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using System; using System.Linq; using System.Collections.Generic; using static System.Math; static class P { static void Main() { var n = int.Parse(Console.ReadLine()); var edges = Enumerable.Repeat(0, n - 1).Select(_ => Console.ReadLine().Split().Select(x => int.Parse(x) - 1).ToArray()).ToArr...
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using System; using System.Collections.Generic; using System.Collections; using System.Collections.Specialized; using System.Linq; using System.Text; using System.IO; using System.Reflection; using static System.Math; using System.Numerics; static class Program{ const int mod=(int)1e9+7; static List<int>[] li; stati...
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using System; using System.Collections.Generic; public class CSharp{ public static void Main(){ Kyopuro chokudai = new Kyopuro(); chokudai.AtCoder(); } } public class Kyopuro{ int n, k; int[] a, b, v, p, ans; int[] pmin, pmax; bool yn; bool[] vtd, odd; List<int>[] list; ...
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using System; using System.Collections.Generic; using System.Linq; using System.Linq.Expressions; using System.IO; using Binary = System.Func<System.Linq.Expressions.ParameterExpression, System.Linq.Expressions.ParameterExpression, System.Linq.Expressions.BinaryExpression>; using Unary = System.Func<System.Linq.Expres...
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using System; using System.IO; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using Enu = System.Linq.Enumerable; public class Program { static readonly int INF = (int)1e9; int N, K; int[][] G; ...
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using System; using System.Collections.Generic; class Solve{ int N; int K; Vertex[] tree; public Solve(){} public static int Main(){ new Solve().Calc(); return 0; } void Calc(){ getinput(); if(dfs(tree[0])){ Console.WriteLine("Yes"); df...
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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Threading; using Pair = System.Collections.Generic.KeyValuePair<int, int>; class Program { public Program() { } static void Main(string[] args) { new Program().prog(); } Scanner cin; const int ...
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using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; using Kujikatsu029.Algorithms; using Kujikatsu029.Collections; using Kujikatsu029.Extensions; using Kujikatsu029.Numerics; using Kujikatsu02...
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using System; using System.Collections.Generic; using System.Linq; using System.IO; using System.Runtime.CompilerServices; using System.Text; using static Template; using static System.Console; using static System.Convert; using static System.Math; using Pi = Pair<int, int>; using Number = System.Int64; class Solver {...
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using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; using System.Text; using System.Threading; // (づ°ω°)づミe★゜・。。・゜゜・。。・゜☆゜・。。・゜゜・。。・゜ public class Solver { List<int>[] g; int[] tsize, cind, cpos, csize, cdep, cpar, depth; int ccnt; void Dfs1(...
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using System; using System.Collections; using System.Collections.Generic; using System.IO; using System.Linq; namespace ARC063E{ public class Program{ //Atcoder Live 解説を参考にしました。 public static void Main(string[] args){ var sr = new StreamReader(); var sw = new StreamWriter(Co...
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import java.awt.geom.*; import java.util.*; import static java.lang.Math.*; public class Main { final Scanner sc=new Scanner(System.in); public static void main(String[] args) { new Main().init(); } void init(){ new B(); } class B{ B(){ while(sc.hasNext()){ int n = sc.nextInt(); Point2D [] pl...
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import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); if (n%2==1) { System.out.println("NA"); return; } int[] x = new int[n]; int[] y = new int[n]; for(int i=0;i<n;i++) { x[i] = sc.nextInt(); y[i] = ...
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import java.util.*; import java.lang.*; import java.math.*; import java.io.*; import static java.lang.Math.*; import static java.util.Arrays.*; import static java.util.Collections.*; // ConvexCut // 2012/09/19 public class Main{ Scanner sc=new Scanner(System.in); double EPS=1e-6; int n; P[] ps; void run(){ n...
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import java.io.IOException; import java.util.LinkedList; import java.util.List; import java.util.Scanner; public class Main{ public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); final int N = sc.nextInt(); Point2D[] points = new Point2D[N]...
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import java.util.Scanner; public class Main { static Scanner sc = new Scanner(System.in); public static void main(String[] args) { int N = sc.nextInt(); if (N % 2 != 0) { System.out.println("NA"); return; } int[] X = new int[N]; int[] Y = new int[N]; int sx = 0; int sy = 0; for (int i = 0; i <...
