criyle/codenet-compile-errors huggingface dataset:
Language: C

j;main(i){for(;j<9?++j:j=i++<9;printf("%dx%d=%d\n",i,j,i*j));}

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | j;main(i){for(;j<9?++j:j=i++<9;printf("%dx%d=%d\n",i,j,i*j));}
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'j' [-Wimplicit-int]
main.c:1:3: error: return type defaults to 'int' [-Wimplicit-int]
    1 | j;main(i){for(;j<9?++j:j=i++<9;printf("%dx%d=%d\n",i,j,i*j));}
      |   ^~~~
main.c: In function 'main':
main.c:1:3: error: type of 'i' defaults to 'int' [-Wimplicit-int]
main.c:1:25: error: lvalue required as left operand of assignment
    1 | j;main(i){for(;j<9?++j:j=i++<9;printf("%dx%d=%d\n",i,j,i*j));}
      |                         ^
main.c:1:32: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    1 | j;main(i){for(;j<9?++j:j=i++<9;printf("%dx%d=%d\n",i,j,i*j));}
      |                                ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | j;main(i){for(;j<9?++j:j=i++<9;printf("%dx%d=%d\n",i,j,i*j));}
main.c:1:32: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    1 | j;main(i){for(;j<9?++j:j=i++<9;printf("%dx%d=%d\n",i,j,i*j));}
      |                                ^~~~~~
main.c:1:32: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

j;main(i){for(;j<9?++j:j=9>i++;printf("%dx%d=%d\n",i,j,i*j));}

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | j;main(i){for(;j<9?++j:j=9>i++;printf("%dx%d=%d\n",i,j,i*j));}
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'j' [-Wimplicit-int]
main.c:1:3: error: return type defaults to 'int' [-Wimplicit-int]
    1 | j;main(i){for(;j<9?++j:j=9>i++;printf("%dx%d=%d\n",i,j,i*j));}
      |   ^~~~
main.c: In function 'main':
main.c:1:3: error: type of 'i' defaults to 'int' [-Wimplicit-int]
main.c:1:25: error: lvalue required as left operand of assignment
    1 | j;main(i){for(;j<9?++j:j=9>i++;printf("%dx%d=%d\n",i,j,i*j));}
      |                         ^
main.c:1:32: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    1 | j;main(i){for(;j<9?++j:j=9>i++;printf("%dx%d=%d\n",i,j,i*j));}
      |                                ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | j;main(i){for(;j<9?++j:j=9>i++;printf("%dx%d=%d\n",i,j,i*j));}
main.c:1:32: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    1 | j;main(i){for(;j<9?++j:j=9>i++;printf("%dx%d=%d\n",i,j,i*j));}
      |                                ^~~~~~
main.c:1:32: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include<stdio.h>

int main(){
    for(a = 1; a <= 9; a++)
    {
        for(b = 1; b <= 9; b++)
        {
            printf("%dx%d=%d\n", a, b, c);
        }
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:9: error: 'a' undeclared (first use in this function)
    4 |     for(a = 1; a <= 9; a++)
      |         ^
main.c:4:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:13: error: 'b' undeclared (first use in this function)
    6 |         for(b = 1; b <= 9; b++)
      |             ^
main.c:8:40: error: 'c' undeclared (first use in this function)
    8 |             printf("%dx%d=%d\n", a, b, c);
      |                                        ^
Language: C

#include<stdio.h>

int main(){
    for(a = 1; a <= 9; a++)
    {
        for(b = 1; b <= 9; b++)
        {
            printf("%dx%d=%d\n", a, b, a*b);
        }
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:9: error: 'a' undeclared (first use in this function)
    4 |     for(a = 1; a <= 9; a++)
      |         ^
main.c:4:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:13: error: 'b' undeclared (first use in this function)
    6 |         for(b = 1; b <= 9; b++)
      |             ^
Language: C

#include<stdio.h>

int main(){
  for(i=0;i<9;i++){
    for(j=0;j<9;j++){
      printf("%dx%d=%d",i,j,i*j);
  }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:7: error: 'i' undeclared (first use in this function)
    4 |   for(i=0;i<9;i++){
      |       ^
main.c:4:7: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:9: error: 'j' undeclared (first use in this function)
    5 |     for(j=0;j<9;j++){
      |         ^
main.c:9:1: error: expected declaration or statement at end of input
    9 | }
      | ^
Language: C

