submission_id
stringlengths 10
10
| problem_id
stringlengths 6
6
| language
stringclasses 3
values | code
stringlengths 1
522k
| compiler_output
stringlengths 43
10.2k
|
|---|---|---|---|---|
s924409300
|
p00004
|
C
|
#include<stdio.h>
int main(){
double a,b,c,d,e,f,x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)!=EOF){
x=(c*e-f*b)/(a*e-d*b);
y=(c*d-f*a)/(b*d-e*a);
if((int)(x==0)x=0;
if((int)(y==0)y=0;
printf("%.3f %.3f\n",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:7:15: error: expected ')' before 'x'
7 | if((int)(x==0)x=0;
| ~ ^
| )
main.c:12:1: error: expected expression before '}' token
12 | }
| ^
main.c:12:1: error: expected declaration or statement at end of input
|
s988823342
|
p00004
|
C
|
float d,b,f,e,c,a;main(X){~scanf("%f",&a+--X)?main(X+5?X:!!printf("%.3f %.3f\n",(e-c*d)/a,d/=a*b-c*f,d=a*d-f*e)):0}
|
main.c:1:19: error: return type defaults to 'int' [-Wimplicit-int]
1 | float d,b,f,e,c,a;main(X){~scanf("%f",&a+--X)?main(X+5?X:!!printf("%.3f %.3f\n",(e-c*d)/a,d/=a*b-c*f,d=a*d-f*e)):0}
| ^~~~
main.c: In function 'main':
main.c:1:19: error: type of 'X' defaults to 'int' [-Wimplicit-int]
main.c:1:28: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
1 | float d,b,f,e,c,a;main(X){~scanf("%f",&a+--X)?main(X+5?X:!!printf("%.3f %.3f\n",(e-c*d)/a,d/=a*b-c*f,d=a*d-f*e)):0}
| ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
+++ |+#include <stdio.h>
1 | float d,b,f,e,c,a;main(X){~scanf("%f",&a+--X)?main(X+5?X:!!printf("%.3f %.3f\n",(e-c*d)/a,d/=a*b-c*f,d=a*d-f*e)):0}
main.c:1:28: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
1 | float d,b,f,e,c,a;main(X){~scanf("%f",&a+--X)?main(X+5?X:!!printf("%.3f %.3f\n",(e-c*d)/a,d/=a*b-c*f,d=a*d-f*e)):0}
| ^~~~~
main.c:1:28: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:1:60: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
1 | float d,b,f,e,c,a;main(X){~scanf("%f",&a+--X)?main(X+5?X:!!printf("%.3f %.3f\n",(e-c*d)/a,d/=a*b-c*f,d=a*d-f*e)):0}
| ^~~~~~
main.c:1:60: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:60: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:1:60: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:1:115: error: expected ';' before '}' token
1 | float d,b,f,e,c,a;main(X){~scanf("%f",&a+--X)?main(X+5?X:!!printf("%.3f %.3f\n",(e-c*d)/a,d/=a*b-c*f,d=a*d-f*e)):0}
| ^
| ;
|
s150070895
|
p00004
|
C
|
#include<stdio.h>
int main(void){
int a,b,c,d,e,f;
double ansx,ansy;
scanf("%d %d %d %d %d %d",a,b,c,d,e,f);
ansy = (b*f-c*e)/(a*f-c*d);
ansx = (f - e*ansy)/d;
printf("%f %f\n" ,anx,ansy);
return 0;
}
|
main.c: In function 'main':
main.c:11:20: error: 'anx' undeclared (first use in this function); did you mean 'ansx'?
11 | printf("%f %f\n" ,anx,ansy);
| ^~~
| ansx
main.c:11:20: note: each undeclared identifier is reported only once for each function it appears in
|
s944365407
|
p00004
|
C
|
#include<stdio.h>
double determinant(double a, double b, double c, double d)
{
return (a * d) - (b * c);
}
int main(void)
{
double a, b, c, d, e, f;
double A, D1, D2;
double x, y, X, Y;
while(scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f);)
{
A = determinant(a, b, d, e);
D1 = determinant(c, b, f, e);
D2 = determinant(a, c, d, f);
x = D1 / A;
y = D2 / A;
if(x >= 0 && y >= 0)
{
printf("%.3f %.3f", (x + 0.0005), (y + 0.0005));
}
else if(x < 0 && y >= 0)
{
printf("%.3f %.3f", (x - 0.0005), (y - 0.0005));
}
else if(x >= 0 && y < 0)
{
printf("%.3f %.3f", (x + 0.0005), (y - 0.0005));
}
else
{
printf("%.3f %.3f", (x + 0.0005), (y + 0.0005));
}
}
return 0;
}
|
main.c: In function 'main':
main.c:13:71: error: expected ')' before ';' token
13 | while(scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f);)
| ~ ^
| )
|
s283407271
|
p00004
|
C
|
#include<stdio.h>
int main(){
double a,b,c,d,e,f;
double x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)!=EOF){
x=(c*e-b*f)/(a*e-b*d);
y=(c*d-a*f)/(b*d-a*e);
printf("%lf %lf\n",x,y);
}
return 0;
|
main.c: In function 'main':
main.c:16:1: error: expected declaration or statement at end of input
16 | return 0;
| ^~~~~~
|
s572301668
|
p00004
|
C
|
#include<stdio.h>
#include<math.h>
float round_f(float x) {
if ( x > 0.0 ) {
return floor(x + 0.005);
} else {
return -1.0 * floor(fabs(x) + 0.005);
}
}
int main(){
float a,b,c,d,e,f,x,y;
while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)!=EOF){
x=(bf-ce)/(bd-ae);
x=round_f(x);
y=(af-cd)/(ae-bd);
y=roundf_(y);
printf("%.3f %.3f",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:15:4: error: 'bf' undeclared (first use in this function); did you mean 'f'?
15 | x=(bf-ce)/(bd-ae);
| ^~
| f
main.c:15:4: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:7: error: 'ce' undeclared (first use in this function); did you mean 'e'?
15 | x=(bf-ce)/(bd-ae);
| ^~
| e
main.c:15:12: error: 'bd' undeclared (first use in this function); did you mean 'd'?
15 | x=(bf-ce)/(bd-ae);
| ^~
| d
main.c:15:15: error: 'ae' undeclared (first use in this function); did you mean 'e'?
15 | x=(bf-ce)/(bd-ae);
| ^~
| e
main.c:17:4: error: 'af' undeclared (first use in this function); did you mean 'f'?
17 | y=(af-cd)/(ae-bd);
| ^~
| f
main.c:17:7: error: 'cd' undeclared (first use in this function); did you mean 'd'?
17 | y=(af-cd)/(ae-bd);
| ^~
| d
main.c:18:3: error: implicit declaration of function 'roundf_'; did you mean 'round_f'? [-Wimplicit-function-declaration]
18 | y=roundf_(y);
| ^~~~~~~
| round_f
|
s920046105
|
p00004
|
C
|
#include<stdio.h>
#include<math.h>
float round_f(float x) {
if ( x > 0.0 ) {
return floor(x + 0.005);
} else {
return -1.0 * floor(fabs(x) + 0.005);
}
}
int main(){
float a,b,c,d,e,f,x,y;
while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)!=EOF){
x=(b*f-ce)/(b*d-a*e);
x=round_f(x);
y=(a*f-c*d)/(a*e-b*d);
y=roundf_(y);
printf("%.3f %.3f",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:15:8: error: 'ce' undeclared (first use in this function); did you mean 'e'?
15 | x=(b*f-ce)/(b*d-a*e);
| ^~
| e
main.c:15:8: note: each undeclared identifier is reported only once for each function it appears in
main.c:18:3: error: implicit declaration of function 'roundf_'; did you mean 'round_f'? [-Wimplicit-function-declaration]
18 | y=roundf_(y);
| ^~~~~~~
| round_f
|
s242234966
|
p00004
|
C
|
#include<stdio.h>
#include<math.h>
float round_f(float x) {
if ( x > 0.0 ) {
return floor(x + 0.005);
} else {
return -1.0 * floor(fabs(x) + 0.005);
}
}
int main(){
float a,b,c,d,e,f,x,y;
while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)!=EOF){
x=(b*f-c*e)/(b*d-a*e);
x=round_f(x);
y=(a*f-c*d)/(a*e-b*d);
y=roundf_(y);
printf("%.3f %.3f",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:18:3: error: implicit declaration of function 'roundf_'; did you mean 'round_f'? [-Wimplicit-function-declaration]
18 | y=roundf_(y);
| ^~~~~~~
| round_f
|
s290051549
|
p00004
|
C
|
#include <stdio.h>
#include <math.h>
double round_d(double x) {
if ( x >= 0.0 ) {
return floor(x + 0.5);
} else {
return -1.0 * floor(fabs(x) + 0.5);
}
}
#include <stdio.h>
#include <math.h>
double round_d(double x) {
if ( x >= 0.0 ) {
return floor(x + 0.5);
} else {
return -1.0 * floor(fabs(x) + 0.5);
}
}
int main(){
double num1[100],num2[100],num3[100],num4[100],num5[100],num6[100],x=0.0,y=0.0;
int i,count=0;
for(i=0;i<2;i++){
if(scanf("%lf %lf %lf %lf %lf %lf",&num1[i],&num2[i],&num3[i],&num4[i],&num5[i],&num6[i])==EOF)break;
count++;
}
for(i=0;i<count;i++){
if((num1[i]==0&&num4[i]==0)!=1&&(num2[i]==0&&num5[i])!=1&&(num1[i]==0&&num2[i]==0)!=1&&(num4[i]==0&&num5[i]==0)!=1&&(num2[i]*num4[i]-num1[i]*num5[i])!=0.0){
if(num1[i]==0.0){y=num3[i]/num2[i];x=num6[i]/num4[i]-num3[i]*num5[i]/num2[i]*num4[i];}
else if(num2[i]==0.0){x=num3[i]/num1[i];y=num6[i]/num5[i]-num3[i]*num4[i]/num1[i]*num5[i];}
else if(num4[i]==0.0){y=num6[i]/num5[i];x=num3[i]/num1[i]-num2[i]*num6[i]/num1[i]*num5[i];}
else if(num5[i]==0.0){x=num6[i]/num4[i];y=num3[i]/num2[i]-num1[i]*num6[i]/num2[i]*num4[i];}
else{
x=(num2[i]*num6[i]-num3[i]*num5[i])/(num2[i]*num4[i]-num1[i]*num5[i]);
x=round_d(x*1000.0)/1000.0;
y=(num1[i]*num6[i]-num3[i]*num4[i])/(num1[i]*num5[i]-num2[i]*num4[i]);
y=round_d(y*1000.0)/1000.0;
}
}
printf("%.3f %.3f\n",x,y);
}
return 0;
}
|
main.c:15:8: error: redefinition of 'round_d'
15 | double round_d(double x) {
| ^~~~~~~
main.c:4:8: note: previous definition of 'round_d' with type 'double(double)'
4 | double round_d(double x) {
| ^~~~~~~
|
s050832046
|
p00004
|
C
|
#include <stdio.h>
#include <math.h>
double round_d(double x) {
if ( x >= 0.0 ) {
return floor(x + 0.5);
} else {
return -1.0 * floor(fabs(x) + 0.5);
}
}
int main(){
double num1[10000],num2[10000],num3[10000],num4[10000],num5[10000],num6[10000],x=0.0,y=0.0;
while(scanf("%lf %lf %lf %lf %lf %lf",&num1[i],&num2[i],&num3[i],&num4[i],&num5[i],&num6[i])!=EOF){
if((num1[i]==0&&num4[i]==0)!=1&&(num2[i]==0&&num5[i])!=1&&(num1[i]==0&&num2[i]==0)!=1&&(num4[i]==0&&num5[i]==0)!=1&&(num2[i]*num4[i]-
num1[i]*num5[i])!=0.0){
if(num1[i]==0.0){y=num3[i]/num2[i];x=num6[i]/num4[i]-num3[i]*num5[i]/num2[i]*num4[i];}
else if(num2[i]==0.0){x=num3[i]/num1[i];y=num6[i]/num5[i]-num3[i]*num4[i]/num1[i]*num5[i];}
else if(num4[i]==0.0){y=num6[i]/num5[i];x=num3[i]/num1[i]-num2[i]*num6[i]/num1[i]*num5[i];}
else if(num5[i]==0.0){x=num6[i]/num4[i];y=num3[i]/num2[i]-num1[i]*num6[i]/num2[i]*num4[i];}
else{
x=(num2[i]*num6[i]-num3[i]*num5[i])/(num2[i]*num4[i]-num1[i]*num5[i]);
x=round_d(x*1000.0)/1000.0;
y=(num1[i]*num6[i]-num3[i]*num4[i])/(num1[i]*num5[i]-num2[i]*num4[i]);
y=round_d(y*1000.0)/1000.0;
}
}
printf("%.3f %.3f\n",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:14:45: error: 'i' undeclared (first use in this function)
14 | while(scanf("%lf %lf %lf %lf %lf %lf",&num1[i],&num2[i],&num3[i],&num4[i],&num5[i],&num6[i])!=EOF){
| ^
main.c:14:45: note: each undeclared identifier is reported only once for each function it appears in
|
s003459638
|
p00004
|
C
|
#include <stdio.h>
#include <math.h>
double round_d(double x) {
if ( x >= 0.0 ) {
return floor(x + 0.5);
} else {
return -1.0 * floor(fabs(x) + 0.5);
}
}
int main(){
double num1,num2,num3,num4,num5,num6,x=0.0,y=0.0;
while(scanf("%lf %lf %lf %lf %lf %lf",&num1,&num2,&num3,&num4,&num5,&num6)!=EOF){
if((num1==0&&num4==0)!=1&&(num2==0&&num5)!=1&&(num1==0&&num2==0)!=1&&(num4==0&&num5==0)!=1&&(num2*num4-num1*num5)!=0.0){
if(num1==0.0){y=num3/num2;x=num6/num4-num3*num5/num2*num4;}
else if(num2==0.0){x=num3/num1;y=num6/num5-num3*num4/num1*num5;}
else if(num4==0.0){y=num6/num5;x=num3/num1-num2*num6/num1*num5;}
else if(num5==0.0){x=num6/num4;y=num3/num2-num1*num6/num2*num4;}
else{
x=(num2*num6-num3*num5)/(num2*num4-num1*num5);
x=round_d(x*1000.0)/1000.0;
y=(num1*num6-num3*num4)/(num1*num5-num2*num4);
y=round_d(y*1000.0)/1000.0;
}
else{break;}
}
printf("%.3f %.3f\n",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:26:1: error: expected '}' before 'else'
26 | else{break;}
| ^~~~
main.c: At top level:
main.c:30:1: error: expected identifier or '(' before 'return'
30 | return 0;
| ^~~~~~
main.c:31:1: error: expected identifier or '(' before '}' token
31 | }
| ^
|
s308696349
|
p00004
|
C
|
#include <stdio.h>
int main(void) {
double a, b, c, d, e, f;
double x, y;
while(scanf(buff,("%lf %lf %lf %lf %lf %lf"), &a, &b, &c, &d, &e, &f) != 6){
x = (c*e - f*b) / (a*e - b*d);
y = (c*d - f*a) / (b*d - a*e);
printf("%.3f %.3f\n",x ,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:7:21: error: 'buff' undeclared (first use in this function)
7 | while(scanf(buff,("%lf %lf %lf %lf %lf %lf"), &a, &b, &c, &d, &e, &f) != 6){
| ^~~~
main.c:7:21: note: each undeclared identifier is reported only once for each function it appears in
|
s729536932
|
p00004
|
C
|
#include <stdio.h>
int main(void) {
double a, b, c, d, e, f;
double x, y;
while(scanf("%lf%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e, &f) == 6) {
if( a < -1000 || a > 1000 ||
b < -1000 || b > 1000 ||
c < -1000 || d > 1000 ||
d < -1000 || d > 1000 ||
e < -1000 || e > 1000 ||
f < -1000 || f > 1000
) break;
x = (c*e - f*b) / (a*e - b*d);
y = (c*d - f*a) / (b*d - a*e);
printf("%.3f %.3f\n",x ,y);
}
}
return 0;
}
|
main.c:23:5: error: expected identifier or '(' before 'return'
23 | return 0;
| ^~~~~~
main.c:24:1: error: expected identifier or '(' before '}' token
24 | }
| ^
|
s770257613
|
p00004
|
C
|
#include <stdio.h>
int main(void) {
double a, b, c, d, e, f;
double x, y;
while(scanf("%lf%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e, &f) == 6) {
x = (c*e - f*b) / (a*e - b*d);
y = (c*d - f*a) / (b*d - a*e);
printf("%.3f %.3f\n",x ,y);
}
}
return 0;
}
|
main.c:13:5: error: expected identifier or '(' before 'return'
13 | return 0;
| ^~~~~~
main.c:14:1: error: expected identifier or '(' before '}' token
14 | }
| ^
|
s507643540
|
p00004
|
C
|
#include<stdio.h>
int det(int a00, int a01, int a10, int a11)
{
return a00*a11 - a01*a10;
}
int main()
{
int a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f)
{
int t = det(a, b, d, e);
printf("%.3f %.3f\n", (double)det(c, b, f, e) / t, (double)det(a, c, d, f) / t);
}
return 0;
}
|
main.c: In function 'main':
main.c:11:16: error: 'cin' undeclared (first use in this function)
11 | while (cin >> a >> b >> c >> d >> e >> f)
| ^~~
main.c:11:16: note: each undeclared identifier is reported only once for each function it appears in
|
s722565038
|
p00004
|
C
|
#include<stdio.h>
int main(void){
int a,b,c,d,e,f;
int num1=0,num2=0;
int x=0,y=0;
while (scanf("%lf %lf %lf %lf %lf %lf", &ax, &by, &c, &dx, &ey, &f) != EOF) {
y = (c * dx - ax * f) / (by * dx - ax * ey);
x = (c - by * y) / ax;
printf("%.3lf %.3lf\n", x, y);
}
return 0;
}
|
main.c: In function 'main':
main.c:9:51: error: 'ax' undeclared (first use in this function); did you mean 'x'?