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import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class Main { InputStream is; boolean __FILE_DEBUG_FLAG__ = false; String __DEBUG_FILE_N...
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import java.util.ArrayList; import java.util.Scanner; import java.util.stream.IntStream; public class Main { static boolean EQ(double x, double y) { return Math.abs(x - y) < 1.0e-9; } public static void main(String[] args) { try(Scanner sc = new Scanner(System.in)) { int n = sc.nextInt(); double[] xs = ne...
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#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(long long i = 0; i < (long long)(n); i++) #define pb push_back #define all(x) (x).begin(), (x).end() #define fi first #define se second #define mt make_tuple template<class T1, class T2> bool chmin(T1 &a, T2 b) { return b < a && (a = b, true); } templa...
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#include <cstdio> #include <cstring> #include <string> #include <cmath> #include <cassert> #include <iostream> #include <algorithm> #include <stack> #include <queue> #include <vector> #include <set> #include <map> #include <bitset> #include <fstream> using namespace std; #define repl(i,a,b) for(int i=(int)(a);i<(int)(...
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//ConvexCut #include <iostream> #include <complex> #include <cmath> #include <cstdio> #include <vector> #include <tuple> using namespace std; typedef complex<double> xy_t; double dot_product(xy_t a, xy_t b) { return (conj(a) * b).real(); } double cross_product(xy_t a, xy_t b) { return (conj(a) * b).imag(); } xy_t proj...
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#define _USE_MATH_DEFINES #define INF 0x3f3f3f3f #include <iostream> #include <cstdio> #include <sstream> #include <cmath> #include <cstdlib> #include <algorithm> #include <queue> #include <stack> #include <limits> #include <map> #include <string> #include <cstring> #include <set> #include <deque> #include <bitset> ...
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#include <bits/stdc++.h> using namespace std; typedef complex<double> P; int main() { int N; cin >> N; vector<P> points; for (int i = 0; i < N; i++) { double x, y; cin >> x >> y; points.push_back(P(x,y)); } P center = P(0,0); vector<double> sub; for (int i = 0;...
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#include <iostream> #include <vector> #include <algorithm> using namespace std; #define EPS (1e-10) #define equals(a, b) (fabs((a) - (b)) < EPS) int main(){ int n; cin>>n; vector<double> x(n), y(n); for(int i=0; i<n; i++) cin>>x[i]>>y[i]; vector<double> length; for(int i=0; i<n; i++){ dou...
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//include //------------------------------------------ #include <vector> #include <list> #include <map> #include <set> #include <deque> #include <stack> #include <bitset> #include <algorithm> #include <functional> #include <numeric> #include <utility> #include <sstream> #include <iostream> #include <iomanip> #include <...
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#include <iostream> #include <cstdio> #include <vector> #include <set> #include <map> #include <queue> #include <deque> #include <stack> #include <algorithm> #include <cstring> #include <functional> #include <cmath> #include <complex> using namespace std; #define rep(i,n) for(int i=0;i<(n);++i) #define rep1(i,n) for(in...
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#include <algorithm> #include <iostream> #include <vector> #include <iostream> #include <cstdio> #include <complex> #include <utility> #define X real() #define Y imag() #define EPS (1e-10) using namespace std; typedef complex<double> P; typedef pair<P,P> L; typedef vector<P> Poly; namespace std{ bool operator<(const ...
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#include<bits/stdc++.h> #define f first #define s second #define mp make_pair #define inf 1000000000 #define eps (1e-11) #define equals(a,b) (fabs((a)-(b))<eps) using namespace std; class Point{ public: double x,y; Point(double x=0,double y=0):x(x),y(y){} Point operator+(Point p){ return Point(x+p.x,y+p.y);} ...
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#include <bits/stdc++.h> using namespace std; #define int long long // <-----!!!!!!!!!!!!!!!!!!! #define rep(i,n) for (int i=0;i<(n);i++) #define rep2(i,a,b) for (int i=(a);i<(b);i++) #define rrep(i,n) for (int i=(n)-1;i>=0;i--) #define rrep2(i,a,b) for (int i=(a)-1;i>=b;i--) #define all(a) (a).begin(),(a).end() #de...