#include<stdio.h>

int main(){
  int i,j;
  for(i=0;i<9;i++){
    for(j=0;j<9;j++){
      printf("%dx%d=%d",i,j,i*j);
  }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:1: error: expected declaration or statement at end of input
   10 | }
      | ^
Language: C

#incldue<stdio.h>
int main(){
int i,j;
for(i=1;i<10;i++){
for(j=1;j<10;j++)printf("%dx%d=%d\n",i,j,i*j);
}
return 0;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #incldue; did you mean #include?
    1 | #incldue<stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:5:18: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    5 | for(j=1;j<10;j++)printf("%dx%d=%d\n",i,j,i*j);
      |                  ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | #incldue<stdio.h>
main.c:5:18: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    5 | for(j=1;j<10;j++)printf("%dx%d=%d\n",i,j,i*j);
      |                  ^~~~~~
main.c:5:18: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include<stdio.h>

int main(){

int i,j;

for(i=1;i<10;i++){
for(j=1;j<10;j++){

printf("%d * %d = %d"i,j,i*j);

}
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:22: error: expected ')' before 'i'
   10 | printf("%d * %d = %d"i,j,i*j);
      |       ~              ^
      |                      )
Language: C

#include<stdio.h>

int main(void)
{
int i,l,kai;

i=1;
while(i<=9)
{
l=1;
{
while(l<=9)
{
kai=i*l;
printf("%dx%d=%d",i,l,kai);
l++;
}
i++;
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:21:1: error: expected declaration or statement at end of input
   21 | }
      | ^
Language: C

#include <stdio.h>

int main()
{
	for(int i = 1; i <= 9; i++)
	{
		for(int j = 1; j <= 9; j++)
		{
			printf("%dx%d=%d\n", i, j, i * j)
		}
	}

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:58: error: expected ';' before '}' token
    9 |                         printf("%dx%d=%d\n", i, j, i * j)
      |                                                          ^
      |                                                          ;
   10 |                 }
      |                 ~
Language: C

#include<stdio.h>
int main(){
int i,j;
for(i=1;i<10;i++){
for(j=1;j<10;j++){
printf("i*j"/n);
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:14: error: 'n' undeclared (first use in this function)
    6 | printf("i*j"/n);
      |              ^
main.c:6:14: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(void){
	int i, j;
	for (i = 1; i<10; i++){
		for (j = 1; j<10; j++){
			printf("%dx%d=%d\n",i,j, i*j);
		}
	}
	scanf_s("%d", &i);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:9: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    9 |         scanf_s("%d", &i);
      |         ^~~~~~~
      |         scanf
Language: C

#include<stdio.h>
int main(){
int k=0;
for(i=0;i<10;i++){
for(j=0;j<10;j++){
k=i*j;
printf(i + "x" + j + "=" + k);
}
}
 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:5: error: 'i' undeclared (first use in this function)
    4 | for(i=0;i<10;i++){
      |     ^
main.c:4:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:5: error: 'j' undeclared (first use in this function)
    5 | for(j=0;j<10;j++){
      |     ^
Language: C

#include<stdio.h>
int main(){
int k=0;
for(i=0;i<10;i++){
for(j=0;j<10;j++){
k=i*j;
printf("ixj=k"/n);
}
}
 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:5: error: 'i' undeclared (first use in this function)
    4 | for(i=0;i<10;i++){
      |     ^
main.c:4:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:5: error: 'j' undeclared (first use in this function)
    5 | for(j=0;j<10;j++){
      |     ^
main.c:7:16: error: 'n' undeclared (first use in this function)
    7 | printf("ixj=k"/n);
      |                ^
Language: C

#include<stdio.h>
int main(){
int k,i,j;
for(i=0;i<10;i++){
for(j=0;j<10;j++){
k=i*j;
printf("ixj=k"/n);
}
}
 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:16: error: 'n' undeclared (first use in this function)
    7 | printf("ixj=k"/n);
      |                ^
main.c:7:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
int k,i,j;
for(i=0;i<10;i++){
for(j=0;j<10;j++){
k=i*j;
printf("ixj=k"\n);
}
}
 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:15: error: stray '\' in program
    7 | printf("ixj=k"\n);
      |               ^
main.c:7:15: error: expected ')' before 'n'
    7 | printf("ixj=k"\n);
      |       ~       ^~
      |               )
Language: C