9 | while (scanf("%lf %lf %lf %lf %lf %lf", &ax, &by, &c, &dx, &ey, &f) != EOF) {
| ^~
| x
main.c:9:51: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:56: error: 'by' undeclared (first use in this function); did you mean 'y'?
9 | while (scanf("%lf %lf %lf %lf %lf %lf", &ax, &by, &c, &dx, &ey, &f) != EOF) {
| ^~
| y
main.c:9:65: error: 'dx' undeclared (first use in this function); did you mean 'x'?
9 | while (scanf("%lf %lf %lf %lf %lf %lf", &ax, &by, &c, &dx, &ey, &f) != EOF) {
| ^~
| x
main.c:9:70: error: 'ey' undeclared (first use in this function); did you mean 'y'?
9 | while (scanf("%lf %lf %lf %lf %lf %lf", &ax, &by, &c, &dx, &ey, &f) != EOF) {
| ^~
| y
|
s099566501
|
p00004
|
C
|
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
int main(void)
{
int a,b,c,d,e,f;
double x,y,det;
while(scanf("%d%d%d%d%d%d",&a,&b,&c,&d,&e,&f)!=EOF){
det=(double)(a*e-b*ds);
x=(double)(c*e-b*f)/det;
y=(double)(-d*c+a*f)/det;
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:10:24: error: 'ds' undeclared (first use in this function); did you mean 'd'?
10 | det=(double)(a*e-b*ds);
| ^~
| d
main.c:10:24: note: each undeclared identifier is reported only once for each function it appears in
|
s666333632
|
p00004
|
C
|
#include<stdio.h>
int main(void)
{
double a,b,c,d,e,f,x,y;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)!=EOF)
{
x = ((c*e)-(b*f))/((a*e)-(b*d));
y = (c-a*x)/b;
if(x == -0.0) x = 0;
if(y == -0.0) y = 0;
printf("%.3lf %.3lf\n",x,y);
}
return 0;
|
main.c: In function 'main':
main.c:15:5: error: expected declaration or statement at end of input
15 | return 0;
| ^~~~~~
|
s392770034
|
p00004
|
C
|
#include<stdio.h>
int main(void){
double a,b,c,d,e,f,g,x,y;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f)!=EOF){
y=(f-c*d/a)/(e-b*d/a);
x=(f-c*e/b)/(d-a*e/b);
if(-0.0004<x&&x<=0)x=0;
if(-0.0004<y&&y<=0)y=0;
printf("%.3f %.3f\n",x,y);
}
return 0;
|
main.c: In function 'main':
main.c:17:5: error: expected declaration or statement at end of input
17 | return 0;
| ^~~~~~
|
s159612838
|
p00004
|
C
|
include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define DBG 0
#define BUFSIZE 40
static short h[6];
// return 0 : EOF
// 1 : read success
int getSimEq() {
char buf[BUFSIZE] = {0};
char *p;
int i, j;
if (NULL == fgets(buf, BUFSIZE, stdin)) {
if (DBG) {
fprintf (stderr, "EOF\n");
}
return 0;
}
buf[strlen(buf)-1] = 0;
if (DBG) {
fprintf(stderr, "input=%s\n", buf);
}
for (i=0, j=0, p = buf; j<6; j++, p = p+strlen(p)+1) {
for (; buf[i] != ' ' && i<BUFSIZE; i++);
buf[i] = 0;
h[j] = atoi(p);
}
if (DBG) {
fprintf(stderr, "h[*] =%d %d %d %d %d %d\n", h[0], h[1], h[2], h[3], h[4], h[5]);
}
return 1;
}
int main (void) {
float x, y, detr;
while (getSimEq()) {
// (h[0], h[1]) (x) = (h[2])
// (h[3], h[4]) (y) (h[5])
// (x) = 1/(h[0]*h[4]-h[1]*h[3]) (h[4], -h[1]) (h[2])
// (y) (-h[3], h[0]) (h[5])
// (x) = 1/(h[0]*h[4]-h[1]*h[3]) * ( h[4]*h[2] - h[1]*h[5])
// (y) = 1/(h[0]*h[4]-h[1]*h[3]) * (-h[3]*h[2] + h[0]*h[5])
detr = 1.0/(h[0]*h[4]-h[1]*h[3]);
x = detr * ( h[4]*h[2] - h[1]*h[5]);
y = detr * (-h[3]*h[2] + h[0]*h[5]);
// for negative 0
if (x == 0) x = 0;
if (y == 0) y = 0;
printf ("%.3f %.3f\n", x, y);
if (DBG) {
fprintf (stderr, "%f %f\n", x, y);
}
}
return 0;
}
|
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
1 | include <stdio.h>
| ^
In file included from main.c:2:
/usr/include/stdlib.h:98:8: error: unknown type name 'size_t'
98 | extern size_t __ctype_get_mb_cur_max (void) __THROW __wur;
| ^~~~~~
/usr/include/stdlib.h:57:1: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
56 | #include <bits/floatn.h>
+++ |+#include <stddef.h>
57 |
/usr/include/stdlib.h:531:25: error: unknown type name 'size_t'
531 | size_t __statelen) __THROW __nonnull ((2));
| ^~~~~~
/usr/include/stdlib.h:531:25: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:561:25: error: unknown type name 'size_t'
561 | size_t __statelen,
| ^~~~~~
/usr/include/stdlib.h:561:25: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:661:42: error: unknown type name 'size_t'
661 | extern void arc4random_buf (void *__buf, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:661:42: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:672:22: error: unknown type name 'size_t'
672 | extern void *malloc (size_t __size) __THROW __attribute_malloc__
| ^~~~~~
/usr/include/stdlib.h:672:22: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:675:22: error: unknown type name 'size_t'
675 | extern void *calloc (size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:675:22: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:675:38: error: unknown type name 'size_t'
675 | extern void *calloc (size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:675:38: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:683:36: error: unknown type name 'size_t'
683 | extern void *realloc (void *__ptr, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:683:36: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:695:41: error: unknown type name 'size_t'
695 | extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:695:41: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:695:57: error: unknown type name 'size_t'
695 | extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:695:57: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:701:41: error: unknown type name 'size_t'
701 | extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:701:41: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:701:57: error: unknown type name 'size_t'
701 | extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:701:57: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
In file included from /usr/include/stdlib.h:706:
/usr/include/alloca.h:32:22: error: unknown type name 'size_t'
32 | extern void *alloca (size_t __size) __THROW;
| ^~~~~~
/usr/include/alloca.h:25:1: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
24 | #include <stddef.h>
+++ |+#include <stddef.h>
25 |
/usr/include/stdlib.h:712:22: error: unknown type name 'size_t'
712 | extern void *valloc (size_t __size) __THROW __attribute_malloc__
| ^~~~~~
/usr/include/stdlib.h:712:22: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:718:45: error: unknown type name 'size_t'
718 | extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:718:45: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:718:65: error: unknown type name 'size_t'
718 | extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:718:65: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:724:29: error: unknown type name 'size_t'
724 | extern void *aligned_alloc (size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:724:29: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:724:49: error: unknown type name 'size_t'
724 | extern void *aligned_alloc (size_t __alignment, size_t __size)
| ^~~~~~
/usr/include/stdlib.h:724:49: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:961:23: error: unknown type name 'size_t'
961 | size_t __nmemb, size_t __size, __compar_fn_t __compar)
| ^~~~~~
/usr/include/stdlib.h:961:23: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:961:39: error: unknown type name 'size_t'
961 | size_t __nmemb, size_t __size, __compar_fn_t __compar)
| ^~~~~~
/usr/include/stdlib.h:961:39: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:970:34: error: unknown type name 'size_t'
970 | extern void qsort (void *__base, size_t __nmemb, size_t __size,
| ^~~~~~
/usr/include/stdlib.h:970:34: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:970:50: error: unknown type name 'size_t'
970 | extern void qsort (void *__base, size_t __nmemb, size_t __size,
| ^~~~~~
/usr/include/stdlib.h:970:50: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1044:20: error: unknown type name 'size_t'
1044 | size_t __len) __THROW __nonnull ((3, 4, 5));
| ^~~~~~
/usr/include/stdlib.h:1044:20: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1047:20: error: unknown type name 'size_t'
1047 | size_t __len) __THROW __nonnull ((3, 4, 5));
| ^~~~~~
/usr/include/stdlib.h:1047:20: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1051:45: error: unknown type name 'size_t'
1051 | char *__restrict __buf, size_t __len)
| ^~~~~~
/usr/include/stdlib.h:1051:45: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1055:45: error: unknown type name 'size_t'
1055 | char *__restrict __buf, size_t __len)
| ^~~~~~
/usr/include/stdlib.h:1055:45: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1062:36: error: unknown type name 'size_t'
1062 | extern int mblen (const char *__s, size_t __n) __THROW;
| ^~~~~~
/usr/include/stdlib.h:1062:36: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1066:48: error: unknown type name 'size_t'
1066 | const char *__restrict __s, size_t __n) __THROW;
| ^~~~~~
/usr/include/stdlib.h:1066:48: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1073:8: error: unknown type name 'size_t'
1073 | extern size_t mbstowcs (wchar_t *__restrict __pwcs,
| ^~~~~~
/usr/include/stdlib.h:1073:8: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1074:53: error: unknown type name 'size_t'
1074 | const char *__restrict __s, size_t __n) __THROW
| ^~~~~~
/usr/include/stdlib.h:1074:53: note: 'size_t' is defined in header '<stddef.h>'; this is probably fixable by adding '#include <stddef.h>'
/usr/include/stdlib.h:1077:8: error: unknown type name 'size_t'
1077 | extern size_t wcstombs (char *__restrict __s,
| ^~~~~~
/usr/include/stdlib.h:1077:8: note: 'size_t' is defined in header '<stddef.h>'; this is probab
|
s094860594
|
p00004
|
C
|
#include <stdio.h>
int main(void) {
int a, b, c, d, e, f;
while(scanf("%d %d %d %d %d %d"), &a, &b, &c, &d, &e, &f) == 6) {
printf("%5.3f %5.3f\n", (c*e-b*f)/(a*e-b*d)+0.0005, (d*a-c*b)/(a*e-d*b)+0.0005);
}
return 0;
}
|
main.c: In function 'main':
main.c:5:67: error: expected expression before '==' token
5 | while(scanf("%d %d %d %d %d %d"), &a, &b, &c, &d, &e, &f) == 6) {