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#include <iostream> #include <cstdio> #define REP(i, a, n) for(int i = (a); i < (n); i++) using namespace std; struct point { int x, y; }; struct line { point p1, p2; }; bool parallel(line l1, line l2) { int s1 = (l1.p1.y - l1.p2.y) * (l2.p1.x - l2.p2.x); int s2 = (l1.p1.x - l1.p2.x) * (l2.p1.y - l2.p2.y); retu...
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#include<bits/stdc++.h> #define EPS (1e-7) #define N 50 using namespace std; int n,x[N],y[N],flag=1; double gx,gy; int main(){ cin>>n; for(int i=0;i<n;i++){ cin>>x[i]>>y[i]; gx+=x[i]; gy+=y[i]; } gx/=n; gy/=n; for(int i=0;i<n;i++){ double px=gx+(gx-x[i]),py=gy+(gy-y[i]); int f=0; for(int ...
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#include <cstdio> #include <algorithm> using namespace std; int main() { int N; scanf("%d", &N); int *X = new int[N]; int *Y = new int[N]; for(int i = 0; i < N; i++) { scanf("%d%d", X+i, Y+i); } if(N%2) { printf("NA\n"); return 0; } int x = X[0] + X[N/2]; int y = Y[0] + Y[N/2]; for(int ...
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#define _CRT_SECURE_NO_WARNINGS #pragma comment (linker, "/STACK:526000000") #include "bits/stdc++.h" using namespace std; typedef string::const_iterator State; #define eps 1e-11L #define MAX_MOD 1000000007LL #define GYAKU 500000004LL #define MOD 998244353LL #define seg_size 262144 * 4LL #define pb push_back #defin...
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#include <iostream> #include <vector> #include <algorithm> #include <iomanip> constexpr double E = 1e-8; int main() { int n; std::vector<std::pair<int, int>> v; std::pair<int, int> upperLeft(0, 0), bottomRight(0, 0); std::cin >> n; for (int i = 0; i < n; i++) { int x, y; std::cin >> x >> y...
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#include <bits/stdc++.h> using namespace std; #define EPS 1e-10 #define INF 1e9 #define equal(a,b) (fabs(a-b) < EPS) struct Point{ double x,y; Point(){} Point(double x,double y) : x(x),y(y) {} Point operator + (const Point &p)const{ return Point(x+p.x,y+p.y); } Point operator - (const Point &p)const{ ret...
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#include<iostream> #include<sstream> #include<algorithm> #include<set> #include<map> #include<queue> #include<complex> #include<cstdio> #include<cstdlib> #include<cstring> #include<cassert> #define rep(i,n) for(int i=0;i<(int)n;i++) #define all(c) (c).begin(),(c).end() #define mp make_pair #define pb push_back #define...
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#include<bits/stdc++.h> using namespace std; int main(){ int m; cin>>m; if(m%2){ cout<<"NA"<<endl; return 0; } m/=2; int a[50],a1[50],b[50],b1[50]; for(int i=0;i<m;++i){ cin>>a[i]>>b[i]; } for(int i=0;i<m;++i){ cin>>a1[i]>>b1[i]; } int ans1=a[0]+a1[0],ans2=b[0]+b1[0]; for(int i=1;i<m;++i){ if(a[...
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#include "bits/stdc++.h" #define REP(i,n) for(int i=0;i<(int)(n);i++) #define ALL(x) (x).begin(),(x).end() using namespace std; /* ??????????????¬ */ #include <complex> typedef long double ld; typedef complex<ld> Point;//????´???° const ld eps = 1e-9, pi = acos(-1.0); namespace std { bool operator<(const Point &...
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#include<bits/stdc++.h> #define r(i,n) for(int i=0;i<n;i++) using namespace std; int main(){ int a[50],b[50],n; cin>>n; double c=0,d=0; r(i,n){ cin>>a[i]>>b[i]; c+=a[i],d+=b[i]; } c/=n,d/=n; if(n%2)goto L; r(i,n/2)if(!abs((a[i]+a[(i+n/2)%n])/2.0-c)<0.0001||!abs((b[i]+b[(i+n/2)%n]...