#include<stdio.h>
int main(){
int k,i,j;
for(i=0;i<10;i++){
for(j=0;j<10;j++){
k=i*j;
printf(ixj="k");
}
}
 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:8: error: 'ixj' undeclared (first use in this function)
    7 | printf(ixj="k");
      |        ^~~
main.c:7:8: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
int k,i,j;
for(i=0;i<10;i++){
for(j=0;j<10;j++){
k=i*j;
printf("ixj=k\n",%d,%d,%d);
}
}
 return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:18: error: expected expression before '%' token
    7 | printf("ixj=k\n",%d,%d,%d);
      |                  ^
Language: C

#include<stdio.h>

int main(){
int i,j,k=0;
for(i=0;i<10;i++){
for(j=0;j<10;j++){
k=i*j;
print("%dx%d=%d\n",i,j,k);
}
}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:1: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
    8 | print("%dx%d=%d\n",i,j,k);
      | ^~~~~
      | printf
Language: C

#include <stdio.h>
void Main(){
for(int j=1;j<=9;j++){
            for(int i=1;i<=9;i++){
                printf("+%d+x+%d+=+&d*i\n",j,i,j);
}

/*

class Main{
    public static void main(String[] a){
        for(int j=1;j<=9;j++){
            for(int i=1;i<=9;i++){
                System.out.println(""+j+"x"+i+"="+j*i);
            }
        }
    }
}
*/

Compiler output:
main.c: In function 'Main':
main.c:6:1: error: expected declaration or statement at end of input
    6 | }
      | ^
main.c:6:1: error: expected declaration or statement at end of input
Language: C

#include <stdio.h>
int Main(){
int i,j
for(j=1;j<=9;j++){
            for(i=1;i<=9;i++){
                printf("+%d+x+%d+=+&d*i\n",j,i,j);

return 0;
}

Compiler output:
main.c: In function 'Main':
main.c:4:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'for'
    4 | for(j=1;j<=9;j++){
      | ^~~
main.c:4:9: error: 'j' undeclared (first use in this function)
    4 | for(j=1;j<=9;j++){
      |         ^
main.c:4:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:17: error: expected ';' before ')' token
    4 | for(j=1;j<=9;j++){
      |                 ^
      |                 ;
main.c:4:17: error: expected statement before ')' token
main.c:9:1: error: expected declaration or statement at end of input
    9 | }
      | ^
main.c:9:1: error: expected declaration or statement at end of input
Language: C

#include <stdio.h>
int Main(){
int i,j
for(j=1;j<=9;j++){
            for(i=1;i<=9;i++){
                printf("+%d+x+%d+=+&d*i\n",j,i,j);
}}

return 0;
}

Compiler output:
main.c: In function 'Main':
main.c:4:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'for'
    4 | for(j=1;j<=9;j++){
      | ^~~
main.c:4:9: error: 'j' undeclared (first use in this function)
    4 | for(j=1;j<=9;j++){
      |         ^
main.c:4:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:17: error: expected ';' before ')' token
    4 | for(j=1;j<=9;j++){
      |                 ^
      |                 ;
main.c:4:17: error: expected statement before ')' token
Language: C

#include <stdio.h>

int main(void){
	int i,j;
	for(i=1;i<=9;i++){
	for(j=1;j<=9;j++){
	printf("%d*%d=%d\n", i,j,i*j);
	return 0;
	}

Compiler output:
main.c: In function 'main':
main.c:9:9: error: expected declaration or statement at end of input
    9 |         }
      |         ^
main.c:9:9: error: expected declaration or statement at end of input
Language: C

#include<stdio.h>
int main(){
	int i,j;
	for(i=1;i<=9;i++){
	for(j=1;j<=9;j++){
	printf("%d*%d=%d\n", i,j,i*j);
	return 0;
	}

Compiler output:
main.c: In function 'main':
main.c:8:9: error: expected declaration or statement at end of input
    8 |         }
      |         ^
main.c:8:9: error: expected declaration or statement at end of input
Language: C

#include <stdio.h>

int main(){
  int answer;
  for(int i=1; i<=9; i++){
    for(int a=1; a<=9; a++){
      answer = i*a:
      printf("%dx%d=%d\n", i,a,answer);
    }
  }
  return 0;  
}

Compiler output:
main.c: In function 'main':
main.c:7:19: error: expected ';' before ':' token
    7 |       answer = i*a:
      |                   ^
      |                   ;
Language: C