| ^~
main.c:5:71: error: expected statement before ')' token
5 | while(scanf("%d %d %d %d %d %d"), &a, &b, &c, &d, &e, &f) == 6) {
| ^
|
s074954683
|
p00004
|
C
|
#include <stdio.h>
#include <math.h>
int main(void) {
int A1, B1, E1, A2, B2, E2;
double x, y;
while(scanf("%d %d %d %d %d %d", &A1, &B1, &E1, &A2, &B2, &E2) == 6) {
x = round(1.0*(E1*B2-B1*E2)/(A1*B2-B1*A2), 3);
y = round(1.0*(E2*A1-E1*A2)/(A1*B2-A2*B1), 3);
printf("%.3f %3f", x, y);
}
return 0;
}
double round(double src, int n) {
double dst;
dst = src * pow(10, -n - 1);
dst = (double)(int)(dst + 0.5);
return dst * pow(10, n + 1);
}
|
main.c: In function 'main':
main.c:8:21: error: too many arguments to function 'round'
8 | x = round(1.0*(E1*B2-B1*E2)/(A1*B2-B1*A2), 3);
| ^~~~~
In file included from /usr/include/features.h:523,
from /usr/include/x86_64-linux-gnu/bits/libc-header-start.h:33,
from /usr/include/stdio.h:28,
from main.c:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:334:1: note: declared here
334 | __MATHCALLX (round,, (_Mdouble_ __x), (__const__));
| ^~~~~~~~~~~
main.c:9:21: error: too many arguments to function 'round'
9 | y = round(1.0*(E2*A1-E1*A2)/(A1*B2-A2*B1), 3);
| ^~~~~
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:334:1: note: declared here
334 | __MATHCALLX (round,, (_Mdouble_ __x), (__const__));
| ^~~~~~~~~~~
main.c: At top level:
main.c:17:8: error: conflicting types for 'round'; have 'double(double, int)'
17 | double round(double src, int n) {
| ^~~~~
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:334:1: note: previous declaration of 'round' with type 'double(double)'
334 | __MATHCALLX (round,, (_Mdouble_ __x), (__const__));
| ^~~~~~~~~~~
|
s199734089
|
p00004
|
C
|
#include <stdio.h>
int main (void)
{
double a[6],b;
int i,c[2];
for(i=0;i<6;i++){
scanf("%lf",&a[i]);
}
if(a[0]==0)
{
b=a[3];
a[3]=a[0];
a[0]=b;
}
b=a[0];
a[0]/=b
a[1]/=b;
a[2]/=b;
//
b=a[3];
a[3]-=a[0]*b;
a[4]-=a[1]*b;
a[5]-=a[2]*b;
//
b=a[4];
a[4]*=1/b;
a[5]*=1/b;
//
b=a[1];
a[1]-=a[4]*b;
a[2]-=a[5]*b;
//
a[2]*=1000;
c[0]=a[2];
a[2]=c[0];
a[2]/=1000;
a[5]*=1000;
c[1]=a[5];
a[5]=c[1];
a[5]/=1000;
printf("%.3lf %.3lf\n",a[2],a[5]);
return 0;
}
|
main.c: In function 'main':
main.c:16:12: error: expected ';' before 'a'
16 | a[0]/=b
| ^
| ;
17 | a[1]/=b;
| ~
|
s341975355
|
p00004
|
C
|
#include <stdio.h>
int main(void){
int a, b, c, d, e, f, t;
unsigned double x, y;
while(scanf("%d %d %d %d %d %d", &a, &b, &c, &d, &e, &f) != EOF){
t = 1.0*a*e - 1.0*b*d;
x = (1.0*e*c - 1.0*b*f)/t + 0.0001;
y = (1.0*a*f - 1.0*d*c)/t + 0.0001;
printf("%.3f %.3f\n", x, y);
}
return 0;
}
|
main.c: In function 'main':
main.c:5:18: error: both 'unsigned' and 'double' in declaration specifiers
5 | unsigned double x, y;
| ^~~~~~
|
s861100533
|
p00004
|
C
|
#include <stdio.h>
int func(int a ,int b,int c,int d,int e,int f){
return (c*e-b*f)/(a*e-b*d);
}
int main(int argc, const char * argv[])
{
double ax, by, c, dx, ey, f;
double x, y;
while (scanf("%lf %lf %lf %lf %lf %lf", &ax, &by, &c, &dx, &ey, &f) != EOF) {
x=func(a,b,c,d,e,f);
y=((c-(ax*x))/by);
printf("%.3lf %.3lf\n", x, y);
}
return 0;
}
|
main.c: In function 'main':
main.c:14:16: error: 'a' undeclared (first use in this function)
14 | x=func(a,b,c,d,e,f);
| ^
main.c:14:16: note: each undeclared identifier is reported only once for each function it appears in
main.c:14:18: error: 'b' undeclared (first use in this function)
14 | x=func(a,b,c,d,e,f);
| ^
main.c:14:22: error: 'd' undeclared (first use in this function)
14 | x=func(a,b,c,d,e,f);
| ^
main.c:14:24: error: 'e' undeclared (first use in this function)
14 | x=func(a,b,c,d,e,f);
| ^
|
s639775772
|
p00004
|
C
|
#include <stdio.h>
int func(int a ,int b,int c,int d,int e,int f){
return (c*e-b*f)/(a*e-b*d);
}
int main(void){/*
double a,b,c,d,e,f,x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
x=func(a,b,c,d,e,f);
y=((c-(a*x))/b);
x = (double)((long)(x * 1000)) / 1000;
y = (double)((long)(y * 1000)) / 1000;
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:7:16: error: unterminated comment
7 | int main(void){/*
| ^
main.c:7:1: error: expected declaration or statement at end of input
7 | int main(void){/*
| ^~~
|
s234827860
|
p00004
|
C
|
#include <stdio.h>
int func(int a ,int b,int c,int d,int e,int f){
return (c*e-b*f)/(a*e-b*d);
}
int main(void){/*
double a,b,c,d,e,f,x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
x=func(a,b,c,d,e,f);
y=((c-(a*x))/b);
x = ((long)(x * 1000)) / 1000;
y = ((long)(y * 1000)) / 1000;
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:7:16: error: unterminated comment
7 | int main(void){/*
| ^
main.c:7:1: error: expected declaration or statement at end of input
7 | int main(void){/*
| ^~~
|
s642864555
|
p00004
|
C
|
int main(void){
double a,b,c,d,e,f,x,y;
while((scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)) != EOF){
y=(c*d-a*f)/(b*d-a*e)+0.00001;
x=(c-b*y)/a+0.00001;
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
|
main.c: In function 'main':
main.c:3:16: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
3 | while((scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)) != EOF){
| ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
+++ |+#include <stdio.h>
1 | int main(void){
main.c:3:16: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
3 | while((scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)) != EOF){
| ^~~~~
main.c:3:16: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:3:71: error: 'EOF' undeclared (first use in this function)
3 | while((scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f)) != EOF){
| ^~~
main.c:3:71: note: 'EOF' is defined in header '<stdio.h>'; this is probably fixable by adding '#include <stdio.h>'
main.c:3:71: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:17: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
6 | printf("%.3lf %.3lf\n",x,y);
| ^~~~~~
main.c:6:17: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:6:17: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:6:17: note: include '<stdio.h>' or provide a declaration of 'printf'
|
s352852622
|
p00004
|
C
|
#include <stdio.h>
int func(double a ,double b,double c,double d,double e,double f){
int y;
y=(c*d-a*f)/(b*d-a*e)+0.00001
return y;
}
int main(void){
double a,b,c,d,e,f,x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
y=func(a,b,c,d,e,f);
x=(c-b*y)/a+0.00001;
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
|
main.c: In function 'func':
main.c:5:38: error: expected ';' before 'return'
5 | y=(c*d-a*f)/(b*d-a*e)+0.00001
| ^
| ;
6 | return y;
| ~~~~~~
|
s713232986
|
p00004
|
C
|
#include <stdio.h>
void func(double a ,double b,double c,double d,double e,double f,double* x,double* y){
*y=(c*d-a*f)/(b*d-a*e)+0.00001;
*x=(c-b*(*y))/a+0.00001;
}
int main(void){
double a,b,c,d,e,f;
double* x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
//y=func(a,b,c,d,e,f);
//x=(c-b*y)/a+0.00001;
printf("%.3lf %.3lf\n",*x,*y);
}
return 0;
}
|
main.c: In function 'main':
main.c:14:43: error: invalid type argument of unary '*' (have 'double')
14 | printf("%.3lf %.3lf\n",*x,*y);
| ^~
|
s585426359
|
p00004
|
C
|
#include <stdio.h>
double func(double a ,double b,double c,double d,double e,double f){
return (c*d-a*f)/(b*d-a*e);
}
int main(void){
double a,b,c,d,e,f,x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
y=func(a,b,c,d,e,f);
x=(c-b*y)/a;
//func(a,b,c,d,e,f,x,y);
printf("%.3lf %.3lf\n",*x,*y);
}
return 0;
}
|
main.c: In function 'main':
main.c:13:40: error: invalid type argument of unary '*' (have 'double')
13 | printf("%.3lf %.3lf\n",*x,*y);
| ^~
main.c:13:43: error: invalid type argument of unary '*' (have 'double')
13 | printf("%.3lf %.3lf\n",*x,*y);
| ^~
|
s148108360
|
p00004
|
C
|
#include <stdio.h>
int main(int argc, const char * argv[])
{
double a, b, c, d, e, f;
double x, y;
while (scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) != -1) {
if (-1000 > a || a < 1000 || -1000 > b || b < 1000 || -1000 > c || c < 1000 || -1000 > d || d < 1000 || -1000 > e || e < 1000 || ||-1000 > f || f < 1000) {
exit(0);
}
x = (c*e-b*f)/(a*e-b*d);
y = (c*d-a*f)/(b*d-a*e);
printf("%.3lf %.3lf", x, y);
}
return 0;
}
|
main.c: In function 'main':
main.c:8:138: error: expected expression before '||' token
8 | if (-1000 > a || a < 1000 || -1000 > b || b < 1000 || -1000 > c || c < 1000 || -1000 > d || d < 1000 || -1000 > e || e < 1000 || ||-1000 > f || f < 1000) {
| ^~
main.c:9:13: error: implicit declaration of function 'exit' [-Wimplicit-function-declaration]
9 | exit(0);
| ^~~~
main.c:2:1: note: include '<stdlib.h>' or provide a declaration of 'exit'
1 | #include <stdio.h>
+++ |+#include <stdlib.h>
2 |
main.c:9:13: warning: incompatible implicit declaration of built-in function 'exit' [-Wbuiltin-declaration-mismatch]
9 | exit(0);
| ^~~~
main.c:9:13: note: include '<stdlib.h>' or provide a declaration of 'exit'
|
s771967946
|
p00004
|
C++
|
#include<iostream>
#include<cmath>
#include<string>
int main(int, char**)
{
double a, b, c, d, e, f = 0;
while (std::cin >> a >> b >> c >> d >> e >> f)
{
double y = (c * (a - d) - a * (c - f)) / (b * (a - d) - a * (b - e));
printf_s("%.3f %.3f\n", ((c - f) - (b - e) * y) / (a - d), y);
}
}
|
a.cc: In function 'int main(int, char**)':
a.cc:11:17: error: 'printf_s' was not declared in this scope; did you mean 'printf'?
11 | printf_s("%.3f %.3f\n", ((c - f) - (b - e) * y) / (a - d), y);
| ^~~~~~~~
| printf
|
s088769076
|
p00004
|
C++
|
#include<iostream>
#include<cmath>
#include<string>
int main(int, char**)
{
double a, b, c, d, e, f = 0;
while (std::cin >> a >> b >> c >> d >> e >> f)
{
double y = (c * (a - d) - a * (c - f)) / (b * (a - d) - a * (b - e));
printf_s("%.3f %.3f\n", ((c - f) - (b - e) * y) / (a - d), y);
}
}
|
a.cc: In function 'int main(int, char**)':
a.cc:11:17: error: 'printf_s' was not declared in this scope; did you mean 'printf'?