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#include "bits/stdc++.h" using namespace std; // http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=2442&lang=jp // references:http://purple-jwl.hatenablog.com/entry/20121013/1350099039 typedef long long ll; typedef pair<ll, ll> Point; int main() { cin.tie(0); ios::sync_with_stdio(false); ll N; cin >> N; vecto...
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#include <stdio.h> #include <complex> #include <vector> using namespace std; #define rep(i, n) for (int i = 0; i < (n); i++) typedef complex<double> P; #define EPS (1e-9) inline double dot(const P& a, const P& b) { return real(conj(a)*b); } inline double cross(const P& a, const P& b) { return imag(conj(a)*b); } P cros...
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#include <stdio.h> #include <string.h> #include <algorithm> #include <iostream> #include <math.h> #include <assert.h> #include <vector> #include <queue> #include <string> #include <map> #include <set> using namespace std; typedef long long ll; typedef unsigned int uint; typedef unsigned long long ull; static const dou...
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#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; typedef pair<int, P> P3; const ll MOD = 1000000007; const int IINF = INT_MAX; const ll LLINF = LLONG_MAX; const int MAX_N = int(1e4 + 5); const double EPS = 1e-8; const int di[] = {0, 1, 0, -1}, dj[] = {1, 0, -1, 0}; #define R...
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#include <iostream> #include <complex> #include <vector> #include <cstdio> using namespace std; typedef complex<double> P; #define EPS (1e-8) int n; bool EQ(double a, double b){ if(fabs(a - b) < EPS){ return true; } return false; } int main(){ while(cin >> n){ vector<P> pol; for(int i = 0; i <...
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#include <bits/stdc++.h> typedef long long LL; #define SORT(c) sort((c).begin(),(c).end()) #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) using namespace std; int main(void) { int n; cin >> n; vector<int> x,y; double ansx2,ansy2; REP(i,n){ int tmp; cin >> tmp; x.push_ba...
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#include <bits/stdc++.h> using namespace std; typedef complex<long double> P; typedef pair<P, P> L; const long double INF = 1e+9; const long double EPS = 1e-5; bool equal(long double a, long double b){ return fabs(a-b) < EPS;} long double dot(P a, P b){ return real(conj(a)*b); } long double cross(P a, P b){ return i...
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#include <bits/stdc++.h> using namespace std; #define REP(i,a,b) for(int i=a;i<(int)b;i++) #define rep(i,n) REP(i,0,n) typedef complex<double> P; typedef vector<P> polygon; double const eps = 1e-7; polygon poly; struct line : public vector<P> { line(P const& a, P const& b) { push_back(a), push_back(b); } ...
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#include <cstdio> #include <cstdlib> #include <cmath> #include <climits> #include <cfloat> #include <map> #include <utility> #include <set> #include <iostream> #include <memory> #include <string> #include <vector> #include <algorithm> #include <functional> #include <sstream> #include <complex> #include <stack> #include...
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#include <bits/stdc++.h> using namespace std; #define fi first #define se second #define repl(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define repr(i,n) for(int i=(int)(n-1);i>=0;i--) #define rep(i,n) repl(i,0,n) #define each(itr,v) for(auto itr:v) #define pb(s) push_back(s) #define all(x) (x).begin(),(x).end() #defi...
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#include <iostream> #include <string> #include <sstream> #include <vector> #include <cstdio> using namespace std; typedef long double ld; struct Point { ld x, y; Point(ld x=0, ld y=0) : x(x), y(y) {} bool operator==(const Point &o) const { return x == o.x && y == o.y; } Point operator+(co...
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#include <iostream> #include <complex> #include <cstdio> using namespace std; typedef complex<double> xy_t; int main() { int N, x, y; xy_t P[60]; cin >> N; for ( int i = 0; i < N; i++ ) { cin >> x >> y; P[i] = xy_t( x, y ); } if ( N % 2 == 0 ) { xy_t a = ( P[0] + P[N/2] ) * 0.5; for ( int i = 1...
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#include <bits/stdc++.h> using namespace std; //#define int long long #define reps(i,s,n) for(int (i)=(s);(i)<(n);++(i)) #define rep(i,n) reps(i,0,n) #define rept(i,n) rep(i,(n)+1) #define repst(i,s,n) reps(i,s,(n)+1) #define reprt(i,n,t) for(int (i)=(n);(i)>=(t);--(i)) #define repr(i,n) reprt(i,n,0) #define each(itr,...