#include<stdio.h>

int main(void)
{
       printf(
       return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:8: error: expected expression before 'return'
    7 |        return 0;
      |        ^~~~~~
main.c:7:17: error: expected ';' before '}' token
    7 |        return 0;
      |                 ^
      |                 ;
    8 | }
      | ~
Language: C

#include<stdio.h>
#include<conio.h>


int main()
{
    long long int i,j,k,n;


    for(i=1;i<=9;i++){
        for(j=1;j<=9;j++){
            printf("%lldx%lld=%lld\n",i,j,i*j);

        }
    }

    getch();
    return 0;
}

Compiler output:
main.c:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
int main(){
int i,j:
for(i=1;i<10;i++){
for(j=1;j<10;j++)printf("%dx%d=%d\n",i,j,i*j);
}
return 0;}

Compiler output:
main.c: In function 'main':
main.c:3:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token
    3 | int i,j:
      |        ^
main.c:4:17: error: expected ';' before ')' token
    4 | for(i=1;i<10;i++){
      |                 ^
      |                 ;
main.c:4:17: error: expected statement before ')' token
main.c:5:5: error: 'j' undeclared (first use in this function)
    5 | for(j=1;j<10;j++)printf("%dx%d=%d\n",i,j,i*j);
      |     ^
main.c:5:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
inta,b
for(a = 1;a<10;a++){
for(b = 1;b<10;b++){
printf("%dx%d=%d\n",a,b,a*b);
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:3:1: error: 'inta' undeclared (first use in this function); did you mean 'int'?
    3 | inta,b
      | ^~~~
      | int
main.c:3:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:3:6: error: 'b' undeclared (first use in this function)
    3 | inta,b
      |      ^
main.c:3:7: error: expected ';' before 'for'
    3 | inta,b
      |       ^
      |       ;
    4 | for(a = 1;a<10;a++){
      | ~~~
Language: C

#include<stdio.h>
int main(){
int a,b
for(a = 1;a<10;a++){
for(b = 1;b<10;b++){
printf("%dx%d=%d\n",a,b,a*b);
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'for'
    4 | for(a = 1;a<10;a++){
      | ^~~
main.c:4:19: error: expected ';' before ')' token
    4 | for(a = 1;a<10;a++){
      |                   ^
      |                   ;
main.c:4:19: error: expected statement before ')' token
main.c:5:5: error: 'b' undeclared (first use in this function)
    5 | for(b = 1;b<10;b++){
      |     ^
main.c:5:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C

	int i, j, ans;
	ans = 0;
	for(i = 1; i <= 9; i++){
			for(j = 1; j <= 9; j++){
				ans = i * j;
				printf("%d??%d=%d\n", i, j, ans);
				}
	}

Compiler output:
main.c:2:9: warning: data definition has no type or storage class
    2 |         ans = 0;
      |         ^~~
main.c:2:9: error: type defaults to 'int' in declaration of 'ans' [-Wimplicit-int]
main.c:3:9: error: expected identifier or '(' before 'for'
    3 |         for(i = 1; i <= 9; i++){
      |         ^~~
main.c:3:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<=' token
    3 |         for(i = 1; i <= 9; i++){
      |                      ^~
main.c:3:29: error: expected '=', ',', ';', 'asm' or '__attribute__' before '++' token
    3 |         for(i = 1; i <= 9; i++){
      |                             ^~
Language: C

#include <stdio.h>

i;main(m){for(;m<10;m++){for(;i<10;printf("%dx%d=%d\n",m,++i,m*i))}

    return 0;

}

Compiler output:
main.c:3:1: warning: data definition has no type or storage class
    3 | i;main(m){for(;m<10;m++){for(;i<10;printf("%dx%d=%d\n",m,++i,m*i))}
      | ^
main.c:3:1: error: type defaults to 'int' in declaration of 'i' [-Wimplicit-int]
main.c:3:3: error: return type defaults to 'int' [-Wimplicit-int]
    3 | i;main(m){for(;m<10;m++){for(;i<10;printf("%dx%d=%d\n",m,++i,m*i))}
      |   ^~~~
main.c: In function 'main':
main.c:3:3: error: type of 'm' defaults to 'int' [-Wimplicit-int]
main.c:3:67: error: expected expression before '}' token
    3 | i;main(m){for(;m<10;m++){for(;i<10;printf("%dx%d=%d\n",m,++i,m*i))}
      |                                                                   ^
Language: C

int main(){
  for(int i = 1; i <= 9; i++){
    for(int j = 1; i <= 9; i++){
       printf(i*j);
    }
  }
}

