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s621365690
p00011
C++
#include<iostream> #include"Header.h" using namespace std; #define size_n 4 #define size_num 30 int main(){ int swap_times; int num_length; char n[size_n]={'\0'}; int num[size_num] = {0}; int temp; cin >> num_length; cin >> swap_times; for(int i=1;i <= num_length;i++){ num[i] = i; } for(int i=1;i<=swap_times;i++){ cin >> n; temp = num[(int)n[0]-(int)'0']; num[(int)n[0]-(int)'0'] = num[(int)n[2]-(int)'0']; num[(int)n[2]-(int)'0'] = temp; //データの初期化 for(int i=0;i<size_n;i++){ n[i] = '\0'; } } for(int i=1;i<=num_length;i++){ cout << num[i] << endl; } return 0; }
a.cc:2:9: fatal error: Header.h: No such file or directory 2 | #include"Header.h" | ^~~~~~~~~~ compilation terminated.
s138261353
p00011
C++
#include<iostream> #include<stdio.h> using namespace std; int main(){ int w, n; int a[30], b[30]; int now[30]; int x, y; cin >> w; cin >> n; for (int i = 0; i < n; i++){ scanf_s("%d,%d", &x, &y); a[i] = x; b[i] = y; } for (int j = 0; j < n; j++){ for (int i = 0; i < w; i++){ if (now[i] == a[j]){ now[i] = b[j]; now[b[j]] = a[j]; break; } } } for (int i = 0; i < n; i++){ printf("%d\n", now[i]); } return 0; }
a.cc: In function 'int main()': a.cc:16:17: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'? 16 | scanf_s("%d,%d", &x, &y); | ^~~~~~~ | scanf
s030180220
p00011
C++
#include <iostream> #include<cstdio> using namespace std; int main (){ int w,N,d[30],sub; int a,b; cin>>w>>N; for(int j=1;j<=w;j++){ d[j]=j; } for(int i=0;i<N;i++){ scanf("%d,%d",&a,&b); sub=d[b]; d[b]=c[a]; c[a]=sub; } for(int k=1;k<=w;k++){ cout<<d[k]<<endl; } return 0; }
a.cc: In function 'int main()': a.cc:15:22: error: 'c' was not declared in this scope 15 | d[b]=c[a]; | ^
s183177010
p00011
C++
#include <iostream> #include<cstdio> using namespace std; int main (){ int w,N,d[31],sub; int a,b; cin>>w>>N; for(int j=1;j<=w;j++){ d[j]=j; } for(int i=0;i<N;i++){ scanf("%d,%d",&a,&b); sub=d[b]; d[b]=d[a]; c[a]=sub; } for(int k=1;k<=w;k++){ cout<<d[k]<<endl; } return 0; }
a.cc: In function 'int main()': a.cc:16:17: error: 'c' was not declared in this scope 16 | c[a]=sub; | ^
s550371382
p00011
C++
#include <iostream> #include <vector> #include <algorithm> using namespace std; int main() { int w, n; cin >> w >> n; vector<int> v(w); iota(v.begin(), v.end(), 1); int a, b; char c; for (int i=0; i<n; ++i) { cin >> a >> c >> b; swap(v[a - 1], v[b - 1]); } for (int i=0; i<w; ++i) { cout << v[i] << endl; } return 0; }
a.cc: In function 'int main()': a.cc:12:5: error: 'iota' was not declared in this scope 12 | iota(v.begin(), v.end(), 1); | ^~~~
s548811157
p00011
C++
import java.util.Scanner; public class Main{ private static void change(int data[],int f,int s){ int temp = data[f-1]; data[f-1] = data[s-1]; data[s-1] = temp; } public static void main(String[] args) { Scanner scan = new Scanner(System.in); int w = scan.nextInt(); int n = scan.nextInt(); int[] data = new int[w]; for(int i=0;i<w;i++){ data[i]=i+1; } int first =0; int second =0; scan.useDelimiter(","); for(int i=0;i<n;i++){ first = scan.nextInt(); second = scan.nextInt(); change(data,first,second); } for(int i=0;i<=n;i++) System.out.println(data[i]); } }
a.cc:1:1: error: 'import' does not name a type 1 | import java.util.Scanner; | ^~~~~~ a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:2:1: error: expected unqualified-id before 'public' 2 | public class Main{ | ^~~~~~
s185883634
p00012
Java
public class Main { void run() { Scanner sc = new Scanner(System.in); while (sc.hasNext()) { double x1 = sc.nextDouble(); double y1 = sc.nextDouble(); double x2 = sc.nextDouble(); double y2 = sc.nextDouble(); double x3 = sc.nextDouble(); double y3 = sc.nextDouble(); double xp = sc.nextDouble(); double yp = sc.nextDouble(); // 三角形ABCの面積 double s = TriangleArea(x3 - x1, y3 - y1, x2 - x1, y2 - x1); double s1 = TriangleArea(xp - x1, yp - y1, x2 - x1, y2 - x1); double s2 = TriangleArea(xp - x1, yp - y1, x3 - x1, y3 - x1); double s3 = TriangleArea(xp - x2, yp - y2, x3 - x2, y3 - y2); // System.out.println((xp - x2) + " " + (yp - y2) + " " + (x3 - x2) // + " " + (y3 - x2)); if (s == s1 + s2 + s3) { System.out.println("YES"); } else { System.out.println("NO"); } } sc.close(); } double TriangleArea(double x1, double y1, double x2, double y2) { double s = ((x1 * y2) - (x2 * y1)) / 2; if (s <= 0) { s *= -1; } return s; } public static void main(String[] args) { new Main().run(); } }
Main.java:6: error: cannot find symbol Scanner sc = new Scanner(System.in); ^ symbol: class Scanner location: class Main Main.java:6: error: cannot find symbol Scanner sc = new Scanner(System.in); ^ symbol: class Scanner location: class Main 2 errors
s528811182
p00012
Java
import java.util.*; public class main { private static Scanner sc=new Scanner(System.in); static int x1,x2,x3,y1,y2,y3,xp,yp; public static void main(String[] args) { while(sc.hasNextInt()){ int xm[ ]=new int[3]; int ym[]=new int[3]; for (int i = 0; i < 3; i++) { xm[i]=sc.nextInt(); ym[i]=sc.nextInt(); } xp=sc.nextInt();yp=sc.nextInt(); Arrays.sort(xm); Arrays.sort(ym); if(xm[0]<xp){ if(xm[3]>xp){ if(ym[0]<yp){ if(ym[3]<yp){ System.out.println("Yes"); }else{mm();} }else{mm();} }else{mm();} }else{mm();} } } private static void mm(){ System.out.println("No"); } }
Main.java:2: error: class main is public, should be declared in a file named main.java public class main { ^ 1 error
s336566048
p00012
Java
import java.util.Arrays; import java.util.Scanner; public class main2 { private static Scanner sc=new Scanner(System.in); static double xp,yp; public static void main(String[] args) { while(sc.hasNextDouble()){ double xm[]=new double[3]; double ym[]=new double [3]; for (int i = 0; i < 3; i++) { xm[i]=sc.nextDouble(); ym[i]=sc.nextDouble(); } xp=sc.nextDouble();yp=sc.nextDouble(); Arrays.sort(xm); Arrays.sort(ym); for (int i = 0; i < 3; i++) { if(xm[i]==xp&&ym[i]==yp) break; } if(xm[0]<xp&&xm[2]>xp&&ym[0]<yp&&ym[2]>yp){ System.out.println("Yes"); }else{mm();} } } private static void mm(){ System.out.println("No"); } }
Main.java:3: error: class main2 is public, should be declared in a file named main2.java public class main2 { ^ 1 error
s956400351
p00012
Java
import java.util.Arrays; import java.util.*; public class main { private static Scanner sc=new Scanner(System.in); static double xp,yp; public static void main(String[] args) { while(sc.hasNextDouble()){ double xm[]=new double[3]; double ym[]=new double [3]; for (int i = 0; i < 3; i++) { xm[i]=sc.nextDouble(); ym[i]=sc.nextDouble(); } xp=sc.nextDouble();yp=sc.nextDouble(); Arrays.sort(xm); Arrays.sort(ym); for (int i = 0; i < 3; i++) { if(xm[i]==xp&&ym[i]==yp) break; } if(xm[0]<xp&&xm[2]>xp&&ym[0]<yp&&ym[2]>yp){ System.out.println("Yes"); }else{mm();} } } private static void mm(){ System.out.println("No"); } }
Main.java:3: error: class main is public, should be declared in a file named main.java public class main { ^ 1 error
s819310742
p00012
Java
import java.util.Arrays; import java.util.*; public class main { private static Scanner sc=new Scanner(System.in); static double xp,yp; public static void main(final String[] args) { while(sc.hasNextDouble()){ double xm[]=new double[3]; double ym[]=new double [3]; for (int i = 0; i < 3; i++) { xm[i]=sc.nextDouble(); ym[i]=sc.nextDouble(); } xp=sc.nextDouble();yp=sc.nextDouble(); Arrays.sort(xm); Arrays.sort(ym); for (int i = 0; i < 3; i++) { if(xm[i]==xp&&ym[i]==yp) break; } if(xm[0]<xp&&xm[2]>xp&&ym[0]<yp&&ym[2]>yp){ System.out.println("Yes"); }else{mm();} } } private static void mm(){ System.out.println("No"); } }
Main.java:3: error: class main is public, should be declared in a file named main.java public class main { ^ 1 error
s906576001
p00012
Java
import java.util.Arrays; import java.util.*; public class main { private static Scanner sc=new Scanner(System.in); static double xp,yp; public static void main(final String[] args) { while(sc.hasNextDouble()){ double xm[]=new double[3]; double ym[]=new double [3]; for (int i = 0; i < 3; i++) { xm[i]=sc.nextDouble(); ym[i]=sc.nextDouble(); } xp=sc.nextDouble();yp=sc.nextDouble(); Arrays.sort(xm); Arrays.sort(ym); for (int i = 0; i < 3; i++) { if(xm[i]==xp&&ym[i]==yp) break; } if(xm[0]<xp&&xm[2]>xp&&ym[0]<yp&&ym[2]>yp){ System.out.println("Yes"); }else{mm();} } } private static void mm(){ System.out.println("No"); } }
Main.java:3: error: class main is public, should be declared in a file named main.java public class main { ^ 1 error
s801012657
p00012
Java
import java.io.IOException; import java.util.Scanner; public class Main { static double cross(double x1, double x2, double y1, double y2, double xp, double yp){ return (x2-x1) * (yp-y2) - (y2-y1) * (xp-x2); public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); while (sc.hasNext()){ final double x1 = sc.nextDouble(); final double y1 = sc.nextDouble(); final double x2 = sc.nextDouble(); final double y2 = sc.nextDouble(); final double x3 = sc.nextDouble(); final double y3 = sc.nextDouble(); final double xp = sc.nextDouble(); final double yp = sc.nextDouble(); double c1 = cross(x1, x2, y1, y2, xp, yp); double c2 = cross(x2, x3, y2, y3, xp, yp); double c3 = cross(x3, x1, y3, y1, xp, yp); /* double c1 = (x2-x1) * (yp-y2) - (y2-y1) * (xp-x2); double c2 = (x3-x2) * (yp-y3) - (y3-y2) * (xp-x3); double c3 = (x1-x3) * (yp-y1) - (y1-y3) * (xp-x1); */ if ((c1 > 0&& c2 > 0 && c3 > 0)||(c1 < 0 && c2 < 0 && c3 < 0)){ System.out.println("YES"); }else{ System.out.println("NO"); } } } }
Main.java:8: error: illegal start of expression public static void main(String[] args) throws IOException { ^ 1 error
s656582584
p00012
Java
import java.util.Scanner; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); while(sc.hasNextDouble()){ double x1 = sc.nextDouble(); double y1 = sc.nextDouble(); double x2 = sc.nextDouble(); double y2 = sc.nextDouble(); double x3 = sc.nextDouble(); double y3 = sc.nextDouble(); double xp = sc.nextDouble(); double yp = sc.nextDouble(); Point p1 = new Point(x1, y1); Point p2 = new Point(x2, y2); Point p3 = new Point(x3, y3); Point pp = new Point(xp, yp); Triangle t = new Triangle(p1, p2, p3); if(t.isInThisTriangle(pp)) System.out.println("YES"); else System.out.println("NO"); } sc.close(); } } class Line{ double p; double q; double r; /** * ??´???px+qy=r?????????????????? * * @param p * @param q * @param r */ Line(double p, double q, double r){ this.p = p; this.q = q; this.r = r; } public Line(Point p1, Point p2){ this(p1.getX() - p2.getX(), p1.getY() - p2.getY(), (p1.getX() == p2 .getX()) ? (p1.getY() - (p1.getY() - p2.getY()) / (p1.getX() - p2.getX()) * p1.getX()): 0); } /** * ????????´???????????????2????????????????????´???????????????????????????????????? * * @param x * @param y * @return 2???x, y???????????´???????????°true */ boolean isTheSameSide(Point x, Point y){ double result = this.calcPX_QY(x.getX(), x.getY()) * this.calcPX_QY(y.getX(), y.getY()); return (result > 0) ? true: false; } /** * ???????????????x, y????????????px+qy????¨????????????? * * @param x * @param y * @return */ double calcPX_QY(double x, double y){ return x * p + y * q; } } class Triangle{ Point p1; Point p2; Point p3; Triangle(Point p1, Point p2, Point p3){ this.p1 = p1; this.p2 = p2; this.p3 = p3; } Point getCenter(){ return new Point((p1.getX() + p2.getX() + p3.getX()) / 3, (p1.getY() + p2.getY() + p3.getY()) / 3); } boolean isInThisTriangle(Point p) { Line l12 = new Line(p1, p2); Line l23 = new Line(p2, p3); Line l31 = new Line(p3, p1); Point center = this.getCenter(); return l12.isTheSameSide(p, center) && l23.isTheSameSide(p, center) && l31.isTheSameSide(p, center); } }
Main.java:51: error: cannot find symbol public Line(Point p1, Point p2){ ^ symbol: class Point location: class Line Main.java:51: error: cannot find symbol public Line(Point p1, Point p2){ ^ symbol: class Point location: class Line Main.java:64: error: cannot find symbol boolean isTheSameSide(Point x, Point y){ ^ symbol: class Point location: class Line Main.java:64: error: cannot find symbol boolean isTheSameSide(Point x, Point y){ ^ symbol: class Point location: class Line Main.java:84: error: cannot find symbol Point p1; ^ symbol: class Point location: class Triangle Main.java:85: error: cannot find symbol Point p2; ^ symbol: class Point location: class Triangle Main.java:86: error: cannot find symbol Point p3; ^ symbol: class Point location: class Triangle Main.java:88: error: cannot find symbol Triangle(Point p1, Point p2, Point p3){ ^ symbol: class Point location: class Triangle Main.java:88: error: cannot find symbol Triangle(Point p1, Point p2, Point p3){ ^ symbol: class Point location: class Triangle Main.java:88: error: cannot find symbol Triangle(Point p1, Point p2, Point p3){ ^ symbol: class Point location: class Triangle Main.java:94: error: cannot find symbol Point getCenter(){ ^ symbol: class Point location: class Triangle Main.java:99: error: cannot find symbol boolean isInThisTriangle(Point p) { ^ symbol: class Point location: class Triangle Main.java:17: error: cannot find symbol Point p1 = new Point(x1, y1); ^ symbol: class Point location: class Main Main.java:17: error: cannot find symbol Point p1 = new Point(x1, y1); ^ symbol: class Point location: class Main Main.java:18: error: cannot find symbol Point p2 = new Point(x2, y2); ^ symbol: class Point location: class Main Main.java:18: error: cannot find symbol Point p2 = new Point(x2, y2); ^ symbol: class Point location: class Main Main.java:19: error: cannot find symbol Point p3 = new Point(x3, y3); ^ symbol: class Point location: class Main Main.java:19: error: cannot find symbol Point p3 = new Point(x3, y3); ^ symbol: class Point location: class Main Main.java:20: error: cannot find symbol Point pp = new Point(xp, yp); ^ symbol: class Point location: class Main Main.java:20: error: cannot find symbol Point pp = new Point(xp, yp); ^ symbol: class Point location: class Main Main.java:95: error: cannot find symbol return new Point((p1.getX() + p2.getX() + p3.getX()) / 3, (p1.getY() ^ symbol: class Point location: class Triangle Main.java:103: error: cannot find symbol Point center = this.getCenter(); ^ symbol: class Point location: class Triangle 22 errors
s629413713
p00012
Java
import java.util.Scanner; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); while(sc.hasNextDouble()){ double x1 = sc.nextDouble(); double y1 = sc.nextDouble(); double x2 = sc.nextDouble(); double y2 = sc.nextDouble(); double x3 = sc.nextDouble(); double y3 = sc.nextDouble(); double xp = sc.nextDouble(); double yp = sc.nextDouble(); Point p1 = new Point(x1, y1); Point p2 = new Point(x2, y2); Point p3 = new Point(x3, y3); Point pp = new Point(xp, yp); Triangle t = new Triangle(p1, p2, p3); if(t.isInThisTriangle(pp)) System.out.println("YES"); else System.out.println("NO"); } sc.close(); } } class Line{ double p; double q; double r; /** * ??´???px+qy=r?????????????????? * * @param p * @param q * @param r */ Line(double p, double q, double r){ this.p = p; this.q = q; this.r = r; } public Line(Point p1, Point p2){ if(p1.getX() != p2.getX()) { this.p = -(p1.getY()-p2.getY())/(p1.getX()-p2.getX()); this.q = 1; this.r = p1.getX()* this.p +p1.getY(); }else { if(p1.getY() != p2.getY()) { this.p = 1; this.q = 0; this.r = 0; }else { this.p = 1; this.q = 1; this.r = 1; } } } /** * ????????´???????????????2????????????????????´???????????????????????????????????? * * @param x * @param y * @return 2???x, y???????????´???????????°true */ boolean isTheSameSide(Point x, Point y){ double result = (this.calcPX_QY(x.getX(), x.getY()) - this.r) * (this.calcPX_QY(y.getX(), y.getY()) - this.r); return (result > 0) ? true: false; } /** * ???????????????x, y????????????px+qy????¨????????????? * * @param x * @param y * @return */ double calcPX_QY(double x, double y){ return x * p + y * q; } } class Triangle{ Point p1; Point p2; Point p3; Triangle(Point p1, Point p2, Point p3){ this.p1 = p1; this.p2 = p2; this.p3 = p3; } Point getCenter(){ return new Point((p1.getX() + p2.getX() + p3.getX()) / 3, (p1.getY() + p2.getY() + p3.getY()) / 3); } boolean isInThisTriangle(Point p) { Line l12 = new Line(p1, p2); Line l23 = new Line(p2, p3); Line l31 = new Line(p3, p1); Point center = this.getCenter(); return l12.isTheSameSide(p, center) && l23.isTheSameSide(p, center) && l31.isTheSameSide(p, center); } } class Point{ private double x; private double y; public double getX(){ return this.x; } public double getY(){ return this.y; } public Point(double d, double e){ this.x = d; this.y = e; }
Main.java:138: error: reached end of file while parsing } ^ 1 error
s226227919
p00012
Java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigDecimal; public class Main { public static void main(String[] args) { print(); } public static void print() { try { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String str = br.readLine(); while (str != null) { String[] dataSet = str.split(" ", 0); BigDecimal x1 = new BigDecimal(dataSet[0]).setScale(1); BigDecimal y1 = new BigDecimal(dataSet[1]).setScale(1); BigDecimal x2 = new BigDecimal(dataSet[2]).setScale(1); BigDecimal y2 = new BigDecimal(dataSet[3]).setScale(1); BigDecimal x3 = new BigDecimal(dataSet[4]).setScale(1); BigDecimal y3 = new BigDecimal(dataSet[5]).setScale(1); BigDecimal x = new BigDecimal(dataSet[6]).setScale(1); BigDecimal y = new BigDecimal(dataSet[7]).setScale(1); BigDecimal xMax = x1.max(x2.max(x3)); BigDecimal xMin = x1.min(x2.max(x3)); BigDecimal yMax = y1.max(y2.max(y3)); BigDecimal yMin = y1.min(y2.max(y3)); if (x.compareTo(xMax) < 0 && x.compareTo(xMin) > 0 && y.compareTo(yMax) < 0 && y.compareTo(yMin) > 0) { System.out.print("YES" + "\n"); } else { System.out.print("NO" + "\n"); } str = br.readLine(); } } catch (IOException e) { e.printStackTrace(); } }
Main.java:44: error: reached end of file while parsing } ^ 1 error
s467504449
p00012
Java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigDecimal; public class AOJ0012 { public static void main(String[] args) throws IOException { //input BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String str; while ((str = br.readLine()) != null) { //Get point String[] num = str.split(" ", 0); point O = new point(num[0], num[1]); point A = new point(num[2], num[3]); point B = new point(num[4], num[5]); point P = new point(num[6], num[7]); //Get vector vector OA = new vector(O, A); vector OB = new vector(O, B); vector OP = new vector(O, P); //Calculation of coefficient BigDecimal XaYb = new BigDecimal(OA.vx.multiply(OB.vy).toPlainString()); BigDecimal XbYa = new BigDecimal(OA.vy.multiply(OB.vx).toPlainString()); BigDecimal XaPy = new BigDecimal(OA.vx.multiply(OP.vy).toPlainString()); BigDecimal XbPy = new BigDecimal(OB.vx.multiply(OP.vy).toPlainString()); BigDecimal YaPx = new BigDecimal(OA.vy.multiply(OP.vx).toPlainString()); BigDecimal YbPx = new BigDecimal(OB.vy.multiply(OP.vx).toPlainString()); BigDecimal temp_s = new BigDecimal(YbPx.subtract(XbPy).toPlainString()); BigDecimal temp_t = new BigDecimal(XaPy.subtract(YaPx).toPlainString()); BigDecimal XaYb_YaXb = new BigDecimal(XaYb.subtract(XbYa).toPlainString()); BigDecimal co_S = new BigDecimal(temp_s.toPlainString()); co_S = co_S.divide(XaYb_YaXb, 3, BigDecimal.ROUND_HALF_UP); BigDecimal co_T = new BigDecimal(temp_t.toPlainString()); co_T = co_T.divide(XaYb_YaXb, 3, BigDecimal.ROUND_HALF_UP); BigDecimal total = new BigDecimal(co_S.add(co_T).toPlainString()); if ((co_S.compareTo(BigDecimal.ZERO) >= 0) && (co_T.compareTo(BigDecimal.ZERO) >= 0)) { if ((total.compareTo(BigDecimal.ZERO) >= 0) && (total.compareTo(BigDecimal.ONE) <= 0)) { System.out.println("YES"); } else { System.out.println("NO"); } } else { System.out.println("NO"); } } } } //Definition of point class point { BigDecimal x; BigDecimal y; public point (String a, String b) { this.x = new BigDecimal(a); this.y = new BigDecimal(b); } public point (BigDecimal a, BigDecimal b) { this.x = new BigDecimal(a.toPlainString()); this.y = new BigDecimal(b.toPlainString()); } } //Definition of vector class vector { BigDecimal vx; BigDecimal vy; public vector (point a, point b) { this.vx = new BigDecimal(b.x.toPlainString()); vx = vx.subtract(a.x); this.vy = new BigDecimal(b.y.toPlainString()); vy = vy.subtract(a.y); } public vector (BigDecimal p, BigDecimal q) { this.vx = new BigDecimal(p.toPlainString()); this.vy = new BigDecimal(q.toPlainString()); } }
Main.java:6: error: class AOJ0012 is public, should be declared in a file named AOJ0012.java public class AOJ0012 { ^ Note: Main.java uses or overrides a deprecated API. Note: Recompile with -Xlint:deprecation for details. 1 error
s470365137
p00012
Java
import java.util.Scanner; import static java.lang.Math.*; class Main { public static void main (String args[]) { Scanner scan = new Scanner(System.in); double[] p = new double[6]; double[] S = new double[4]; while (scan.hasNext()) { for (int i=0; i<6; i++) { p[i] = scan.nextDouble(); } double xp = scan.nextDouble(); double yp = scan.nextDouble(); double a, b, c, s; for (int i=0; i<6; i+=2) { if (i == 4) { a = sqrt(pow(p[0]-p[4], 2) + pow(p[1]-p[5], 2)); b = sqrt(pow(xp-p[4], 2) + pow(yp-p[5], 2)); c = sqrt(pow(xp-p[0], 2) + pow(yp-p[1], 2)); } else { a = sqrt(pow(p[i+2]-p[i], 2) + pow(p[i+3]-p[i+1], 2)); b = sqrt(pow(xp-p[i], 2) + pow(yp-p[i+1], 2)); c = sqrt(pow(xp-p[i+2], 2) + pow(yp-p[i+3], 2)); } s = (a+b+c) / 2.0; S[i/2] = (sqrt(s*(s-a)*(s-b)*(s-c))); } a = sqrt(pow(p[2]-p[0], 2) + pow(p[3]-p[1], 2)); b = sqrt(pow(p[4]-p[2], 2) + pow(p[5]-p[3], 2)); c = sqrt(pow(p[0]-p[4], 2) + pow(p[1]-p[5], 2)); s = (a+b+c) / 2.0; S[3] = (sqrt(s*(s-a)*(s-b)*(s-c))); double S = round(S[0] + S[1] + S[2]); S[3] = round(S[3]); if (S == S[3]) { System.out.println("YES"); } else { System.out.println("NO"); } } } }
Main.java:41: error: variable S is already defined in method main(String[]) double S = round(S[0] + S[1] + S[2]); ^ Main.java:41: error: array required, but double found double S = round(S[0] + S[1] + S[2]); ^ Main.java:41: error: array required, but double found double S = round(S[0] + S[1] + S[2]); ^ Main.java:41: error: array required, but double found double S = round(S[0] + S[1] + S[2]); ^ Main.java:42: error: array required, but double found S[3] = round(S[3]); ^ Main.java:42: error: array required, but double found S[3] = round(S[3]); ^ Main.java:44: error: array required, but double found if (S == S[3]) { ^ 7 errors