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#include <bits/stdc++.h> #define ll long long #define rep(i,n) for(ll (i)=0;(i)<(n);++(i)) using namespace std; const double EPS=1e-10; double add(double l, double r){ if(abs(l+r)<EPS*(abs(l)+abs(r))) return 0; return l+r; } //l-r は add(l,-r) //l==r は add(l,-r)==0 struct Pt{ double x, y; Pt(double xx=0...
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#include <cstdio> #include <cmath> #include <cstring> #include <cstdlib> #include <climits> #include <ctime> #include <queue> #include <stack> #include <algorithm> #include <list> #include <vector> #include <set> #include <map> #include <iostream> #include <deque> #include <complex> #include <string> #include <iomanip>...
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#include <iostream> #include <cstdio> #include <cassert> #include <cstring> #include <vector> #include <valarray> #include <array> #include <queue> #include <set> #include <unordered_set> #include <map> #include <unordered_map> #include <algorithm> #include <cmath> #include <complex> #include <random> #include <bitset>...
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#include<iostream> #include<string> #include<algorithm> #include<vector> #include<iomanip> #include<math.h> #include<complex> #include<queue> #include<deque> #include<stack> #include<map> #include<set> #include<bitset> #include<functional> #include<assert.h> #include<numeric> using namespace std; #define REP(i,m,n) for...
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#include <iostream> #include <vector> #include <iomanip> #include <cmath> using namespace std; constexpr double eps = 1e-10; int main() { int N; cin >> N; vector<double> x(N), y(N); for(int i=0; i<N; ++i) { cin >> x[i] >> y[i]; } if(N % 2 == 1) { cout << "NA" << endl; } els...
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#include <cstdio> #include <vector> #include <complex> using namespace std; typedef complex<double> P; static const double EPS = 1e-8; bool check(const vector<P>& v, P& ans) { int N = v.size(); if (N % 2 != 0) { return false; } N /= 2; ans = (v[0] + v[N])*0.5; for (int i = 1; i < N; i++) { const P ...
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#include <bits/stdc++.h> using namespace std; #define FOR(i,k,n) for(int i = (k); i < (n); i++) #define REP(i,n) FOR(i,0,n) #define ALL(a) a.begin(), a.end() #define MS(m,v) memset(m,v,sizeof(m)) #define D10 fixed<<setprecision(10) typedef long long ll; typedef long double ld; typedef vector<int> vi; typedef vector<str...
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#include <bits/stdc++.h> using namespace std; inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;} template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();} template<class T> inline T sqr(T x) {return x*x;} typedef vector<int> vi; typedef vector<vi> vvi; typed...
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#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i=0;i<n;++i) #define rep1(i,n) for(int i=1;i<=n;++i) struct Point{double x,y;}; int main(void){ int N; bool NA = false; cin>>N; vector<Point> p(N); rep(i,N)cin>>p[i].x>>p[i].y; NA = N&1; Point G = {(p[0].x+p[N/2].x)/2.0 ...
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#include <bits/stdc++.h> using namespace std; #define rep(i,x,y) for(int i=(x);i<(y);++i) #define debug(x) #x << "=" << (x) #ifdef DEBUG #define _GLIBCXX_DEBUG #define dump(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl #else #define dump(x) #endif typedef long long int ll; typedef pair<int,int> ...
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#include <iostream> #include <vector> #include <string> #include <stack> #include <queue> #include <deque> #include <set> #include <map> #include <algorithm> // require sort next_permutation count __gcd reverse etc. #include <cstdlib> // require abs exit atof atoi #include <cstdio> // require scanf printf #include <f...
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#include <bits/stdc++.h> using namespace std; const double EPS = 1e-12; const double PI = acos(-1.0); inline double SQ(double a){ return a * a; } inline bool EQ(double a, double b){ return abs(a - b) < EPS; } inline bool LT(double a, double b){ return a - b < -EPS; } inline bool LEQ(double a, double b){ return...