11 | printf_s("%.3f %.3f\n", ((c - f) - (b - e) * y) / (a - d), y);
| ^~~~~~~~
| printf
|
s509253494
|
p00004
|
C++
|
#include<iostream>
int main(int, char**)
{
double a, b, c, d, e, f = 0;
while (std::cin >> a >> b >> c >> d >> e >> f)
{
double y = std::roundl((c * (a - d) - a * (c - f)) / (b * (a - d) - a * (b - e)) * 1000.0) / 1000.0;
double x = std::roundl(((c - f) - (b - e) * y) / (a - d) * 1000.0) / 1000.0;
printf("%.3f %.3f\n", x + 0, y + 0);
}
}
|
a.cc: In function 'int main(int, char**)':
a.cc:8:33: error: 'roundl' is not a member of 'std'
8 | double y = std::roundl((c * (a - d) - a * (c - f)) / (b * (a - d) - a * (b - e)) * 1000.0) / 1000.0;
| ^~~~~~
a.cc:9:33: error: 'roundl' is not a member of 'std'
9 | double x = std::roundl(((c - f) - (b - e) * y) / (a - d) * 1000.0) / 1000.0;
| ^~~~~~
|
s190980864
|
p00004
|
C++
|
#include<cmath
#include<iostream>
int main(int, char**)
{
double a, b, c, d, e, f = 0;
while (std::cin >> a >> b >> c >> d >> e >> f)
{
double y = std::roundl((c * (a - d) - a * (c - f)) / (b * (a - d) - a * (b - e)) * 1000.0) / 1000.0;
double x = std::roundl(((c - f) - (b - e) * y) / (a - d) * 1000.0) / 1000.0;
printf("%.3f %.3f\n", x + 0, y + 0);
}
}
|
a.cc:1:15: error: missing terminating > character
1 | #include<cmath
| ^
|
s658367747
|
p00004
|
C++
|
using System;
// ガウス・ジョルダン法
// https://www.mk-mode.com/blog/2013/09/20/cpp-simultaneous-equation-by-gauss-jorden/#
namespace Prob0004
{
class Program
{
static void Main(string[] args)
{
const int COLUMN = 2;
const int ROW = 3;
string line;
while((line = Console.ReadLine()) != null)
{
// a[0][0]x + a[0][1]y = a[0][2]
// a[1][0]x + a[1][1]y = a[1][2]
string[] tokens = line.Split(' ');
double[,] a = new double[COLUMN, ROW];
for(int y = 0; y < COLUMN; y++)
{
for (int x = 0; x < ROW; x++)
{
a[y, x] = double.Parse(tokens[y * ROW + x]);
}
}
for(int y = 0; y < COLUMN; y++)
{
for (int x = 0; x < ROW; x++)
{
Console.Write("{0} ", a[y, x]);
}
Console.WriteLine("");
}
// pivot = (p, p)
double coef;
for (int p = 0; p < ROW - 1; p++)
{
// ピボットのある行要素への処理
coef = a[p, p];
for (int x = p; x < ROW; x++)
{
a[p, x] /= coef;
}
// ピボット以外の行要素への処理
for (int y = 0; y < COLUMN; y++)
{
if(p == y)
{
continue;
}
coef = a[y, p];
for (int x = p; x < ROW; x++)
{
a[y, x] -= a[p, x] * coef;
}
}
/*
Console.WriteLine("");
for (int y = 0; y < COLUMN; y++)
{
for (int x = 0; x < ROW; x++)
{
Console.Write("{0} ", a[y, x]);
}
Console.WriteLine("");
}
Console.WriteLine("");
*/
}
// outputs
for (int y = 0; y < COLUMN; y++)
{
Console.Write("{0} ", a[y, ROW - 1].ToString("F3"));
}
Console.WriteLine();
}
}
}
}
|
a.cc:1:7: error: expected nested-name-specifier before 'System'
1 | using System;
| ^~~~~~
a.cc:10:26: error: 'string' has not been declared
10 | static void Main(string[] args)
| ^~~~~~
a.cc:10:35: error: expected ',' or '...' before 'args'
10 | static void Main(string[] args)
| ^~~~
a.cc:95:6: error: expected ';' after class definition
95 | }
| ^
| ;
a.cc: In static member function 'static void Prob0004::Program::Main(int*)':
a.cc:16:13: error: 'string' was not declared in this scope
16 | string line;
| ^~~~~~
a.cc:17:20: error: 'line' was not declared in this scope
17 | while((line = Console.ReadLine()) != null)
| ^~~~
a.cc:17:27: error: 'Console' was not declared in this scope
17 | while((line = Console.ReadLine()) != null)
| ^~~~~~~
a.cc:17:50: error: 'null' was not declared in this scope
17 | while((line = Console.ReadLine()) != null)
| ^~~~
a.cc:21:24: error: expected primary-expression before ']' token
21 | string[] tokens = line.Split(' ');
| ^
a.cc:22:24: error: expected identifier before ',' token
22 | double[,] a = new double[COLUMN, ROW];
| ^
a.cc:22:24: error: expected ']' before ',' token
a.cc:22:23: error: structured binding declaration cannot have type 'double'
22 | double[,] a = new double[COLUMN, ROW];
| ^
a.cc:22:23: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:22:23: error: empty structured binding declaration
a.cc:22:27: error: expected initializer before 'a'
22 | double[,] a = new double[COLUMN, ROW];
| ^
a.cc:27:25: error: 'a' was not declared in this scope
27 | a[y, x] = double.Parse(tokens[y * ROW + x]);
| ^
a.cc:27:35: error: expected primary-expression before 'double'
27 | a[y, x] = double.Parse(tokens[y * ROW + x]);
| ^~~~~~
a.cc:36:47: error: 'a' was not declared in this scope
36 | Console.Write("{0} ", a[y, x]);
| ^
a.cc:48:28: error: 'a' was not declared in this scope
48 | coef = a[p, p];
| ^
a.cc:86:43: error: 'a' was not declared in this scope
86 | Console.Write("{0} ", a[y, ROW - 1].ToString("F3"));
| ^
|
s819337258
|
p00004
|
C++
|
#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
double x, y;
double a, b, c, d, e, f;
int J = 1;
while (J){
J = cin >> a >> b >> c >> d >> e >> f;
if ( J == 0)
break;
y = ((d * c) - (a * f)) / ((b * d) - (e * a));
x = (c - b * y) / a;
x *= 10000;
x = x + 0.5 - (x < 0);
x = (int)x;
x /= 10000;
y *= 10000;
y = y + 0.5 - (y < 0);
y = (int)y;
y /= 10000;
cout << setprecision(4) << showpoint << x << " " << y << endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:13:50: error: cannot convert 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} to 'int' in assignment
13 | J = cin >> a >> b >> c >> d >> e >> f;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
| |
| std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
|
s915775773
|
p00004
|
C++
|
#include<iostream>
#include<iomanip>
using namespace std;
int main()
{
double x, y;
double a, b, c, d, e, f;
int J = 1;
while (J){
J = (int)(cin >> a >> b >> c >> d >> e >> f);
if (J == 0)
break;
y = ((d * c) - (a * f)) / ((b * d) - (e * a));
x = (c - b * y) / a;
x *= 10000;
x = x + 0.5 - (x < 0);
x = (int)x;
x /= 10000;
y *= 10000;
y = y + 0.5 - (y < 0);
y = (int)y;
y /= 10000;
cout << setprecision(4) << showpoint << x << " " << y << endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:13:21: error: invalid cast from type 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} to type 'int'
13 | J = (int)(cin >> a >> b >> c >> d >> e >> f);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
s273797082
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
#include <cstdio>
using namespace std;
int main()
{
int a, b, c, d, e, f;
cout << showpoint << setprecision(3);
while (cin >> a >> b >> c >> d >> e >> f){
double x = ((double)(b*f - c*e)) / (double)(b*d - a*e);
double y = ((double)(c*d - a*f)) / (double)(b*d - a*e);
printf(".3f .3f", &x, &y)
}
cout.flush();
}
|
a.cc: In function 'int main()':
a.cc:13:34: error: expected ';' before '}' token
13 | printf(".3f .3f", &x, &y)
| ^
| ;
14 | }
| ~
|
s882238251
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
using namespace std;
int main()
{
int a, b, c, d, e, f;
cout << showpoint << setprecision(3);
while (cin >> a >> b >> c >> d >> e >> f){
double x = ((double)(b*f - c*e)) / (double)(b*d - a*e);
double y = ((double)(c*d - a*f)) / (double)(b*d - a*e);
//cout << x << ' ' << y << "\n";
//cout << ((double)(b*f - c*e)) / (double)(b*d - a*e) << ' ' << ((double)(c*d - a*f)) / (double)(b*d - a*e) << "\n";
printf("%.3f %.3f\n", x, y);
}
cout.flush();
}
|
a.cc: In function 'int main()':
a.cc:8:30: error: 'setprecision' was not declared in this scope
8 | cout << showpoint << setprecision(3);
| ^~~~~~~~~~~~
a.cc:3:1: note: 'std::setprecision' is defined in header '<iomanip>'; this is probably fixable by adding '#include <iomanip>'
2 | #include <cstdio>
+++ |+#include <iomanip>
3 | using namespace std;
|
s732201011
|
p00004
|
C++
|
#include<cstdio>
int main(void)
{
int a,b,c,d,e,f;
double x,y;
while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f))!=EOF)
{
y=(a*f-d*c)/(-(d*b)+a*e);
x=(c-b*y)/a;
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
/*
ax=c-by
->x=(c-by)/a
d((c-by)/a)+ey=f
(dc-dby)/a+ey=f
(dc-dby)+aey=af
-dby+aey=af-dc
y(-db+ae)=af-dc
->y=(af-dc)/(-db+ae)
*/
|
a.cc: In function 'int main()':
a.cc:6:60: error: expected primary-expression before '!=' token
6 | while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f))!=EOF)
| ^~
|
s126360129
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#ifndef repeat
#define repeat(i,n) for (int i = 0; i < (n); ++i)
#endif
#ifndef repeat_from
#define repeat_from(i,m,n) for (int i = (m); i < (n); ++i)
#endif
#ifndef repeat_one
#define repeat_one(i,n) for (int i = 1; i <= (n); ++i)
#endif
#ifndef repeat_rev
#define repeat_rev(i,n) for (int i = (n)-1; 0 <= i; --i)
#endif
#ifndef foreach
#define foreach(it, cont) for (typeof(cont.begin()) it = cont.begin(); it != cont.end(); ++it)
#endif
#include <vector>
#include <cmath>
#ifndef repeat
#define repeat(i,n) for (int i = 0; i < (n); ++i)
#endif
#ifndef repeat_from
#define repeat_from(i,m,n) for (int i = (m); i < (n); ++i)
#endif
#ifndef repeat_one
#define repeat_one(i,n) for (int i = 1; i <= (n); ++i)
#endif
#ifndef repeat_rev
#define repeat_rev(i,n) for (int i = (n)-1; 0 <= i; --i)
#endif
#ifndef foreach
#define foreach(it, cont) for (typeof(cont.begin()) it = cont.begin(); it != cont.end(); ++it)
#endif
#ifndef LIB_DEBUG_HPP
#define LIB_DEBUG_HPP
#ifdef DEBUG
#include <cassert>
#define debug(a) a
#else
#define debug(a)
#endif
#endif
#include <iostream>
// a11x1 + a12x2 + ... + a1m-1xm-1 = a1m
// a21x1 + a22x2 + ... + a2m-1xm-1 = a2m
// ... ... ...
// an1x1 + an2x2 + ... + anm-1xm-1 = anm
std::vector<double> gaussian_elim(std::vector<std::vector<double> > a) {
const int n = a.size();
#ifdef DEBUG
assert (0 < n);
#endif
const int m = a[0].size();
#ifdef DEBUG
repeat (i, n) assert ((int)a[i].size() == m);
assert (n == m-1);
#endif
// make an upper diagonal matrix
repeat (i, n) {
{
int pivot = -1;
repeat_from (j, i, n) {
const double eps = 1e-16;
if (eps < std::abs(a[j][i])) { pivot = j; break; }
}
#ifdef debug
assert (pivot != -1);
#endif
if (pivot != i) std::swap(a[i], a[pivot]);
}
repeat_from (j, i+1, m) a[i][j] /= a[i][i];
a[i][i] = 1;
repeat_from (j, i+1, n) {
repeat_from (k, i+1, m) {
a[j][k] -= a[j][i] * a[i][k];
}
a[j][i] = 0;
}
}
// gather the solutions
std::vector<double> result(n);
repeat_rev (i, n) {
result[i] = a[i][m-1];
repeat_from (j, i+1, n) {
result[i] -= a[i][j] * result[j];
}
}
return result;
}
using namespace std;
int main() {
// ax + by = c
// dx + ey = f
vector<vector<double> > v(2, vector<double>(3));
vector<double> w;
while (true) {
repeat (i,2) repeat (j,3) cin >> v[i][j];
if (cin.fail()) break;
w = gaussian_elim(v);
printf("%.3lf %.3lf\n", w[0], w[1]);
}
return 0;
}
|
a.cc: In function 'std::vector<double> gaussian_elim(std::vector<std::vector<double> >)':
a.cc:69:13: error: 'assert' was not declared in this scope
69 | assert (pivot != -1);
| ^~~~~~
a.cc:20:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
19 | #include <cmath>
+++ |+#include <cassert>
20 | #ifndef repeat
|
s415730743
|
p00004
|
C++
|
using namespace std;
int main(void){
int a,b,c,d,e,f;
double x,y;
while( cin>>a >>b >>c >>d >>e >>f){
x =(double) (e*c-b*f)/(a*e-b*d);
y =(double) (a*f-d*c)/(a*e-b*d);
if(x==0) x=0;
if(y==0) y=0;
printf("%.3f %.3f\n",x,y);
}
}
|
a.cc: In function 'int main()':
a.cc:6:11: error: 'cin' was not declared in this scope
6 | while( cin>>a >>b >>c >>d >>e >>f){
| ^~~
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:11:5: error: 'printf' was not declared in this scope
11 | printf("%.3f %.3f\n",x,y);
| ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
+++ |+#include <cstdio>
1 | using namespace std;
|
s351891037
|
p00004
|
C++
|
import sys
for line in sys.stdin:
a, b, c, d, e, f = map(float, line.split())
x = (c * e - b * f)/(a * e - b * d)
y = (a * f - c * d)/(a * e - b * d)
print '%f %f' % (x, y)
|
a.cc:8:11: warning: multi-character literal with 5 characters exceeds 'int' size of 4 bytes
8 | print '%f %f' % (x, y)
| ^~~~~~~
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'
|
s354926497
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
int main(){
double a, b, c, d, e, f, x, y;
while( cin >> a >> b >> c >> d >> e >> f ){
x = (c*e - b*f) / (a*e - b*d);
y = (c*d - a*f) / (b*d - a*e);
if( fabs(x) < 0.0005 ) x = 0.0;
if( fabs(y) < 0.0005 ) y = 0.0;
cout << fixed << std::setprecision(3) << x << " " << y << "\n";
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:10:21: error: 'fabs' was not declared in this scope; did you mean 'labs'?
10 | if( fabs(x) < 0.0005 ) x = 0.0;
| ^~~~
| labs
a.cc:11:21: error: 'fabs' was not declared in this scope; did you mean 'labs'?