s464998906
p00012
Java
import java.io.BufferedRender; import java.io.IOException; import java.io.InputStreamRender; public class main{ public static void main(String[] args) throws IOException{ BufferedRender br = new BufferRender(new InputStreamReader(System.in)); String str = br.readLine(); Boolean isNull = str.equals(""); while(!isNull){ String[] datas = str.split(" ",8); double x1 = Double.parseDouble(datas[0]); double y1 = Double.parseDouble(datas[1]); double x2 = Double.parseDouble(datas[2]); double y2 = Double.parseDouble(datas[3]); double x3 = Double.parseDouble(datas[4]); double y3 = Double.parseDouble(datas[5]); double xp = Double.parseDouble(datas[6]); double yp = Double.parseDouble(datas[7]); double x = xp-x1; double y = yp-y1; double p = x2-x1; double q = y2-y1; double r = x3-x1; double u = y3-y1; double[] coefficient = Simultaneous(p,r,x,q,u,y); double s = coefficient[0]; double t = coefficient[1]; if(s<0||t<0){ System.out.println("NO"); }else if(s+t>0 && s+t<1){ System.out.println("YES"); }else{ System.out.println("NO"); } str = br.readLine(); isNull = str.equals(""); } } private static double[] Simultaneous(double a,double b,double c,double d,double e,double f){ double x = (double) (e*c-b*f)/(a*e-b*d); double y = (double) (a*f-c*d)/(a*e-b*d); double[] answer = {x,y}; return answer; } }
Main.java:5: error: class main is public, should be declared in a file named main.java public class main{ ^ Main.java:1: error: cannot find symbol import java.io.BufferedRender; ^ symbol: class BufferedRender location: package java.io Main.java:3: error: cannot find symbol import java.io.InputStreamRender; ^ symbol: class InputStreamRender location: package java.io Main.java:7: error: cannot find symbol BufferedRender br = new BufferRender(new InputStreamReader(System.in)); ^ symbol: class BufferedRender location: class main Main.java:7: error: cannot find symbol BufferedRender br = new BufferRender(new InputStreamReader(System.in)); ^ symbol: class BufferRender location: class main Main.java:7: error: cannot find symbol BufferedRender br = new BufferRender(new InputStreamReader(System.in)); ^ symbol: class InputStreamReader location: class main 6 errors
s504038994
p00012
Java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class main{ public static void main(String[] args) throws IOException{ BufferedRender br = new BufferRender(new InputStreamReader(System.in)); String str = br.readLine(); Boolean isNull = str.equals(""); while(!isNull){ String[] datas = str.split(" ",8); double x1 = Double.parseDouble(datas[0]); double y1 = Double.parseDouble(datas[1]); double x2 = Double.parseDouble(datas[2]); double y2 = Double.parseDouble(datas[3]); double x3 = Double.parseDouble(datas[4]); double y3 = Double.parseDouble(datas[5]); double xp = Double.parseDouble(datas[6]); double yp = Double.parseDouble(datas[7]); double x = xp-x1; double y = yp-y1; double p = x2-x1; double q = y2-y1; double r = x3-x1; double u = y3-y1; double[] coefficient = Simultaneous(p,r,x,q,u,y); double s = coefficient[0]; double t = coefficient[1]; if(s<0||t<0){ System.out.println("NO"); }else if(s+t>0 && s+t<1){ System.out.println("YES"); }else{ System.out.println("NO"); } str = br.readLine(); isNull = str.equals(""); } } private static double[] Simultaneous(double a,double b,double c,double d,double e,double f){ double x = (double) (e*c-b*f)/(a*e-b*d); double y = (double) (a*f-c*d)/(a*e-b*d); double[] answer = {x,y}; return answer; } }
Main.java:5: error: class main is public, should be declared in a file named main.java public class main{ ^ Main.java:7: error: cannot find symbol BufferedRender br = new BufferRender(new InputStreamReader(System.in)); ^ symbol: class BufferedRender location: class main Main.java:7: error: cannot find symbol BufferedRender br = new BufferRender(new InputStreamReader(System.in)); ^ symbol: class BufferRender location: class main 3 errors
s359331633
p00012
Java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class main{ public static void main(String[] args) throws IOException{ BufferedReader br = new BufferReader(new InputStreamReader(System.in)); String str = br.readLine(); Boolean isNull = str.equals(""); while(!isNull){ String[] datas = str.split(" ",8); double x1 = Double.parseDouble(datas[0]); double y1 = Double.parseDouble(datas[1]); double x2 = Double.parseDouble(datas[2]); double y2 = Double.parseDouble(datas[3]); double x3 = Double.parseDouble(datas[4]); double y3 = Double.parseDouble(datas[5]); double xp = Double.parseDouble(datas[6]); double yp = Double.parseDouble(datas[7]); double x = xp-x1; double y = yp-y1; double p = x2-x1; double q = y2-y1; double r = x3-x1; double u = y3-y1; double[] coefficient = Simultaneous(p,r,x,q,u,y); double s = coefficient[0]; double t = coefficient[1]; if(s<0||t<0){ System.out.println("NO"); }else if(s+t>0 && s+t<1){ System.out.println("YES"); }else{ System.out.println("NO"); } str = br.readLine(); isNull = str.equals(""); } } private static double[] Simultaneous(double a,double b,double c,double d,double e,double f){ double x = (double) (e*c-b*f)/(a*e-b*d); double y = (double) (a*f-c*d)/(a*e-b*d); double[] answer = {x,y}; return answer; } }
Main.java:5: error: class main is public, should be declared in a file named main.java public class main{ ^ Main.java:7: error: cannot find symbol BufferedReader br = new BufferReader(new InputStreamReader(System.in)); ^ symbol: class BufferReader location: class main 2 errors
s503623453
p00012
Java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class main{ public static void main(String[] args) throws IOException{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String str = br.readLine(); Boolean isNull = str.equals(""); while(!isNull){ String[] datas = str.split(" ",8); double x1 = Double.parseDouble(datas[0]); double y1 = Double.parseDouble(datas[1]); double x2 = Double.parseDouble(datas[2]); double y2 = Double.parseDouble(datas[3]); double x3 = Double.parseDouble(datas[4]); double y3 = Double.parseDouble(datas[5]); double xp = Double.parseDouble(datas[6]); double yp = Double.parseDouble(datas[7]); double x = xp-x1; double y = yp-y1; double p = x2-x1; double q = y2-y1; double r = x3-x1; double u = y3-y1; double[] coefficient = Simultaneous(p,r,x,q,u,y); double s = coefficient[0]; double t = coefficient[1]; if(s<0||t<0){ System.out.println("NO"); }else if(s+t>0 && s+t<1){ System.out.println("YES"); }else{ System.out.println("NO"); } str = br.readLine(); isNull = str.equals(""); } } private static double[] Simultaneous(double a,double b,double c,double d,double e,double f){ double x = (double) (e*c-b*f)/(a*e-b*d); double y = (double) (a*f-c*d)/(a*e-b*d); double[] answer = {x,y}; return answer; } }
Main.java:5: error: class main is public, should be declared in a file named main.java public class main{ ^ 1 error
s804040510
p00012
Java
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class APointInATriangle { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String str = br.readLine(); Boolean isNull = str==null; while (!isNull) { String[] datas = str.split(" ", 8); double x1 = Double.parseDouble(datas[0]); double y1 = Double.parseDouble(datas[1]); double x2 = Double.parseDouble(datas[2]); double y2 = Double.parseDouble(datas[3]); double x3 = Double.parseDouble(datas[4]); double y3 = Double.parseDouble(datas[5]); double xp = Double.parseDouble(datas[6]); double yp = Double.parseDouble(datas[7]); double x = xp - x1; double y = yp - y1; double p = x2 - x1; double q = y2 - y1; double r = x3 - x1; double u = y3 - y1; double[] coefficient = Simultaneous(p, r, x, q, u, y); double s = coefficient[0]; double t = coefficient[1]; if (s < 0 || t < 0) { System.out.println("NO"); } else if (s + t > 0 && s + t < 1) { System.out.println("YES"); } else { System.out.println("NO"); } str = br.readLine(); isNull = str==null; } } private static double[] Simultaneous(double a, double b, double c, double d, double e, double f) { double x = (double) (e * c - b * f) / (a * e - b * d); double y = (double) (a * f - c * d) / (a * e - b * d); double[] answer = { x, y }; return answer; } }
Main.java:5: error: class APointInATriangle is public, should be declared in a file named APointInATriangle.java public class APointInATriangle { ^ 1 error
s045577024
p00012
Java
import java.util.*; public class Main{ private static final Scanner scan = new Scanner(System.in); public static void main(String[] args){ List<String> list = new ArrayList<String>(); while(scan.hasNext()){ x1 = scan.nextDouble(); y1 = scan.nextDouble(); x2 = scan.nextDouble(); y2 = scan.nextDouble(); x3 = scan.nextDouble(); y3 = scan.nextDouble(); xp = scan.nextDouble(); yp = scan.nextDouble(); double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); if(S_abc == S_pab + S_pac + S_pbc){ list.add("YES"); } else{ list.add("NO"); } } for(String s : list){ System.out.printf("%s\n", s); } } }
Main.java:9: error: cannot find symbol x1 = scan.nextDouble(); ^ symbol: variable x1 location: class Main Main.java:10: error: cannot find symbol y1 = scan.nextDouble(); ^ symbol: variable y1 location: class Main Main.java:11: error: cannot find symbol x2 = scan.nextDouble(); ^ symbol: variable x2 location: class Main Main.java:12: error: cannot find symbol y2 = scan.nextDouble(); ^ symbol: variable y2 location: class Main Main.java:13: error: cannot find symbol x3 = scan.nextDouble(); ^ symbol: variable x3 location: class Main Main.java:14: error: cannot find symbol y3 = scan.nextDouble(); ^ symbol: variable y3 location: class Main Main.java:15: error: cannot find symbol xp = scan.nextDouble(); ^ symbol: variable xp location: class Main Main.java:16: error: cannot find symbol yp = scan.nextDouble(); ^ symbol: variable yp location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable x1 location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable xp location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable y2 location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable yp location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable x2 location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable xp location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable y1 location: class Main Main.java:17: error: cannot find symbol double S_pab = Math.abs((x1 - xp) * (y2 - yp) - (x2 - xp) * (y1 - yp)); ^ symbol: variable yp location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable x1 location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable xp location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable y3 location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable yp location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable x3 location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable xp location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable y1 location: class Main Main.java:18: error: cannot find symbol double S_pac = Math.abs((x1 - xp) * (y3 - yp) - (x3 - xp) * (y1 - yp)); ^ symbol: variable yp location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable x2 location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable xp location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable y3 location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable yp location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable x3 location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable xp location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable y2 location: class Main Main.java:19: error: cannot find symbol double S_pbc = Math.abs((x2 - xp) * (y3 - yp) - (x3 - xp) * (y2 - yp)); ^ symbol: variable yp location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable x3 location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable x1 location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable y2 location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable y1 location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable x2 location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable x1 location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable y3 location: class Main Main.java:20: error: cannot find symbol double S_abc = Math.abs((x3 - x1) * (y2 - y1) - (x2 - x1) * (y3 - y1)); ^ symbol: variable y1 location: class Main 40 errors
s791489042
p00012
Java
import java.util.*; public class Main{ private static final Scanner scan = new Scanner(System.in); public static void main(String[] args){ while(scan.hasNext()){ double x1 = scan.nextDouble(); double y1 = scan.nextDouble(); double x2 = scan.nextDouble(); double y2 = scan.nextDouble(); double x3 = scan.nextDouble(); double y3 = scan.nextDouble(); double xp = scan.nextDouble(); double yp = scan.nextDouble(); double S_abc = 1.0 / 2.0 * Math.abs(x1*(y2-y3) + x2*(y3-y1) + x3*(y1-y2)); double S_pab = 1.0 / 2.0 * Math.abs(xp*(y1-y2) + x1*(y2-yp) + x2*(yp-y1)); double S_pac = 1.0 / 2.0 * Math.abs(xp*(y1-y3) + x1*(y3-yp) + x3*(yp-y1)); double S_pbc = 1.0 / 2.0 * Math.abs(xp*(y2-y3) + x2*(y3-yp) + x3*(yp-y2)); if(S_abc == S_pab + S_pac + P_pbc){ System.out.println("YES"); } else{ System.out.println("NO"); } } } }
Main.java:25: error: cannot find symbol if(S_abc == S_pab + S_pac + P_pbc){ ^ symbol: variable P_pbc location: class Main 1 error
s560970280
p00012
Java
import java.util.*; public class Main{ private static final Scanner scan = new Scanner(System.in); public static void main(String[] args){ while(scan.hasNext()){ double[] x = new double[3]; double[] y = new double[3]; for(int i = 0; i < 3; i++){ x[i] = scan.nextDouble(); y[i] = scan.nextdouble(); } double xp = scan.nextDouble(); double yp = scan.nextDouble(); for(int i = 0; i < 3; i++){ x[i] = x[i] - xp; y[i] = y[i] - yp; } double[] gaiseki = new double[3]; gaiseki[0] = x[0]*y[1] - y[0]*x[1]; gaiseki[1] = x[1]*y[2] - y[2]*x[1]; gaiseki[2] = x[2]*y[0] - y[2]*x[0]; int plus = 0; int minus = 0; for(int i = 0; i < 3; i++){ if(gaiseki[i] > 0)plus++; if(gaiseki[i] < 0)minus++; } String ans = "NO"; if(plus == 3 || minus == 3)ans = "YES"; System.out.printf("%s\n", ans); } } }
Main.java:12: error: cannot find symbol y[i] = scan.nextdouble(); ^ symbol: method nextdouble() location: variable scan of type Scanner 1 error
s001925355
p00012
Java
import java.util.*; public class V0p012 { Scanner sc; void run() { sc = new Scanner(System.in); Point[] a = new Point [4]; while (sc.hasNext()){ for (int i=0;i<4;i++) { double x = sc.nextDouble(); double y = sc.nextDouble(); a[i] = new Point(x,y); } Line[] l = new Line[3]; Line[] lc = new Line [3]; boolean flg = true; for (int i=0;i<3;i++) { l[i] = new Line(a[i%3], a[(i+1)%3]); lc[i] = new Line(a[(i+2)%3], a[3]); if (l[i].judgeCloss(lc[i])) { flg = false; break; } } if (flg) System.out.println("YES"); else System.out.println("NO"); } } public static void main(String[] args) { new V0p012().run(); } } class Point { private double x; private double y; public Point(double x, double y) { this.x = x; this.y = y; } public double getX(){ return x; } public double getY() { return y; } } class Line { Point a1; Point a2; public Line (Point a, Point b) { a1 = a; a2 = b; } public Point getS() { return a1; } public Point getE() { return a2; } public boolean judgeCloss(Line l) { double a = ( (a1.getY() - l.getS().getY()) * (l.getS().getX() - l.getE().getX() - (l.getS().getY() - l.getE().getY()) * (a1.getX() - l.getS().getX())) ); double b = ( (a2.getY() - l.getS().getY()) * (l.getS().getX() - l.getE().getX() - (l.getS().getY() - l.getE().getY()) * (a2.getX() - l.getS().getX())) ); System.out.println( a + " " + b ); if (a*b >= 0) return false; else return true; } }
Main.java:4: error: class V0p012 is public, should be declared in a file named V0p012.java public class V0p012 { ^ 1 error
s268441081
p00012
Java
import java.util.*; public class Main { Scanner sc = new Scanner(System.in); void run() { while ( sc.hasNext() ) { Point[] p = new Point[4]; for(int i=0;i<4;i++) { p[i] = new Point( sc.nextDouble(),sc.nextDouble() ); } if(!isInner(p[0], p[1], p[2], p[3])) System.out.println("NO"); else System.out.println("YES"); } } boolean isInner(Point a, Point b, Point c, Point p) { if( p.sub(a).mult(b.sub(a)) > 0.0 ) return false; if( p.sub(b).mult(c.sub(b)) > 0.0 ) return false; if( p.sub(c).mult(a.sub(c)) > 0.0 ) return false; return true; } public static void main(String[] args) { new Main.run(); } class Point { double x,y; Point (double x, double y) { this.x = x; this.y = y; } Point sub(Point p) { return new Point(x-p.x, y-p.y); } double mult(Point p) { return x*p.y-y*p.x; } } }
Main.java:26: error: cannot find symbol new Main.run(); ^ symbol: class run location: class Main 1 error
s014429971
p00012
Java
import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; public class Main { public static void main(String[] arg) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String s; while((s=br.readLine())!=null){ double x1 = Double.parseDouble(s.split(" ")[0]); double y1 = Double.parseDouble(s.split(" ")[1]); double x2 = Double.parseDouble(s.split(" ")[2]); double y2 = Double.parseDouble(s.split(" ")[3]); double x3 = Double.parseDouble(s.split(" ")[4]); double y3 = Double.parseDouble(s.split(" ")[5]); double xp = Double.parseDouble(s.split(" ")[6]); double yp = Double.parseDouble(s.split(" ")[7]); if(inTriangle(x1,y1,x2,y2,x3,y3,xp,yp)) System.out.println("YES"); else  System.out.println("NO"); } } private static boolean inTriangle(double x1, double y1, double x2, double y2, double x3, double y3, double xp, double yp) { // equation -> y = [0]x + [1] double[] eq12 = new double[2]; double[] eq13 = new double[2]; double[] eq23 = new double[2]; eq12[0] = (y2-y1) / (x2-x1); eq12[1] = y1 - x1 * eq12[0]; eq13[0] = (y3-y1) / (x3-x1); eq13[1] = y1 - x1 * eq13[0]; eq23[0] = (y3-y2) / (x3-x2); eq23[1] = y2 - x2 * eq23[0]; if(yp > (eq12[0] * xp + eq12[1])) { if(y3 < (eq12[0] * x3 + eq12[1])) return false; } else if(y3 > (eq12[0] * x3 + eq12[1])) return false; if(yp > (eq13[0] * xp + eq13[1])) { if(y2 < (eq13[0] * x2 + eq13[1])) return false; } else if(y2 > (eq13[0] * x2 + eq13[1])) return false; if(yp > (eq23[0] * xp + eq23[1])) { if(y1 < (eq23[0] * x1 + eq23[1])) return false; } else if(y1 > (eq23[0] * x1 + eq23[1])) return false; return true; } }
Main.java:23: error: illegal character: '\u3000' else ?System.out.println("NO"); ^ 1 error
s910772220
p00012
Java
import java.util.Scanner; public class main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); double xa,ya,xb,yb,xc,yc,xp,yp; double abc, abp, bcp, cap; xa = sc.nextDouble(); ya = sc.nextDouble(); xb = sc.nextDouble(); yb = sc.nextDouble(); xc = sc.nextDouble(); yc = sc.nextDouble(); xp = sc.nextDouble(); yp = sc.nextDouble(); abc = calculate_area(xa,ya,xb,yb,xc,yc); abp = calculate_area(xa,ya,xb,yb,xp,yp); bcp = calculate_area(xb,yb,xc,yc,xp,yp); cap = calculate_area(xc,yc,xa,ya,xp,yp); System.out.println(abc +"\n"+ abp +"\n"+ bcp +"\n"+ cap); if(abc-(abp+bcp+cap) == 0){ System.out.println("YES"); } else { System.out.println("NO"); } } static double calculate_area(double x1, double y1, double x2, double y2, double x3, double y3){ double result; result = 0.5 * ((x3-x1)*(y2-y1)-(y3-y1)*(x2-x1)); if(result < 0) result*=-1; return result; } }
Main.java:3: error: class main is public, should be declared in a file named main.java public class main{ ^ 1 error
s647237616
p00012
C
#iclude<stdio.h> int main() { double x1,y1,x2,y2,x3,y3,xp,yp,maxx=0,maxy=0,minx=0,miny=0; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)!=EOF){ { maxx=x1; if(x2>max) maxx=x2; else if(x3>max) maxx=x3; } { minx=x1; if(x2<minx) minx=x2; else if(x3<minx) minx=x3; } { maxy=y1; if(y2>max) maxy=y2; else if(y3>max) maxy=y3; } { miny=y1; if(y2<miny) miny=y2; else if(y3<miny) miny=y3; } if(xp<maxx && xp>minx &&yp<maxy && yp>miny) puts("YES"); else puts("NO"); return 0; }
main.c:1:2: error: invalid preprocessing directive #iclude; did you mean #include? 1 | #iclude<stdio.h> | ^~~~~~ | include main.c: In function 'main': main.c:5:15: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration] 5 | while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)!=EOF){ | ^~~~~ main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf' +++ |+#include <stdio.h> 1 | #iclude<stdio.h> main.c:5:15: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch] 5 | while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)!=EOF){ | ^~~~~ main.c:5:15: note: include '<stdio.h>' or provide a declaration of 'scanf' main.c:5:89: error: 'EOF' undeclared (first use in this function) 5 | while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)!=EOF){ | ^~~ main.c:5:89: note: 'EOF' is defined in header '<stdio.h>'; this is probably fixable by adding '#include <stdio.h>' main.c:5:89: note: each undeclared identifier is reported only once for each function it appears in main.c:8:23: error: 'max' undeclared (first use in this function); did you mean 'maxy'? 8 | if(x2>max) | ^~~ | maxy main.c:38:25: error: implicit declaration of function 'puts' [-Wimplicit-function-declaration] 38 | puts("YES"); | ^~~~ main.c:38:25: note: include '<stdio.h>' or provide a declaration of 'puts' main.c:43:1: error: expected declaration or statement at end of input 43 | } | ^
s866735902
p00012
C
#include <stdio.h> int sign(double x); int main(void) { double x1, y1, x2, y2, x3, y3; double xp, yp; double vec12_x_vec1p, vec23_x_vec2p, vec31_x_vec3p_g3; int judge; while (scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &x1, &y1, &x2, &y2, &x3, &y3, &xp, &yp) != EOF) { vec12_x_vec1p = (x2 - x1) * (yp - y1) - (y2 - y1) * (xp - x1); vec23_x_vec2p = (x3 - x2) * (yp - y2) - (y3 - y2) * (xp - x2); vec31_x_vec3p = (x1 - x3) * (yp - y3) - (y1 - y3) * (xp - x3); judge = sign(vec12_x_vec1p) + sign(vec23_x_vec2p) + sign(vec31_x_vec3p); if (judge == 1 + 1 + 1 || judge == -1 - 1 - 1) { printf("YES\n"); } else { printf("NO\n"); } } return 0; } int sign(double x) { if (x >= 0) { return 1; } else { return -1; } }
main.c: In function 'main': main.c:17:9: error: 'vec31_x_vec3p' undeclared (first use in this function); did you mean 'vec31_x_vec3p_g3'? 17 | vec31_x_vec3p = (x1 - x3) * (yp - y3) - (y1 - y3) * (xp - x3); | ^~~~~~~~~~~~~ | vec31_x_vec3p_g3 main.c:17:9: note: each undeclared identifier is reported only once for each function it appears in