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#include <cmath> #include <cstdlib> #include <iostream> #include <vector> using namespace std; constexpr long double EPS = 1e-7; struct point { long double x, y; point(long double x = 0.0, long double y = 0.0):x(x), y(y) {} point(const point &p):x(p.x), y(p.y) {} point operator+(const point &p) const { return ...
941
Project_CodeNet
2,012
#include <iostream> #include <cstdio> #include <vector> #include <map> #include <string> #include <set> #include <stack> #include <queue> #include <algorithm> #include <cmath> #include <complex> #include <ctime> #include <cstdlib> using namespace std; // * XY座標 #define X real() #define Y imag() // * 点の表現 typedef comp...
845
Project_CodeNet
2,016
#include <iostream> #include <cmath> #include <vector> #include <algorithm> using namespace std; inline double add(double a, double b){ return abs(a+b)<(1e-10)*(abs(a)+abs(b)) ? 0.0 : a+b; } struct vec{ long double x,y; vec operator-(vec b){ return (vec){add(x,-b.x),add(y,-b.y)}; } vec ope...
441
Project_CodeNet
2,014
#include <algorithm> #include <iostream> #include <cstdio> #include <map> #include <set> #include <sstream> #include <string> #include <vector> #include <queue> using namespace std; typedef long long ll; typedef pair<int, int> P; int main() { int n; cin >> n; if (n % 2) { cout << "NA" << endl; return 0; } int...
230
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; typedef double frac; const double EPS=1e-10; double add(double l, double r){ if(abs(l+r)<EPS*(abs(l)+abs(r))) return 0; return l+r; } typedef double frac; struct Pt{ frac x, y; Pt(frac xx=0, frac yy=0){x=xx; y=yy;} Pt& operator=(const Pt &rhs){ ...
944
Project_CodeNet
2,013
#include <iostream> #include <cstdio> #include <cstdlib> #include <iomanip> #include <vector> #include <map> #include <set> #include <queue> #include <bitset> #include <stack> #include <utility> #include <numeric> #include <algorithm> #include <functional> #include <cctype> #include <complex> #include <string> #include...
369
Project_CodeNet
2,016
#include <bits/stdc++.h> using namespace std; #define rep(i,a,b) for(int i=a;i<b;i++) typedef complex<double> P; #define EPS 1e-10 #define PI acos(-1) bool isParallel(P a, P b) { double aa = arg(a); if (aa < 0) aa = arg(-a); if (aa < EPS) aa = PI; double ba = arg(b); if (ba < 0) ba = arg(-b); if (ba < EPS) ba ...
399
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; using CP = complex<long double>; #define X real() #define Y imag() const long double PI = acos(-1); const long double EPS = 1e-10; // conj(x) : complex conjugate,(0,1)->(0,-1) // abs(x) : dist between(0,0) and x // norm(x) : abs(x) * abs(x) // arg(x) : argment long double ...
449
Project_CodeNet
2,016
#include <iostream> #include <fstream> #include <cstdio> #include <cmath> #include <vector> #include <cstring> #include <string> #include <set> #include <map> #include <stack> #include <queue> #include <algorithm> using namespace std; #define REP(i,n) for(int i=0; i<n; ++i) #define FOR(i,a,b) for(int i=a; i<=b; ++i) ...
325
Project_CodeNet
2,015
#include<bits/stdc++.h> using namespace std; int main(){ int n; scanf("%d",&n); vector<int> x(n), y(n); for(int i=0;i<n;i++){ scanf("%d%d",&x[i],&y[i]); } if(n%2){ puts("NA"); }else{ set< pair<int,int> > med; for(int i=0;i<n/2;i++){ med.insert( make_pair( x[i]+x[i+n/2], y[i]+y[i+n...
183
Project_CodeNet
2,016
#include<bits/stdc++.h> using namespace std; #define int long long typedef vector<int>vint; typedef pair<int,int>pint; typedef vector<pint>vpint; #define rep(i,n) for(int i=0;i<(n);i++) #define reps(i,f,n) for(int i=(f);i<(n);i++) #define all(v) (v).begin(),(v).end() #define each(it,v) for(__typeof((v).begin()) it=(v)...