11 | if( fabs(y) < 0.0005 ) y = 0.0;
| ^~~~
| labs
|
s492779244
|
p00004
|
C++
|
#include<queue>
#include<stack>
#include<cstdio>
using namespace std;
double a,b,c,d,e,f,x,y;
int main(){
while(cin>>a>>b>>c>>d>>e>>f){
x=(c*e-f*b)/(a*e-d*b);
y=(c-a*x)/b;
printf("%.3f %.3f\n",x+(1e-10),y+(1e-10));
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:7:15: error: 'cin' was not declared in this scope
7 | while(cin>>a>>b>>c>>d>>e>>f){
| ^~~
a.cc:4:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
3 | #include<cstdio>
+++ |+#include <iostream>
4 | using namespace std;
|
s338667327
|
p00004
|
C++
|
#include <iostream>
using namespace std;
int main(){
float a,b,c,d,e,f;
float x,y;
while(cin >> >> a >> b >> c >> d >> e >> f){
y = (c*d-a*f) / (b*d-a*e);
x = (c - b*y) /a;
printf("%.3f %.3f\n",x,y);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:7:16: error: expected primary-expression before '>>' token
7 | while(cin >> >> a >> b >> c >> d >> e >> f){
| ^~
|
s066815990
|
p00004
|
C++
|
#include<iostream>
#include<string>
#include<algorithm>
#include<map>
#include<set>
#include<utility>
#include<vector>
#include<cmath>
#include<cstdio>
#define loop(i,a,b) for(int i=a;i<b;i++)
#define rep(i,a) loop(i,0,a)
#define pb push_back
#define mp make_pair
#define it ::iterator
#define all(in) in.begin(),in.end()
const double PI=acos(-1);
const double ESP=1e-10;
using namespace std;
int main(){
double a,b,c,d,e,f;
while(cin>>a>>b>>c>>d>>e>>f){
double x=(c*e-b*f)/(a*e-b*d);
double y=(c-a*x)/b;
if(
printf("%.3f %.3f\n",x,y);
}
}
|
a.cc: In function 'int main()':
a.cc:26:3: error: expected primary-expression before '}' token
26 | }
| ^
a.cc:25:31: error: expected ')' before '}' token
25 | printf("%.3f %.3f\n",x,y);
| ^
| )
26 | }
| ~
a.cc:24:7: note: to match this '('
24 | if(
| ^
a.cc:26:3: error: expected primary-expression before '}' token
26 | }
| ^
|
s895257228
|
p00004
|
C++
|
module Input
def numread()
s = gets().split()
p = Array.new()
for i in 0...s.size()
p[i] = s[i].to_i()
end
return p
end
module_function:numread
end
include Input
loop{
if(STDIN.eof())
break
end
w = numread()
x = (w[2] * w[4] - w[1] * w[5]).to_f / (w[0] * w[4] - w[1] * w[3])
y = (w[2] * w[3] - w[0] * w[5]).to_f / (w[1] * w[3] - w[0] * w[4])
print(sprintf("%.3f %.3f\n",x,y))
}
|
a.cc:5:26: error: too many decimal points in number
5 | for i in 0...s.size()
| ^~~~~~~~~~
a.cc:1:1: error: 'module' does not name a type
1 | module Input
| ^~~~~~
a.cc:1:1: note: C++20 'module' only available with '-fmodules-ts'
|
s504962544
|
p00004
|
C++
|
#include <stdio.h>
#include <math.h>
int main(){
double a,b,c,e,f,y,x;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
y=((c*e)-(a*f))/((b*d)-(a*e));
x=(c*e)-(b*f)/((a*e)-(b*d));
printf("%.3lf %.3lf\n", x,y);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:5:44: error: 'd' was not declared in this scope
5 | while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
| ^
|
s478082847
|
p00004
|
C++
|
#include <stdio.h>
#include <math.h>
int main(){
double a,b,c,d,e,f,y[10000],x[10000];
int i=0,n;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
y[i]=((c*d)-(a*f))/((b*d)-(a*e));
x[i]=((c*e)-(b*f))/((a*e)-(b*d));
i++;
}
n=i;
for(i=0;i < n; i++){
if(x == 0){x = 0;}
if(y == 0){y = 0;}
printf("%.3lf %.3lf\n", x[i],y[i]);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:13:16: error: incompatible types in assignment of 'int' to 'double [10000]'
13 | if(x == 0){x = 0;}
| ~~^~~
a.cc:14:16: error: incompatible types in assignment of 'int' to 'double [10000]'
14 | if(y == 0){y = 0;}
| ~~^~~
|
s700170436
|
p00004
|
C++
|
#include<iostream>
#include<stdio.h>
using namespace std;
int main(){
double a,b,c,d,e,f,y[10000],x[10000];
int i=0,n;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
y[i]=((c*d)-(a*f))/((b*d)-(a*e));
x[i]=((c*e)-(b*f))/((a*e)-(b*d));
i++;
}
n=i;
for(i=0;i < n; i++){
if(x == 0){x = 0;}
if(y == 0){y = 0;}
printf("%.3lf %.3lf\n", x[i],y[i]);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:14:16: error: incompatible types in assignment of 'int' to 'double [10000]'
14 | if(x == 0){x = 0;}
| ~~^~~
a.cc:15:16: error: incompatible types in assignment of 'int' to 'double [10000]'
15 | if(y == 0){y = 0;}
| ~~^~~
|
s868967948
|
p00004
|
C++
|
#include<iostream>
#include<stdio.h>
using namespace std;
int main(){
double a,b,c,d,e,f,y[1000],x[1000];
int i=0,n;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
y[i]=((c*d)-(a*f))/((b*d)-(a*e));
x[i]=((c*e)-(b*f))/((a*e)-(b*d));
i++;
}
n=i;
for(i=0;i < n; i++){
if(x == 0){x = 0;}
if(y == 0){y = 0;}
printf("%.3lf %.3lf\n", x[i],y[i]);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:14:16: error: incompatible types in assignment of 'int' to 'double [1000]'
14 | if(x == 0){x = 0;}
| ~~^~~
a.cc:15:16: error: incompatible types in assignment of 'int' to 'double [1000]'
15 | if(y == 0){y = 0;}
| ~~^~~
|
s492290961
|
p00004
|
C++
|
#include<iostream>
#include<stdio.h>
using namespace std;
int main(){
double a,b,c,d,e,f,y,x;
int i=0,n;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
y=((c*d)-(a*f))/((b*d)-(a*e));
x=((c*e)-(b*f))/((a*e)-(b*d));
if(x == 0){x = 0;}
if(y == 0){y = 0;}
printf("%.3lf %.3lf\n", x,y);
}
i++;
}
return 0;
}
|
a.cc:16:3: error: expected unqualified-id before 'return'
16 | return 0;
| ^~~~~~
a.cc:17:1: error: expected declaration before '}' token
17 | }
| ^
|
s486214465
|
p00004
|
C++
|
#include<iostream>
#include<stdio.h>
using namespace std;
int main(){
double a,b,c,d,e,f,y,x;
int i=0,n;
while(scanf("%lf%lf%lf%lf%lf%lf",&a,&b,&c,&d,&e,&f) != EOF){
y=((c*d)-(a*f))/((b*d)-(a*e));
x=((c*e)-(b*f))/((a*e)-(b*d));
if(x == 0){x = 0;}
if(y == 0){y = 0;}
printf("%.3lf %.3lf\n", x,y);
}
i++;
}
return 0;
}
|
a.cc:16:3: error: expected unqualified-id before 'return'
16 | return 0;
| ^~~~~~
a.cc:17:1: error: expected declaration before '}' token
17 | }
| ^
|
s415741036
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#include <vector>
int main()
{
std::vector<int> x, y;
int a, b, c, d, p, q;
while (scanf_s("%d %d %d %d %d %d", &a, &b, &p, &c, &d, &q) != EOF)
{
x.push_back(d*p - b*q / (a*d - b*c));
y.push_back(p*c - a*q / (b*c - a*d));
}
for (int i = 0; i < x.size(); ++i)
std::cout << x[i] << " " << y[i] << std::endl;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:9:16: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
9 | while (scanf_s("%d %d %d %d %d %d", &a, &b, &p, &c, &d, &q) != EOF)
| ^~~~~~~
| scanf
|
s770342694
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#include <vector>
int main()
{
std::vector<int> x, y;
int a, b, c, d, p, q;
while (scanf_s("%d %d %d %d %d %d", &a, &b, &p, &c, &d, &q) != EOF)
{
x.push_back(d*p - b*q / (a*d - b*c));
y.push_back(p*c - a*q / (b*c - a*d));
}
for (int i = 0; i < x.size(); ++i)
std::cout << x[i] << " " << y[i] << std::endl;
return 0;
}
|
a.cc: In function 'int main()':
a.cc:9:16: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
9 | while (scanf_s("%d %d %d %d %d %d", &a, &b, &p, &c, &d, &q) != EOF)
| ^~~~~~~
| scanf
|
s703285238
|
p00004
|
C++
|
include <stdio.h>
int main() {
double a, b, c, d, e, f;
double x, y;
while(scanf("%lf%lf%lf%lf%lf%lf", &a, &b, &c, &d, &e, &f) != EOF) {
x = (c*e-b*f)/(a*e-b*d);
y = (a*f-c*d)/(a*e-b*d);
printf("%.3lf %.3lf\n", x, y);
}
return 0;
}
|
a.cc:1:1: error: 'include' does not name a type
1 | include <stdio.h>
| ^~~~~~~
|
s153745130
|
p00004
|
C++
|
package task0004;
import java.util.Scanner;
public class Main {
void run() {
Scanner sc = new Scanner(System.in);
while (sc.hasNext()) {
double a = sc.nextInt();
double b = sc.nextInt();
double c = sc.nextInt();
double d = sc.nextInt();
double e = sc.nextInt();
double f = sc.nextInt();
// 連立方程式の解
double x = (b * f - c * e) / (b * d - a * e);
double y = (c * d - a * f) / (b * d - a * e);
if (x == 0)
x = 0;
if (y == 0)
y = 0;
System.out.printf("%.3f %.3f\n", x, y);
// BigDecimal ax = new BigDecimal(x);
// BigDecimal ay = new BigDecimal(y);
//
// // 小数第4位を四捨五入
// ax = ax.setScale(3, BigDecimal.ROUND_HALF_UP);
// ay = ay.setScale(3, BigDecimal.ROUND_HALF_UP);
//
// System.out.println(ax + " " + ay);
}
sc.close();
}
void run1() {
Scanner sc = new Scanner(System.in);
double[] a = new double[6];
while (sc.hasNext()) {
for (int i = 0; i < 6; i++) {
a[i] = sc.nextDouble();
}
double d = a[0] * a[4] - a[1] * a[3];
double x = (a[4] * a[2] - a[1] * a[5]) / d;
double y = (a[0] * a[5] - a[3] * a[2]) / d;
if (x == 0)
x = 0;
if (y == 0)
y = 0;
System.out.printf("%.3f %.3f", x, y);
}
sc.close();
}
public static void main(String[] args) {
new Main().run1();
}
}
|
a.cc:1:1: error: 'package' does not name a type
1 | package task0004;
| ^~~~~~~
a.cc:3:1: error: 'import' does not name a type
3 | import java.util.Scanner;
| ^~~~~~
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 {
| ^~~~~~
|
s888780805
|
p00004
|
C++
|
#include<iostream>
#include<iomanip>
using namespace std;
int main(){
double a11,a12,c,a21,a22,f;
while(cin>>a11>>a12>>c>>a21>>a22>>f){
double x,y,delta=((double)a11*a22-(double)a12*a21);
x=((double)a22*c-(double)a12*f)/delta;
y=((double)a11*f-(double)c*a21)/delta;
if(x>0){x=(double)(((int)((x*1000)+0.5))/1000);
}else if{x=(double)(((int)((x*1000)-0.5))/1000);}else{x=0;}
if(y>0){y=(double)(((int)((y*1000)+0.5))/1000);
}else if{y=(double)(((int)((y*1000)-0.5))/1000);}else{y=0;}
cout<<fixed<<setprecision(3)<<x<<" "<<y<<endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:12:25: error: expected '(' before '{' token
12 | }else if{x=(double)(((int)((x*1000)-0.5))/1000);}else{x=0;}
| ^
| (
a.cc:12:66: error: 'else' without a previous 'if'
12 | }else if{x=(double)(((int)((x*1000)-0.5))/1000);}else{x=0;}
| ^~~~
a.cc:14:25: error: expected '(' before '{' token
14 | }else if{y=(double)(((int)((y*1000)-0.5))/1000);}else{y=0;}
| ^
| (
a.cc:14:66: error: 'else' without a previous 'if'
14 | }else if{y=(double)(((int)((y*1000)-0.5))/1000);}else{y=0;}
| ^~~~
|
s185030721
|
p00004
|
C++
|
#include<stdio.h>
int main(){
double a,b,c,d,e,f,x,y,dd;
y=0;x=0;
while(scanf("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &d, &e, &f) != EOF){
dd=e*a-b*d;
if(dd!=0;){
y=(d*c-a*f)/(b*d-a*e);
x=(e*c-b*f)/(e*a-b*d);
x=(x==fabs(x))?fabs(x):x;
y=(y==fabs(y))?fabs(y):y;
printf("%.3f %.3f\n",x,y);
}
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:8:10: error: expected primary-expression before ')' token
8 | if(dd!=0;){
| ^
a.cc:11:7: error: 'fabs' was not declared in this scope
11 | x=(x==fabs(x))?fabs(x):x;
| ^~~~
|
s789643354
|
p00004
|
C++
|
import java.text.DecimalFormat;
import java.util.Scanner;
class Main {
public static void main(String[] args){
Scanner scan = new Scanner(System.in);
double a = Double.parseDouble(scan.next());
double b = Double.parseDouble(scan.next());
double c = Double.parseDouble(scan.next());
double d = Double.parseDouble(scan.next());
double e = Double.parseDouble(scan.next());
double f = Double.parseDouble(scan.next());
DecimalFormat df = new DecimalFormat("0.000");
double x =(c*e-b*f)/(a*e-b*d);
double y = (a*f-c*d)/(a*e-b*d);
x = Math.floor((x+0.5)*1000)/1000;
x = Math.ceil((x-0.5)*1000)/1000;
y = Math.floor((y+0.5)*1000)/1000;
y = Math.ceil((y-0.5)*1000)/1000;
System.out.println(df.format(x)+" "+df.format(y) );
}
}
|
a.cc:1:1: error: 'import' does not name a type
1 | import java.text.DecimalFormat;
| ^~~~~~
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.util.Scanner;
| ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:7: error: expected ':' before 'static'
5 | public static void main(String[] args){
| ^~~~~~~
| :
a.cc:5:25: error: 'String' has not been declared
5 | public static void main(String[] args){
| ^~~~~~
a.cc:5:34: error: expected ',' or '...' before 'args'
5 | public static void main(String[] args){
| ^~~~
a.cc:25:2: error: expected ';' after class definition
25 | }
| ^
| ;
a.cc: In static member function 'static void Main::main(int*)':
a.cc:6:9: error: 'Scanner' was not declared in this scope
6 | Scanner scan = new Scanner(System.in);
| ^~~~~~~
a.cc:7:20: error: 'Double' was not declared in this scope; did you mean 'double'?
7 | double a = Double.parseDouble(scan.next());
| ^~~~~~
| double
a.cc:7:39: error: 'scan' was not declared in this scope
7 | double a = Double.parseDouble(scan.next());
| ^~~~
a.cc:13:9: error: 'DecimalFormat' was not declared in this scope
13 | DecimalFormat df = new DecimalFormat("0.000");
| ^~~~~~~~~~~~~
a.cc:16:13: error: 'Math' was not declared in this scope
16 | x = Math.floor((x+0.5)*1000)/1000;
| ^~~~
a.cc:21:9: error: 'System' was not declared in this scope
21 | System.out.println(df.format(x)+" "+df.format(y) );
| ^~~~~~
a.cc:21:28: error: 'df' was not declared in this scope; did you mean 'f'?