s497198086
p00012
C
#include <stdio.h> int main(void) { double x1,x2,x3,xp,y1,y2,y3,yp,v1,v2,v3; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)!=EOF){ v1=(x2-x1)*(xp-x1)+(y2-y1)*(yp-y1); v2=(x3-x2)*(xp-x2)+(y3-y2)*(yp-y2); v3=(x1-x3)*(xp-x3)+(y1-y3)*(yp-y3); if((v1>0 && v2>0 && v3>0) printf("YES\n"); else if(v1<0 && v2<0 && v3<0) printf("YES\n"); else printf("NO\n"); } return 0; }
main.c: In function 'main': main.c:10:42: error: expected ')' before 'printf' 10 | if((v1>0 && v2>0 && v3>0) printf("YES\n"); | ~ ^~~~~~~ | ) main.c:13:9: error: expected expression before '}' token 13 | } | ^
s751984973
p00012
C
#include <stdio.h> int main(void) { double x1,x2,x3,xp,y1,y2,y3,yp,v1,v2,v3; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)!=EOF){ v1=(x2-x1)*(xp-x1)+(y2-y1)*(yp-y1); v2=(x3-x2)*(xp-x2)+(y3-y2)*(yp-y2); v3=(x1-x3)*(xp-x3)+(y1-y3)*(yp-y3); if(v1>0 && v2>0 && v3>0) printf("YES\n"); else if(v1<0 && v2<0 && v3<0) printf("YES\n"); else if(v1=0 && v2=0 && v3=0) printf("YES\n"); else printf("NO\n"); } return 0; }
main.c: In function 'main': main.c:12:43: error: lvalue required as left operand of assignment 12 | else if(v1=0 && v2=0 && v3=0) printf("YES\n"); | ^
s822929421
p00012
C
#include<stdio.h> int main() { double a, b, c, p1[2], p2[2], p3[2], pp[2]; while (scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &p1[0], &p1[1], &p2[0], &p2[1], &p3[0], &p3[1], &pp[0], &pp[1]) != EOF) { a = p2[1] - p1[1]; b = p1[0] - p2[0]; c = p2[0] * p1[1] - p1[0] * p2[1]; if ((a * p3[0] + b * p3[1] + c) * (a * pp[0] + b * pp[1] + c) > 0) { a = p3[1] - p2[1]; b = p2[0] - p3[0]; c = p3[0] * p2[1] - p2[0] * p3[1]; if ((a * p1[0] + b * p1[1] + c) * (a * pp[0] + b * pp[1] + c) > 0) { a = p3[1] - p1[1]; b = p1[0] - p3[0]; c = p3[0] * p1[1] - p1[0] * p3[1]; if ((a * p2[0] + b * p2[1] + c) * (a * pp[0] + b * pp[1] + c) > 0) { printf("YES\n"); } else { printf("NO\n"); } else { printf("NO\n"); } } else { printf("NO\n"); } } return 0; }
main.c: In function 'main': main.c:14:9: error: expected '}' before 'else' 14 | } else { | ^~~~
s721808750
p00012
C
#include <stdio.h> #include <stdlib.h> #include <math.h> #define DEBUG #define POINT_NUMBER 8 double get_area(double x1, double x2, double x3, double y1, double y2, double y3); main() { double x1, y1, x2, y2, x3, y3, px, py; while(scanf("%lf%lf%lf%lf%lf%lf%lf%lf", &x1, &y1, &x2, &y2, &x3, &y3, &px, &py) != EOF) { double abp = get_area(x1, y1, x2, y2, px, py); double bcp = get_area(x2, y2, x3, y3, px, py); double cap = get_area(x3, y3, x1, y1, px, py); double abc = get_area(x1, y1, x2, y2, x3, y3); } #ifdef DEBUG printf("%lf\n%lf\n%lf\n%lf\n", abp, bcp, cap, abc); #endif if(abc == (abp + bcp + cap)) { printf("YES\n"); } else { printf("NO\n"); } return 0; } double get_area(double x1, double y1, double x2, double y2, double x3, double y3) { double area; area = (y1 * (x2 - x3) + y2 * (x3 - x1) + y3 * (x1 - x2)) / 2; area = area * area; area = sqrt(area); return area; }
main.c:11:1: error: return type defaults to 'int' [-Wimplicit-int] 11 | main() | ^~~~ main.c: In function 'main': main.c:23:40: error: 'abp' undeclared (first use in this function); did you mean 'abs'? 23 | printf("%lf\n%lf\n%lf\n%lf\n", abp, bcp, cap, abc); | ^~~ | abs main.c:23:40: note: each undeclared identifier is reported only once for each function it appears in main.c:23:45: error: 'bcp' undeclared (first use in this function) 23 | printf("%lf\n%lf\n%lf\n%lf\n", abp, bcp, cap, abc); | ^~~ main.c:23:50: error: 'cap' undeclared (first use in this function) 23 | printf("%lf\n%lf\n%lf\n%lf\n", abp, bcp, cap, abc); | ^~~ main.c:23:55: error: 'abc' undeclared (first use in this function); did you mean 'abs'? 23 | printf("%lf\n%lf\n%lf\n%lf\n", abp, bcp, cap, abc); | ^~~ | abs
s273173401
p00012
C
#include<stdio.h> #include<math.h> int main( void ) { double x1 = 0, y1 = 0, x2 = 0, y2 = 0, x3 = 0, y3 = 0; double xp = 0, yp = 0; double sum = 0, s = 0, s1 = 0, s2 = 0, s3 = 0; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &x1, &y1, &x2, &y2, &x3, &y3, &xp, &yp) != EOF) { s = fabs(((x1 * y2) + (x2 * y3) + (x3 * y1) - (y1 * x2) - (y2 * x3) - (y3 * x1)) / 2.0 s1 = fabs(((x1 * y2) + (x2 * yp) + (xp * y1) - (y1 * x2) - (y2 * xp) - (yp * x1))/2.0 s2 = fabs(((xp * y2) + (x2 * y3) + (x3 * yp) - (yp * x2) - (y2 * x3) - (y3 * xp))/2.0 s3 = fabs(((x1 * yp) + (xp * y3) + (x3 * y1) - (y1 * xp) - (yp * x3) - (y3 * x1))/2.0 sum = s1 + s2 + s3; if((0.0 <= fabs(s - sum) && fabs(s - sum) < 0.001) && ( s1 != 0 && s2 != 0 && s3 != 0)) { printf("YES\n"); } else { printf("NO\n"); } } return 0; }
main.c: In function 'main': main.c:14:103: error: expected ')' before 's1' 14 | s = fabs(((x1 * y2) + (x2 * y3) + (x3 * y1) - (y1 * x2) - (y2 * x3) - (y3 * x1)) / 2.0 | ~ ^ | ) 15 | 16 | s1 = fabs(((x1 * y2) + (x2 * yp) + (xp * y1) - (y1 * x2) - (y2 * xp) - (yp * x1))/2.0 | ~~ main.c:32:1: error: expected declaration or statement at end of input 32 | } | ^ main.c:32:1: error: expected declaration or statement at end of input
s069463565
p00012
C
#include <stdio.h> #include<math.h> struct Vector { double x; double y; }; struct Vector sub_vector(struct Vector a, struct Vector b) { struct Vector ret; ret.x = a.x - b.x; ret.y = a.y - b.y; return ret; } int main(void) { struct Vector a1, b2, c3, dp, a1, b2, c3, dp; struct Vector vecAB,vecBP, vecBC,vecCP,vecCA,vecAP; double c0, c1, c2; while (scanf("%lf%lf%lf%lf%lf%lf%lf%lf",&a1.x,&a1.y,&b2.x,&b2.y,&c3.x,&c3.y,&dp.x,&dp.y) != EOF) { vecAB = sub_vector(b2,a1); vecBP = sub_vector(dp, b2); vecBC = sub_vector(c3, b2); vecCP = sub_vector(dp, c3); vecCA = sub_vector(a1, c3); vecAP = sub_vector(dp, a1); c0 = vecAB.x * vecBP.y - vecAB.y * vecBP.x; c1 = vecBC.x * vecCP.y - vecBC.y * vecCP.x; c2 = vecCA.x * vecAP.y - vecCA.y * vecAP.x; if ((c0 > 0 && c1 > 0 && c2 > 0) || (c0 < 0 && c1 < 0 && c2 < 0)) printf("YES\n"); else printf("NO\n"); } return 0; }
main.c: In function 'main': main.c:17:39: error: redeclaration of 'a1' with no linkage 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~ main.c:17:23: note: previous declaration of 'a1' with type 'struct Vector' 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~ main.c:17:43: error: redeclaration of 'b2' with no linkage 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~ main.c:17:27: note: previous declaration of 'b2' with type 'struct Vector' 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~ main.c:17:47: error: redeclaration of 'c3' with no linkage 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~ main.c:17:31: note: previous declaration of 'c3' with type 'struct Vector' 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~ main.c:17:51: error: redeclaration of 'dp' with no linkage 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~ main.c:17:35: note: previous declaration of 'dp' with type 'struct Vector' 17 | struct Vector a1, b2, c3, dp, a1, b2, c3, dp; | ^~
s486605250
p00012
C
#include <stdio.h> #include <math.h> int main(void) { int n; int i; double x1, y1, x2, y2, x3, y3; double a, b, c, d, e, f; double px, py, r; scanf("%d",&n); for(i=0; i<n; i++) { scanf("%lf%lf%lf%lf%lf%lf",&x1, &y1, &x2, &y2, &x3, &y3); a = 2 * (x1 -x2); b = 2 * (y1 -y2); c = 2 * (x1 -x3); d = 2 * (y1 -y3); e = x1 * x1 - x2 * x2 + y1 * y1 - y2 * y2; f = x1 * x1 - x3 * x3 + y1 * y1 - y3 * y3; px = (d * e - b * f) / (a * d - b * c); py = (a * f - c * e) / (a * d - b * c); r = sqrt((x1 - px) * (x1 - px) + (y1 - py) * (y1 - py)); printf("%.3f %.3f %.3f\n", px, py, r); if(islessequal(distance, 0.001)) { printf("YES\n"); } else { printf("NO\n"); } } return 0; }
In file included from main.c:2: main.c: In function 'main': main.c:31:32: error: 'distance' undeclared (first use in this function) 31 | if(islessequal(distance, 0.001)) | ^~~~~~~~ main.c:31:32: note: each undeclared identifier is reported only once for each function it appears in
s755284083
p00012
C
#include #include int debug=0; int main(void){ ツ ツ double ax, ay, bx, by, cx, cy, px, py; ツ ツ double a, b, c, ap, bp, cp; ツ ツ double tmp; ツ ツ double s2, sa2, sb2, sc2; ツ ツ double s, sa, sb, sc; ツ ツ while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &ax, &ay, &bx, &by, &cx, &cy, &px, &py) != -1){ ツ ツ ツ ツ //ツ各ツ静シツ閉ェツづ個陳キツつウツづーツ計ツ算 ツ ツ ツ ツ a = sqrt(fabs((bx - cx) * (bx - cx) + (by - cy) * (by- cy))); ツ ツ ツ ツ b = sqrt(fabs((ax - cx) * (ax - cx) + (ay - cy) * (ay- cy))); ツ ツ ツ ツ c = sqrt(fabs((ax - bx) * (ax - bx) + (ay - by) * (ay- by))); ツ ツ ツ ツ ap = sqrt(fabs((ax - px) * (ax - px) + (ay - py) * (ay- py))); ツ ツ ツ ツ bp = sqrt(fabs((bx - px) * (bx - px) + (by - py) * (by- py))); ツ ツ ツ ツ cp = sqrt(fabs((cx - px) * (cx - px) + (cy - py) * (cy- py))); ツ ツ ツ ツ if(debug) printf("[length]a = %.2f, b == %.2f, c = %.2f, ap = %.2f, bp = %.2f, cp = %.2f\n", a, b, c, ap, bp, cp); ツ ツ ツ ツ //heron ツ ツ ツ ツ tmp = (a + b + c) / 2; ツ ツ ツ ツ s2 = tmp * (tmp - a) * (tmp - b) * (tmp - c); ツ ツ ツ ツ s = sqrt(s2); ツ ツ ツ ツ if(debug) printf("s = %lf\n", s); ツ ツ ツ ツ tmp = (a + bp + cp) / 2; ツ ツ ツ ツ sa2 = tmp * (tmp - a) * (tmp - bp) * (tmp - cp); ツ ツ ツ ツ sa = sqrt(sa2); ツ ツ ツ ツ tmp = (b + ap + cp) / 2; ツ ツ ツ ツ sb2 = tmp * (tmp - b) * (tmp - ap) * (tmp - cp); ツ ツ ツ ツ sb = sqrt(sb2); ツ ツ ツ ツ tmp = (c + ap + bp) / 2; ツ ツ ツ ツ sc2 = tmp * (tmp - c) * (tmp - ap) * (tmp - bp); ツ ツ ツ ツ sc = sqrt(sc2); ツ ツ ツ ツ if(debug) printf("sa + sb + sc = %lf\n", sa + sb + sc); ツ ツ ツ ツ if(fabs(sa + sb + sc - s) < 0.000000001){ ツ ツ ツ ツ ツ ツ printf("YES\n"); ツ ツ ツ ツ }else{ ツ ツ ツ ツ ツ ツ printf("NO\n"); ツ ツ ツ ツ } ツ ツ } ツ ツ return 0; }
main.c:1:10: error: #include expects "FILENAME" or <FILENAME> 1 | #include | ^ main.c:2:10: error: #include expects "FILENAME" or <FILENAME> 2 | #include | ^ main.c: In function 'main': main.c:7:3: error: stray '\343' in program 7 | <U+30C4><U+3000><U+30C4><U+3000>double ax, ay, bx, by, cx, cy, px, py; | ^~~~~~~~ main.c:7:1: error: unknown type name '\U000030c4' 7 | ツ ツ double ax, ay, bx, by, cx, cy, px, py; | ^~ main.c:7:7: error: stray '\343' in program 7 | <U+30C4><U+3000><U+30C4><U+3000>double ax, ay, bx, by, cx, cy, px, py; | ^~~~~~~~ main.c:7:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'double' 7 | ツ ツ double ax, ay, bx, by, cx, cy, px, py; | ^~~~~~ main.c:8:3: error: stray '\343' in program 8 | <U+30C4><U+3000><U+30C4><U+3000>double a, b, c, ap, bp, cp; | ^~~~~~~~ main.c:8:1: error: unknown type name '\U000030c4' 8 | ツ ツ double a, b, c, ap, bp, cp; | ^~ main.c:8:7: error: stray '\343' in program 8 | <U+30C4><U+3000><U+30C4><U+3000>double a, b, c, ap, bp, cp; | ^~~~~~~~ main.c:8:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'double' 8 | ツ ツ double a, b, c, ap, bp, cp; | ^~~~~~ main.c:9:3: error: stray '\343' in program 9 | <U+30C4><U+3000><U+30C4><U+3000>double tmp; | ^~~~~~~~ main.c:9:1: error: unknown type name '\U000030c4' 9 | ツ ツ double tmp; | ^~ main.c:9:7: error: stray '\343' in program 9 | <U+30C4><U+3000><U+30C4><U+3000>double tmp; | ^~~~~~~~ main.c:9:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'double' 9 | ツ ツ double tmp; | ^~~~~~ main.c:10:3: error: stray '\343' in program 10 | <U+30C4><U+3000><U+30C4><U+3000>double s2, sa2, sb2, sc2; | ^~~~~~~~ main.c:10:1: error: unknown type name '\U000030c4' 10 | ツ ツ double s2, sa2, sb2, sc2; | ^~ main.c:10:7: error: stray '\343' in program 10 | <U+30C4><U+3000><U+30C4><U+3000>double s2, sa2, sb2, sc2; | ^~~~~~~~ main.c:10:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'double' 10 | ツ ツ double s2, sa2, sb2, sc2; | ^~~~~~ main.c:11:3: error: stray '\343' in program 11 | <U+30C4><U+3000><U+30C4><U+3000>double s, sa, sb, sc; | ^~~~~~~~ main.c:11:1: error: unknown type name '\U000030c4' 11 | ツ ツ double s, sa, sb, sc; | ^~ main.c:11:7: error: stray '\343' in program 11 | <U+30C4><U+3000><U+30C4><U+3000>double s, sa, sb, sc; | ^~~~~~~~ main.c:11:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'double' 11 | ツ ツ double s, sa, sb, sc; | ^~~~~~ main.c:13:3: error: stray '\343' in program 13 | <U+30C4><U+3000><U+30C4><U+3000>while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &ax, &ay, &bx, &by, &cx, &cy, &px, &py) != -1){ | ^~~~~~~~ main.c:13:1: error: unknown type name '\U000030c4' 13 | ツ ツ while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &ax, &ay, &bx, &by, &cx, &cy, &px, &py) != -1){ | ^~ main.c:13:7: error: stray '\343' in program 13 | <U+30C4><U+3000><U+30C4><U+3000>while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &ax, &ay, &bx, &by, &cx, &cy, &px, &py) != -1){ | ^~~~~~~~ main.c:13:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'while' 13 | ツ ツ while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &ax, &ay, &bx, &by, &cx, &cy, &px, &py) != -1){ | ^~~~~ main.c:14:3: error: stray '\343' in program 14 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>//<U+30C4><U+5404><U+30C4><U+9759><U+30B7><U+30C4><U+9589><U+30A7><U+30C4><U+3065><U+500B><U+9673><U+30AD><U+30C4><U+3064><U+30A6><U+30C4><U+3065><U+30FC><U+30C4><U+8A08><U+30C4><U+7B97> | ^~~~~~~~ main.c:14:7: error: stray '\343' in program 14 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>//<U+30C4><U+5404><U+30C4><U+9759><U+30B7><U+30C4><U+9589><U+30A7><U+30C4><U+3065><U+500B><U+9673><U+30AD><U+30C4><U+3064><U+30A6><U+30C4><U+3065><U+30FC><U+30C4><U+8A08><U+30C4><U+7B97> | ^~~~~~~~ main.c:14:11: error: stray '\343' in program 14 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>//<U+30C4><U+5404><U+30C4><U+9759><U+30B7><U+30C4><U+9589><U+30A7><U+30C4><U+3065><U+500B><U+9673><U+30AD><U+30C4><U+3064><U+30A6><U+30C4><U+3065><U+30FC><U+30C4><U+8A08><U+30C4><U+7B97> | ^~~~~~~~ main.c:14:15: error: stray '\343' in program 14 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>//<U+30C4><U+5404><U+30C4><U+9759><U+30B7><U+30C4><U+9589><U+30A7><U+30C4><U+3065><U+500B><U+9673><U+30AD><U+30C4><U+3064><U+30A6><U+30C4><U+3065><U+30FC><U+30C4><U+8A08><U+30C4><U+7B97> | ^~~~~~~~ main.c:15:3: error: stray '\343' in program 15 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>a = sqrt(fabs((bx - cx) * (bx - cx) + (by - cy) * (by- cy))); | ^~~~~~~~ main.c:15:7: error: stray '\343' in program 15 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>a = sqrt(fabs((bx - cx) * (bx - cx) + (by - cy) * (by- cy))); | ^~~~~~~~ main.c:15:11: error: stray '\343' in program 15 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>a = sqrt(fabs((bx - cx) * (bx - cx) + (by - cy) * (by- cy))); | ^~~~~~~~ main.c:15:15: error: stray '\343' in program 15 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>a = sqrt(fabs((bx - cx) * (bx - cx) + (by - cy) * (by- cy))); | ^~~~~~~~ main.c:16:3: error: stray '\343' in program 16 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>b = sqrt(fabs((ax - cx) * (ax - cx) + (ay - cy) * (ay- cy))); | ^~~~~~~~ main.c:16:7: error: stray '\343' in program 16 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>b = sqrt(fabs((ax - cx) * (ax - cx) + (ay - cy) * (ay- cy))); | ^~~~~~~~ main.c:16:11: error: stray '\343' in program 16 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>b = sqrt(fabs((ax - cx) * (ax - cx) + (ay - cy) * (ay- cy))); | ^~~~~~~~ main.c:16:15: error: stray '\343' in program 16 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>b = sqrt(fabs((ax - cx) * (ax - cx) + (ay - cy) * (ay- cy))); | ^~~~~~~~ main.c:17:3: error: stray '\343' in program 17 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>c = sqrt(fabs((ax - bx) * (ax - bx) + (ay - by) * (ay- by))); | ^~~~~~~~ main.c:17:7: error: stray '\343' in program 17 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>c = sqrt(fabs((ax - bx) * (ax - bx) + (ay - by) * (ay- by))); | ^~~~~~~~ main.c:17:11: error: stray '\343' in program 17 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>c = sqrt(fabs((ax - bx) * (ax - bx) + (ay - by) * (ay- by))); | ^~~~~~~~ main.c:17:15: error: stray '\343' in program 17 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>c = sqrt(fabs((ax - bx) * (ax - bx) + (ay - by) * (ay- by))); | ^~~~~~~~ main.c:18:3: error: stray '\343' in program 18 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>ap = sqrt(fabs((ax - px) * (ax - px) + (ay - py) * (ay- py))); | ^~~~~~~~ main.c:18:7: error: stray '\343' in program 18 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>ap = sqrt(fabs((ax - px) * (ax - px) + (ay - py) * (ay- py))); | ^~~~~~~~ main.c:18:11: error: stray '\343' in program 18 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>ap = sqrt(fabs((ax - px) * (ax - px) + (ay - py) * (ay- py))); | ^~~~~~~~ main.c:18:15: error: stray '\343' in program 18 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>ap = sqrt(fabs((ax - px) * (ax - px) + (ay - py) * (ay- py))); | ^~~~~~~~ main.c:19:3: error: stray '\343' in program 19 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>bp = sqrt(fabs((bx - px) * (bx - px) + (by - py) * (by- py))); | ^~~~~~~~ main.c:19:7: error: stray '\343' in program 19 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>bp = sqrt(fabs((bx - px) * (bx - px) + (by - py) * (by- py))); | ^~~~~~~~ main.c:19:11: error: stray '\343' in program 19 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>bp = sqrt(fabs((bx - px) * (bx - px) + (by - py) * (by- py))); | ^~~~~~~~ main.c:19:15: error: stray '\343' in program 19 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>bp = sqrt(fabs((bx - px) * (bx - px) + (by - py) * (by- py))); | ^~~~~~~~ main.c:20:3: error: stray '\343' in program 20 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>cp = sqrt(fabs((cx - px) * (cx - px) + (cy - py) * (cy- py))); | ^~~~~~~~ main.c:20:7: error: stray '\343' in program 20 | <U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000><U+30C4><U+3000>cp = sqrt(fabs((cx - px) * (cx - px) + (cy - py) * (cy- py))); | ^~~~~~~~ main.c:20:11: error: stray '\343' in program 20 | <U+30C4><U+3000><U+30C4><U+3000><U
s829619472
p00012
C
main(){for(float d,e,f,g,h,i,m,n;~scanf("%f%f%f%f%f%f%f%f",&d,&e,&f,&g,&h,&i,&m,&n);puts((f-d)*(n-e)*(f=(h-f)*(n-g)-(m-f)*(i-g))>f*(m-d)*(g-e)&f*(d-h)*(n-i)>f*(m-h)*(e-i)?"YES":"NO"));}
main.c:1:1: error: return type defaults to 'int' [-Wimplicit-int] 1 | main(){for(float d,e,f,g,h,i,m,n;~scanf("%f%f%f%f%f%f%f%f",&d,&e,&f,&g,&h,&i,&m,&n);puts((f-d)*(n-e)*(f=(h-f)*(n-g)-(m-f)*(i-g))>f*(m-d)*(g-e)&f*(d-h)*(n-i)>f*(m-h)*(e-i)?"YES":"NO"));} | ^~~~ main.c: In function 'main': main.c:1:35: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration] 1 | main(){for(float d,e,f,g,h,i,m,n;~scanf("%f%f%f%f%f%f%f%f",&d,&e,&f,&g,&h,&i,&m,&n);puts((f-d)*(n-e)*(f=(h-f)*(n-g)-(m-f)*(i-g))>f*(m-d)*(g-e)&f*(d-h)*(n-i)>f*(m-h)*(e-i)?"YES":"NO"));} | ^~~~~ main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf' +++ |+#include <stdio.h> 1 | main(){for(float d,e,f,g,h,i,m,n;~scanf("%f%f%f%f%f%f%f%f",&d,&e,&f,&g,&h,&i,&m,&n);puts((f-d)*(n-e)*(f=(h-f)*(n-g)-(m-f)*(i-g))>f*(m-d)*(g-e)&f*(d-h)*(n-i)>f*(m-h)*(e-i)?"YES":"NO"));} main.c:1:35: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch] 1 | main(){for(float d,e,f,g,h,i,m,n;~scanf("%f%f%f%f%f%f%f%f",&d,&e,&f,&g,&h,&i,&m,&n);puts((f-d)*(n-e)*(f=(h-f)*(n-g)-(m-f)*(i-g))>f*(m-d)*(g-e)&f*(d-h)*(n-i)>f*(m-h)*(e-i)?"YES":"NO"));} | ^~~~~ main.c:1:35: note: include '<stdio.h>' or provide a declaration of 'scanf' main.c:1:85: error: implicit declaration of function 'puts' [-Wimplicit-function-declaration] 1 | main(){for(float d,e,f,g,h,i,m,n;~scanf("%f%f%f%f%f%f%f%f",&d,&e,&f,&g,&h,&i,&m,&n);puts((f-d)*(n-e)*(f=(h-f)*(n-g)-(m-f)*(i-g))>f*(m-d)*(g-e)&f*(d-h)*(n-i)>f*(m-h)*(e-i)?"YES":"NO"));} | ^~~~ main.c:1:85: note: include '<stdio.h>' or provide a declaration of 'puts'
s977230389
p00012
C
using System; using System.Collections.Generic; using System.Linq; namespace AOJ { class Point { public double X { get; private set; } public double Y { get; private set; } public Point(double x, double y) { X = x; Y = y; } public static Point operator+ (Point p1, Point p2) { return new Point(p1.X + p2.X, p1.Y + p2.Y); } public static Point operator- (Point p1, Point p2) { return new Point(p1.X - p2.X, p1.Y - p2.Y); } } class Program { public static void Main() { foreach (var points in ReadPoints()) { if (IsInTriangle(points[0], points[1], points[2], points[3])) Console.WriteLine("YES"); else Console.WriteLine("NO"); } } static IEnumerable<Point[]> ReadPoints() { string line; while ((line = Console.ReadLine()) != null) yield return line.Split(' ').Select((s, i) => new { Index = i, Value = double.Parse(s) }) .GroupBy(x => x.Index / 2) .Select(x => x.Select(v => v.Value)) .Select(x => new Point(x.First(), x.Skip(1).First())) .ToArray(); } static bool IsInTriangle(Point a, Point b, Point c, Point p) { var center = new Point((a.X + b.X + c.X) / 3.0, (a.Y + b.Y + c.Y) / 3.0); if (IntersectionLine(a, b, p, center) || IntersectionLine(a, c, p, center) || IntersectionLine(b, c, p, center)) return false; return true; } static bool IntersectionLine(Point a1, Point a2, Point b1, Point b2) { return ((a1.X - a2.X) * (b1.Y - a1.Y) + (a1.Y - a2.Y) * (a1.X - b1.X)) * ((a1.X - a2.X) * (b2.Y - a1.Y) + (a1.Y - a2.Y) * (a1.X - b2.X)) < 0; } } }
main.c:1:1: error: unknown type name 'using' 1 | using System; | ^~~~~ main.c:2:1: error: unknown type name 'using' 2 | using System.Collections.Generic; | ^~~~~ main.c:2:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token 2 | using System.Collections.Generic; | ^ main.c:3:1: error: unknown type name 'using' 3 | using System.Linq; | ^~~~~ main.c:3:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token 3 | using System.Linq; | ^ main.c:5:1: error: unknown type name 'namespace' 5 | namespace AOJ | ^~~~~~~~~ main.c:6:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token 6 | { | ^
s678247377
p00012
C
#include <stdio.h> double hantei(double,double,double,double,double,double,double,double); int main(){ double x1,x2,x3,y1,y2,y3,xp,yp; double heix,heiy; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)!=EOF){ f=0; heix=(x1+x2+x3)/3; heiy=(y1+y2+y3)/3; if(hantei(x1,y1,x2,y2,xp,yp,heix,heiy)<0.0){ f=1; } if(hantei(x1,y1,x3,y3,xp,yp,heix,heiy)<0.0){ f=1; } if(hantei(x2,y2,x3,y3,xp,yp,heix,heiy)<0.0){ f=1; } if(f==1){ printf("NO\n"); } else if(f==0){ printf("YES\n"); } } return 0; } double hantei(double p1x,double p1y,double p2x,double p2y,double p3x,double p3y,double p4x,double p4y) { double a; a=((p1x-p2x)*(p3y-p1y)+(p1y-p2y)*(p1x-p3x))*((p1x-p2x)*(p4y-p1y)+(p1y-p2y)*(p1x-p4x)); return a; }