Compiler output:
main.c: In function 'main':
main.c:4:8: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    4 |        printf(i*j);
      |        ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:4:8: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    4 |        printf(i*j);
      |        ^~~~~~
main.c:4:8: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:4:16: error: passing argument 1 of 'printf' makes pointer from integer without a cast [-Wint-conversion]
    4 |        printf(i*j);
      |               ~^~
      |                |
      |                int
main.c:4:16: note: expected 'const char *' but argument is of type 'int'
Language: C

#include <stdio.h>

int main(){

	int i,j

	for(i = 1; i <= 9; i++)
	{
		for(j = 1; j <= 9; j++)
		{
			printf("%dx%d= %d\n", i, j, i*j);
		}
	}

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'for'
    7 |         for(i = 1; i <= 9; i++)
      |         ^~~
main.c:7:31: error: expected ';' before ')' token
    7 |         for(i = 1; i <= 9; i++)
      |                               ^
      |                               ;
main.c:7:31: error: expected statement before ')' token
main.c:9:21: error: 'j' undeclared (first use in this function)
    9 |                 for(j = 1; j <= 9; j++)
      |                     ^
main.c:9:21: note: each undeclared identifier is reported only once for each function it appears in
Language: C


	unsigned char i = 0;
	unsigned char j = 0;

	for (i = 1; i < 10; i++) {
		for (j = 1; j < 10; j++) {
			printf("%d x %d = %d\n",i ,j ,i * j);
		}
	}
	

Compiler output:
main.c:5:9: error: expected identifier or '(' before 'for'
    5 |         for (i = 1; i < 10; i++) {
      |         ^~~
main.c:5:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    5 |         for (i = 1; i < 10; i++) {
      |                       ^
main.c:5:30: error: expected '=', ',', ';', 'asm' or '__attribute__' before '++' token
    5 |         for (i = 1; i < 10; i++) {
      |                              ^~
Language: C

#include<stdio.h>

int main(){
	
	unsigned char i = 0;
	unsigned char j = 0;
	
	for (i = 1; i < 10; i++) {
		for (j = 1; j < 10; j++) {
			printf("%dx%d = %d\n",i , j, i * j);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:1: error: expected declaration or statement at end of input
   12 | }
      | ^
main.c:12:1: error: expected declaration or statement at end of input
Language: C

#include<stdio.h>
 int main{
  int x,y;
   for(x=1;x<=9;x++){
     for(y=1;y<=9;y++){
      printf("%dx%d=%d",x,y,x*y);
    }
   }
  return 0;
}

Compiler output:
main.c:2:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
    2 |  int main{
      |          ^
Language: C

#include<stdio.h>

int main(){
    int j,k;
    for(j=1;j<=9;j++){
        for(k=1;k<=9;k++{
            printf("%dx%d=%d\n",&j, &k, j*k);
        }
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:25: error: expected ')' before '{' token
    6 |         for(k=1;k<=9;k++{
      |            ~            ^
      |                         )
main.c:9:5: error: expected expression before '}' token
    9 |     }
      |     ^
Language: C

#include<stadio.h>

int main(){
  int a,b,d,i;
  a=1;
  b=1;
  d=a*b;

  for(i=1,i<=9,i++){

  printf("%dx%d=%d\n",a,b,d)
  b=b+1;
  }
  

  return 0;
}

Compiler output:
main.c:1:9: fatal error: stadio.h: No such file or directory
    1 | #include<stadio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<stadio.h>

int main(){
  int a,b,
  
  for(a=1;a>=9;a++;){
    for(b=1;b>=9;b++;){
    printf("%dx%d=%d\n",a,b,a*b)
    }
  }
  

  return 0;
}

Compiler output:
main.c:1:9: fatal error: stadio.h: No such file or directory
    1 | #include<stadio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<stadio.h>

int main(){
  int a,b;
  
  for(a=1;a>=9;a++){
    for(b=1;b>=9;b++){
    printf("%dx%d=%d\n",a,b,a*b);
    }
  }
  

  return 0;
}

Compiler output:
main.c:1:9: fatal error: stadio.h: No such file or directory
    1 | #include<stadio.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
int main(){

int a = 1;
int b;

for(b=1;b<=9;b++){
printf("%d ?? %d = %d",a,b,a*b);
}

return0
}

Compiler output:
main.c: In function 'main':
main.c:11:1: error: 'return0' undeclared (first use in this function)
   11 | return0
      | ^~~~~~~
main.c:11:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:11:8: error: expected ';' before '}' token
   11 | return0
      |        ^
      |        ;
   12 | }
      | ~
Language: C