21 | System.out.println(df.format(x)+" "+df.format(y) );
| ^~
| f
|
s963301811
|
p00004
|
C++
|
#include <cstdio>
using namespace std;
int main() {
double a, b, c, d, e, f;
double x, y;
while (scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF) {
y = (c*d-f*a) / (b*d-e*a);
if (isnan(y)) y=0;
x = (c-b*y) / a;
if (isnan(x)) x=0;
printf("%.3f %.3f\n", x, y);
}
}
|
a.cc: In function 'int main()':
a.cc:10:13: error: 'isnan' was not declared in this scope
10 | if (isnan(y)) y=0;
| ^~~~~
a.cc:12:13: error: 'isnan' was not declared in this scope
12 | if (isnan(x)) x=0;
| ^~~~~
|
s258550098
|
p00004
|
C++
|
int main(void){
double a,b,c,d,e,f,i,j,x,y;
while (scanf("%f %f %f %f %f %f",&a,&b,&c,&d,&e,&f) != EOF) {
i=(c*e-f*b)/(a*e-d*b);
j=(c*d-f*a)/(b*d-e*a);
x=i+0.0005;
y=j+0.0005;
printf("%.3f %.3f\n",x,y);
return 0;
}
|
a.cc: In function 'int main()':
a.cc:3:8: error: 'scanf' was not declared in this scope
3 | while (scanf("%f %f %f %f %f %f",&a,&b,&c,&d,&e,&f) != EOF) {
| ^~~~~
a.cc:3:56: error: 'EOF' was not declared in this scope
3 | while (scanf("%f %f %f %f %f %f",&a,&b,&c,&d,&e,&f) != EOF) {
| ^~~
a.cc:1:1: note: 'EOF' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
+++ |+#include <cstdio>
1 | int main(void){
a.cc:8:1: error: 'printf' was not declared in this scope
8 | printf("%.3f %.3f\n",x,y);
| ^~~~~~
a.cc:8:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
a.cc:10:2: error: expected '}' at end of input
10 | }
| ^
a.cc:1:15: note: to match this '{'
1 | int main(void){
| ^
|
s463679628
|
p00004
|
C++
|
#include<iostream>
#include<cstdio>
using namespace std;
double A,B,C,D,E,F;
int main()
{
while(cin >> A >> B >> C >> D >> E >> F){
printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-f*a)/(b*d-a*e));
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:8:25: error: 'c' was not declared in this scope
8 | printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-f*a)/(b*d-a*e));
| ^
a.cc:8:27: error: 'e' was not declared in this scope
8 | printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-f*a)/(b*d-a*e));
| ^
a.cc:8:29: error: 'b' was not declared in this scope
8 | printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-f*a)/(b*d-a*e));
| ^
a.cc:8:31: error: 'f' was not declared in this scope
8 | printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-f*a)/(b*d-a*e));
| ^
a.cc:8:35: error: 'a' was not declared in this scope
8 | printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-f*a)/(b*d-a*e));
| ^
a.cc:8:39: error: 'd' was not declared in this scope
8 | printf("%.3f %.3f\n",(c*e-b*f)/(a*e-d*b),(c*d-f*a)/(b*d-a*e));
| ^
|
s610060839
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
float a,b,c,d,e,f;
float findoutx,findouty;
float x,y,yadd;
float Timers1,Timers2;
int main()
{
while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
{
Timers1 = a;
Timers2 = d;
a=a*Timers2;
b=b*Timers2;
c=c*Timers2;
d=d*Timers1;
e=e*Timers1;
f=f*Timers1;
findouty=b-e;
yadd = c-f;
findouty = yadd/findouty;
b = b*findouty;
findoutx=(c-b)/a;
if(findoutx==0)findoutx=0;
if(findouty==0)findouty=0;
cout<<fixed<<setprecision(3)<<findoutx << " "<<findouty<<endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:11:46: error: no match for 'operator!=' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'int')
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
| |
| std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
a.cc:11:46: note: candidate: 'operator!=(int, int)' (built-in)
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^
a.cc:11:46: note: no known conversion for argument 1 from 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:197:5: note: candidate: 'template<class _StateT> bool std::operator!=(const fpos<_StateT>&, const fpos<_StateT>&)'
197 | operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:197:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/14/cstdio:42,
from /usr/include/c++/14/ext/string_conversions.h:45,
from /usr/include/c++/14/bits/basic_string.h:4154,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::fpos<_StateT>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:243:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const allocator<_CharT>&, const allocator<_T2>&)'
243 | operator!=(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:243:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::allocator<_CharT>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
455 | operator!=(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
500 | operator!=(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1686 | operator!=(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1753 | operator!=(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1052 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::pair<_T1, _T2>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47:
/usr/include/c++/14/string_view:651:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
651 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:651:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/string_view:658:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
658 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:658:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/string_view:666:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
666 | operator!=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:666:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/basic_string.h:3833:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3833 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3833:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/basic_string.h:3847:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3847 | operator!=(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3847:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: mismatched types 'const _CharT*' and 'std::basic_istream<char>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/basic_string.h:3860:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3860 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3860:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/
|
s904344991
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
#include <algorithm>
using namespace std;
float a,b,c,d,e,f;
float findoutx,findouty;
float x,y,yadd;
float Timers1,Timers2;
int main()
{
while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
{
Timers1 = a;
Timers2 = d;
a=a*Timers2;
b=b*Timers2;
c=c*Timers2;
d=d*Timers1;
e=e*Timers1;
f=f*Timers1;
findouty=b-e;
yadd = c-f;
findouty = yadd/findouty;
b = b*findouty;
findoutx=(c-b)/a;
if(findoutx==0)findoutx=0;
if(findouty==0)findouty=0;
cout<<fixed<<setprecision(3)<<findoutx << " "<<findouty<<endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:11:46: error: no match for 'operator!=' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'int')
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
| |
| std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
a.cc:11:46: note: candidate: 'operator!=(int, int)' (built-in)
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^
a.cc:11:46: note: no known conversion for argument 1 from 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:197:5: note: candidate: 'template<class _StateT> bool std::operator!=(const fpos<_StateT>&, const fpos<_StateT>&)'
197 | operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:197:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/14/cstdio:42,
from /usr/include/c++/14/ext/string_conversions.h:45,
from /usr/include/c++/14/bits/basic_string.h:4154,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::fpos<_StateT>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:243:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const allocator<_CharT>&, const allocator<_T2>&)'
243 | operator!=(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:243:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::allocator<_CharT>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
455 | operator!=(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
500 | operator!=(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1686 | operator!=(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1753 | operator!=(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1052 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::pair<_T1, _T2>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47:
/usr/include/c++/14/string_view:651:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
651 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:651:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/string_view:658:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
658 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:658:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/string_view:666:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
666 | operator!=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:666:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/basic_string.h:3833:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3833 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3833:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/basic_string.h:3847:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3847 | operator!=(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3847:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: mismatched types 'const _CharT*' and 'std::basic_istream<char>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
/usr/include/c++/14/bits/basic_string.h:3860:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3860 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3860:5: note: template argument deduction/substitution failed:
a.cc:11:48: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
11 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF)
| ^~~
In file included from /usr/include/c++/14/
|
s204554495
|
p00004
|
C++
|
#include <iostream>
#include <array>
#include <vector>
#include <cmath>
#include <iomanip>
using namespace std;
//?????¨?????\
double round_four(double value){
value *= 1000;
value += (value / fabs(value)) * 0.5;
int nValue = static_cast<int>(value);
value = static_cast<double>(nValue) / 1000;
return value;
}
//????¬?????¨?????§£
array<double, 2> comp_linear_equation(int a, int b, int c, int d, int e, int f){
array<double, 2> result;
result[0] = static_cast<double>(e * c - (f * b));
result[1] = static_cast<double>(-(d * c) + a * f);
double num = 1.0 / ((a * e) - (b * d));
result[0] *= num;
result[1] *= num;
result[0] = round_four(result[0]);
result[1] = round_four(result[1]);
return result;
}
//?????????
int main(){
int a, b, c, d, e, f;
vector<array<double, 2>> result;
while (cin >> a >> b >> c >> d >> e >> f){
result.push_back(comp_linear_equation(a, b, c, d, e, f));
}
for (const auto& element : result){
for (auto num : element){
cout << fixed << setprecision(3) << num << " ";
}
cout << endl;
}
return 0;
}
|
a.cc:11:5: error: 'value' does not name a type
11 | value *= 1000;
| ^~~~~
a.cc:12:5: error: 'value' does not name a type
12 | value += (value / fabs(value)) * 0.5;
| ^~~~~
a.cc:13:35: error: 'value' was not declared in this scope; did you mean 'nValue'?
13 | int nValue = static_cast<int>(value);
| ^~~~~
| nValue
a.cc:14:5: error: 'value' does not name a type
14 | value = static_cast<double>(nValue) / 1000;
| ^~~~~
a.cc:15:5: error: expected unqualified-id before 'return'
15 | return value;
| ^~~~~~
a.cc:16:1: error: expected declaration before '}' token
16 | }
| ^
a.cc: In function 'std::array<double, 2> comp_linear_equation(int, int, int, int, int, int)':
a.cc:26:17: error: 'round_four' was not declared in this scope
26 | result[0] = round_four(result[0]);
| ^~~~~~~~~~
|
s130817449
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#define N 2
using namespace std;
class Calc{
public:
double A[N][N+1];
int i, j, k;
void calcSi();
void printSi();
}
void Calc::calcSi(){
for(i=0;i<N-1;i++){
for(j=i+1;j<N;j++){
int tmp = A[j][i] / A[i][i];
for(k=i+1; k<=N; k++)
A[j][k] -= A[i][k] * tmp;
}
}
for(i=N-1; i>=0; i--){
tmp = A[i][N];
for(j=i+1;j<N;j++)
tmp -= A[i][j] * A[j][N];
A[i][N] = tmp / A[i][i];
}
}
void Calc::printSi(){
for(i=0;i<N;i++){
printf("%.3f",A[i][N]);
if(i != N) {
cout << " ";
}
}
cout << endl;
}
int main(void){
Calc c;
int i;
while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
{
c.calcSi();
c.printSi();
}
return 0;
}
|
a.cc:13:2: error: expected ';' after class definition
13 | }
| ^
| ;
a.cc: In member function 'void Calc::calcSi()':
a.cc:25:9: error: 'tmp' was not declared in this scope; did you mean 'tm'?
25 | tmp = A[i][N];
| ^~~
| tm
a.cc: In function 'int main()':
a.cc:45:16: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'double')
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ~~~~ ^~ ~~~~~~~~~
| | |
| | double
| std::ostream {aka std::basic_ostream<char>}
In file included from /usr/include/c++/14/string:55,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
835 | operator>>(basic_istream<_CharT, _Traits>& __in,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.tcc:835:5: note: template argument deduction/substitution failed:
a.cc:45:27: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
from /usr/include/c++/14/string:68:
/usr/include/c++/14/cstddef:131:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(byte, _IntegerType)'
131 | operator>>(byte __b, _IntegerType __shift) noexcept
| ^~~~~~~~
/usr/include/c++/14/cstddef:131:5: note: template argument deduction/substitution failed:
a.cc:45:11: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^~~~
In file included from /usr/include/c++/14/istream:1109,
from /usr/include/c++/14/iostream:42:
/usr/include/c++/14/bits/istream.tcc:978:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)'
978 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
| ^~~~~~~~
/usr/include/c++/14/bits/istream.tcc:978:5: note: template argument deduction/substitution failed:
a.cc:45:27: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
/usr/include/c++/14/istream:849:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)'
849 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:849:5: note: template argument deduction/substitution failed:
a.cc:45:27: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
/usr/include/c++/14/istream:854:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)'
854 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c)
| ^~~~~~~~
/usr/include/c++/14/istream:854:5: note: template argument deduction/substitution failed:
a.cc:45:27: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
/usr/include/c++/14/istream:896:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)'
896 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:896:5: note: template argument deduction/substitution failed:
a.cc:45:27: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
/usr/include/c++/14/istream:939:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)'
939 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:939:5: note: template argument deduction/substitution failed:
a.cc:45:27: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
/usr/include/c++/14/istream:945:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)'
945 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s)
| ^~~~~~~~
/usr/include/c++/14/istream:945:5: note: template argument deduction/substitution failed:
a.cc:45:27: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>'
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
/usr/include/c++/14/istream:1099:5: note: candidate: 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
/usr/include/c++/14/istream:1099:5: note: template argument deduction/substitution failed:
/usr/include/c++/14/istream: In substitution of 'template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = double&]':
a.cc:45:27: required from here
45 | while(cout >> c.A[0][0] >> c.A[0][1] >> c.A[0][2] >> c.A[1][0] >> c.A[1][1] >> c.A[1][2])
| ^
/usr/include/c++/14/istream:1099:5: error: no type named 'type' in 'struct std::enable_if<false, void>'
1099 | operator>>(_Istream&& __is, _Tp&& __x)
| ^~~~~~~~
|
s930165571
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#define N 2
using namespace std;
class Calc{
private:
double A[N][N+1];
int i, j, k;
double tmp;
public:
void setNum(double**);
void calcSi();
void printSi();
};
void Calc::setNum(double** A){
for(i=0;i<N;i++){
for(j=0;j<N+1;j++){
this->A[i][j] = A[i][j];
}
}
}
void Calc::calcSi(){
for(i=0;i<N-1;i++){
for(j=i+1;j<N;j++){
tmp = A[j][i] / A[i][i];
for(k=i+1; k<=N; k++)
A[j][k] -= A[i][k] * tmp;
}
}
for(i=N-1; i>=0; i--){
tmp = A[i][N];
for(j=i+1;j<N;j++)
tmp -= A[i][j] * A[j][N];
A[i][N] = tmp / A[i][i];
}
}
void Calc::printSi(){
for(i=0;i<N;i++){
printf("%.3f",A[i][N]);
if(i != N) {
cout << " ";
}
}
cout << endl;
}
int main(void){
Calc c;
double A[N][N+1];
while(cin >> A[0][0] >> A[0][1] >> A[0][2] >> A[1][0] >> A[1][1] >> A[1][2]){
c.setNum(A);
c.calcSi();
c.printSi();
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:56:18: error: cannot convert 'double [2][3]' to 'double**'
56 | c.setNum(A);
| ^
| |
| double [2][3]
a.cc:17:28: note: initializing argument 1 of 'void Calc::setNum(double**)'
17 | void Calc::setNum(double** A){
| ~~~~~~~~~^
|
s572929741
|
p00004
|
C++
|
require("fs").readFileSync("/dev/stdin","utf8").trim().split('\n').map(function(z){i=z.split(' ');console.log(x=((i[2]*i[4]-i[1]*i[5])/(i[0]*i[4]-i[1]*i[3])).toFixed(3),((i[2]-i[0]*x)/i[1]).toFixed(3))})
|
a.cc:1:8: error: expected constructor, destructor, or type conversion before '(' token
1 | require("fs").readFileSync("/dev/stdin","utf8").trim().split('\n').map(function(z){i=z.split(' ');console.log(x=((i[2]*i[4]-i[1]*i[5])/(i[0]*i[4]-i[1]*i[3])).toFixed(3),((i[2]-i[0]*x)/i[1]).toFixed(3))})
| ^
a.cc:1:203: error: expected unqualified-id before ')' token
1 | require("fs").readFileSync("/dev/stdin","utf8").trim().split('\n').map(function(z){i=z.split(' ');console.log(x=((i[2]*i[4]-i[1]*i[5])/(i[0]*i[4]-i[1]*i[3])).toFixed(3),((i[2]-i[0]*x)/i[1]).toFixed(3))})
| ^
|
s008927566
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
using namespace std;
int main(){
double a , b , c , d , e , f ,ans1 , ans2;
while(cin>>a>>b>>c>>d>>e>>f){
ans1=(double)((c*e-b*f)/(a*e-b*d));
ans2=(double)((c*d-a*f)/(b*d-a*e));
if (x==0) x=0;
if (y==0) y=0;
printf("%.3f %.3f\n" , ans1 , ans2);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:10:21: error: 'x' was not declared in this scope
10 | if (x==0) x=0;
| ^
a.cc:11:21: error: 'y' was not declared in this scope
11 | if (y==0) y=0;
| ^
|
s813219757
|
p00004
|
C++
|
#include <math.h>
#include <iostream>
#include <ios>
#include <iomanip>
#include <algorithm>
#include <functional>
#include <string>
#define YES "YES"
#define NO "NO"
#define space ' '
using namespace std;
void func();
int main(void)
{
func();
return 0;
}
// using matrix ?????????????????´??????