main.c: In function 'main': main.c:10:1: error: 'f' undeclared (first use in this function) 10 | f=0; | ^ main.c:10:1: note: each undeclared identifier is reported only once for each function it appears in
s155999701
p00012
C
import math def L(x1,y1,x2,y2): return math.sqrt((x1-x2)**2+(y1-y2)**2) def S(a,b,c): s=(a+b+c)/2 return math.sqrt(s*(s-a)*(s-b)*(s-c)) while True: try: x1,y1,x2,y2,x3,y3,xp,yp = map(float, raw_input().split()) a = L(x1,y1,x2,y2) b = L(x1,y1,x3,y3) c = L(x2,y2,x3,y3) pa = L(x3,y3,xp,yp) pb = L(x2,y2,xp,yp) pc = L(x1,y1,xp,yp) if S(a,pb,pc)+S(b,pc,pa)+S(c,pa,pb)-S(a,b,c) > 0.0000001: print "NO" else: print "YES" except: break
main.c:1:1: error: unknown type name 'import' 1 | import math | ^~~~~~ main.c:3:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'def' 3 | def L(x1,y1,x2,y2): | ^~~ main.c:3:1: error: unknown type name 'def'
s784700491
p00012
C
#include<stdio.h> #include<math.h> int main(void) { &#160;&#160;&#160;&#160;double x[4]={0}; &#160;&#160;&#160;&#160;double y[4]={0}; &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t2=fabs(x[0]*(y[1]-y[3])+x[1]*(y[3]-y[0])+x[3]*(y[0]-y[1]))/2; &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t3=fabs(x[0]*(y[2]-y[3])+x[2]*(y[3]-y[0])+x[3]*(y[0]-y[2]))/2; &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s2=t1+t2+t3; &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;if(s1==s2) printf("YES\n"); &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;else printf("NO\n"); &#160;&#160;&#160;&#160;} &#160;&#160;&#160;&#160;return 0; }
main.c: In function 'main': main.c:4:2: error: stray '#' in program 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:4:1: error: lvalue required as unary '&' operand 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:4:8: error: stray '#' in program 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:4:7: error: lvalue required as unary '&' operand 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:4:14: error: stray '#' in program 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:4:13: error: lvalue required as unary '&' operand 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:4:20: error: stray '#' in program 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:4:19: error: lvalue required as unary '&' operand 4 | &#160;&#160;&#160;&#160;double x[4]={0}; | ^ main.c:5:2: error: stray '#' in program 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:5:1: error: lvalue required as unary '&' operand 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:5:8: error: stray '#' in program 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:5:7: error: lvalue required as unary '&' operand 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:5:14: error: stray '#' in program 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:5:13: error: lvalue required as unary '&' operand 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:5:20: error: stray '#' in program 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:5:19: error: lvalue required as unary '&' operand 5 | &#160;&#160;&#160;&#160;double y[4]={0}; | ^ main.c:6:2: error: stray '#' in program 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:6:1: error: lvalue required as unary '&' operand 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:6:8: error: stray '#' in program 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:6:7: error: lvalue required as unary '&' operand 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:6:14: error: stray '#' in program 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:6:13: error: lvalue required as unary '&' operand 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:6:20: error: stray '#' in program 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:6:19: error: lvalue required as unary '&' operand 6 | &#160;&#160;&#160;&#160;double t1, t2, t3, s1, s2; | ^ main.c:7:2: error: stray '#' in program 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:7:1: error: lvalue required as unary '&' operand 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:7:8: error: stray '#' in program 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:7:7: error: lvalue required as unary '&' operand 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:7:14: error: stray '#' in program 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:7:13: error: lvalue required as unary '&' operand 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:7:20: error: stray '#' in program 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:7:19: error: lvalue required as unary '&' operand 7 | &#160;&#160;&#160;&#160;while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&x[1],&y[1],&x[2],&y[2],&x[3],&y[3],&x[0],&y[0]) != EOF){ | ^ main.c:8:2: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:1: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:8: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:7: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:14: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:13: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:20: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:19: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:26: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:25: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:32: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:31: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:38: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:37: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:44: error: stray '#' in program 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:8:43: error: lvalue required as unary '&' operand 8 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;s1=fabs(x[1]*(y[2]-y[3])+x[2]*(y[3]-y[1])+x[3]*(y[1]-y[2]))/2; | ^ main.c:9:2: error: stray '#' in program 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:1: error: lvalue required as unary '&' operand 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:8: error: stray '#' in program 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:7: error: lvalue required as unary '&' operand 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:14: error: stray '#' in program 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:13: error: lvalue required as unary '&' operand 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:20: error: stray '#' in program 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:19: error: lvalue required as unary '&' operand 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:26: error: stray '#' in program 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:25: error: lvalue required as unary '&' operand 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:32: error: stray '#' in program 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:31: error: lvalue required as unary '&' operand 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; | ^ main.c:9:38: error: stray '#' in program 9 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;t1=fabs(x[0]*(y[1]-y[2])+x[1]*(y[2]-y[0])+x[2]*(y[0]-y[1]))/2; |
s523183328
p00012
C
#include<stdio.h> #include<math.h> int main(void){ double x[4],y[4],a,b,c; while(scanf("%lf%lf%lf%lf%lf%lf%lf%lf",&x[0],&y[0],&x[1],&y[1],&x[2],&y[2],&x[3],&y[3])!=EOF){ x[0]-=x[3]; x[1]-=x[3]; x[2]-=x[3]; y[0]-=y[3]; y[1]-=y[3]; y[2]-=y[3]; a=sqrt(x[0]*x[0]+y[0]*y[0]); b=sqrt(x[1]*x[1]+y[1]*y[1]); c=sqrt((x[0]-x[1])*(x[0]-x[1])+(y[0]-y[1])*(y[0]-y[1])); x[3]=(a*a+b*b-c*c)/(2*a*b); b=sqrt(x[2]*x[2]+y[2]*y[2]); c=sqrt((x[0]-x[2])*(x[0]-x[2])+(y[0]-y[2])*(y[0]-y[2])); y[3]=(a*a+b*b-c*c)/(2*a*b); a=sqrt(1-y[3]*y[3])*x[3]+sqrt(1-x[3]*x[3])*y[3]; if(a>0){ printf("NO\n"); }else{ printf("YES\n") } } return 0; }
main.c: In function 'main': main.c:27:40: error: expected ';' before '}' token 27 | printf("YES\n") | ^ | ; 28 | } | ~
s607722892
p00012
C
#include<stdio.h> #include<math.h> int dist(int x1,int y1,int x2,int y2){ return sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)) } int area(int p,int q,int r){ int s=(p+q+r)/2; return sqrt(s*(s-p)*(s-q)*(s-r)); } int main(void){ double x[4],y[4],a,b,c,d; while(scanf("%lf%lf%lf%lf%lf%lf%lf%lf",&x[0],&y[0],&x[1],&y[1],&x[2],&y[2],&x[3],&y[3])!=EOF){ a=area(dist(x[0],y[0],x[1],y[1]),dist(x[1],y[1],x[2],y[2]),dist(x[2],y[2],x[0],y[0])); b=area(dist(x[0],y[0],x[1],y[1]),dist(x[0],y[0],x[3],y[3]),dist(x[3],y[3],x[1],y[1])); c=area(dist(x[1],y[1],x[2],y[2]),dist(x[1],y[1],x[3],y[3]),dist(x[3],y[3],x[2],y[2])); d=area(dist(x[2],y[2],x[0],y[0]),dist(x[2],y[2],x[3],y[3]),dist(x[3],y[3],x[0],y[0])); if((b+c+d)==a){ printf("YES\n"); }else{ printf("NO\n"); } } return 0; }
main.c: In function 'dist': main.c:5:53: error: expected ';' before '}' token 5 | return sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2)) | ^ | ; 6 | } | ~
s134693640
p00012
C++
#include <iostream> #include <complex> using namespace std; double cross(complex<double> A, complex<double> B){ return (conj(A)*B).imag(); } int main(){ complex<double> Points[3], P; while(true){ double x, y; for(int i=0; i<3; i++){ cin >> x >> y; V[i] = {x, y}; } cin >> x >> y; P = {x, y}; if(!cin)break; int sum = 0; for(int i=0; i<3; i++){ sum += cross(Points[(i+1)%3]-Points[i], (P-Points[i])) > 0; } cout << (sum==0 || sum==3? "YES": "NO") << endl; } return 0; }
a.cc: In function 'int main()': a.cc:15:13: error: 'V' was not declared in this scope 15 | V[i] = {x, y}; | ^
s792749927
p00012
C++
#include <iostream> using namespace std; double distance(double x1, double y1, double x2, double y2) { return sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)); } double helon(double a, double b, double c) { double s = (a + b + c) / 2; return sqrt(s * (s - a) * (s - b) * (s - c)); } double helon(double x1, double y1, double x2, double y2, double x3, double y3) { double a = distance(x1, y1, x2, y2); double b = distance(x2, y2, x3, y3); double c = distance(x3, y3, x1, y1); return helon(a, b, c); } int main() { double x1, y1, x2, y2, x3, y3, xp, yp; while ( cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { if (round(helon(x1, y1, x2, y2, x3, y3)*100) == round((helon(x1, y1, x2, y2, xp, yp) + helon(x2, y2, x3, y3, xp, yp) + helon(x3, y3, x1, y1, xp, yp)) *100)) { cout << "YES" << endl; } else { cout << "NO" << endl; } } return 0; }
a.cc: In function 'double distance(double, double, double, double)': a.cc:7:16: error: 'sqrt' was not declared in this scope 7 | return sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)); | ^~~~ a.cc: In function 'double helon(double, double, double)': a.cc:14:16: error: 'sqrt' was not declared in this scope 14 | return sqrt(s * (s - a) * (s - b) * (s - c)); | ^~~~ a.cc: In function 'int main()': a.cc:31:21: error: 'round' was not declared in this scope 31 | if (round(helon(x1, y1, x2, y2, x3, y3)*100) == round((helon(x1, y1, x2, y2, xp, yp) + helon(x2, y2, x3, y3, xp, yp) + helon(x3, y3, x1, y1, xp, yp)) *100)) { | ^~~~~
s063142620
p00012
C++
0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0
a.cc:1:1: error: expected unqualified-id before numeric constant 1 | 0.0 0.0 1.0 4.0 5.0 3.0 -1.0 3.0 | ^~~
s447468575
p00012
C++
import sys def side(p1, p2, p3): return (p3[1]-p1[1])*(p2[0]-p1[0])-(p2[1]-p1[1])*(p3[0]-p1[0])>0 for s in sys.stdin: x = map(float, raw_input().split()) p1 = x[0:2] p2 = x[2:4] p3 = x[4:6] p0 = x[6:] print ["NO","YES"][(side(p1, p2, p0)==side(p2, p3, p0) and side(p2, p3, p0)==side(p3, p1, p0))]
a.cc:1:1: error: 'import' does not name a type 1 | import sys | ^~~~~~ a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
s502837550
p00012
C++
#define VARIABLE(x) cerr << #x << "=" << x << endl #define BINARY(x) static_cast<bitset<16> >(x) #define rep(i,n) for(int i=0;i<(int)(n);i++) #define REP(i,m,n) for (int i=m;i<(int)(n);i++) #define if_range(x, y, w, h) if (0<=(int)(x) && (int)(x)<(int)(w) && 0<=(int)(y) && (int)(y)<(int)(h)) #define ALL(a) (a).begin(),(a).end() const int INF = 1e9; const double PI = 3.14159; int dx[4]={0, 1, 0, -1}, dy[4]={-1, 0, 1, 0}; using namespace std; typedef long long ll; //typedef pair<int, int> P; /* struct P { int x, y, n; P(int n, int x, int y):n(n), x(x), y(y){} P(){} }; */ /** 幾何ライブラリ **/ #include <complex> #define X real() #define Y imag() const double EPS = 1e-11; typedef double D; typedef complex<D> P; // Point struct L { // Line P a, b; L(){} L(P aa, P bb) : a(aa), b(bb){} }; // 共役複素数 conj(a); // 符号 int sig(D a, D b=0) { return a < b - EPS ? -1 : (a > b + EPS ? 1 : 0); } // 内積 D dot(P a, P b) { return (conj(a)*b).real(); } // 外積 D cross(P a, P b) { return (conj(a)*b).imag(); } // 線分abに対する点cの位置 enum STATE{LEFT=1, RIGHT=-1, BACK=2, FRONT=-2, ON=0, IN=3, OUT=-3}; int ccw(P a, P b, P c) { b -= a, c -= a; D s = sig(cross(b, c)); if (s) return s>0 ? LEFT : RIGHT; if (sig(dot(b, c))<0) return BACK; if (sig(abs(c), abs(b))>0) return FRONT; return ON; } // 直線lに対する点pの写像 P projection(L l, P p) { return l.a + (l.b-l.a)/abs(l.b-l.a) * dot(l.b-l.a, p-l.a)/abs(l.b-l.a); } // 直線lに対する点pの反射 P reflection(L l, P p) { return p + (projection(l, p)-p)*P(2, 0); } // 直線abと点cの距離 D dLP(L l, P c) { return abs(cross(l.b-l.a, c-l.a))/abs(l.b-l.a); } // 線分abと点cの距離 D dSP(L l, P c) { if (sig(dot(l.b-l.a, c-l.a))<0) return abs(c-l.a); if (sig(dot(l.a-l.b, c-l.b))<0) return abs(c-l.b); return abs(cross(l.b-l.a, c-l.a))/abs(l.b-l.a); } // 線分と線分の交差判定 bool iSS(L s, L t) { return (ccw(s.a, s.b, t.a) * ccw(s.a, s.b, t.b) <= 0) && (ccw(t.a, t.b, s.a) * ccw(t.a, t.b, s.b) <= 0); } // 線分と線分の距離 D dSS(L s, L t) { if (iSS(s, t)) return 0; return min(min(dSP(t, s.a), dSP(t, s.b)), min(dSP(s, t.a), dSP(s, t.b))); } // 線分と線分の交点 (公差していることが前提) P cSS(L s, L t) { D d1 = dLP(t, s.a); D d2 = dLP(t, s.b); D tmp = d1 / (d1 + d2); return s.a + (s.b-s.a)*tmp; } // 直線と直線の交差判定 bool iLL(L s, L t) { return sig(cross(s.b-s.a, t.b-t.a))!=0; } // 直線と直線の交点 iLLを確認してから使用 P cLL(L s, L t) { P ss = s.b - s.a, tt = t.b - t.a; return s.a + ss*cross(tt, t.a-s.a)/cross(tt, ss); } // 多角形 typedef vector<P> G; #define GET(v, i) v[i%v.size()] int containsGP(G g, P p) { bool in=false; for (int i=0; i<g.size(); i++) { P a = GET(g, i)-p, b = GET(g, i+1)-p; if (ccw(a, b, p) == ON) return ON; if (a.Y > b.Y) swap(a, b); if (a.Y<0 && b.Y>=0 && sig(cross(a, b))>0) in = !in; } return in?IN:OUT; } /** Problem0012 : A Point In Triangle **/ int main() { P a, b, c, p; while (cin>>a.X>>a.Y>>b.X>>b.Y>>c.X>>c.Y>>p.X>>p.Y) { G g; g.push_back(a); g.push_back(b); g.push_back(c); cout << (containsGP(g, p)==IN?"YES":"NO") << endl; } }
a.cc:124:9: error: 'vector' does not name a type 124 | typedef vector<P> G; | ^~~~~~ a.cc:127:16: error: 'G' was not declared in this scope 127 | int containsGP(G g, P p) | ^ a.cc:127:23: error: expected primary-expression before 'p' 127 | int containsGP(G g, P p) | ^ a.cc:127:24: error: expression list treated as compound expression in initializer [-fpermissive] 127 | int containsGP(G g, P p) | ^ a.cc: In function 'int main()': a.cc:143:16: error: 'cin' was not declared in this scope 143 | while (cin>>a.X>>a.Y>>b.X>>b.Y>>c.X>>c.Y>>p.X>>p.Y) { | ^~~ a.cc:23:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' 22 | #include <complex> +++ |+#include <iostream> 23 | a.cc:144:17: error: 'G' was not declared in this scope 144 | G g; | ^ a.cc:145:17: error: 'g' was not declared in this scope 145 | g.push_back(a); | ^ a.cc:148:17: error: 'cout' was not declared in this scope 148 | cout << (containsGP(g, p)==IN?"YES":"NO") << endl; | ^~~~ a.cc:148:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:148:36: error: 'containsGP' cannot be used as a function 148 | cout << (containsGP(g, p)==IN?"YES":"NO") << endl; | ~~~~~~~~~~^~~~~~
s431187891
p00012
C++
#include <iostream> #include <vector> #include <limits.h> using namespace std; struct Point { Point() :x(0.0), y(0.0) {} Point(double _x, double _y) : x(_x), y(_y) {} double x; double y; }; bool HalfPlaneTest(const Point& P1, const Point& P2, const Point& P) { return ((P2.y - P1.y) * P.x - (P2.x - P1.x) * P.y + (P2.x * P1.y - P1.x * P2.y)) > 0; } struct Triangle { Triangle() : minX(DBL_MAX), maxX(DBL_MIN), minY(DBL_MAX), maxY(DBL_MIN) {} void add(double x, double y) { vP.push_back(Point(x, y)); if (x < minX) minX = x; if (x > maxX) maxX = x; if (y < minY) minY = y; if (y > maxY) maxY = y; if (vP.size() == 3){ if (HalfPlaneTest(vP[0], vP[1], vP[2])) swap(vP[1], vP[2]); } } bool IsInclude(double x, double y){ if (x <= minX || x >= maxX || y <= minY || y >= maxY) return false; Point p(x, y); if (HalfPlaneTest(vP[0], vP[1], p)) return false; if (HalfPlaneTest(vP[1], vP[2], p)) return false; if (HalfPlaneTest(vP[2], vP[0], p)) return false; return true; } vector<Point> vP; double minX; double maxX; double minY; double maxY; }; int main() { double x1, y1, x2, y2, x3, y3, x, y; while (cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> x >> y){ Triangle triangle; triangle.add(x1, y1); triangle.add(x2, y2); triangle.add(x3, y3); if (triangle.IsInclude(x, y)) cout << "YES\n"; else cout << "NO\n"; } return 0; }
a.cc: In constructor 'Triangle::Triangle()': a.cc:18:27: error: 'DBL_MAX' was not declared in this scope 18 | Triangle() : minX(DBL_MAX), maxX(DBL_MIN), minY(DBL_MAX), maxY(DBL_MIN) {} | ^~~~~~~ a.cc:4:1: note: 'DBL_MAX' is defined in header '<cfloat>'; this is probably fixable by adding '#include <cfloat>' 3 | #include <limits.h> +++ |+#include <cfloat> 4 | using namespace std; a.cc:18:42: error: 'DBL_MIN' was not declared in this scope 18 | Triangle() : minX(DBL_MAX), maxX(DBL_MIN), minY(DBL_MAX), maxY(DBL_MIN) {} | ^~~~~~~ a.cc:18:42: note: 'DBL_MIN' is defined in header '<cfloat>'; this is probably fixable by adding '#include <cfloat>'
s378329555
p00012
C++
#include <iostream> #include <vector> #include <limits> using namespace std; struct Point { Point() :x(0.0), y(0.0) {} Point(double _x, double _y) : x(_x), y(_y) {} double x; double y; }; bool HalfPlaneTest(const Point& P1, const Point& P2, const Point& P) { return ((P2.y - P1.y) * P.x - (P2.x - P1.x) * P.y + (P2.x * P1.y - P1.x * P2.y)) > 0; } struct Triangle { Triangle() : minX(DBL_MAX), maxX(DBL_MIN), minY(DBL_MAX), maxY(DBL_MIN) {} void add(double x, double y) { vP.push_back(Point(x, y)); if (x < minX) minX = x; if (x > maxX) maxX = x; if (y < minY) minY = y; if (y > maxY) maxY = y; if (vP.size() == 3){ if (HalfPlaneTest(vP[0], vP[1], vP[2])) swap(vP[1], vP[2]); } } bool IsInclude(double x, double y){ if (x <= minX || x >= maxX || y <= minY || y >= maxY) return false; Point p(x, y); if (HalfPlaneTest(vP[0], vP[1], p)) return false; if (HalfPlaneTest(vP[1], vP[2], p)) return false; if (HalfPlaneTest(vP[2], vP[0], p)) return false; return true; } vector<Point> vP; double minX; double maxX; double minY; double maxY; }; int main() { double x1, y1, x2, y2, x3, y3, x, y; while (cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> x >> y){ Triangle triangle; triangle.add(x1, y1); triangle.add(x2, y2); triangle.add(x3, y3); if (triangle.IsInclude(x, y)) cout << "YES\n"; else cout << "NO\n"; } return 0; }
a.cc: In constructor 'Triangle::Triangle()': a.cc:18:27: error: 'DBL_MAX' was not declared in this scope 18 | Triangle() : minX(DBL_MAX), maxX(DBL_MIN), minY(DBL_MAX), maxY(DBL_MIN) {} | ^~~~~~~ a.cc:4:1: note: 'DBL_MAX' is defined in header '<cfloat>'; this is probably fixable by adding '#include <cfloat>' 3 | #include <limits> +++ |+#include <cfloat> 4 | using namespace std; a.cc:18:42: error: 'DBL_MIN' was not declared in this scope 18 | Triangle() : minX(DBL_MAX), maxX(DBL_MIN), minY(DBL_MAX), maxY(DBL_MIN) {} | ^~~~~~~ a.cc:18:42: note: 'DBL_MIN' is defined in header '<cfloat>'; this is probably fixable by adding '#include <cfloat>'
s995393739
p00012
C++
#include <cstdio> #include <iostream> using namespace std; #define rep(i,n) for(int i = 0; i < (n); ++i) bool judge(double x[3], double y[3]) { double rad1 = atan2(y[0], x[0]); cout << rad1 << endl; double rad2 = atan2(y[1], x[1]); cout << rad2 << endl; double rad3 = atan2(y[2], x[2]); cout << rad3 << endl; if(rad3 < rad1 && rad2 < rad3 || rad1 < rad3 && rad3 < rad2) return true; else return false; } int main() { double x1, y1, x2, y2, x3, y3, xp, yp; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf\n", &x1, &y1, &x2, &y2, &x3, &y3, &xp, &yp) != EOF) { double x[3], y[3]; x[0] = x2 - x1; y[0] = y2 - y1; x[1] = x3 - x1; y[1] = y3 - y1; x[2] = xp - x1; y[2] = yp - y1; if(!judge(x, y)) { cout << "NO" << endl; break; } x[0] = x1 - x2; y[0] = y1 - y2; x[1] = x3 - x2; y[1] = y3 - y2; x[2] = xp - x2; y[2] = yp - y2; if(!judge(x, y)) { cout << "NO" << endl; break; } cout << "YES" << endl; } return 0; }
a.cc: In function 'bool judge(double*, double*)': a.cc:8:23: error: 'atan2' was not declared in this scope 8 | double rad1 = atan2(y[0], x[0]); | ^~~~~
s392129940
p00012
C++
#include <cstdio> #include <iostream> #include <cmath> using namespace std; bool judge(double x[2], double y[2]) { double cross = x[0] * y[1] - y[0] * x[1]; if(cross >= 0) return true; else return false; } int main() { double x1, y1, x2, y2, x3, y3, xp, yp; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf", &x1, &y1, &x2, &y2, &x3, &y3, &xp, &yp) != EOF) { double ax[2], ay[2]; x[0] = x2 - x1; y[0] = y2 - y1; x[1] = xp - x1; y[1] = yp - y1; double bx[2], by[2]; x[0] = x3 - x2; y[0] = y3 - y2; x[1] = xp - x2; y[1] = yp - y2; double cx[2], cy[2]; x[0] = x1 - x3; y[0] = y1 - y3; x[1] = xp - x3; y[1] = yp - y3; if(judge(ax, ay) && judge(bx, by) && judge(cx, cy) || !judge(ax, ay) && !judge(bx, by) && !judge(cx, cy)) { cout << "YES" << endl; } else { cout << "NO" << endl; } } return 0; }
a.cc: In function 'int main()': a.cc:17:17: error: 'x' was not declared in this scope; did you mean 'ax'? 17 | x[0] = x2 - x1; | ^ | ax a.cc:18:17: error: 'y' was not declared in this scope; did you mean 'ay'? 18 | y[0] = y2 - y1; | ^ | ay
s729862721
p00012
C++
#include <iostream> #include <iomanip> #include <math.h> #include <utility> #include <cstdlib> using namespace std; int main(){ int n; cin >> n; while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ bool ans=true; double x[3],y[3],xp,yp; cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp; //???????????¨???????????? double gaiseki[3]; //gaiseki[i]???????????????P0P1??¨????????????P0Q????????????z??§?¨? for(int i=0;i<3;i++){ int k = (i+1)%3; double vx,vy,vpx,vpy; vx = x[k]-x[i]; vy = y[k]-y[i]; vpx = xp-x[i]; vpy = yp-y[i]; gaiseki[i] = vx*vpy-vy*vpx; if(gaiseki[i]<=0) ans = false; } if(ans){ cout << "YES" << endl; }else{ cout << "NO" << endl; } } return 0; }