349
Project_CodeNet
2,020
#include <iostream> #ifdef MBP #include "stdc++.h" #else #include <bits/stdc++.h> #endif #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define REP(i, n) for (long long int i = 0, i##_len = (n); i < i##_len; ++i) #define REP1(i, n) for (long long int i = 1, i##_len = (n); i <= i##_len; ...
2,050
Project_CodeNet
2,018
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> using namespace std; ...
493
Project_CodeNet
2,013
#include <complex> #include <iostream> #include <cstdio> #include <string> #include <cmath> #include <sstream> class Point { public: Point(); Point(double x_in, double y_in); Point operator+(const Point& obj); Point operator-(const Point& obj); Point operator*(const double n); Point oper...
611
Project_CodeNet
2,019
#include<bits/stdc++.h> using namespace std; #define EPS 1e-10 #define equals(a,b) (fabs( (a) - (b) )< EPS ) // c++ 11,14 #define COUNTER_CLOCKWISE 1 #define CLOCKWISE -1 #define ONLINE_BACK 2 #define ONLINE_FRONT -2 #define ON_SEGMENT 0 typedef struct point{ double x,y; point(){}; point(double x ,double y):x(x),y(...
2,457
Project_CodeNet
2,020
#include <bits/stdc++.h> using namespace std; #define var auto using ll = long long; template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b)a=b;} template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b)a=b;} signed main(){ cin.tie(0); ios::sync_with_stdio(0); cout << setprec...
360
Project_CodeNet
2,019
#include <iostream> #include <list> #include <vector> #include <map> #include <set> #include <queue> #include <stack> #include <numeric> #include <algorithm> #include <cmath> #include <string> using namespace std; int main(){ int N, i; scanf("%d", &N); vector<double> X(N), Y(N); int Xsum = 0, Ysum = 0; for(i = 0;...
267
Project_CodeNet
2,019
#include <iostream> #include <iomanip> #include <vector> #include <cmath> using namespace std; constexpr long double EPS = 1e-10; class Point{ public: long double x,y; Point(long double x = 0.0, long double y = 0.0): x(x), y(y) {} Point operator + (const Point &p) const { return Point(x+p.x, y+p.y);...
577
Project_CodeNet
2,018
#include <bits/stdc++.h> #include<iostream> #include<cstdio> #include<vector> #include<queue> ...
1,743
Project_CodeNet
2,016
#include <queue> #include <iostream> #include <map> #include <vector> #include <string> #include <algorithm> #include <iomanip> using namespace std; #define rep(i,n) for(int i = 0;i < n;i++) #include <complex> typedef double D; typedef complex<D> P; typedef pair<P, P> L; typedef vector<P> VP; #define X real() #def...
679
Project_CodeNet
2,012
#include<cmath> #include<cstdio> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; const double EPS=1e-8; int main(){ int n; scanf("%d",&n); int x[50],y[50]; rep(i,n) scanf("%d%d",x+i,y+i); if(n%2==1){ puts("NA"); return 0; } double gx=0,gy=0; rep(i,n) gx+=x[i], gy+=y[i]; gx/=n; gy/=n; rep(i,...
211
Project_CodeNet
2,013
#include <vector> #include <map> #include <set> #include <stack> #include <queue> #include <algorithm> #include <utility> #include <functional> #include <sstream> #include <iostream> #include <cstdio> #include <cmath> #include <cstdlib> #include <cctype> #include <string> #include <cstring> #include <ctime> #include <c...
637
Project_CodeNet
2,018
#include<bits/stdc++.h> using namespace std; using ll=long long; using ld= long double; #define REP(i,n) for(ll i=0;i<ll(n);i++) #define ALL(v) v.begin(),v.end() #define EPS 1e-10 int main(){ int n; cin>>n; vector<ll> x(n),y(n); ld sumx=0,sumy=0; REP(i,n) { cin>>x[i]>>y[i]; sumx+=x[i]; sumy+=y[i]; } sumx...
233
Project_CodeNet
2,019
#include <iostream> #include <vector> #include <algorithm> #include <math.h> #include <set> #include <tuple> #include <iomanip> using namespace std; typedef long long ll; int main(void){ int n, x[55], y[55]; cin >> n; for (int i = 0; i < n; i++) { cin >> x[i] >> y[i]; x[i] *= 2; y[i] *= 2;...