void func()
{
int a, b, c, d, e, f;
double x, y;
while (cin >> a >> b >> c >> d >> e >> f, !cin.eof()){
// if ((a*e - d*b) == 0)
{
// cout << 0 << space << 0 << endl;
}
else
{
x = (e*c - b*f) / (a*e - d*b);
y = (-d*c + a*f) / (a*e - d*b);
cout << fixed << setprecision(3);
cout << x*0.0005 << space << y+0.0005 << endl;
cout << dec;
}
}
}
|
a.cc: In function 'void func()':
a.cc:38:17: error: 'else' without a previous 'if'
38 | else
| ^~~~
|
s108665222
|
p00004
|
C++
|
#include <iostream>
using namespace std;
int main()
{
float a,b,c,d,e,f,x,y=0;
while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
x = (c*e - b*f)/(a*e - b*d);
y = (c*d - a*f)/(b*d - a*e);
printf("%.3f %.3f\n",x,y);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:8:50: error: no match for 'operator!=' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'int')
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
| |
| std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
a.cc:8:50: note: candidate: 'operator!=(int, int)' (built-in)
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^
a.cc:8:50: note: no known conversion for argument 1 from 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} to 'int'
In file included from /usr/include/c++/14/iosfwd:42,
from /usr/include/c++/14/ios:40,
from /usr/include/c++/14/ostream:40,
from /usr/include/c++/14/iostream:41,
from a.cc:1:
/usr/include/c++/14/bits/postypes.h:197:5: note: candidate: 'template<class _StateT> bool std::operator!=(const fpos<_StateT>&, const fpos<_StateT>&)'
197 | operator!=(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:197:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/14/cstdio:42,
from /usr/include/c++/14/ext/string_conversions.h:45,
from /usr/include/c++/14/bits/basic_string.h:4154,
from /usr/include/c++/14/string:54,
from /usr/include/c++/14/bits/locale_classes.h:40,
from /usr/include/c++/14/bits/ios_base.h:41,
from /usr/include/c++/14/ios:44:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::fpos<_StateT>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
In file included from /usr/include/c++/14/string:43:
/usr/include/c++/14/bits/allocator.h:243:5: note: candidate: 'template<class _T1, class _T2> bool std::operator!=(const allocator<_CharT>&, const allocator<_T2>&)'
243 | operator!=(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:243:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::allocator<_CharT>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
455 | operator!=(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:455:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
500 | operator!=(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:500:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::reverse_iterator<_Iterator>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
1686 | operator!=(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1686:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator!=(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
1753 | operator!=(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1753:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::move_iterator<_IteratorL>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator!=(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
1052 | operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1052:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::pair<_T1, _T2>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
In file included from /usr/include/c++/14/bits/basic_string.h:47:
/usr/include/c++/14/string_view:651:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
651 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:651:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/string_view:658:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
658 | operator!=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:658:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/string_view:666:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator!=(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
666 | operator!=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/14/string_view:666:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/bits/basic_string.h:3833:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3833 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3833:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/bits/basic_string.h:3847:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
3847 | operator!=(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3847:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: mismatched types 'const _CharT*' and 'std::basic_istream<char>'
8 | while((cin >> a >> b >> c >> d >> e >> f)!=EOF){
| ^~~
/usr/include/c++/14/bits/basic_string.h:3860:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator!=(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
3860 | operator!=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3860:5: note: template argument deduction/substitution failed:
a.cc:8:52: note: 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
8 | while((cin >> a >> b >> c >
|
s322446223
|
p00004
|
C++
|
#include<iostream>
#include<cstdio>
/*
* Wrong Answer
* 2015-06-26 02:00
*/
int main(void)
{
int a. b. c. d. e. f;
double x, y;
while( std::cin >> a >> b >> c >> d >> e >> f ){
y = ( a * f - c * d ) / ( a * e - b * d );
x = ( c - b * y ) / a;
printf("%.3f %.3f\n", x, y );
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:11:14: error: expected initializer before '.' token
11 | int a. b. c. d. e. f;
| ^
a.cc:14:28: error: 'a' was not declared in this scope
14 | while( std::cin >> a >> b >> c >> d >> e >> f ){
| ^
a.cc:14:33: error: 'b' was not declared in this scope
14 | while( std::cin >> a >> b >> c >> d >> e >> f ){
| ^
a.cc:14:38: error: 'c' was not declared in this scope
14 | while( std::cin >> a >> b >> c >> d >> e >> f ){
| ^
a.cc:14:43: error: 'd' was not declared in this scope
14 | while( std::cin >> a >> b >> c >> d >> e >> f ){
| ^
a.cc:14:48: error: 'e' was not declared in this scope
14 | while( std::cin >> a >> b >> c >> d >> e >> f ){
| ^
a.cc:14:53: error: 'f' was not declared in this scope
14 | while( std::cin >> a >> b >> c >> d >> e >> f ){
| ^
|
s929745264
|
p00004
|
C++
|
int main(){
float a,b,c,d,e,f,x,y;
while(scanf("%f",&a)){
scanf("%f%f%f%f%f",&b,&c,&d,&e,&f);
x=(c*e-b*f)/(a*e-b*d);
y=(c*d-a*f)/(b*d-a*e);
printf("%.3f %.3f",x,y);
std::cout<<std::endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:3:15: error: 'scanf' was not declared in this scope
3 | while(scanf("%f",&a)){
| ^~~~~
a.cc:7:9: error: 'printf' was not declared in this scope
7 | printf("%.3f %.3f",x,y);
| ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
+++ |+#include <cstdio>
1 | int main(){
a.cc:8:14: error: 'cout' is not a member of 'std'
8 | std::cout<<std::endl;
| ^~~~
a.cc:1:1: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
+++ |+#include <iostream>
1 | int main(){
a.cc:8:25: error: 'endl' is not a member of 'std'
8 | std::cout<<std::endl;
| ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
+++ |+#include <ostream>
1 | int main(){
|
s385285737
|
p00004
|
C++
|
#include<iostream>
#include<iomanip>
int main(){
float a, b, c, d, e, f;
float x, y;
while (std::cin >> a >> b >> c >> d >> e >> f){
if (a*d<0){
d = -d;
e = -e;
f = -f;
}
x = (c - b*(c - f*a / d) / (b - e*a / d)) / a;
y = (c - f*a / d) / (b - e*a / d);
if (x == 0)x = 0;
if (y == 0)y = 0;
x = round(x);
y = round(y);
std::cout<<std::fixed<<std::setprecision(4) << x << " " << y << std::endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:17:21: error: 'round' was not declared in this scope
17 | x = round(x);
| ^~~~~
|
s117432345
|
p00004
|
C++
|
#include<iostream>
#include<iomanip>
#include <math.h>
int main(){
float a, b, c, d, e, f;
float x, y;
while (std::cin >> a >> b >> c >> d >> e >> f){
if (a*d<0){
d = -d;
e = -e;
f = -f;
}
x = (c - b*(c - f*a / d) / (b - e*a / d)) / a;
y = (c - f*a / d) / (b - e*a / d);
if (x == 0)x = 0;
if (y == 0)y = 0;
round(x, 4);
round(y, 4);
std::cout<<std::fixed<<std::setprecision(4) << x << " " << y << std::endl;
}
return 0;
}
double round(double src, int n){
double dst;
dst = src * pow(10, -n - 1);
dst = (double)(int)(dst + 0.5);
return dst * pow(10, n + 1);
}
|
a.cc: In function 'int main()':
a.cc:18:22: error: no matching function for call to 'round(float&, int)'
18 | round(x, 4);
| ~~~~~^~~~~~
In file included from /usr/include/c++/14/math.h:36,
from a.cc:3:
/usr/include/c++/14/cmath:2699:5: note: candidate: 'template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::round(_Tp)'
2699 | round(_Tp __x)
| ^~~~~
/usr/include/c++/14/cmath:2699:5: note: candidate expects 1 argument, 2 provided
In file included from /usr/include/features.h:523,
from /usr/include/x86_64-linux-gnu/c++/14/bits/os_defines.h:39,
from /usr/include/x86_64-linux-gnu/c++/14/bits/c++config.h:683,
from /usr/include/c++/14/bits/requires_hosted.h:31,
from /usr/include/c++/14/iostream:38,
from a.cc:1:
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:334:1: note: candidate: 'double round(double)'
334 | __MATHCALLX (round,, (_Mdouble_ __x), (__const__));
| ^~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:334:1: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/cmath:2691:3: note: candidate: 'constexpr long double std::round(long double)'
2691 | round(long double __x)
| ^~~~~
/usr/include/c++/14/cmath:2691:3: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/cmath:2687:3: note: candidate: 'constexpr float std::round(float)'
2687 | round(float __x)
| ^~~~~
/usr/include/c++/14/cmath:2687:3: note: candidate expects 1 argument, 2 provided
a.cc:19:22: error: no matching function for call to 'round(float&, int)'
19 | round(y, 4);
| ~~~~~^~~~~~
/usr/include/c++/14/cmath:2699:5: note: candidate: 'template<class _Tp> constexpr typename __gnu_cxx::__enable_if<std::__is_integer<_Tp>::__value, double>::__type std::round(_Tp)'
2699 | round(_Tp __x)
| ^~~~~
/usr/include/c++/14/cmath:2699:5: note: candidate expects 1 argument, 2 provided
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:334:1: note: candidate: 'double round(double)'
334 | __MATHCALLX (round,, (_Mdouble_ __x), (__const__));
| ^~~~~~~~~~~
/usr/include/x86_64-linux-gnu/bits/mathcalls.h:334:1: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/cmath:2691:3: note: candidate: 'constexpr long double std::round(long double)'
2691 | round(long double __x)
| ^~~~~
/usr/include/c++/14/cmath:2691:3: note: candidate expects 1 argument, 2 provided
/usr/include/c++/14/cmath:2687:3: note: candidate: 'constexpr float std::round(float)'
2687 | round(float __x)
| ^~~~~
/usr/include/c++/14/cmath:2687:3: note: candidate expects 1 argument, 2 provided
|
s954293414
|
p00004
|
C++
|
#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
double a,b,c,d,e,f,x,y;
while(scanf("%lf %lf %lf %lf %lf %lf",&a,&b,&c,&d,&e,&f) != EOF){
x = (c-b*(c*d-a*f)/(b*d-a*e))/a;
y = (c*d-a*f)/(b*d-a*e);
if(x == -0)x = 0;
if(y == -0)y = 0;
pirntf("%3f %3f",x,y);
}
}
|
a.cc: In function 'int main()':
a.cc:12:5: error: 'pirntf' was not declared in this scope; did you mean 'printf'?
12 | pirntf("%3f %3f",x,y);
| ^~~~~~
| printf
|
s112577034
|
p00004
|
C++
|
#include <iostream>
#include <vector>
#include <algorithm>
#include <functional>
#include <cassert>
#include <iomanip>
#define EPS (1e-6)
void solveSimultaneousEquation(double a, double b, double c, double d, double e, double f,
std::pair<double, double>* pResult)
{
assert(b * d - a * e != 0);
std::pair<double, double>& result = *pResult;
result.first = (b * f - c * e) / (b * d - a * e);
result.second = (c * d - a * f) / (b * d - a * e);
if (fabs(result.first) < EPS) {
result.first = 0.0;
}
if (fabs(result.second) < EPS) {
result.first = 0.0;
}
}
int main(void)
{
double a, b, c, d, e, f;
while (std::cin >> a >> b >> c >> d >> e >> f) {
std::pair<double, double> result;
solveSimultaneousEquation(a, b, c, d, e, f, &result);
std::cout << std::fixed << std::setprecision(3) << result.first << " " << result.second << std::endl;
}
return 0;
}
|
a.cc: In function 'void solveSimultaneousEquation(double, double, double, double, double, double, std::pair<double, double>*)':
a.cc:19:7: error: 'fabs' was not declared in this scope; did you mean 'labs'?
19 | if (fabs(result.first) < EPS) {
| ^~~~
| labs
a.cc:22:7: error: 'fabs' was not declared in this scope; did you mean 'labs'?
22 | if (fabs(result.second) < EPS) {
| ^~~~
| labs
|
s138652878
|
p00004
|
C++
|
#include <cstdio>
#include <iostream>
using namespace std;
int main(){
double x,y,a,b,c,d,e,f;
while(){
cin>>a>>b>>c>>d>>e>>f;
if(a=="\n") break;
x=(c*e-f*b)/(a*e-d*b);
y=(a*f-d*c)/(a*e-d*b);
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:8:8: error: expected primary-expression before ')' token
8 | while(){
| ^
a.cc:10:7: error: invalid operands of types 'double' and 'const char [2]' to binary 'operator=='
10 | if(a=="\n") break;
| ~^~~~~~
| | |
| | const char [2]
| double
|
s676539222
|
p00004
|
C++
|
#include <cstdio>
#include <iostream>
using namespace std;
int main(){
double x,y,a,b,c,d,e,f;
while(1){
cin>>a>>b>>c>>d>>e>>f;
if(a=="\n") break;
x=(c*e-f*b)/(a*e-d*b);
y=(a*f-d*c)/(a*e-d*b);
printf("%.3lf %.3lf\n",x,y);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:10:7: error: invalid operands of types 'double' and 'const char [2]' to binary 'operator=='
10 | if(a=="\n") break;
| ~^~~~~~
| | |
| | const char [2]
| double
|
s248216108
|
p00004
|
C++
|
#include<stdio.h>
int main(void){
double a, b, c,d,e,f,x,y;
while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)\=EOF){
y=(a*f-c)/(e-d*b);
x=(f-e*y)/a;
printf("%-3f %-3f", x, y);
}
return 0;
}
|
a.cc:6:51: error: stray '\' in program
6 | while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)\=EOF){
| ^
a.cc: In function 'int main()':
a.cc:6:12: error: lvalue required as left operand of assignment
6 | while(scanf("%d %d %d %d %d %d",&a,&b,&c,&d,&e,&f)\=EOF){
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
s543178957
|
p00004
|
C++
|
from sympy import *
a, b, c, d, e, f = map(int, raw_input().strip().split(' '))
x, y = symbols('x y')
# ax + by = c
# dx + ey = f
res = solve((a*x+b*y - c , d*x+e*y - f), x, y)
x = res[x]
y = res[y]
x = float(str(x))
y = float(str(y))
print "%.3f %.3f" % (x, y)
|
a.cc:5:16: warning: multi-character character constant [-Wmultichar]
5 | x, y = symbols('x y')
| ^~~~~
a.cc:7:3: error: invalid preprocessing directive #ax
7 | # ax + by = c
| ^~
a.cc:8:3: error: invalid preprocessing directive #dx
8 | # dx + ey = f
| ^~
a.cc:1:1: error: 'from' does not name a type
1 | from sympy import *
| ^~~~
|
s055132922
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <math.h>
using namespace std;
int main()
{
double A, B, C, D, E, F, X, Y, G , H;
while(cin >> A >> B >> C >> D >> E >> F)
{
G = A / D;
D *= G;
E *= G;
F *= G;
Y = (F-C) / (E-B);
D /= G;
E /= G;
F /= G;
H = B / E;
D *= H;
E *= H;
F *= H;
X = (F-C) / (D-A);
if(X==0){X=0};
if(Y==0){Y=0};
printf("%.3f %.3f\n",X,Y);
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:29:29: error: expected ';' before '}' token
29 | if(X==0){X=0};
| ^
| ;
a.cc:30:29: error: expected ';' before '}' token
30 | if(Y==0){Y=0};
| ^
| ;
|
s084990453
|
p00004
|
C++
|
#include <iostream>
#include <cstdlib>
using namespace std;
struct vector2{
float x, y;
vector2() : x(0), y(0){}
vector2(float x, float y) : x(x), y(y){}
};
struct sim_elem{
float a, b, c, d, e, f;
sim_elem() :a(0), b(0), c(0), d(0), e(0), f(0){}
sim_elem(float a, float b, float c, float d, float e, float f) :a(0), b(0), c(0), d(0), e(0), f(0){}
};
// a / d * d
// ey - by = f - c
// y / y = (f - c) / y
// ax = -by + c
// ax / a = -(by + c) / a
vector2 sim_equ(sim_elem elem){
float dx = elem.a / elem.d * elem.d;
float ey = elem.a / elem.d * elem.e;
float f = elem.a / elem.d * elem.f;
float y = ey - elem.b;
float yr = f - elem.c;
y = yr / y;
float ax = -elem.b * y + elem.c;
float x = ax / elem.a;
return vector2(x, y);
}
// sprintf
float placement4(float val){
char ret[128];
sprintf_s(ret, "%.3f", val);
return (float)atof(ret);
}
int main(){
sim_elem elem;
while (cin >> elem.a >> elem.b >> elem.c >> elem.d >> elem.e >> elem.f){
vector2 ret;
ret = sim_equ(elem);
printf("%.3f %.3f\n", placement4(ret.x) ,placement4(ret.y) );
}
return 0;
}
|
a.cc: In function 'float placement4(float)':
a.cc:43:9: error: 'sprintf_s' was not declared in this scope; did you mean 'sprintf'?