a.cc: In function 'int main()': a.cc:11:22: error: 'x' was not declared in this scope 11 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^ a.cc:11:30: error: 'y' was not declared in this scope 11 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^ a.cc:11:70: error: 'xp' was not declared in this scope; did you mean 'exp'? 11 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^~ | exp a.cc:11:76: error: 'yp' was not declared in this scope; did you mean 'yn'? 11 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^~ | yn
s829954920
p00012
C++
#include <iostream> #include <iomanip> #include <math.h> #include <utility> #include <cstdlib> using namespace std; int main(){ while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ bool ans=true; double x[3],y[3],xp,yp; cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp; //???????????¨???????????? double gaiseki[3]; //gaiseki[i]???????????????P0P1??¨????????????P0Q????????????z??§?¨? for(int i=0;i<3;i++){ int k = (i+1)%3; double vx,vy,vpx,vpy; vx = x[k]-x[i]; vy = y[k]-y[i]; vpx = xp-x[i]; vpy = yp-y[i]; gaiseki[i] = vx*vpy-vy*vpx; if(gaiseki[i]<=0) ans = false; } if(ans){ cout << "YES" << endl; }else{ cout << "NO" << endl; } } return 0; }
a.cc: In function 'int main()': a.cc:9:22: error: 'x' was not declared in this scope 9 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^ a.cc:9:30: error: 'y' was not declared in this scope; did you mean 'yn'? 9 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^ | yn a.cc:9:70: error: 'xp' was not declared in this scope; did you mean 'exp'? 9 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^~ | exp a.cc:9:76: error: 'yp' was not declared in this scope; did you mean 'yn'? 9 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp){ | ^~ | yn
s207981512
p00012
C++
#include <iostream> #include <iomanip> #include <math.h> #include <utility> #include <cstdlib> using namespace std; int main(){ double x[3],y[3],xp,yp; cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp) bool ans=true; for(int i=0;i<3;i++){ double gaiseki; int k = (i+1)%3; double vx,vy,vpx,vpy; vx = x[k]-x[i]; vy = y[k]-y[i]; vpx = xp-x[i]; vpy = yp-y[i]; gaiseki = vx*vpy-vy*vpx; if(gaiseki<=0) ans = false; } if(ans){ cout << "YES" << endl; }else{ cout << "NO" << endl; } return 0; }
a.cc: In function 'int main()': a.cc:10:72: error: expected ';' before ')' token 10 | cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp) | ^ | ; a.cc:21:40: error: 'ans' was not declared in this scope; did you mean 'abs'? 21 | if(gaiseki<=0) ans = false; | ^~~ | abs a.cc:23:20: error: 'ans' was not declared in this scope; did you mean 'abs'? 23 | if(ans){ | ^~~ | abs
s959764426
p00012
C++
#include <iostream> #include <iomanip> #include <math.h> #include <utility> #include <cstdlib> using namespace std; int main(){ double x[3],y[3],xp,yp; cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp bool ans=true; for(int i=0;i<3;i++){ double gaiseki; int k = (i+1)%3; double vx,vy,vpx,vpy; vx = x[k]-x[i]; vy = y[k]-y[i]; vpx = xp-x[i]; vpy = yp-y[i]; gaiseki = vx*vpy-vy*vpx; if(gaiseki<=0) ans = false; } if(ans){ cout << "YES" << endl; }else{ cout << "NO" << endl; } return 0; }
a.cc: In function 'int main()': a.cc:10:72: error: expected ';' before 'bool' 10 | cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> xp >> yp | ^ | ; 11 | bool ans=true; | ~~~~ a.cc:21:40: error: 'ans' was not declared in this scope; did you mean 'abs'? 21 | if(gaiseki<=0) ans = false; | ^~~ | abs a.cc:23:20: error: 'ans' was not declared in this scope; did you mean 'abs'? 23 | if(ans){ | ^~~ | abs
s828362127
p00012
C++
def side(p1, p2) #the line from p1(a,b) to p2(c,d). return [e,f,g] where ex+fy=g a,b = p1 c,d = p2 e = b - d f = c - a g = b*c - d*a return [e,f,g] end def between?(p1, p2, p3, q) #Is q between p1 ~ line from p2 to p3? a,b,c = side(p2,p3) dist_array = [p1, q].map{|point| (point[0]*a + point[1]*b - c).abs } if dist_array[0] > dist_array[1] return true else return false end end while num = gets a,b,c,d,e,f,g,h= num.split(' ').map(&:to_f) p1, p2, p3, q = [a,b],[c,d],[e,f],[g,h] if between?(p1, p2, p3, q) && between?(p2, p3, p1, q) && between?(p3, p1, p2, q) puts "YES" else puts "NO" end end
a.cc:2:5: error: invalid preprocessing directive #the 2 | #the line from p1(a,b) to p2(c,d). return [e,f,g] where ex+fy=g | ^~~ a.cc:12:5: error: invalid preprocessing directive #Is 12 | #Is q between p1 ~ line from p2 to p3? | ^~ a.cc:1:1: error: 'def' does not name a type 1 | def side(p1, p2) | ^~~ a.cc:15:4: error: expected unqualified-id before 'if' 15 | if dist_array[0] > dist_array[1] | ^~
s894985699
p00012
C++
import java.util.*; public class Main{ private static String a; static double xp,yp,z,x1,y1; public static double[] w(double[] x, double[] y) { x[2] = -x[2]; y[2] = -y[2]; z = (x[0] * y[1] )- (x[1] * y[0]); x1 = +(y[1] * x[2]) - (x[1] * y[2]); y1 = +(x[0] * y[2]) - (y[0] * x[2]); return new double[] { (x1 / z), (y1 / z) }; } public static void main(String [] args){ Scanner cs = new Scanner(System.in); double[] x = new double[3]; double[] y = new double[3]; while (cs.hasNextDouble()) { { for (int i = 0; i < 3; i++) { x[i] = cs.nextDouble(); y[i] = cs.nextDouble(); } xp = cs.nextDouble(); yp = cs.nextDouble(); for (int i = 0; i < 3; i++) { x[i] -= xp; y[i] -= yp; } } double[] X = w(x, y); if (X[0] >= 0 && X[1] >= 0) System.out.println("YES"); else System.out.println("NO"); } } }
a.cc:1:1: error: 'import' does not name a type 1 | import java.util.*; | ^~~~~~ a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:2:1: error: expected unqualified-id before 'public' 2 | public class Main{ | ^~~~~~
s279569203
p00012
C++
Ginclude <iostream> #include <algorithm> using namespace std; int check(double x1, double y1, double x2, double y2, double x3, double y3){ double ab = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); double bc = sqrt((x2 - x3) * (x2 - x3) + (y2 - y3) * (y2 - y3)); double ca = sqrt((x3 - x1) * (x3 - x1) + (y3 - y1) * (y3 - y1)); double s = (ab + bc + ca) * 0.5; double S = sqrt(s * (s - ab) * (s - bc) * (s - ca)); return S; } int main(){ cin.tie(0); ios::sync_with_stdio(false); double x1, y1, x2, y2, x3, y3, xp, yp; while(cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp){ double abc = check(x1, y1, x2, y2, x3, y3); double abp = check(x1, y1, x2, y2, xp, yp); double bcp = check(x2, y2, x3, y3, xp, yp); double cap = check(x3, y3, x1, y1, xp, yp); double var = abc - (abp + bcp + cap); if(var <= 0.001 && var >= -0.001){ cout << "YES" << endl; } else { cout << "NO" << endl; } } return 0; }
a.cc:1:1: error: 'Ginclude' does not name a type 1 | Ginclude <iostream> | ^~~~~~~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:62, from /usr/include/c++/14/algorithm:60, from a.cc:2: /usr/include/c++/14/ext/type_traits.h:164:35: error: 'constexpr const bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity 164 | __is_null_pointer(std::nullptr_t) | ^ /usr/include/c++/14/ext/type_traits.h:159:5: note: previous declaration 'template<class _Type> constexpr bool __gnu_cxx::__is_null_pointer(_Type)' 159 | __is_null_pointer(_Type) | ^~~~~~~~~~~~~~~~~ /usr/include/c++/14/ext/type_traits.h:164:26: error: 'nullptr_t' is not a member of 'std' 164 | __is_null_pointer(std::nullptr_t) | ^~~~~~~~~ In file included from /usr/include/c++/14/bits/stl_pair.h:60, from /usr/include/c++/14/bits/stl_algobase.h:64: /usr/include/c++/14/type_traits:295:27: error: 'size_t' has not been declared 295 | template <typename _Tp, size_t = sizeof(_Tp)> | ^~~~~~ /usr/include/c++/14/type_traits:666:33: error: 'nullptr_t' is not a member of 'std' 666 | struct is_null_pointer<std::nullptr_t> | ^~~~~~~~~ /usr/include/c++/14/type_traits:666:42: error: template argument 1 is invalid 666 | struct is_null_pointer<std::nullptr_t> | ^ /usr/include/c++/14/type_traits:670:48: error: template argument 1 is invalid 670 | struct is_null_pointer<const std::nullptr_t> | ^ /usr/include/c++/14/type_traits:674:51: error: template argument 1 is invalid 674 | struct is_null_pointer<volatile std::nullptr_t> | ^ /usr/include/c++/14/type_traits:678:57: error: template argument 1 is invalid 678 | struct is_null_pointer<const volatile std::nullptr_t> | ^ /usr/include/c++/14/type_traits:984:26: error: 'size_t' has not been declared 984 | template<typename _Tp, size_t _Size> | ^~~~~~ /usr/include/c++/14/type_traits:985:40: error: '_Size' was not declared in this scope 985 | struct __is_array_known_bounds<_Tp[_Size]> | ^~~~~ /usr/include/c++/14/type_traits:985:46: error: template argument 1 is invalid 985 | struct __is_array_known_bounds<_Tp[_Size]> | ^ /usr/include/c++/14/type_traits:1429:37: error: 'size_t' is not a member of 'std' 1429 | : public integral_constant<std::size_t, alignof(_Tp)> | ^~~~~~ /usr/include/c++/14/type_traits:1429:57: error: template argument 1 is invalid 1429 | : public integral_constant<std::size_t, alignof(_Tp)> | ^ /usr/include/c++/14/type_traits:1429:57: note: invalid template non-type parameter /usr/include/c++/14/type_traits:1438:37: error: 'size_t' is not a member of 'std' 1438 | : public integral_constant<std::size_t, 0> { }; | ^~~~~~ /usr/include/c++/14/type_traits:1438:46: error: template argument 1 is invalid 1438 | : public integral_constant<std::size_t, 0> { }; | ^ /usr/include/c++/14/type_traits:1438:46: note: invalid template non-type parameter /usr/include/c++/14/type_traits:1440:26: error: 'std::size_t' has not been declared 1440 | template<typename _Tp, std::size_t _Size> | ^~~ /usr/include/c++/14/type_traits:1441:21: error: '_Size' was not declared in this scope 1441 | struct rank<_Tp[_Size]> | ^~~~~ /usr/include/c++/14/type_traits:1441:27: error: template argument 1 is invalid 1441 | struct rank<_Tp[_Size]> | ^ /usr/include/c++/14/type_traits:1442:37: error: 'size_t' is not a member of 'std' 1442 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { }; | ^~~~~~ /usr/include/c++/14/type_traits:1442:65: error: template argument 1 is invalid 1442 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { }; | ^ /usr/include/c++/14/type_traits:1442:65: note: invalid template non-type parameter /usr/include/c++/14/type_traits:1446:37: error: 'size_t' is not a member of 'std' 1446 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { }; | ^~~~~~ /usr/include/c++/14/type_traits:1446:65: error: template argument 1 is invalid 1446 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { }; | ^ /usr/include/c++/14/type_traits:1446:65: note: invalid template non-type parameter /usr/include/c++/14/type_traits:1451:32: error: 'size_t' was not declared in this scope 1451 | : public integral_constant<size_t, 0> { }; | ^~~~~~ /usr/include/c++/14/type_traits:64:1: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>' 63 | #include <bits/version.h> +++ |+#include <cstddef> 64 | /usr/include/c++/14/type_traits:1451:41: error: template argument 1 is invalid 1451 | : public integral_constant<size_t, 0> { }; | ^ /usr/include/c++/14/type_traits:1451:41: note: invalid template non-type parameter /usr/include/c++/14/type_traits:1453:26: error: 'size_t' has not been declared 1453 | template<typename _Tp, size_t _Size> | ^~~~~~ /usr/include/c++/14/type_traits:1454:23: error: '_Size' was not declared in this scope 1454 | struct extent<_Tp[_Size], 0> | ^~~~~ /usr/include/c++/14/type_traits:1454:32: error: template argument 1 is invalid 1454 | struct extent<_Tp[_Size], 0> | ^ /usr/include/c++/14/type_traits:1455:32: error: 'size_t' was not declared in this scope 1455 | : public integral_constant<size_t, _Size> { }; | ^~~~~~ /usr/include/c++/14/type_traits:1455:32: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>' /usr/include/c++/14/type_traits:1455:40: error: '_Size' was not declared in this scope 1455 | : public integral_constant<size_t, _Size> { }; | ^~~~~ /usr/include/c++/14/type_traits:1455:45: error: template argument 1 is invalid 1455 | : public integral_constant<size_t, _Size> { }; | ^ /usr/include/c++/14/type_traits:1455:45: error: template argument 2 is invalid /usr/include/c++/14/type_traits:1457:42: error: 'size_t' has not been declared 1457 | template<typename _Tp, unsigned _Uint, size_t _Size> | ^~~~~~ /usr/include/c++/14/type_traits:1458:23: error: '_Size' was not declared in this scope 1458 | struct extent<_Tp[_Size], _Uint> | ^~~~~ /usr/include/c++/14/type_traits:1458:36: error: template argument 1 is invalid 1458 | struct extent<_Tp[_Size], _Uint> | ^ /usr/include/c++/14/type_traits:1463:32: error: 'size_t' was not declared in this scope 1463 | : public integral_constant<size_t, 0> { }; | ^~~~~~ /usr/include/c++/14/type_traits:1463:32: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>' /usr/include/c++/14/type_traits:1463:41: error: template argument 1 is invalid 1463 | : public integral_constant<size_t, 0> { }; | ^ /usr/include/c++/14/type_traits:1463:41: note: invalid template non-type parameter /usr/include/c++/14/type_traits:1857:26: error: 'size_t' does not name a type 1857 | { static constexpr size_t __size = sizeof(_Tp); }; | ^~~~~~ /usr/include/c++/14/type_traits:1857:26: note: 'size_t' is defined in header '<cstddef>'; this is probably fixable by adding '#include <cstddef>' /usr/include/c++/14/type_traits:1859:14: error: 'size_t' has not been declared 1859 | template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)> | ^~~~~~ /usr/include/c++/14/type_traits:1859:48: error: '_Sz' was not declared in this scope 1859 | template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)> | ^~~ /usr/include/c++/14/type_traits:1860:14: error: no default argument for '_Tp' 1860 | struct __select; | ^~~~~~~~ /usr/include/c++/14/type_traits:1862:14: error: 'size_t' has not been declared 1862 | template<size_t _Sz, typename _Uint, typename... _UInts> | ^~~~~~ /usr/include/c++/14/type_traits:1863:23: error: '_Sz' was not declared in this scope 1863 | struct __select<_Sz, _List<_Uint, _UInts...>, true> | ^~~ /usr/include/c++/14/type_traits:1863:57: error: template argument 1 is invalid 1863 | struct __select<_Sz, _List<_Uint, _UInts...>, true> | ^ /usr/include/c++/14/type_traits:1866:14: error: 'size_t' has not been declared 1866 | template<size_t _Sz, typename _Uint, typename... _UInts> | ^~~~~~ /usr/include/c++/14/type_traits:1867:23: error: '_Sz' was not declared in this scope 1867 | struct __select<_Sz, _List<_Uint, _UInts...>, false> | ^~~ /usr/include/c++/14/type_traits:1867:58: error: template argument 1 is invalid 1867 | struct __select<_Sz, _List<_Uint, _UInts...>, false>
s132775477
p00012
C++
#include <stdio.h> using namespace std; int main(){ double px,py; double tx[3],ty[3]; bool flag; bool v[3]; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&tx[0],&ty[0],&tx[1],&ty[1],&tx[2],&ty[2],&px,&py) == 8){ for(int i=0;i<3;i++){ tx[i]=tx[i]-px; ty[i]=ty[i]-py; } //t[i]→t[i+1]のベクトルに対してt[i]→(px,py)のベクトルが同じ方向を向いているかを判定する //t[i]を90度回転させたベクトルとの内積で求める for(int i=0;i<3;i++){ if((tx[i%3]*ty[(i+1)%3])-(ty[i%3]*tx[(i+1)%3])<0){ v[i]=true; }else{ v[i]=false; } } if(v[0]!=v[1]){ cout<<"NO"<<endl; }else if(v[1]!=v[2]){ cout<<"NO"<<endl; }else { cout<<"YES"<<endl; } } return 0; }
a.cc: In function 'int main()': a.cc:23:1: error: 'cout' was not declared in this scope 23 | cout<<"NO"<<endl; | ^~~~ a.cc:2:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' 1 | #include <stdio.h> +++ |+#include <iostream> 2 | using namespace std; a.cc:23:13: error: 'endl' was not declared in this scope 23 | cout<<"NO"<<endl; | ^~~~ a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' 1 | #include <stdio.h> +++ |+#include <ostream> 2 | using namespace std; a.cc:25:1: error: 'cout' was not declared in this scope 25 | cout<<"NO"<<endl; | ^~~~ a.cc:25:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:25:13: error: 'endl' was not declared in this scope 25 | cout<<"NO"<<endl; | ^~~~ a.cc:25:13: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' a.cc:27:1: error: 'cout' was not declared in this scope 27 | cout<<"YES"<<endl; | ^~~~ a.cc:27:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:27:14: error: 'endl' was not declared in this scope 27 | cout<<"YES"<<endl; | ^~~~ a.cc:27:14: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
s657939068
p00012
C++
#include <stdio.h> using namespace std; int main(){ double px,py; double tx[3],ty[3]; bool flag; bool v[3]; while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&tx[0],&ty[0],&tx[1],&ty[1],&tx[2],&ty[2],&px,&py) == 8){ for(int i=0;i<3;i++){ tx[i]=tx[i]-px; ty[i]=ty[i]-py; } for(int i=0;i<3;i++){ if((tx[i%3]*ty[(i+1)%3])-(ty[i%3]*tx[(i+1)%3])<0){ v[i]=true; }else{ v[i]=false; } } if(v[0]!=v[1]){ cout<<"NO"<<endl; }else if(v[1]!=v[2]){ cout<<"NO"<<endl; }else { cout<<"YES"<<endl; } } return 0; }
a.cc: In function 'int main()': a.cc:21:1: error: 'cout' was not declared in this scope 21 | cout<<"NO"<<endl; | ^~~~ a.cc:2:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' 1 | #include <stdio.h> +++ |+#include <iostream> 2 | using namespace std; a.cc:21:13: error: 'endl' was not declared in this scope 21 | cout<<"NO"<<endl; | ^~~~ a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' 1 | #include <stdio.h> +++ |+#include <ostream> 2 | using namespace std; a.cc:23:1: error: 'cout' was not declared in this scope 23 | cout<<"NO"<<endl; | ^~~~ a.cc:23:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:23:13: error: 'endl' was not declared in this scope 23 | cout<<"NO"<<endl; | ^~~~ a.cc:23:13: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' a.cc:25:1: error: 'cout' was not declared in this scope 25 | cout<<"YES"<<endl; | ^~~~ a.cc:25:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:25:14: error: 'endl' was not declared in this scope 25 | cout<<"YES"<<endl; | ^~~~ a.cc:25:14: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
s788035207
p00012
C++
#include <bits/stdc++.h> using namespace std; class D3 { public: long double X , Y , Z , EPS; D3(long double , long double , long double); bool operator== (D3 Partner); D3 operator*(long double); D3 operator/(long double); }; class Point :private D3 { public: Point(long double , long double , long double); long double getX(); long double getY(); long double getZ(); bool operator== (Point); long double S_point(Point , Point); }; class Vec { private: Point SP;//Starting Point ?§???? D3 D;//Direction ?????? Vec(D3 Direction_ , Point SP_); public: Vec(long double x_ , long double y_ , long double z_ , Point); Vec operator+(Vec Partner); Vec operator*(Vec Partner); Vec operator*(long double ld); Vec operator-(Vec Partner); Vec operator/(Vec Partner); Vec operator/(long double); bool operator== (Vec); Vec Cross_product(Vec); double Inner_product(Vec); Vec(Point A , Point B); Point getSP(); Point getGP(); D3 getD(); long double length(); Vec Unit_vec(); Vec Inverse_vec(); Vec Reverse_vec(); bool Vertical(Vec); bool Parallel(Vec); long double S_vec(Vec); }; //D3 D3::D3(long double x_ = 0.0L , long double y_ = 0.0L , long double z_ = 0.0L) { X = x_; Y = y_; Z = z_; EPS = 1e-9L; } bool D3::operator== (D3 Partner) { return abs(X - Partner.X) < EPS&&abs(Y - Partner.Y) < EPS&&abs(Z - Partner.Z) < EPS; } D3 D3::operator*(long double ld) { return D3(X*ld , Y*ld , Z*ld); } D3 D3::operator/(long double ld) { return *this*( ld*-1.L ); } //Point Point::Point(long double x_ = 0.0L , long double y_ = 0.0L , long double z_ = 0.0L) { X = x_; Y = y_; Z = z_; } //x??§?¨?????????? long double Point::getX() { return X; } //y??§?¨?????????? long double Point::getY() { return Y; } //z??§?¨?????????? long double Point::getZ() { return Z; } bool Point::operator== (Point Partner) { return D3(*this) == D3(Partner); } //??????????????¢???????±??????? long double Point::S_point(Point B , Point C) { Vec AB(*this , B) , AC(*this , C); return AB.S_vec(AC); } //Vec //??????????????¨?§??????????????????????????????? Vec::Vec(D3 Direction_ , Point SP_) { D = Direction_; SP = SP_; } //?§??????¨??????????????????????????????????????????????????? Vec::Vec(long double x_ = 0.0L , long double y_ = 0.0L , long double z_ = 0.0L , Point SP_ = Point()) { *this = Vec(D3(x_ , y_ , z_) , SP_); } Vec Vec::operator+(Vec Partner) { return Vec(D.X + Partner.D.X , D.Y + Partner.D.Y , D.Z + Partner.D.Z , SP); } Vec Vec::operator*(Vec Partner) { return Vec(D.X * Partner.D.X , D.Y * Partner.D.Y , D.Z * Partner.D.Z , SP); } Vec Vec::operator*(long double ld) { return Vec(D*ld , SP); } Vec Vec::operator-(Vec Partner) { return *this + ( Partner*( -1.L ) ); } Vec Vec::operator/(Vec Partner) { return Vec(D.X / Partner.D.X , D.Y / Partner.D.Y , D.Z / Partner.D.Z , SP); } Vec Vec::operator/(long double ld) { return *this*( 1.L / ld ); } bool Vec::operator== (Vec Partner) { return D == Partner.D&&SP == Partner.SP; } //?????? Vec Vec::Cross_product(Vec Partner) { return Vec(D.Y*Partner.D.Z - D.Z*Partner.D.Y , D.Z*Partner.D.X - D.X*Partner.D.Z , D.X*Partner.D.Y - D.Y*Partner.D.X); } //?????? double Vec::Inner_product(Vec Partner) { return D.X*Partner.D.X + D.Y*Partner.D.Y + D.Z*Partner.D.Z; } //??????????????????????????????????????? Vec::Vec(Point A , Point B) { *this = Vec(B.getX() - A.getX() , B.getY() - A.getY() , B.getZ() - A.getZ() , A); } //?§????????????? Point Vec::getSP() { return SP; } //??????????????? Point Vec::getGP() { return Point(SP.getX() + D.X , SP.getZ() + D.Z , SP.getZ() + D.Z); } //??????????????? D3 Vec::getD() { return D; } //??????????????? long double Vec::length() { return sqrtl(D.X*D.X + D.Y*D.Y + D.Z*D.Z); } //??????????????????(??????1)????????? Vec Vec::Unit_vec() { return Vec(*this) / ( *this ).length(); } //????????????????????????(?§??????????????????????) Vec Vec::Inverse_vec() { return ( *this )*-1.L; } //????????????????????????(?§??????¨???????????\????????????) Vec Vec::Reverse_vec() { return Vec(( *this ).Inverse_vec().getD() , ( *this ).getGP()); } //?????´???????????? bool Vec::Vertical(Vec Partner) { return ( *this ).Inner_product(Partner) == 0; } //?????????????????? bool Vec::Parallel(Vec Partner) { return ( *this ).Unit_vec().getD() == Partner.Unit_vec().getD() || ( *this ).Unit_vec().Inverse_vec().getD() == Partner.Unit_vec().getD(); } //???????§????2????????????????????¢???????±??????? long double Vec::S_vec(Vec B) { //if(( ( *this ).getSP() == B.getSP() )) { Vec G = ( *this ).Cross_product(B); return sqrtl(G.Inner_product(G)) / 2.L; } if(( *this ).getGP() == B.getSP()) { return ( *this ).Reverse_vec().S_vec(B); } if(( *this ).getSP() == B.getGP()) { return ( *this ).S_vec(B.Reverse_vec()); } if(( *this ).getGP() == B.getGP()) { return ( *this ).Reverse_vec().S_vec(B.Reverse_vec()); } return -1.L; } int main() { double x1 , y1 , x2 , y2 , x3 , y3 , xp , yp; while(cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { D3 X(x1 , y1) , Y(x2 , y2) , Z(x3 , y3) , P(xp , yp) , calc; if(abs(calc.S_point(X , Y , Z) - ( calc.S_point(X , Y , P) + calc.S_point(X , Z , P) + calc.S_point(Z , Y , P) )) < 1e-6) { cout << "YES" << endl; } else { cout << "NO" << endl; } } }