487
Project_CodeNet
2,016
/*include*/ #include<iostream> #include<string> #include<algorithm> #include<map> #include<set> #include<utility> #include<vector> #include<cmath> #include<cstdio> #include<complex> #include<iomanip> #define loop(i,a,b) for(int i=a;i<b;i++) #define rep(i,a) loop(i,0,a) #define rp(a) while(a--) #define pb push_back #de...
3,271
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using P = pair<int, int>; using vi = vector<int>; using vvi = vector<vector<int>>; using vll = vector<ll>; using vvll = vector<vector<ll>>; const int MOD = 1000000007; const int INF = 1000000000; const ll LINF = 1ll<<50; templat...
944
Project_CodeNet
2,016
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define each(itr,c) for(__typeof(c.begin()) itr=c.begin(); itr!=c.end(); ++itr) #define all(x) (x).begin(),(x).end() #define mp make_pair #define pb push_back #define fi first #define se second typed...
351
Project_CodeNet
2,019
#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; vector<pair<int, int>> p(n); for(int i=0; i<n; i++){ cin >> p[i].first >> p[i].second; } if(n&1){ cout << "NA" << endl; return 0; } int ax, ay; for(int i=0; i*2 < n; i++){ int ...
225
Project_CodeNet
2,015
#include <bits/stdc++.h> using namespace std; typedef complex<double> P; const double eps = 1e-10; bool equals(double a, double b, double eps = 1e-10) { return abs(a-b) < eps; } double dot(P a, P b) { return a.real()*b.real() + a.imag()*b.imag(); } double cross(P a, P b) { return a.real()*b.imag() - a.i...
748
Project_CodeNet
2,012
#include <cstdio> #include <iostream> #include <sstream> #include <iomanip> #include <algorithm> #include <cmath> #include <string> #include <vector> #include <list> #include <queue> #include <stack> #include <set> #include <map> #include <bitset> #include <numeric> #include <climits> #include <cfloat> using namespace ...
421
Project_CodeNet
2,016
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < n; i++) #define PI 3.1415926535897932384626433832795028841971 #define INF 100000000 #define EPS 1e-15 #define MOD 1000000007 using namespace std; int n; double x[51], y[51]; double ax = 0.0, ay = 0.0; int main(){ cin >> n; if(n%2 == 1){ puts("NA"); re...
293
Project_CodeNet
2,016
#include<cstdio> #include<cstdlib> #include<cstring> #include<cmath> //#include<cctype> #include<climits> #include<iostream> #include<string> #include<vector> #include<map> //#include<list> #include<queue> #include<deque> #include<algorithm> //#include<numeric> #include<utility> //#include<memory> #include<functional> ...
880
Project_CodeNet
2,018
#include<bits/stdc++.h> typedef long long ll; typedef unsigned long long ull; using namespace std; #define pb push_back int dy[]={0, 0, 1, -1, 1, 1, -1, -1}; int dx[]={1, -1, 0, 0, 1, -1, -1, 1}; #define FOR(i,a,b) for (int i=(a);i<(b);i++) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) for (int i=0...
2,970
Project_CodeNet
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/* 友利奈緒ぱわーでACしてくれ!!!!!!!!!!!! Charlotteまだ見てない人は見ような!!!!!!! /  /:/              \:ヽ \         /  /                     \  ヽ      \__L 彡                    ヽ  ',        フ /   /  /  /   ,         ヽ  ',  j        レ    /  /  /                ',  ヽ j         //...
2,611
Project_CodeNet
2,017
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <cstdlib> using namespace std; /**************************************************************/ #define EPS (1e-10) #define equals(a, b) (fabs((a) - (b)) < EPS) #define PI acos(-1) #define rad(t) double(t)*PI/180.0 // ??? class Poin...
941
Project_CodeNet
2,016
#include <stdio.h> int N, X[50], Y[50], sx, sy; int main() { scanf("%d", &N); for(int i = 0; i < N; i++) { scanf("%d%d", &X[i], &Y[i]); sx += X[i]; sy += Y[i]; } if(N % 2 == 1) printf("NA\n"); else { bool flag = true; for(int i = 0; i < N / 2; i++) { flag = flag && ((1.0 * sx / N - X[i]) * 2 == (X[N /...
237