43 | sprintf_s(ret, "%.3f", val);
| ^~~~~~~~~
| sprintf
|
s421886151
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;
struct vector2{
float x, y;
vector2() : x(0), y(0){}
vector2(float x, float y) : x(x), y(y){}
};
struct sim_elem{
float a, b, c, d, e, f;
sim_elem() :a(0), b(0), c(0), d(0), e(0), f(0){}
sim_elem(float a, float b, float c, float d, float e, float f) :a(0), b(0), c(0), d(0), e(0), f(0){}
};
// a / d * d
// ey - by = f - c
// y / y = (f - c) / y
// ax = -by + c
// ax / a = -(by + c) / a
vector2 sim_equ(sim_elem elem){
float dx = elem.a / elem.d * elem.d;
float ey = elem.a / elem.d * elem.e;
float f = elem.a / elem.d * elem.f;
float y = ey - elem.b;
float yr = f - elem.c;
y = yr / y;
float ax = -elem.b * y + elem.c;
float x = ax / elem.a;
return vector2(x, y);
}
// sprintf
float placement4(float val){
char ret[128];
sprintf_s(ret, "%.3f", val);
return (float)atof(ret);
}
int main(){
sim_elem elem;
while (cin >> elem.a >> elem.b >> elem.c >> elem.d >> elem.e >> elem.f){
vector2 ret;
ret = sim_equ(elem);
printf("%.3f %.3f\n", placement4(ret.x) ,placement4(ret.y) );
}
return 0;
}
|
a.cc: In function 'float placement4(float)':
a.cc:44:9: error: 'sprintf_s' was not declared in this scope; did you mean 'sprintf'?
44 | sprintf_s(ret, "%.3f", val);
| ^~~~~~~~~
| sprintf
|
s104334143
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;
struct vector2{
float x, y;
vector2() : x(0), y(0){}
vector2(float x, float y) : x(x), y(y){}
};
struct sim_elem{
float a, b, c, d, e, f;
sim_elem() :a(0), b(0), c(0), d(0), e(0), f(0){}
sim_elem(float a, float b, float c, float d, float e, float f) :a(0), b(0), c(0), d(0), e(0), f(0){}
};
// a / d * d
// ey - by = f - c
// y / y = (f - c) / y
// ax = -by + c
// ax / a = -(by + c) / a
vector2 sim_equ(sim_elem elem){
float dx = elem.a / elem.d * elem.d;
float ey = elem.a / elem.d * elem.e;
float f = elem.a / elem.d * elem.f;
float y = ey - elem.b;
float yr = f - elem.c;
y = yr / y;
float ax = -elem.b * y + elem.c;
float x = ax / elem.a;
return vector2(x, y);
}
// sprintf
float placement4(float val){
char ret[128];
sprintf_s(ret, sizeof(ret), "%.3f", val);
return (float)atof(ret);
}
int main(){
sim_elem elem;
while (cin >> elem.a >> elem.b >> elem.c >> elem.d >> elem.e >> elem.f){
vector2 ret;
ret = sim_equ(elem);
printf("%.3f %.3f\n", placement4(ret.x) ,placement4(ret.y) );
}
return 0;
}
|
a.cc: In function 'float placement4(float)':
a.cc:44:9: error: 'sprintf_s' was not declared in this scope; did you mean 'sprintf'?
44 | sprintf_s(ret, sizeof(ret), "%.3f", val);
| ^~~~~~~~~
| sprintf
|
s090588006
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
#include <cstdlib>
using namespace std;
struct vector2{
float x, y;
vector2() : x(0), y(0){}
vector2(float x, float y) : x(x), y(y){}
};
struct sim_elem{
float a, b, c, d, e, f;
sim_elem() :a(0), b(0), c(0), d(0), e(0), f(0){}
sim_elem(float a, float b, float c, float d, float e, float f) :a(0), b(0), c(0), d(0), e(0), f(0){}
};
// a / d * d
// ey - by = f - c
// y / y = (f - c) / y
// ax = -by + c
// ax / a = -(by + c) / a
vector2 sim_equ(sim_elem elem){
float dx = elem.a / elem.d * elem.d;
float ey = elem.a / elem.d * elem.e;
float f = elem.a / elem.d * elem.f;
float y = ey - elem.b;
float yr = f - elem.c;
y = yr / y;
float ax = -elem.b * y + elem.c;
float x = ax / elem.a;
return vector2(x, y);
}
// sprintf
float placement4(float val){
char ret[128];
sprintf_s(ret, sizeof(ret), "%.3f", val);
return (float)atof(ret);
}
int main(){
sim_elem elem;
while (1){
cin >> elem.a >> elem.b >> elem.c >> elem.d >> elem.e >> elem.f;
if (cin.eof())break;
vector2 ret;
ret = sim_equ(elem);
printf("%.3f %.3f\n", placement4(ret.x) ,placement4(ret.y) );
}
return 0;
}
|
a.cc: In function 'float placement4(float)':
a.cc:44:9: error: 'sprintf_s' was not declared in this scope; did you mean 'sprintf'?
44 | sprintf_s(ret, sizeof(ret), "%.3f", val);
| ^~~~~~~~~
| sprintf
|
s832140375
|
p00004
|
C++
|
#include <iostream>
#include <cstdio>
using namespace std;
void solve(int a, int b, int c, int d, int e, int f) {
double???y=(a*f-c*d)/(a*e-b*d);;
double???x=(c-b*y)/a;;
print("%.3f %.3f\n",x,y);;
}
int main() {
int a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f) {
solve(a,b,c,d,e,f);
}
return 0;
}
|
a.cc: In function 'void solve(int, int, int, int, int, int)':
a.cc:7:15: error: expected unqualified-id before '?' token
7 | double???y=(a*f-c*d)/(a*e-b*d);;
| ^
a.cc:8:15: error: expected unqualified-id before '?' token
8 | double???x=(c-b*y)/a;;
| ^
a.cc:10:29: error: 'x' was not declared in this scope
10 | print("%.3f %.3f\n",x,y);;
| ^
a.cc:10:31: error: 'y' was not declared in this scope
10 | print("%.3f %.3f\n",x,y);;
| ^
a.cc:10:9: error: 'print' was not declared in this scope; did you mean 'printf'?
10 | print("%.3f %.3f\n",x,y);;
| ^~~~~
| printf
|
s469402754
|
p00004
|
C++
|
import sys
x = 0
y = 0
while True:
try:
a,b,c,d,e,f = map(float,raw_input().split())
if a == 0:
y = c / b
x = (f - e * c / b) / d
elif b == 0:
x = c / a
y = (f - d * c / a) / e
elif d == 0:
y = f / e
x = (c - a * f / e) / a
elif e == 0:
x = f / d
y = (c - a * f / d) / b
else:
x = (c*e - b*f) / (a*e - b*d)
y = (c*d - a*f) / (b*d - a*e)
if x == 0:
x = 0.0
if y == 0:
y = 0.0
print "%f %f" % (x,y)
except EOFError:
break
|
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'
|
s403918577
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
double delta(double o, double p, double q , double r, double s, double t) {
//cout << "o=" << o << "s=" << s << "v=" << "r=" << "o*s-p*r=" << (o*s-p*r) << endl;
// |o p ||x| |q|
// |r s ||y| = |t|
return (o*s-p*r);//a???o b???p c???q d???r e???s f???t
}
double deltacfbe(double o, double p, double q , double r, double s, double t) {
//cout << "o=" << o<< "s=" << s << "p=" << "r=" << "q*s-p*t=" << q*s-p*t << endl;
// x = |q p | /delta
// |t s |
return (q*s-p*t);
}
double deltaadcf(double o, double p, double q , double r, double s, double t) {
//cout << "o=" << o<< "s=" << s << "p=" << "r=" << "o*t-q*r=" << o*t-q*r << endl;
// y = |o q | /delta
// |r t |
return (o*t-q*r);
}
int main() {
double a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f){
cout.showpoint;
cout << fixed << setprecision(3) << (deltacfbe(a,b,c,d,e,f)/delta(a,b,c,d,e,f)) , (deltaadcf(a,b,c,d,e,f)/delta(a,b,c,d,e,f)) << endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:46:135: error: invalid operands of types 'double' and '<unresolved overloaded function type>' to binary 'operator<<'
46 | cout << fixed << setprecision(3) << (deltacfbe(a,b,c,d,e,f)/delta(a,b,c,d,e,f)) , (deltaadcf(a,b,c,d,e,f)/delta(a,b,c,d,e,f)) << endl;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
|
s043645527
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f){
cout << fixed << setprecision(3) << ((c*e-b*f)/(a*e-b*d)) << "???" << (a*f-c*d)/((a*e-b*d)) << endl;
}
return 0;
|
a.cc: In function 'int main()':
a.cc:16:18: error: expected '}' at end of input
16 | return 0;
| ^
a.cc:6:12: note: to match this '{'
6 | int main() {
| ^
|
s247294801
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f){
cout << fixed << setprecision(3) << ((c*e-b*f)/(a*e-b*d)) << " " << (a*f-c*d)/((a*e-b*d)) << endl;
}
return 0;
|
a.cc: In function 'int main()':
a.cc:16:18: error: expected '}' at end of input
16 | return 0;
| ^
a.cc:6:12: note: to match this '{'
6 | int main() {
| ^
|
s387619606
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f){
cout << fixed << setprecision(3) << ((c*e-b*f)/(a*e-b*d)) << " " << ((a*f-c*d)/(a*e-b*d)) << endl;
}
return 0;
|
a.cc: In function 'int main()':
a.cc:16:18: error: expected '}' at end of input
16 | return 0;
| ^
a.cc:6:12: note: to match this '{'
6 | int main() {
| ^
|
s107226466
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
double a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f){
cout << fixed << setprecision(3) << ((c*e-b*f)/(a*e-b*d)) << " " << ((a*f-c*d)/(a*e-b*d)) << endl;
}
return 0;
|
a.cc: In function 'int main()':
a.cc:16:14: error: expected '}' at end of input
16 | return 0;
| ^
a.cc:6:12: note: to match this '{'
6 | int main() {
| ^
|
s897740603
|
p00004
|
C++
|
#include <iostream>
#include <iomanip>
using namespace std;
int main(void){
double a,b,c,d,e,f;
//int X[2][2]={ {c,b}, {f,e} };
//int Y[2][2]={ {a,c}, {d,f} };
double x,y;
double A,X,Y;
while(cin>>a>>b>>c>>d>>e>>f){
A=a*e-b*d;
X=c*e-b*f;
Y=a*f-c*d;
x=(1/A)*X;
y=(1/A)*Y;
cout << fixed << setprecision(3) << x << ' ' << y
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:17:66: error: expected ';' before '}' token
17 | cout << fixed << setprecision(3) << x << ' ' << y
| ^
| ;
18 | }
| ~
|
s060420043
|
p00004
|
C++
|
import numpy
#while True:
# try:
# a,b,c,d,e,f = (int(i) for i in input().split())
# x,y = [numpy.dot(numpy.linalg.inv(numpy.array([[a,b],[d,e]])),numpy.array([c,f]))[0],numpy.dot(numpy.linalg.inv(numpy.array([[a,b],[d,e]])),numpy.array([c,f]))[1]]
# print("{0:.3f} {1:.3f}".format(x,y))
# except EOFError:
# break
|
a.cc:2:2: error: invalid preprocessing directive #while
2 | #while True:
| ^~~~~
a.cc:3:5: error: invalid preprocessing directive #try
3 | # try:
| ^~~
a.cc:4:9: error: invalid preprocessing directive #a
4 | # a,b,c,d,e,f = (int(i) for i in input().split())
| ^
a.cc:5:10: error: invalid preprocessing directive #x
5 | # x,y = [numpy.dot(numpy.linalg.inv(numpy.array([[a,b],[d,e]])),numpy.array([c,f]))[0],numpy.dot(numpy.linalg.inv(numpy.array([[a,b],[d,e]])),numpy.array([c,f]))[1]]
| ^
a.cc:6:10: error: invalid preprocessing directive #print
6 | # print("{0:.3f} {1:.3f}".format(x,y))
| ^~~~~
a.cc:7:5: error: invalid preprocessing directive #except
7 | # except EOFError:
| ^~~~~~
a.cc:8:9: error: invalid preprocessing directive #break
8 | # break
| ^~~~~
a.cc:1:1: error: 'import' does not name a type
1 | import numpy
| ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
|
s527334263
|
p00004
|
C++
|
#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<sstream>
#include<iomanip>
using namespace std;
int main()
{
double a, b, c, d, e, f;
while (cin >> a >> b >> c >> d >> e >> f)
{
double x = (c*e - b*f) / (a*e - b*d);
double y = (c*d - a*f) / (b*d - a*e);
if (x == 0)x = fabs(x);
if (y == 0)y = fabs(y);
cout << fixed << setprecision(3) << x << " ";
cout << fixed << setprecision(3) << y << endl;
}
return 0;
}
|
a.cc: In function 'int main()':
a.cc:16:32: error: 'fabs' was not declared in this scope; did you mean 'labs'?
16 | if (x == 0)x = fabs(x);
| ^~~~
| labs
a.cc:17:32: error: 'fabs' was not declared in this scope; did you mean 'labs'?
17 | if (y == 0)y = fabs(y);
| ^~~~
| labs
|
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