a.cc: In function 'int main()': a.cc:278:29: error: 'class D3' has no member named 'S_point' 278 | if(abs(calc.S_point(X , Y , Z) - ( calc.S_point(X , Y , P) + calc.S_point(X , Z , P) + calc.S_point(Z , Y , P) )) < 1e-6) | ^~~~~~~ a.cc:278:57: error: 'class D3' has no member named 'S_point' 278 | if(abs(calc.S_point(X , Y , Z) - ( calc.S_point(X , Y , P) + calc.S_point(X , Z , P) + calc.S_point(Z , Y , P) )) < 1e-6) | ^~~~~~~ a.cc:278:83: error: 'class D3' has no member named 'S_point' 278 | if(abs(calc.S_point(X , Y , Z) - ( calc.S_point(X , Y , P) + calc.S_point(X , Z , P) + calc.S_point(Z , Y , P) )) < 1e-6) | ^~~~~~~ a.cc:278:109: error: 'class D3' has no member named 'S_point' 278 | if(abs(calc.S_point(X , Y , Z) - ( calc.S_point(X , Y , P) + calc.S_point(X , Z , P) + calc.S_point(Z , Y , P) )) < 1e-6) | ^~~~~~~
s533751293
p00012
C++
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vl; typedef complex<double> P; typedef pair<int,int> pii; #define REP(i,n) for(ll i=0;i<n;++i) #define REPR(i,n) for(ll i=1;i<n;++i) #define FOR(i,a,b) for(ll i=a;i<b;++i) #define DEBUG(x) cout<<#x<<": "<<x<<endl #define DEBUG_VEC(v) cout<<#v<<":";REP(i,v.size())cout<<" "<<v[i];cout<<endl #define ALL(a) (a).begin(),(a).end() #define MOD (ll)(1e9+7) #define ADD(a,b) a=((a)+(b))%MOD #define FIX(a) ((a)%MOD+MOD)%MOD double dot(P a,P b){return real(conj(a)*b)}; double cross(P a,P b){return imag(conj(a)*b)}; int main(){ double x1,y1,x2,y2,x3,y3,xp,yp; while(~scanf("%lf%lf%lf%lf%lf%lf%lf%lf",&x1,&y1,&x2,&y2,&x3,&y3,&xp,&yp)){ P a(x1,y1), b(x2,y2), c(x3,y3), p(xp,yp); double cra = cross(b-a,p-a); double crb = cross(c-b,p-b); double crc = cross(a-c,p-c); if(cra<0){ cra*=-1; crb*=-1; crc*=-1; } if(cra>0 && crb>0 && crc>0){ cout<<"YES"<<endl; }else{ cout<<"NO"<<endl; } } return 0; }
a.cc: In function 'double dot(P, P)': a.cc:22:43: error: expected ';' before '}' token 22 | double dot(P a,P b){return real(conj(a)*b)}; | ^ | ; a.cc: In function 'double cross(P, P)': a.cc:23:45: error: expected ';' before '}' token 23 | double cross(P a,P b){return imag(conj(a)*b)}; | ^ | ;
s125750846
p00012
C++
import java.io.InputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.NoSuchElementException; import java.math.BigInteger; public class Main{ static PrintWriter out; static InputReader ir; static void solve(){ while(ir.hasNext()){ P[] ps=new P[3]; for(int i=0;i<3;i++) ps[i]=new P(ir.nextDouble(),ir.nextDouble()); P p=new P(ir.nextDouble(),ir.nextDouble()); double tot=0; for(int i=0;i<3;i++){ tot+=Math.abs(ps[i].sub(p).det(ps[(i+1)%3].sub(p))); } if(accurateTotal(-tot,Math.abs(ps[1].sub(ps[0]).det(ps[2].sub(ps[0]))))==0.0) out.println("YES"); else out.println("NO"); } } static final double EPS=1e-10; public static double accurateTotal(double a,double b){ if(Math.abs(a+b)<EPS*(Math.abs(a)+Math.abs(b))) return 0.0; return a+b; } static class P{ public double x,y; public P(double x,double y){ this.x=x; this.y=y; } public double getX(){ return this.x; } public double getY(){ return this.y; } public P add(P v){ return new P(accurateTotal(this.x,v.x),accurateTotal(this.y,v.y)); } public P sub(P v){ return new P(accurateTotal(this.x,-v.x),accurateTotal(this.y,-v.y)); } public P mul(double k){ return new P(this.x*k,this.y*k); } public double dot(P v){ return accurateTotal(this.x*v.x,this.y*v.y); } public double det(P v){ return accurateTotal(this.x*v.y,-this.y*v.x); } } public static void main(String[] args) throws Exception{ ir=new InputReader(System.in); out=new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer=new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) {this.in=in; this.curbuf=this.lenbuf=0;} public boolean hasNextByte() { if(curbuf>=lenbuf){ curbuf= 0; try{ lenbuf=in.read(buffer); }catch(IOException e) { throw new InputMismatchException(); } if(lenbuf<=0) return false; } return true; } private int readByte(){if(hasNextByte()) return buffer[curbuf++]; else return -1;} private boolean isSpaceChar(int c){return !(c>=33&&c<=126);} private void skip(){while(hasNextByte()&&isSpaceChar(buffer[curbuf])) curbuf++;} public boolean hasNext(){skip(); return hasNextByte();} public String next(){ if(!hasNext()) throw new NoSuchElementException(); StringBuilder sb=new StringBuilder(); int b=readByte(); while(!isSpaceChar(b)){ sb.appendCodePoint(b); b=readByte(); } return sb.toString(); } public int nextInt() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } int res=0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public long nextLong() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } long res = 0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public double nextDouble(){return Double.parseDouble(next());} public int[] nextIntArray(int n){ int[] a=new int[n]; for(int i=0;i<n;i++) a[i]=nextInt(); return a; } public long[] nextLongArray(int n){ long[] a=new long[n]; for(int i=0;i<n;i++) a[i]=nextLong(); return a; } public char[][] nextCharMap(int n,int m){ char[][] map=new char[n][m]; for(int i=0;i<n;i++) map[i]=next().toCharArray(); return map; } } }
a.cc:1:1: error: 'import' does not name a type 1 | import java.io.InputStream; | ^~~~~~ a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:2:1: error: 'import' does not name a type 2 | import java.io.IOException; | ^~~~~~ a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:3:1: error: 'import' does not name a type 3 | import java.io.PrintWriter; | ^~~~~~ a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:4:1: error: 'import' does not name a type 4 | import java.util.ArrayList; | ^~~~~~ a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:5:1: error: 'import' does not name a type 5 | import java.util.Arrays; | ^~~~~~ a.cc:5:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:6:1: error: 'import' does not name a type 6 | import java.util.Comparator; | ^~~~~~ a.cc:6:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:7:1: error: 'import' does not name a type 7 | import java.util.InputMismatchException; | ^~~~~~ a.cc:7:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:8:1: error: 'import' does not name a type 8 | import java.util.NoSuchElementException; | ^~~~~~ a.cc:8:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:9:1: error: 'import' does not name a type 9 | import java.math.BigInteger; | ^~~~~~ a.cc:9:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:11:1: error: expected unqualified-id before 'public' 11 | public class Main{ | ^~~~~~
s144097941
p00012
C++
$ cat A_point_in_a_triangle.cpp #include<bits\stdc++.h> #define range(i,a,b) for(int i = (a); i < (b); i++) #define rep(i,b) range(i,0,b) #define pb(a) push_back(a) #define all(a) (a).begin(), (a),end() #define debug(x) cout << "debug " << x << endl; using namespace std; double dist(double x1, double y1, double x2, double y2){ return sqrt( ((x2 - x1) * (x2 - x1)) + ((y2 - y1) * (y2 - y1)) ); } double triangleArea(double x, double y, double z){ return (y * z * sin( acos( (y * y + z * z - x * x) / (2 * y * z) ) )) / 2; } double inputXY(double x1, double y1, double x2, double y2, double x3, double y3){ double x, y ,z; x = dist(x1, y1, x2, y2); y = dist(x2, y2, x3, y3); z = dist(x3, y3, x1, y1); return triangleArea(x, y, z); } int main(){ double x1, y1, x2, y2, x3, y3, xp, yp; double allArea, area12, area23, area31; cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp; allArea = inputXY(x1, y1, x2, y2, x3, y3); area12 = inputXY(xp, yp, x2, y2, x1, y1); area23 = inputXY(x2, y2, x3, y3, xp, yp); area31 = inputXY(x3, y3, x1, y1, xp, yp); if(abs(allArea - (area12 + area23 + area31)) < 0.00001) cout << "YES" << endl; else cout << "NO" << endl; }
a.cc:2:9: fatal error: bits\stdc++.h: No such file or directory 2 | #include<bits\stdc++.h> | ^~~~~~~~~~~~~~~ compilation terminated.
s338336908
p00012
C++
#include<bits\stdc++.h> #define range(i,a,b) for(int i = (a); i < (b); i++) #define rep(i,b) range(i,0,b) #define pb(a) push_back(a) #define all(a) (a).begin(), (a),end() #define debug(x) cout << "debug " << x << endl; using namespace std; double dist(double x1, double y1, double x2, double y2){ return sqrt( ((x2 - x1) * (x2 - x1)) + ((y2 - y1) * (y2 - y1)) ); } double triangleArea(double x, double y, double z){ return (y * z * sin( acos( (y * y + z * z - x * x) / (2 * y * z) ) )) / 2; } double inputXY(double x1, double y1, double x2, double y2, double x3, double y3){ double x, y ,z; x = dist(x1, y1, x2, y2); y = dist(x2, y2, x3, y3); z = dist(x3, y3, x1, y1); return triangleArea(x, y, z); } int main(){ double x1, y1, x2, y2, x3, y3, xp, yp; double allArea, area12, area23, area31; cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp; allArea = inputXY(x1, y1, x2, y2, x3, y3); area12 = inputXY(xp, yp, x2, y2, x1, y1); area23 = inputXY(x2, y2, x3, y3, xp, yp); area31 = inputXY(x3, y3, x1, y1, xp, yp); if(abs(allArea - (area12 + area23 + area31)) < 0.00001) cout << "YES" << endl; else cout << "NO" << endl; }
a.cc:1:9: fatal error: bits\stdc++.h: No such file or directory 1 | #include<bits\stdc++.h> | ^~~~~~~~~~~~~~~ compilation terminated.
s320608404
p00012
C++
#include<bits\stdc++.h> #define range(i,a,b) for(int i = (a); i < (b); i++) #define rep(i,b) range(i,0,b) #define pb(a) push_back(a) #define all(a) (a).begin(), (a),end() #define debug(x) cout << "debug " << x << endl; using namespace std; double dist(double x1, double y1, double x2, double y2){ return sqrt( ((x2 - x1) * (x2 - x1)) + ((y2 - y1) * (y2 - y1)) ); } double triangleArea(double x, double y, double z){ return (y * z * sin( acos( (y * y + z * z - x * x) / (2 * y * z) ) )) / 2; } double inputXY(double x1, double y1, double x2, double y2, double x3, double y3){ double x, y ,z; x = dist(x1, y1, x2, y2); y = dist(x2, y2, x3, y3); z = dist(x3, y3, x1, y1); return triangleArea(x, y, z); } int main(){ double x1, y1, x2, y2, x3, y3, xp, yp; double allArea, area12, area23, area31; cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp; allArea = inputXY(x1, y1, x2, y2, x3, y3); area12 = inputXY(xp, yp, x2, y2, x1, y1); area23 = inputXY(x2, y2, x3, y3, xp, yp); area31 = inputXY(x3, y3, x1, y1, xp, yp); if(abs(allArea - (area12 + area23 + area31)) < 0.00001) cout << "YES" << endl; else cout << "NO" << endl; }
a.cc:1:9: fatal error: bits\stdc++.h: No such file or directory 1 | #include<bits\stdc++.h> | ^~~~~~~~~~~~~~~ compilation terminated.
s037112290
p00012
C++
#include<bits\stdc++.h> #define range(i,a,b) for(int i = (a); i < (b); i++) #define rep(i,b) range(i,0,b) #define pb(a) push_back(a) #define all(a) (a).begin(), (a),end() #define debug(x) cout << "debug " << x << endl; using namespace std; double dist(double x1, double y1, double x2, double y2){ return sqrt( ((x2 - x1) * (x2 - x1)) + ((y2 - y1) * (y2 - y1)) ); } double triangleArea(double x, double y, double z){ return (y * z * sin( acos( (y * y + z * z - x * x) / (2 * y * z) ) )) / 2; } double inputXY(double x1, double y1, double x2, double y2, double x3, double y3){ double x, y ,z; x = dist(x1, y1, x2, y2); y = dist(x2, y2, x3, y3); z = dist(x3, y3, x1, y1); return triangleArea(x, y, z); } int main(){ double x1, y1, x2, y2, x3, y3, xp, yp; double allArea, area12, area23, area31; cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp; allArea = inputXY(x1, y1, x2, y2, x3, y3); area12 = inputXY(xp, yp, x2, y2, x1, y1); area23 = inputXY(x2, y2, x3, y3, xp, yp); area31 = inputXY(x3, y3, x1, y1, xp, yp); if(abs(allArea - (area12 + area23 + area31)) < 0.00001) cout << "YES" << endl; else cout << "NO" << endl; return 0; }
a.cc:1:9: fatal error: bits\stdc++.h: No such file or directory 1 | #include<bits\stdc++.h> | ^~~~~~~~~~~~~~~ compilation terminated.
s189418341
p00012
C++
#include<iostream> using namespace std; struct Point { long double px, py; }; long double dot(const Point& a, const Point& b) { return a.px * b.px + a.py * b.py; } long double crs(const Point& a, const Point& b) { return a.px * b.py - a.py * b.px; } long double norm(Point a) { return a.x*a.x + a.y*a.y; } Point Minus(Point p1, Point p2) { Point A1; A1.px = p1.px - p2.px; A1.py = p1.py - p2.py; return A1; } int ccw(Point p0, Point p1, Point p2) { Point a = Minus(p1, p0), b = Minus(p2, p0); if (crs(a, b) > 1e-10) return 1; if (crs(a, b) < -1e-10) return -1; if (dot(a, b) < -1e-10) return 2; if (norm(a) < norm(b)) return -2; return 0; } bool its(Point p1, Point p2, Point p3, Point p4) { return (ccw(p1, p2, p3) * ccw(p1, p2, p4) <= 0 && ccw(p3, p4, p1) * ccw(p3, p4, p2) <= 0); } Point P1, P2, P3, P4; int main() { while (cin >> P1.px >> P1.py >> P2.px >> P2.py >> P3.px >> P3.py >> P4.px >> P4.py) { int OK = 0; if (its(P1, P2, P3, P4) == true) { OK = 1; } if (its(P1, P3, P2, P4) == true) { OK = 1; } if (its(P1, P4, P2, P3) == true) { OK = 1; } if (OK == 1) { cout << "NO" << endl; } else { cout << "YES" << endl; } } }
a.cc: In function 'long double norm(Point)': a.cc:6:38: error: 'struct Point' has no member named 'x'; did you mean 'px'? 6 | long double norm(Point a) { return a.x*a.x + a.y*a.y; } | ^ | px a.cc:6:42: error: 'struct Point' has no member named 'x'; did you mean 'px'? 6 | long double norm(Point a) { return a.x*a.x + a.y*a.y; } | ^ | px a.cc:6:48: error: 'struct Point' has no member named 'y'; did you mean 'py'? 6 | long double norm(Point a) { return a.x*a.x + a.y*a.y; } | ^ | py a.cc:6:52: error: 'struct Point' has no member named 'y'; did you mean 'py'? 6 | long double norm(Point a) { return a.x*a.x + a.y*a.y; } | ^ | py
s781390575
p00012
C++
#include<bits/stdc++.h> using namespace std; int main(){ double x1, y1, x2, y2, x3, y3, xp, yp; while(cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp){ double a = x1*(y2 - y3) + x2*(y3 - y1) + x3*(y1 - y2); double b = x*(y1 - y2) + x1*(y2 - y) + x2*(y - y1); double c = x*(y2 - y3) + x2*(y3 - y) + x3*(y - y2); double d = x*(y3 - y1) + x3*(y1 - y) + x1*(y - y3); if((a<0 && b<0 && c<0 && d<0) || (a>0 && b>0 && c>0 && d>0)) puts("YES"); else puts("NO"); } }
a.cc: In function 'int main()': a.cc:11:16: error: 'x' was not declared in this scope 11 | double b = x*(y1 - y2) + x1*(y2 - y) + x2*(y - y1); | ^ a.cc:11:39: error: 'y' was not declared in this scope 11 | double b = x*(y1 - y2) + x1*(y2 - y) + x2*(y - y1); | ^
s479079037
p00012
C++
using namespace std; typedef complex<double> xy_t; xy_t a, b, c, p; double x1, x2, x3, xp, y_1, y2, y3, yp; double s1, s2, s3; int main() { while(cin >> x1 >> y_1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { a=xy_t(x1, y_1); b=xy_t(x2, y2); c=xy_t(x3, y3); p=xy_t(xp, yp); s1=(conj(a-p)*(b-p)).imag(); s2=(conj(b-p)*(c-p)).imag(); s3=(conj(c-p)*(a-p)).imag(); if(((s1>0)&&(s2>0)&&(s3>0))||((s1<0)&&(s2<0)&&(s3<0))) { cout << "YES" << endl; } else { cout << "NO" << endl; } } return 0; }
a.cc:2:9: error: 'complex' does not name a type 2 | typedef complex<double> xy_t; | ^~~~~~~ a.cc:3:1: error: 'xy_t' does not name a type 3 | xy_t a, b, c, p; | ^~~~ a.cc: In function 'int main()': a.cc:8:15: error: 'cin' was not declared in this scope 8 | while(cin >> x1 >> y_1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) | ^~~ a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' +++ |+#include <iostream> 1 | using namespace std; a.cc:10:17: error: 'a' was not declared in this scope 10 | a=xy_t(x1, y_1); | ^ a.cc:10:19: error: 'xy_t' was not declared in this scope 10 | a=xy_t(x1, y_1); | ^~~~ a.cc:11:17: error: 'b' was not declared in this scope 11 | b=xy_t(x2, y2); | ^ a.cc:12:17: error: 'c' was not declared in this scope 12 | c=xy_t(x3, y3); | ^ a.cc:13:17: error: 'p' was not declared in this scope; did you mean 'yp'? 13 | p=xy_t(xp, yp); | ^ | yp a.cc:14:21: error: 'conj' was not declared in this scope 14 | s1=(conj(a-p)*(b-p)).imag(); | ^~~~ a.cc:19:25: error: 'cout' was not declared in this scope 19 | cout << "YES" << endl; | ^~~~ a.cc:19:25: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:19:42: error: 'endl' was not declared in this scope 19 | cout << "YES" << endl; | ^~~~ a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' +++ |+#include <ostream> 1 | using namespace std; a.cc:23:25: error: 'cout' was not declared in this scope 23 | cout << "NO" << endl; | ^~~~ a.cc:23:25: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:23:41: error: 'endl' was not declared in this scope 23 | cout << "NO" << endl; | ^~~~ a.cc:23:41: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
s543915655
p00012
C++
#include<iostream> #include<complex> #include<cmath> #include<queue> using namespace std; typedef complex<double> xy_t; double cross_product(xy_t p,xy_t q); { return (conj(p)*q).imag(); } int main() { double x[4],y[4]; while(true){ for( int i = 0; i < 4; ++i) cin >> x[i] >> y[i]; if(!cin) break; xy_t a(x[0],y[0]),b(x[1],y[1]),c(x[2],y[2]),p(x[3],y[3]); double S1,S2,S3; S1 = cross_product(a - p, b - p); S2 = cross_product(b - p, c - p); S3 = cross_product(c - p, a - p); bool ok = (S1 > 0 && S2 > 0 && S3 > 0) || (S1 < 0 && S2 < 0 && S3 < 0); cout << (ok ? "YES":"NO") << endl; } }
a.cc:8:1: error: expected unqualified-id before '{' token 8 | { | ^
s510835495
p00012
C++
#include<iostream> #include<algorithm> using namespace std; double x[4],y[4],r[3]; void che(a,b){ if(x[a]>x[b]){ swap(x[a],x[b]); swap(y[a],y[b]); } } int main(){ int m=0; while(cin>>x[0]>>y[0]>>x[1]>>y[1]>>x[2]>>y[2]>>x[3]>>y[3]){ che(0,1); che(1,2); che(0,1); if(y[0]<=y[3] && y[3]<=y[1]){ r[0]=x[0]+(x[2]-x[0])*(y[3]-y[0])/(y[2]-y[0]); r[1]=x[0]+(x[1]-x[0])*(y[3]-y[0])/(y[1]-y[0]); if(r[0]>r[1])swap(r[0],r[1]); }else if(y[1]<=y[3] && y[3]<=y[2]){ r[0]=x[2]+(x[0]-x[2])*(y[2]-y[3])/(y[2]-y[0]); r[1]=x[2]+(x[1]-x[2])*(y[2]-y[3])/(y[2]-y[1]); if(r[0]>r[1])swap(r[0],r[1]); }else{ cout<<"NO"<<endl; continue; } if(r[0]<=x[3] && x[3]<=r[1]){ cout<<"YES"<<endl; }else{ cout<<"NO"<<endl; } } return 0; }
a.cc:5:6: error: variable or field 'che' declared void 5 | void che(a,b){ | ^~~ a.cc:5:10: error: 'a' was not declared in this scope 5 | void che(a,b){ | ^ a.cc:5:12: error: 'b' was not declared in this scope 5 | void che(a,b){ | ^ a.cc: In function 'int main()': a.cc:14:17: error: 'che' was not declared in this scope 14 | che(0,1); | ^~~
s024588328
p00012
C++
#include<iostream> using namespace std; double cross(double x1, double y1, double x2, double y2){ return (x1 * y2) - (y1 * x2); } int main(){ double x[3], y[3], x, y; while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> px >> py){ double ret[3]; for(int i = 0; i < 3; ++i ){ int n =( i+1 ) % 3; ret[i] = cross( px - x[i], py - y[i], x[n] - x[i], y[n] - y[i] ); } if(ret[0] < 0 && ret[1] < 0 && ret[2] < 0 || ret[0] > 0 && ret[1] > 0 && ret[2] > 0) cout << "YES" << endl; else cout << "NO" << endl; } }
a.cc: In function 'int main()': a.cc:7:28: error: conflicting declaration 'double x' 7 | double x[3], y[3], x, y; | ^ a.cc:7:16: note: previous declaration as 'double x [3]' 7 | double x[3], y[3], x, y; | ^ a.cc:7:31: error: conflicting declaration 'double y' 7 | double x[3], y[3], x, y; | ^ a.cc:7:22: note: previous declaration as 'double y [3]' 7 | double x[3], y[3], x, y; | ^ a.cc:8:70: error: 'px' was not declared in this scope; did you mean 'x'? 8 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> px >> py){ | ^~ | x a.cc:8:76: error: 'py' was not declared in this scope; did you mean 'y'? 8 | while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> px >> py){ | ^~ | y
s163764995
p00012
C++
#include <iostream> using namespace std; class point{ // as necessary private: static const double EPS=1e-5; public: static const int COUNTER_CLOCKWISE=1; static const int CLOCKWISE=-1; static const int ONLINE_BACK=2; static const int ONLINE_FRONT=-2; static const int ON_SEGMENT=0; double x; double y; point(double x=0,double y=0):x(x),y(y){} point operator+(point p){return point(x+p.x,y+p.y);} point operator-(point p){return point(x-p.x,y-p.y);} point operator*(const double a){return point(x*a,y*a);} point operator/(const double a){return point(x/a,y/a);} static double dot(const point &p1,const point &p2){ return p1.x*p2.x+p1.y*p2.y; } double norm(){ return x*x+y*y; } double abs(){ return sqrt(norm()); } static double cross(point p1,point p2){ return p1.x*p2.y-p1.y*p2.x; } static int ccw(point p0,point p1,point p2){ point a=p1-p0; // ??????p0p1 point b=p2-p0; // ??????p0p2 if(cross(a,b)>EPS) return COUNTER_CLOCKWISE; // a????????????b??????????¨? if(cross(a,b)<-EPS) return CLOCKWISE; // a????????????b???????¨? if(dot(a,b)<-EPS) return ONLINE_BACK; // p2-p0-p1???????????¢??? if(a.norm(),b.norm()) return ONLINE_FRONT; // p0-p1-p2???????????¢??? return ON_SEGMENT; // p0-p2-p1???????????¢??? } }; int main(void){ double x,y; while(cin>>x>>y){ int rcw=0; int cw=0; point a(x,y); cin>>x>>y; point b(x,y); cin>>x>>y; point c(x,y); cin>>x>>y; point d(x,y); switch(point::ccw(d,a,b)){ case point::COUNTER_CLOCKWISE:rcw++;break; case point::CLOCKWISE:cw++;break; } switch(point::ccw(d,b,c)){ case point::COUNTER_CLOCKWISE:rcw++;break; case point::CLOCKWISE:cw++;break; } switch(point::ccw(d,c,a)){ case point::COUNTER_CLOCKWISE:rcw++;break; case point::CLOCKWISE:cw++;break; } if(rcw==1&&cw==2)cout<<"NO"<<endl; else cout<<"YES"<<endl; } }
a.cc:6:37: error: 'constexpr' needed for in-class initialization of static data member 'const double point::EPS' of non-integral type [-fpermissive] 6 | static const double EPS=1e-5; | ^~~ a.cc: In member function 'double point::abs()': a.cc:32:32: error: 'sqrt' was not declared in this scope 32 | return sqrt(norm()); | ^~~~
s521740937
p00012
C++
#include <bits/stdc++.h> using namespace std; using db = double; const db eps = 1e-6; struct poi { db x, y; void r() { cin >> x >> y; } poi operator -(poi p) { return {x - p.x, y - p.y}; } db cross(poi p) { return x * p.y - y * p.x; } }; db xmul(poi a, poi b, poi c) { return (b - a).cross(c - a); } int main() { ios :: sync_with_stdio(false); poi a, b, c, p; while(cin >> a.x >> a.y) { b.r(); c.r(); p.r(); poi s = abs(xmul(a, b, c)); poi t = abs(xmul(p, a, b)) + abs(xmul(p, b, c)) + abs(xmul(p, c, a)); if(s < t + eps && t < s + eps) cout << "YES\n"; else cout << "NO\n"; } return 0; }
a.cc: In function 'int main()': a.cc:26:28: error: conversion from 'double' to non-scalar type 'poi' requested 26 | poi s = abs(xmul(a, b, c)); | ~~~^~~~~~~~~~~~~~~ a.cc:27:65: error: conversion from 'double' to non-scalar type 'poi' requested 27 | poi t = abs(xmul(p, a, b)) + abs(xmul(p, b, c)) + abs(xmul(p, c, a)); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ a.cc:28:26: error: no match for 'operator+' (operand types are 'poi' and 'const db' {aka 'const double'}) 28 | if(s < t + eps && t < s + eps) | ~ ^ ~~~ | | | | poi const db {aka const double} In file included from /usr/include/c++/14/bits/stl_algobase.h:67, from /usr/include/c++/14/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_iterator.h:627:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename reverse_iterator<_Iterator>::difference_type, const reverse_iterator<_Iterator>&)' 627 | operator+(typename reverse_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:627:5: note: template argument deduction/substitution failed: a.cc:28:28: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'const db' {aka 'const double'} 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/stl_iterator.h:1798:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)' 1798 | operator+(typename move_iterator<_Iterator>::difference_type __n, | ^~~~~~~~ /usr/include/c++/14/bits/stl_iterator.h:1798:5: note: template argument deduction/substitution failed: a.cc:28:28: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'const db' {aka 'const double'} 28 | if(s < t + eps && t < s + eps) | ^~~ In file included from /usr/include/c++/14/string:54, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52: /usr/include/c++/14/bits/basic_string.h:3598:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3598 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3598:5: note: template argument deduction/substitution failed: a.cc:28:28: note: 'poi' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3616:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3616 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3616:5: note: template argument deduction/substitution failed: a.cc:28:28: note: mismatched types 'const _CharT*' and 'poi' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3635:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3635 | operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs) | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3635:5: note: template argument deduction/substitution failed: a.cc:28:28: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'const db' {aka 'const double'} 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3652:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)' 3652 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3652:5: note: template argument deduction/substitution failed: a.cc:28:28: note: 'poi' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3670:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)' 3670 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs) | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3670:5: note: template argument deduction/substitution failed: a.cc:28:28: note: 'poi' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3682:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 3682 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3682:5: note: template argument deduction/substitution failed: a.cc:28:28: note: 'poi' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3689:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 3689 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3689:5: note: template argument deduction/substitution failed: a.cc:28:28: note: 'poi' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3696:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 3696 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3696:5: note: template argument deduction/substitution failed: a.cc:28:28: note: 'poi' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3719:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 3719 | operator+(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3719:5: note: template argument deduction/substitution failed: a.cc:28:28: note: mismatched types 'const _CharT*' and 'poi' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3726:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)' 3726 | operator+(_CharT __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3726:5: note: template argument deduction/substitution failed: a.cc:28:28: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'const db' {aka 'const double'} 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3733:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)' 3733 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3733:5: note: template argument deduction/substitution failed: a.cc:28:28: note: 'poi' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 28 | if(s < t + eps && t < s + eps) | ^~~ /usr/include/c++/14/bits/basic_string.h:3740:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)' 3740 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, | ^~~~~~~~ /usr/include/c++/14/bits/basic_string.h:3740:5: note: template argument deduction/substit
s704945076
p00012
C++
#include <iostream> using namespace std; struct TPoint { double x; double y; }; double GetCrossProduct(const TPoint& V1, const TPoint& V2) { return V1.x * V2.y - V1.y * V2.x; } double Vector(const TPoint& P1, const TPoint& P2) { return {P2.x - P1.x, P2.y - P1.y}; } bool IsSameSide(const TPoint& P1, const TPoint& P2, const TPoint& L1, const TPoint& L2) { return GetCrossProduct(Vector(L1, P1), Vector(L1, L2)) * GetCrossProduct(Vector(L1, P2), Vector(L1, L2)) > 0; } int main() { while(true){ TPoint A1, A2, A3, Ap; cin >> A1.x >> A1.y >> A2.x >> A2.y >> A3.x >> A3.y >> Ap.x >> Ap.y; if(cin.eof() == true) break; if(IsSameSide(A3, Ap, A1, A2) && IsSameSide(A1, Ap, A2, A3) && IsSameSide(A2, Ap, A3, A1)){ cout << "YES" << endl; }else{ cout << "NO" << endl; } } return 0; }
a.cc: In function 'double Vector(const TPoint&, const TPoint&)': a.cc:17:41: error: cannot convert '<brace-enclosed initializer list>' to 'double' in return 17 | return {P2.x - P1.x, P2.y - P1.y}; | ^ a.cc: In function 'bool IsSameSide(const TPoint&, const TPoint&, const TPoint&, const TPoint&)': a.cc:22:38: error: invalid initialization of reference of type 'const TPoint&' from expression of type 'double' 22 | return GetCrossProduct(Vector(L1, P1), Vector(L1, L2)) * GetCrossProduct(Vector(L1, P2), Vector(L1, L2)) > 0; | ~~~~~~^~~~~~~~ a.cc:10:38: note: in passing argument 1 of 'double GetCrossProduct(const TPoint&, const TPoint&)' 10 | double GetCrossProduct(const TPoint& V1, const TPoint& V2) | ~~~~~~~~~~~~~~^~ a.cc:22:88: error: invalid initialization of reference of type 'const TPoint&' from expression of type 'double' 22 | return GetCrossProduct(Vector(L1, P1), Vector(L1, L2)) * GetCrossProduct(Vector(L1, P2), Vector(L1, L2)) > 0; | ~~~~~~^~~~~~~~ a.cc:10:38: note: in passing argument 1 of 'double GetCrossProduct(const TPoint&, const TPoint&)' 10 | double GetCrossProduct(const TPoint& V1, const TPoint& V2) | ~~~~~~~~~~~~~~^~
s249628667
p00012
C++
#include<iostream> using namespace std; int main() double x { double x1,y1,x2,y2,x3,y3,xp,yp; while(cin>>x1>>y1>>x2>>y2>>x3>>y3>>xp>>yp) { if(y1<y2&&y3<y2) { for(double i=x1;i<=x3;i+=0.0001) {x=i; if((y1-y2)/(x1-x2)*x+y1-((y1-y2)/(x1-x2)*x1)>(y1-y2)/(x1-x2)*xp+y1-((y1-y2)/(x1-x2)*x1)&&(y2-y3)/(x2-x3)*x+y2-((y2-y3)/(x2-x3)*x2)>(y2-y3)/(x2-x3)*xp+y2-((y2-y3)/(x2-x3)*x2)&&(y1-y3)/(x1-x3)*x+y1-((y1-y3)/(x1-x3)*x2)<(y1-y3)/(x1-x3)*xp+y1-((y1-y3)/(x1-x3)*x1)) { cout<<"YES"<<endl; break; } } else if(y1>y2&&y1>y1) { for(double i=x1;i<=x3;i+=0.0001) {x=i; if((y1-y2)/(x1-x2)*x+y1-((y1-y2)/(x1-x2)*x1)>(y1-y2)/(x1-x2)*xp+y1-((y1-y2)/(x1-x2)*x1)&&(y2-y3)/(x2-x3)*x+y2-((y2-y3)/(x2-x3)*x2)<(y2-y3)/(x2-x3)*xp+y2-((y2-y3)/(x2-x3)*x2)&&(y1-y3)/(x1-x3)*x+y1-((y1-y3)/(x1-x3)*x2)>(y1-y3)/(x1-x3)*xp+y1-((y1-y3)/(x1-x3)*x1)) { cout<<"YES"<<endl; break; } } } else if(y3>y1&&y3>y2) { for(double i=x1;i<=x3;i+=0.0001) {x=i; if((y1-y2)/(x1-x2)*x+y1-((y1-y2)/(x1-x2)*x1)<(y1-y2)/(x1-x2)*xp+y1-((y1-y2)/(x1-x2)*x1)&&(y2-y3)/(x2-x3)*x+y2-((y2-y3)/(x2-x3)*x2)>(y2-y3)/(x2-x3)*xp+y2-((y2-y3)/(x2-x3)*x2)&&(y1-y3)/(x1-x3)*x+y1-((y1-y3)/(x1-x3)*x2)>(y1-y3)/(x1-x3)*xp+y1-((y1-y3)/(x1-x3)*x1)) { cout<<"YES"<<endl; break; } else { cout<<"NO"<<endl; } return 0; }
a.cc:4:1: error: expected initializer before 'double' 4 | double x | ^~~~~~
s960108040
p00012
C++
import java.util.*; import java.io.*; import java.math.*; public class Main { public static void main(String args[])throws Exception{ Scanner cin= new Scanner(System.in); while(cin.hasNextDouble()){ double in[] = new double[8]; for(int i=0;i<8;i++) in[i]= cin.nextDouble(); int t1,t2,t3; t1= java.awt.geom.Line2D.relativeCCW(in[0],in[1],in[2],in[3],in[6],in[7]); t2= java.awt.geom.Line2D.relativeCCW(in[2],in[3],in[4],in[5],in[6],in[7]); t3= java.awt.geom.Line2D.relativeCCW(in[4],in[5],in[0],in[1],in[6],in[7]); if((t1==1 && t2==1 && t3==1) || (t1==-1 && t2==-1 && t3==-1)) System.out.println("YES"); else System.out.println("NO"); } } }
a.cc:1:1: error: 'import' does not name a type 1 | import java.util.*; | ^~~~~~ a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:2:1: error: 'import' does not name a type 2 | import java.io.*; | ^~~~~~ a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:3:1: error: 'import' does not name a type 3 | import java.math.*; | ^~~~~~ a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:5:1: error: expected unqualified-id before 'public' 5 | public class Main { | ^~~~~~
s556911540
p00012
C++
import java.util.Scanner; class Main { public static void main(String args[]) { Scanner sc = new Scanner(System.in); while (true) { double x1, y1, x2, y2, x3, y3, xp, yp; try { x1 = sc.nextDouble(); y1 = sc.nextDouble(); x2 = sc.nextDouble(); y2 = sc.nextDouble(); x3 = sc.nextDouble(); y3 = sc.nextDouble(); xp = sc.nextDouble(); yp = sc.nextDouble(); } catch (Exception e) { break; } if (!((f(x1, y1, x2, y2, x3) < y3 && f(x1, y1, x2, y2, xp) < yp) || (f(x1, y1, x2, y2, x3) > y3 && f(x1, y1, x2, y2, xp) > yp) )) { System.out.println("NO"); continue; } if (!((f(x2, y2, x3, y3, x1) < y1 && f(x2, y2, x3, y3, xp) < yp) || (f(x2, y2, x3, y3, x1) > y1 && f(x2, y2, x3, y3, xp) > yp) )) { System.out.println("NO"); continue; } if (!((f(x3, y3, x1, y1, x2) < y2 && f(x3, y3, x1, y1, xp) < yp) || (f(x3, y3, x1, y1, x2) > y2 && f(x3, y3, x1, y1, xp) > yp) )) { System.out.println("NO"); continue; } System.out.println("YES"); } } private static double f(double x1, double y1, double x2, double y2, double x) { return (y1 - y2) / (x1 - x2) * (x - x1) + y1; } }
a.cc:1:1: error: 'import' does not name a type 1 | import java.util.Scanner; | ^~~~~~ a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:5:15: error: expected ':' before 'static' 5 | public static void main(String args[]) | ^~~~~~~ | : a.cc:5:33: error: 'String' has not been declared 5 | public static void main(String args[]) | ^~~~~~ a.cc:49:16: error: expected ':' before 'static' 49 | private static double f(double x1, double y1, double x2, double y2, double x) | ^~~~~~~ | : a.cc:53:2: error: expected ';' after class definition 53 | } | ^ | ; a.cc: In static member function 'static void Main::main(int*)': a.cc:7:17: error: 'Scanner' was not declared in this scope 7 | Scanner sc = new Scanner(System.in); | ^~~~~~~ a.cc:14:38: error: 'sc' was not declared in this scope 14 | x1 = sc.nextDouble(); | ^~ a.cc:23:32: error: 'Exception' does not name a type 23 | catch (Exception e) | ^~~~~~~~~ a.cc:31:33: error: 'System' was not declared in this scope 31 | System.out.println("NO"); | ^~~~~~ a.cc:37:33: error: 'System' was not declared in this scope 37 | System.out.println("NO"); | ^~~~~~ a.cc:43:33: error: 'System' was not declared in this scope 43 | System.out.println("NO"); | ^~~~~~ a.cc:46:25: error: 'System' was not declared in this scope 46 | System.out.println("YES"); | ^~~~~~
s361848089
p00012
C++
#include <iostream> #include <cmath> #define mul(s, t) ((s-t)*(s-t)) using namespace std; int main() { double x[3], y[3], u[2], s, t, v; while(cin >> x[0] >> y[0] >> x[1] >> y[1] >> x[2] >> y[2] >> s >> t){ bool f = true; for(int i = 0; i < 3; i++){ int p = 0; for(int j = 0; j < 3; j++){ if(i != j){ u[p++] = sqrt(mul(x[i], x[j])+mul(y[i], y[j])); } } v = sqrt(mul(x[i], s)+mul(y[i], t)); if(u[0] =< v || u[1] =< v){ f = false; break; } } cout << ((f)? "YES" : "NO") << endl; } return 0; }
a.cc: In function 'int main()': a.cc:22:34: error: expected primary-expression before '<' token 22 | if(u[0] =< v || u[1] =< v){ | ^ a.cc:22:47: error: expected primary-expression before '<' token 22 | if(u[0] =< v || u[1] =< v){ | ^
s733098666
p00012
C++
#include <iostream> using namespace std; double x[4],y[4],px,py,ax,ay,bx,by; int main() { while(true) { for(int i = 1;i<=3;i++){cin >> x[i];cin >> y[i];} if(cin.eof()){break;} cin >> px; cin >> py; double m,n; ax = x[2]-x[1]; ay = y[2]-y[1]; bx = x[3]-x[1]; by = y[3]-y[1]; double det = ax*by-ay*bx; m = (by*px-bx*py)/det; n = (-ay*px+ax*py)/det; if(m>0 && m < 1 && n > 0 && n < 1 && m+n < 1 ) {cout << "YES" << endl;} else {cout << "NO" << endl}; } return 0; }
a.cc: In function 'int main()': a.cc:21:43: error: expected ';' before '}' token 21 | else {cout << "NO" << endl}; | ^ | ;
s888387318
p00012
C++
import java.util.*; import java.lang.*; import java.math.*; import java.io.*; public class Main { Scanner sc; void run() { sc = new Scanner(System.in); Point[] a = new Point [4]; while (sc.hasNext()){ for (int i=0;i<4;i++) { double x = sc.nextDouble(); double y = sc.nextDouble(); a[i] = new Point(x,y); } Line[] l = new Line[3]; Line[] lc = new Line [3]; boolean flg = true; for (int i=0;i<3;i++) { l[i] = new Line(a[i%3], a[(i+1)%3]); lc[i] = new Line(a[(i+2)%3], a[3]); if (l[i].judgeCloss(lc[i])) { flg = false; break; } } if (flg) System.out.println("YES"); else System.out.println("NO"); } } public static void main(String[] args) { new Main().run(); } } class Point { private double x; private double y; public Point(double x, double y) { this.x = x; this.y = y; } public double getX(){ return x; } public double getY() { return y; } } class Line { Point a1; Point a2; public Line (Point a, Point b) { a1 = a; a2 = b; } public Point getS() { return a1; } public Point getE() { return a2; } public boolean judgeCloss(Line l) { double a = ( (a1.getY() - l.getS().getY()) * (l.getS().getX() - l.getE().getX() - (l.getS().getY() - l.getE().getY()) * (a1.getX() - l.getS().getX())) ); double b = ( (a2.getY() - l.getS().getY()) * (l.getS().getX() - l.getE().getX() - (l.getS().getY() - l.getE().getY()) * (a2.getX() - l.getS().getX())) ); // System.out.println( a + " " + b ); if (a*b >= 0) return false; else return true; } }
a.cc:1:1: error: 'import' does not name a type 1 | import java.util.*; | ^~~~~~ a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:2:1: error: 'import' does not name a type 2 | import java.lang.*; | ^~~~~~ a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:3:1: error: 'import' does not name a type 3 | import java.math.*; | ^~~~~~ a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:4:1: error: 'import' does not name a type 4 | import java.io.*; | ^~~~~~ a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts' a.cc:6:1: error: expected unqualified-id before 'public' 6 | public class Main { | ^~~~~~ a.cc:42:16: error: expected ':' before 'double' 42 | private double x; | ^~~~~~~ | : a.cc:43:16: error: expected ':' before 'double' 43 | private double y; | ^~~~~~~ | : a.cc:44:15: error: expected ':' before 'Point' 44 | public Point(double x, double y) { | ^~~~~~ | : a.cc:48:15: error: expected ':' before 'double' 48 | public double getX(){ | ^~~~~~~ | : a.cc:51:15: error: expected ':' before 'double' 51 | public double getY() { | ^~~~~~~ | : a.cc:54:2: error: expected ';' after class definition 54 | } | ^ | ; a.cc: In constructor 'Point::Point(double, double)': a.cc:45:22: error: request for member 'x' in '(Point*)this', which is of pointer type 'Point*' (maybe you meant to use '->' ?) 45 | this.x = x; | ^ a.cc:46:22: error: request for member 'y' in '(Point*)this', which is of pointer type 'Point*' (maybe you meant to use '->' ?) 46 | this.y = y; | ^ a.cc: At global scope: a.cc:59:15: error: expected ':' before 'Line' 59 | public Line (Point a, Point b) { | ^~~~~ | : a.cc:63:15: error: expected ':' before 'Point' 63 | public Point getS() { | ^~~~~~ | : a.cc:66:15: error: expected ':' before 'Point' 66 | public Point getE() { | ^~~~~~ | : a.cc:69:15: error: expected ':' before 'boolean' 69 | public boolean judgeCloss(Line l) { | ^~~~~~~~ | : a.cc:69:16: error: 'boolean' does not name a type; did you mean 'bool'? 69 | public boolean judgeCloss(Line l) { | ^~~~~~~ | bool a.cc:80:2: error: expected ';' after class definition 80 | } | ^ | ; a.cc: In constructor 'Line::Line(Point, Point)': a.cc:59:40: error: no matching function for call to 'Point::Point()' 59 | public Line (Point a, Point b) { | ^ a.cc:44:16: note: candidate: 'Point::Point(double, double)' 44 | public Point(double x, double y) { | ^~~~~ a.cc:44:16: note: candidate expects 2 arguments, 0 provided a.cc:41:7: note: candidate: 'constexpr Point::Point(const Point&)' 41 | class Point { | ^~~~~ a.cc:41:7: note: candidate expects 1 argument, 0 provided a.cc:41:7: note: candidate: 'constexpr Point::Point(Point&&)' a.cc:41:7: note: candidate expects 1 argument, 0 provided a.cc:59:40: error: no matching function for call to 'Point::Point()' 59 | public Line (Point a, Point b) { | ^ a.cc:44:16: note: candidate: 'Point::Point(double, double)' 44 | public Point(double x, double y) { | ^~~~~ a.cc:44:16: note: candidate expects 2 arguments, 0 provided a.cc:41:7: note: candidate: 'constexpr Point::Point(const Point&)' 41 | class Point { | ^~~~~ a.cc:41:7: note: candidate expects 1 argument, 0 provided a.cc:41:7: note: candidate: 'constexpr Point::Point(Point&&)' a.cc:41:7: note: candidate expects 1 argument, 0 provided
s338547741
p00012
C++
#include <iostream> #include <cstdlib> using namespace std; int main(){ double x1, y1, x2, y2, x3, y3, xp, yp; while(cin>>x1>>y1>>x2>>y2>>x3>>y3>>xp>>yp){ double sall = (x1-x2)*(y1+y2) + (x2-x3)*(y2+y3) + (x3-x1)*(y3+y1); double s1 = (x1-x2)*(y1+y2) + (x2-xp)*(y2+yp) + (xp-x1)*(yp+y1); double s2 = (x1-xp)*(y1+yp) + (xp-x3)*(yp+y3) + (x3-x1)*(y3+y1); double s3 = (xp-x2)*(yp+y2) + (x2-x3)*(y2+y3) + (x3-xp)*(y3+yp); if(fabs(sall) == fabs(s1)+fabs(s2)+fabs(s3)){ cout<<"YES"<<endl; } else { cout<<"NO"<<endl; } } return 0; }
a.cc: In function 'int main()': a.cc:12:20: error: 'fabs' was not declared in this scope; did you mean 'labs'? 12 | if(fabs(sall) == fabs(s1)+fabs(s2)+fabs(s3)){ | ^~~~ | labs
s055962959
p00012
C++
#include <iostream> #include <cmath> using namespace std; int main(void){ ツ ツ double x1, y1, x2, y2, x3, y3, px, py; ツ ツ double a, b, c, ap, bp, cp; ツ ツ double tmp; ツ ツ double s2, sa2, sb2, sc2; ツ ツ double s, sa, sb, sc; ツ ツ while(cin>>x1>>y1>>x2>>y2>>x3>>y3>>px>>py){ ツ ツ ツ ツ a = sqrt(fabs((x2-x3) * (x2-x3) + (y2-y3) * (y2-y3))); ツ ツ ツ ツ b = sqrt(fabs((x1-x3) * (x1-x3) + (y1-y3) * (y1-y3))); ツ ツ ツ ツ c = sqrt(fabs((x1-x2) * (x1-x2) + (y1-y2) * (y1-y2))); ツ ツ ツ ツ ap = sqrt(fabs((x1-px) * (x1-px) + (y1-py) * (y1-py))); ツ ツ ツ ツ bp = sqrt(fabs((x2-px) * (x2-px) + (y2-py) * (y2-py))); ツ ツ ツ ツ cp = sqrt(fabs((x3-px) * (x3-px) + (y3-py) * (y3-py))); ツ ツ ツ ツ  ツ ツ ツ ツ tmp = (a+b+c) / 2; ツ ツ ツ ツ s2 = tmp * (tmp-a) * (tmp-b) * (tmp-c); ツ ツ ツ ツ s = sqrt(s2); ツ ツ ツ ツ tmp = (a+bp+cp) / 2; ツ ツ ツ ツ sa2 = tmp * (tmp-a) * (tmp-bp) * (tmp-cp); ツ ツ ツ ツ sa = sqrt(sa2); ツ ツ ツ ツ tmp = (b+ap+cp) / 2; ツ ツ ツ ツ sb2 = tmp * (tmp-b) * (tmp-ap) * (tmp-cp); ツ ツ ツ ツ sb = sqrt(sb2); ツ ツ ツ ツ tmp = (c+ap+bp) / 2; ツ ツ ツ ツ sc2 = tmp * (tmp-c) * (tmp-ap) * (tmp-bp); ツ ツ ツ ツ sc = sqrt(sc2); ツ ツ ツ ツ if(fabs(sa+sb+sc-s) < ie-9) cout << "YES" << endl; ツ ツ ツ ツ else cout << "NO" << endl; ツ ツ } ツ ツ return 0; }
a.cc:6:1: error: extended character   is not valid in an identifier 6 | ツ ツ double x1, y1, x2, y2, x3, y3, px, py; | ^ a.cc:6:1: error: extended character   is not valid in an identifier a.cc:7:1: error: extended character   is not valid in an identifier 7 | ツ ツ double a, b, c, ap, bp, cp; | ^ a.cc:7:1: error: extended character   is not valid in an identifier a.cc:8:1: error: extended character   is not valid in an identifier 8 | ツ ツ double tmp; | ^ a.cc:8:1: error: extended character   is not valid in an identifier a.cc:9:1: error: extended character   is not valid in an identifier 9 | ツ ツ double s2, sa2, sb2, sc2; | ^ a.cc:9:1: error: extended character   is not valid in an identifier a.cc:10:1: error: extended character   is not valid in an identifier 10 | ツ ツ double s, sa, sb, sc; | ^ a.cc:10:1: error: extended character   is not valid in an identifier a.cc:12:1: error: extended character   is not valid in an identifier 12 | ツ ツ while(cin>>x1>>y1>>x2>>y2>>x3>>y3>>px>>py){ | ^ a.cc:12:1: error: extended character   is not valid in an identifier a.cc:13:1: error: extended character   is not valid in an identifier 13 | ツ ツ ツ ツ a = sqrt(fabs((x2-x3) * (x2-x3) + (y2-y3) * (y2-y3))); | ^ a.cc:13:1: error: extended character   is not valid in an identifier a.cc:13:1: error: extended character   is not valid in an identifier a.cc:13:1: error: extended character   is not valid in an identifier a.cc:14:1: error: extended character   is not valid in an identifier 14 | ツ ツ ツ ツ b = sqrt(fabs((x1-x3) * (x1-x3) + (y1-y3) * (y1-y3))); | ^ a.cc:14:1: error: extended character   is not valid in an identifier a.cc:14:1: error: extended character   is not valid in an identifier a.cc:14:1: error: extended character   is not valid in an identifier a.cc:15:1: error: extended character   is not valid in an identifier 15 | ツ ツ ツ ツ c = sqrt(fabs((x1-x2) * (x1-x2) + (y1-y2) * (y1-y2))); | ^ a.cc:15:1: error: extended character   is not valid in an identifier a.cc:15:1: error: extended character   is not valid in an identifier a.cc:15:1: error: extended character   is not valid in an identifier a.cc:16:1: error: extended character   is not valid in an identifier 16 | ツ ツ ツ ツ ap = sqrt(fabs((x1-px) * (x1-px) + (y1-py) * (y1-py))); | ^ a.cc:16:1: error: extended character   is not valid in an identifier a.cc:16:1: error: extended character   is not valid in an identifier a.cc:16:1: error: extended character   is not valid in an identifier a.cc:17:1: error: extended character   is not valid in an identifier 17 | ツ ツ ツ ツ bp = sqrt(fabs((x2-px) * (x2-px) + (y2-py) * (y2-py))); | ^ a.cc:17:1: error: extended character   is not valid in an identifier a.cc:17:1: error: extended character   is not valid in an identifier a.cc:17:1: error: extended character   is not valid in an identifier a.cc:18:1: error: extended character   is not valid in an identifier 18 | ツ ツ ツ ツ cp = sqrt(fabs((x3-px) * (x3-px) + (y3-py) * (y3-py))); | ^ a.cc:18:1: error: extended character   is not valid in an identifier a.cc:18:1: error: extended character   is not valid in an identifier a.cc:18:1: error: extended character   is not valid in an identifier a.cc:19:1: error: extended character   is not valid in an identifier 19 | ツ ツ ツ ツ  | ^ a.cc:19:1: error: extended character   is not valid in an identifier a.cc:19:1: error: extended character   is not valid in an identifier a.cc:19:1: error: extended character   is not valid in an identifier a.cc:20:1: error: extended character   is not valid in an identifier 20 | ツ ツ ツ ツ tmp = (a+b+c) / 2; | ^ a.cc:20:1: error: extended character   is not valid in an identifier a.cc:20:1: error: extended character   is not valid in an identifier a.cc:20:1: error: extended character   is not valid in an identifier a.cc:21:1: error: extended character   is not valid in an identifier 21 | ツ ツ ツ ツ s2 = tmp * (tmp-a) * (tmp-b) * (tmp-c); | ^ a.cc:21:1: error: extended character   is not valid in an identifier a.cc:21:1: error: extended character   is not valid in an identifier a.cc:21:1: error: extended character   is not valid in an identifier a.cc:22:1: error: extended character   is not valid in an identifier 22 | ツ ツ ツ ツ s = sqrt(s2); | ^ a.cc:22:1: error: extended character   is not valid in an identifier a.cc:22:1: error: extended character   is not valid in an identifier a.cc:22:1: error: extended character   is not valid in an identifier a.cc:23:1: error: extended character   is not valid in an identifier 23 | ツ ツ ツ ツ tmp = (a+bp+cp) / 2; | ^ a.cc:23:1: error: extended character   is not valid in an identifier a.cc:23:1: error: extended character   is not valid in an identifier a.cc:23:1: error: extended character   is not valid in an identifier a.cc:24:1: error: extended character   is not valid in an identifier 24 | ツ ツ ツ ツ sa2 = tmp * (tmp-a) * (tmp-bp) * (tmp-cp); | ^ a.cc:24:1: error: extended character   is not valid in an identifier a.cc:24:1: error: extended character   is not valid in an identifier a.cc:24:1: error: extended character   is not valid in an identifier a.cc:25:1: error: extended character   is not valid in an identifier 25 | ツ ツ ツ ツ sa = sqrt(sa2); | ^ a.cc:25:1: error: extended character   is not valid in an identifier a.cc:25:1: error: extended character   is not valid in an identifier a.cc:25:1: error: extended character   is not valid in an identifier a.cc:26:1: error: extended character   is not valid in an identifier 26 | ツ ツ ツ ツ tmp = (b+ap+cp) / 2; | ^ a.cc:26:1: error: extended character   is not valid in an identifier a.cc:26:1: error: extended character   is not valid in an identifier a.cc:26:1: error: extended character   is not valid in an identifier a.cc:27:1: error: extended character   is not valid in an identifier 27 | ツ ツ ツ ツ sb2 = tmp * (tmp-b) * (tmp-ap) * (tmp-cp); | ^ a.cc:27:1: error: extended character   is not valid in an identifier a.cc:27:1: error: extended character   is not valid in an identifier a.cc:27:1: error: extended character   is not valid in an identifier a.cc:28:1: error: extended character   is not valid in an identifier 28 | ツ ツ ツ ツ sb = sqrt(sb2); | ^ a.cc:28:1: error: extended character   is not valid in an identifier a.cc:28:1: error: extended character   is not valid in an identifier a.cc:28:1: error: extended character   is not valid in an identifier a.cc:29:1: error: extended character   is not valid in an identifier 29 | ツ ツ ツ ツ tmp = (c+ap+bp) / 2; | ^ a.cc:29:1: error: extended character   is not valid in an identifier a.cc:29:1: error: extended character   is not valid in an identifier a.cc:29:1: error: extended character   is not valid in an identifier a.cc:30:1: error: extended character   is not valid in an identifier 30 | ツ ツ ツ ツ sc2 = tmp * (tmp-c) * (tmp-ap) * (tmp-bp); | ^ a.cc:30:1: error: extended character   is not valid in an identifier a.cc:30:1: error: extended character   is not valid in an identifier a.cc:30:1: error: extended character   is not valid in an identifier a.cc:31:1: error: extended character   is not valid in an identifier 31 | ツ ツ ツ ツ sc = sqrt(sc2); | ^ a.cc:31:1: error: extended character   is not valid in an identifier a.cc:31:1: error: extended character   is not valid in an identifier a.cc:31:1: error: extended character   is not valid in an identifier a.cc:32:1: error: extended character   is not valid in an identifier 32 | ツ ツ ツ ツ if(fabs(sa+sb+sc-s) < ie-9) cout << "YES" << endl; | ^ a.cc:32:1: error: extended character   is not valid in an identifier a.cc:32:1: error: extended character   is not valid in an identifier a.cc:32:1: error: extended character   is not valid in an identifier a.cc:33:1: error: extended character   is not valid in an identifier 33 | ツ ツ ツ ツ else cout << "NO" << endl; | ^ a.cc:33:1: error: extended character   is not valid in an identifier a.cc:33:1: error: extended character   is not valid in an identifier a.cc:33:1: error: extended character   is not valid in an identifier a.cc:34:1: error: extended character   is not valid in an identifier 34 | ツ ツ } | ^ a.cc:34:1: error: extended character   is not valid in an identifier a.cc:35:1: error: extended character   is not valid in an identifier 35 | ツ ツ return 0; | ^ a.cc:35:1: error: extended character   is not valid in an identifier a.cc: In function 'int main()': a.cc:6:1: error: '\U000030c4\U00003000\U000030c4\U00003000double' was not declared in this scope 6 | ツ ツ double x1, y1, x2, y2, x3, y3, px, py; | ^~~~~~~~~~~~~~ a.cc:7:15: error: expected ';' before 'a' 7 | ツ ツ double a, b, c, ap, bp, cp; | ^~ | ; a.cc:8:15: error: expected ';' before 'tmp' 8 | ツ ツ double tmp; | ^~~~ | ; a.cc:9:15: error: expected ';' before 's2' 9 | ツ ツ double s2, sa2, sb2, sc2; | ^~~ | ; a.cc:10:15: error: expected ';' before 's' 10 | ツ ツ double s, sa, sb, sc; | ^~ | ; a.cc:12:20: error: 'x1' was not declared in this scope; did you mean 'y1'? 12 | ツ ツ while(cin>>x1>>y1>>x2>>y2>>x3>>y3>>px>>py){ | ^~ | y1 a.cc:12:28: error: 'x2' was not declared in this scope 12 | ツ ツ while(cin>>x1>>y1>>x2>>y2>>x3>>y3>>px>>py){ | ^~ a.cc:12:32: e
s735136979
p00012
C++
#include <iostream> |#include <iostream> using namespace std; |#include <stdio.h> |#include <math.h> int main() { |using namespace std; double x1,y1,x2,y2,x3,y3,xp,yp; | double a[2],b[2]; |int main() { double A,B; | double a, b, c, d, e, f; while(cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { | double x, y; a[0] = x2 - x1; | while( cin >> a >> b >> c >> d >> e >> f) { a[1] = y2- y1; |x = (c * e - b * f) / (a * e - b * d); b[0] = x3 - x1; | y = (a * f - c * d) / (a * e - b * d); b[1] = y3 - y1; | x *= 1000; //vect[0] = A * a[0] + B * b[0]; | x += 0.5; //vect[1] = A * a[1] + B * b[1]; | x = floor(x); A = (xp * b[1] - b[0] * yp) / (a[0] * b[1] - b[0] * a[1]); | x /= 1000; B = (a[0] * yp - xp * a[1]) / (a[0] * b[1] - b[0] * a[1]); | y *= 1000; if ((A+B <= 1) && (A > 0) && (B > 0)) { | y += 0.5; cout << "YES" << endl; | y = floor(y); } | y /= 1000; else { | cout << "NO" << endl; | printf("%.3f %.3f\n", x, y); } | } | } }
a.cc:1:90: warning: extra tokens at end of #include directive 1 | #include <iostream> |#include <iostream> | ^ a.cc:2:91: error: stray '#' in program 2 | using namespace std; |#include <stdio.h> | ^ a.cc:3:91: error: stray '#' in program 3 | |#include <math.h> | ^ a.cc:2:90: error: expected unqualified-id before '|' token 2 | using namespace std; |#include <stdio.h> | ^
s724691793
p00012
C++
#include <iostream> #include <algorithm> #include <utility> using namespace std; pair<double,double> tp[3]; pair<double,double> p; bool flag=true; int main(){ while(scanf("%lf %lf %lf %lf %lf %lf %lf %lf",&tp[0].first,&tp[0].second,&tp[1].first,&tp[1].second,&tp[2].first,&tp[2].second,&p.first,&p.second) == 8){ flag=true; for(int i=0;i<3;i++){ if (tp[i%3].second-tp[(i+1)%3].second==0){ if( (p.second-tp[i%3].second) *(tp[(i+2)%2].second-tp[i%3].second) <0 )flag=false; }else { printf("%lf\n", (p.second - (tp[i%3].first-tp[(i+1)%3].first)/(tp[i%3].second-tp[(i+1)%3].second)*(p.first-tp[i%3].first)+tp[i%3].second) *(tp[(i+2)%2].second - (tp[i%3].first-tp[(i+1)%3].first)/(tp[i%3].second-tp[(i+1)%3].second)*(tp[(i+2)%2].first-tp[i%3].first)+tp[i%3].second)); if( (p.second - (tp[i%3].first-tp[(i+1)%3].first)/(tp[i%3].second-tp[(i+1)%3].second)*(p.first-tp[i%3].first)+tp[i%3].second) *(tp[(i+2)%2].second - (tp[i%3].first-tp[(i+1)%3].first)/(tp[i%3].second-tp[(i+1)%3].second)*(tp[(i+2)%2].first-tp[i%3].first)+tp[i%3].second) <0 )flag=false; } } if(flag)cout<<"YES"<<endl; else cout<<"NO"<<endl; } return 0; }  
a.cc:50:1: error: extended character   is not valid in an identifier 50 |   | ^ a.cc:50:1: error: '\U00003000' does not name a type 50 |   | ^~
s777314583
p00012
C++
#include<cmath> #include<algorithm> #include<iostream> #include<vector> #include<climits> #include<cfloat> using namespace std; double EPS = 1e-10; double add(double a, double b){ if(abs(a+b) < EPS * (abs(a)+abs(b)))return 0; return a+b; } struct point{ double x, y; point(){} point(double x,double y) : x(x) , y(y){} point operator + (point p){ return point(add(x,p.x), add(y,p.y)); } point operator - (point p){ return point(add(x,-p.x), add(y,-p.y)); } point operator * (double d){ return point(x*d,y*d); } }; double dot(point a, point b) { return (a.x * b.x + a.y * b.y); } double cross(point a, point b) { return (a.x * b.y - a.y * b.x); } int is_point_on_line(point a, point b, point c) { return cross(b-a, c-a)==0.0 && (dot(b-a, c-a) > -EPS) && (dot(a-b, c-b) > -EPS); } int is_intersected_ls(point a1, point a2, point b1, point b2) { if(cross(a1-a2,b1-b2)==0){ return is_point_on_line(a1,a2,b1) || is_point_on_line(a1,a2,b2) || is_point_on_line(b1,b2,a1) || is_point_on_line(b1,b2,a2); } else { return ( cross(a2-a1, b1-a1) * cross(a2-a1, b2-a1) < EPS ) && ( cross(b2-b1, a1-b1) * cross(b2-b1, a2-b1) < EPS ); } } int inside(point p, vector<point> ps){ point a,b; a=b=p; b.x=1000000; int n=ps.size(); ps.push_back(ps[0]); if(a.y<=ymn||a.y>=ymx)return 0; for(int i=0;i<n;i++){ if(is_point_on_line(ps[i],ps[i+1],p))return 0; } int cnt1=0; for(int i=0;i<n;i++) if(is_point_on_line(a,b,ps[i]))cnt1++; int cnt=0; for(int i=0;i<n;i++) if(is_intersected_ls(ps[i],ps[i+1],a,b))cnt++; return (cnt-cnt1)%2; } int main(void){ point in[4],p; vector<point>ps; while(cin>>in[1].x>>in[1].y>>in[2].x>>in[2].y>>in[3].x>>in[3].y>>p.x>>p.y){ ps.clear(); for(int i=1;i<4;i++) ps.push_back(in[i]); if(inside(p,ps))cout << "YES" << endl; else cout << "NO" << endl; } return 0; }
a.cc: In function 'int inside(point, std::vector<point>)': a.cc:70:11: error: 'ymn' was not declared in this scope; did you mean 'yn'? 70 | if(a.y<=ymn||a.y>=ymx)return 0; | ^~~ | yn a.cc:70:21: error: 'ymx' was not declared in this scope 70 | if(a.y<=ymn||a.y>=ymx)return 0; | ^~~
s581394675
p00012
C++
struct Vec2 { double x, y; Vec2(double x_, double y_) : x(x_), y(y_) {} }; bool in_the_triangle(const Vec2& a, const Vec2& b, const Vec2& c, const Vec2& p) { Vec2 aa(a.x-p.x, a.y-p.y); Vec2 bb(b.x-p.x, b.y-p.y); Vec2 cc(c.x-p.x, c.y-p.y); double k = aa.x*bb.y - bb.x*aa.y; double l = bb.x*cc.y - cc.x*bb.y; double m = cc.x*aa.y - aa.x*cc.y; return (k * l > 0 && k * m > 0); } int main() { Vec2 a,b,c,p; while (scanf("%f%f%f%f%f%f%f%f",&a.x,&a.y,&b.x,&b.y,&c.x,&c.y,&p.x,&p.y)) { puts(in_the_triangle(a,b,c,p) ? "YES" : "NO"); } return 0; }
a.cc: In function 'int main()': a.cc:17:6: error: no matching function for call to 'Vec2::Vec2()' 17 | Vec2 a,b,c,p; | ^ a.cc:3:3: note: candidate: 'Vec2::Vec2(double, double)' 3 | Vec2(double x_, double y_) : x(x_), y(y_) {} | ^~~~ a.cc:3:3: note: candidate expects 2 arguments, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(const Vec2&)' 1 | struct Vec2 { | ^~~~ a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(Vec2&&)' a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:17:8: error: no matching function for call to 'Vec2::Vec2()' 17 | Vec2 a,b,c,p; | ^ a.cc:3:3: note: candidate: 'Vec2::Vec2(double, double)' 3 | Vec2(double x_, double y_) : x(x_), y(y_) {} | ^~~~ a.cc:3:3: note: candidate expects 2 arguments, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(const Vec2&)' 1 | struct Vec2 { | ^~~~ a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(Vec2&&)' a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:17:10: error: no matching function for call to 'Vec2::Vec2()' 17 | Vec2 a,b,c,p; | ^ a.cc:3:3: note: candidate: 'Vec2::Vec2(double, double)' 3 | Vec2(double x_, double y_) : x(x_), y(y_) {} | ^~~~ a.cc:3:3: note: candidate expects 2 arguments, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(const Vec2&)' 1 | struct Vec2 { | ^~~~ a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(Vec2&&)' a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:17:12: error: no matching function for call to 'Vec2::Vec2()' 17 | Vec2 a,b,c,p; | ^ a.cc:3:3: note: candidate: 'Vec2::Vec2(double, double)' 3 | Vec2(double x_, double y_) : x(x_), y(y_) {} | ^~~~ a.cc:3:3: note: candidate expects 2 arguments, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(const Vec2&)' 1 | struct Vec2 { | ^~~~ a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:1:8: note: candidate: 'constexpr Vec2::Vec2(Vec2&&)' a.cc:1:8: note: candidate expects 1 argument, 0 provided a.cc:18:8: error: 'scanf' was not declared in this scope 18 | while (scanf("%f%f%f%f%f%f%f%f",&a.x,&a.y,&b.x,&b.y,&c.x,&c.y,&p.x,&p.y)) { | ^~~~~ a.cc:19:3: error: 'puts' was not declared in this scope 19 | puts(in_the_triangle(a,b,c,p) ? "YES" : "NO"); | ^~~~
s805220544
p00012
C++
struct Vec2 { double x, y; Vec2(double x_, double y_) : x(x_), y(y_) {} }; bool in_the_triangle(const Vec2& a, const Vec2& b, const Vec2& c, const Vec2& p) { Vec2 aa(a.x-p.x, a.y-p.y); Vec2 bb(b.x-p.x, b.y-p.y); Vec2 cc(c.x-p.x, c.y-p.y); double k = aa.x*bb.y - bb.x*aa.y; double l = bb.x*cc.y - cc.x*bb.y; double m = cc.x*aa.y - aa.x*cc.y; return (k * l > 0 && k * m > 0); } int main() { double a,b,c,d,e,f,g,h; while (scanf("%f%f%f%f%f%f%f%f",&a,&b,&c,&d,&e,&f,&g,&h)) { puts(in_the_triangle(Vec2(a,b),Vec2(c,d),Vec2(e,f),Vec2(g,h)) ? "YES" : "NO"); } return 0; }
a.cc: In function 'int main()': a.cc:18:8: error: 'scanf' was not declared in this scope 18 | while (scanf("%f%f%f%f%f%f%f%f",&a,&b,&c,&d,&e,&f,&g,&h)) { | ^~~~~ a.cc:19:3: error: 'puts' was not declared in this scope 19 | puts(in_the_triangle(Vec2(a,b),Vec2(c,d),Vec2(e,f),Vec2(g,h)) ? "YES" : "NO"); | ^~~~
s812411683
p00012
C++
/*problem C*/ #include<stdio.h> typedef struct{ double x,y; }point_obj; int isClossLine(double x1,double y1,double x2,double y2,double x3,double y3,double x4,double y4){ return ( (x1-x2)*(y3-y1)+(y1-y2)*(x1-x3))*((x1-x2)*(y4-y1)+(y1-y2)*(x1-x4)); } int main(){ point_obj p[5]; int i,j; p[3].x=0; p[3].y=0; while(cin>>p[0].x){ cin>>p[0].y; p[3].x=p[0].x; p[3].y=p[0].y; for(int i=0;i<3;i++){ cin>>p[i].x,cin>>p[i].y; p[3].x+=p[i].x; p[3].y+=p[i].y; } p[3].x+=p[0].x; p[3].y+=p[0].y; p[3].x/=3.0; p[3].y/=3.0; if(isClossLine(p[0].x,p[0].y,p[1].x,p[1].y,p[3].x,p[3].y,p[4].x,p[4].y) > 0 && isClossLine(p[1].x,p[1].y,p[2].x,p[2].y,p[3].x,p[3].y,p[4].x,p[4].y) >0 && isClossLine(p[0].x,p[0].y,p[2].x,p[2].y,p[3].x,p[3].y,p[4].x,p[4].y) > 0){ printf("YES"); } else{ printf("NO"); } } } return 0; }
a.cc: In function 'int main()': a.cc:19:15: error: 'cin' was not declared in this scope 19 | while(cin>>p[0].x){ | ^~~ a.cc: At global scope: a.cc:50:9: error: expected unqualified-id before 'return' 50 | return 0; | ^~~~~~ a.cc:51:1: error: expected declaration before '}' token 51 | } | ^
s826512622
p00012
C++
/*problem C*/ #include <iostream> using namespace std; typedef struct{ double x,y; }point_obj; int isClossLine(double x1,double y1,double x2,double y2,double x3,double y3,double x4,double y4){ return ( (x1-x2)*(y3-y1)+(y1-y2)*(x1-x3))*((x1-x2)*(y4-y1)+(y1-y2)*(x1-x4)); } int main(){ point_obj p[5]; int i,j; p[3].x=0; p[3].y=0; while(cin>>p[0].x){ cin>>p[0].y; p[3].x=p[0].x; p[3].y=p[0].y; for(int i=0;i<3;i++){ cin>>p[i].x,cin>>p[i].y; p[3].x+=p[i].x; p[3].y+=p[i].y; } p[3].x+=p[0].x; p[3].y+=p[0].y; p[3].x/=3.0; p[3].y/=3.0; if(isClossLine(p[0].x,p[0].y,p[1].x,p[1].y,p[3].x,p[3].y,p[4].x,p[4].y) > 0 && isClossLine(p[1].x,p[1].y,p[2].x,p[2].y,p[3].x,p[3].y,p[4].x,p[4].y) >0 && isClossLine(p[0].x,p[0].y,p[2].x,p[2].y,p[3].x,p[3].y,p[4].x,p[4].y) > 0){ printf("YES"); } else{ printf("NO"); } } } return 0; }
a.cc:51:9: error: expected unqualified-id before 'return' 51 | return 0; | ^~~~~~ a.cc:52:1: error: expected declaration before '}' token 52 | } | ^
s689336780
p00012
C++
double x1, y1, x2, y2, x3, y3, xp, yp; while (cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { pair<double, double> a, b, p; a.first = x2 - x1; a.second = y2 - y1; b.first = x3 - x1; b.second = y3 - y1; p.first = xp - x1; p.second = yp - y1; double theta = angle(a, b); double phi = angle(a, p); double psi = angle(b, p); if (norm(p) > norm(a) || norm(p) > norm(b)) { anslist.push_back("NO"); break; } if (phi > theta || psi > theta) { anslist.push_back("NO"); break; } anslist.push_back("YES"); } for(auto ans : anslist) { cout << ans << endl; } return 0; }
a.cc:3:16: warning: built-in function 'y1' declared as non-function [-Wbuiltin-declaration-mismatch] 3 | double x1, y1, x2, y2, x3, y3, xp, yp; | ^~ a.cc:4:5: error: expected unqualified-id before 'while' 4 | while (cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { | ^~~~~ a.cc:27:5: error: expected unqualified-id before 'for' 27 | for(auto ans : anslist) { | ^~~ a.cc:31:5: error: expected unqualified-id before 'return' 31 | return 0; | ^~~~~~ a.cc:32:1: error: expected declaration before '}' token 32 | } | ^
s685915095
p00012
C++
double x1, y1, x2, y2, x3, y3, xp, yp; while (cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { pair<double, double> a, b, p; a.first = x2 - x1; a.second = y2 - y1; b.first = x3 - x1; b.second = y3 - y1; p.first = xp - x1; p.second = yp - y1; double theta = angle(a, b); double phi = angle(a, p); double psi = angle(b, p); if (norm(p) > norm(a) || norm(p) > norm(b)) { anslist.push_back("NO"); break; } if (phi > theta || psi > theta) { anslist.push_back("NO"); break; } anslist.push_back("YES"); } for(auto ans : anslist) { cout << ans << endl; } return 0; }
a.cc:3:16: warning: built-in function 'y1' declared as non-function [-Wbuiltin-declaration-mismatch] 3 | double x1, y1, x2, y2, x3, y3, xp, yp; | ^~ a.cc:4:5: error: expected unqualified-id before 'while' 4 | while (cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3 >> xp >> yp) { | ^~~~~ a.cc:27:5: error: expected unqualified-id before 'for' 27 | for(auto ans : anslist) { | ^~~ a.cc:31:5: error: expected unqualified-id before 'return' 31 | return 0; | ^~~~~~ a.cc:32:1: error: expected declaration before '}' token 32 | } | ^
s281727900
p00012
C++
#include<iostream> #include<stdio.h> using namespace std; #define EPS 1e-10 struct point{ double x; double y; }; struct line{ double a; // 傾き double b; // 切片 }; int recog_point_place( const point& a , const point&b , const point& c ); bool get_line( const point& a , const point& b , line *a_b ); int main(void) { point a, b, c, p; int num_of_data; while( scanf("%d", &num_of_data ) != EOF ) { cin >> a.x >> a.y >> b.x >> b.y >> c.x >> c.y >> p.x >> p.y; int result_ab_c = recog_point_place( a , b , c ); int result_ab_p = recog_point_place( a , b , p ); int result_bc_a = recog_point_place( b , c , a ); int result_bc_p = recog_point_place( b , c , p ); int result_ca_b = recog_point_place( c , a , b ); int result_ca_p = recog_point_place( c , a , p ); if( result_ab_c == result_ab_p && result_bc_a == result_bc_p && result_ca_b == result_ca_p ) cout << "YES" << endl; else cout << "NO" << endl; } return 0; } int recog_point_place( const point& a , const point&b , const point& c ) { line a_b; bool result = get_line( a , b , &a_b ); if( result == false ) { if( (a.x + b.x)/2 < c.x ) return 1; // 点が直線より右にある場合に1をリターン else return 0; } else if( result == true ) { if( c.y > a_b.a * c.x + a_b.b ) return 1; // 点が直線より上にある場合に1をリターン else return 0; } } bool get_line( const point& a , const point& b , line *a_b ) { if( fabs(a.x - b.x) < EPS ) { return false; } else { a_b->a = (a.y - b.y) / (a.x - b.x); a_b->b = a.y - a_b->a * a.x; return true; } }
a.cc: In function 'bool get_line(const point&, const point&, line*)': a.cc:63:13: error: 'fabs' was not declared in this scope; did you mean 'labs'? 63 | if( fabs(a.x - b.x) < EPS ) | ^~~~ | labs a.cc: In function 'int recog_point_place(const point&, const point&, const point&)': a.cc:59:1: warning: control reaches end of non-void function [-Wreturn-type] 59 | } | ^ a.cc: In function 'bool get_line(const point&, const point&, line*)': a.cc:74:1: warning: control reaches end of non-void function [-Wreturn-type] 74 | } | ^
s891567548
p00012
C++
def side(p1, p2, p3): return (p3[1]-p1[1])*(p2[0]-p1[0])-(p2[1]-p1[1])*(p3[0]-p1[0])>0 while True: try: x = map(float, raw_input().split()) p1 = x[0:2] p2 = x[2:4] p3 = x[4:6] p0 = x[6:] if (side(p1, p2, p0)==side(p2, p3, p0) and side(p2, p3, p0)==side(p3, p1, p0)): print "YES" else: print "NO" except: break
a.cc:1:1: error: 'def' does not name a type 1 | def side(p1, p2, p3): | ^~~