#include<stdio.h>
int main()
{
int m,n;
for(n=1;n<=9,n++){
    for(n=1;n<=10,m++){
        printf("%dX%d=%d",m,n,m*n);
    }
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:17: error: expected ';' before ')' token
    5 | for(n=1;n<=9,n++){
      |                 ^
      |                 ;
main.c:6:22: error: expected ';' before ')' token
    6 |     for(n=1;n<=10,m++){
      |                      ^
      |                      ;
Language: C

#include <stdio.h>

int main(void) {
  for(i = 1;i < 10;i++) {
    for(j = 1;j < 10;j++) {
      printf("%dx%d=%d\n", i,j,i*j);
    }
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:7: error: 'i' undeclared (first use in this function)
    4 |   for(i = 1;i < 10;i++) {
      |       ^
main.c:4:7: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:9: error: 'j' undeclared (first use in this function)
    5 |     for(j = 1;j < 10;j++) {
      |         ^
Language: C

#include<stdio.h>

int main(){
int i ,j;
for(i = 1;i<10;i++){
for(j = 1;j<10;j++){
print("%d*%d=%d",i,j(i*j));
}
}

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:1: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
    7 | print("%d*%d=%d",i,j(i*j));
      | ^~~~~
      | printf
main.c:7:20: error: called object 'j' is not a function or function pointer
    7 | print("%d*%d=%d",i,j(i*j));
      |                    ^
main.c:4:8: note: declared here
    4 | int i ,j;
      |        ^
Language: C

#include<stdio.h>
  
int main(){
int i ,j;
for(i = 1;i<10;i++){
for(j = 1;j<10;j++){
printf("%d*%d=%d",i,j(i*j));
}
}
  
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:21: error: called object 'j' is not a function or function pointer
    7 | printf("%d*%d=%d",i,j(i*j));
      |                     ^
main.c:4:8: note: declared here
    4 | int i ,j;
      |        ^
Language: C

#include <stdio.h>

int main() 
{
printf(1x1= ) 


return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:8: error: invalid suffix "x1" on integer constant
    5 | printf(1x1= )
      |        ^~~
main.c:5:13: error: expected expression before ')' token
    5 | printf(1x1= )
      |             ^
Language: C

#include<stdio.h>

int main(){
    
    int i = 1;
    int j = 1;

    for( : i<10 : i++){
        for( j=1 : j<10 : j++ ){
            printf("%dx%d=%d\n",i, j, i*j);
        }
    } 

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:10: error: expected expression before ':' token
    8 |     for( : i<10 : i++){
      |          ^
main.c:8:22: error: expected expression before ')' token
    8 |     for( : i<10 : i++){
      |                      ^
main.c:9:17: error: expected ';' before ':' token
    9 |         for( j=1 : j<10 : j++ ){
      |                 ^~
      |                 ;
main.c:9:31: error: expected expression before ')' token
    9 |         for( j=1 : j<10 : j++ ){
      |                               ^
Language: C

#include<stdio.h>

int main(void){

    int i, j;

    for( i = 1 : i<10 : i++){
        for( j=1 : j<10 : j++ ){
            printf("%dx%d=%d\n",i, j, i*j);
        }
    } 

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:15: error: expected ';' before ':' token
    7 |     for( i = 1 : i<10 : i++){
      |               ^~
      |               ;
main.c:7:28: error: expected expression before ')' token
    7 |     for( i = 1 : i<10 : i++){
      |                            ^
main.c:8:17: error: expected ';' before ':' token
    8 |         for( j=1 : j<10 : j++ ){
      |                 ^~
      |                 ;
main.c:8:31: error: expected expression before ')' token
    8 |         for( j=1 : j<10 : j++ ){
      |                               ^
Language: C

#include<stdio.h>

int main(void){

    int i,j;

    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    } 

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:12: error: expected ';' before ':' token
    7 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:7:21: error: expected expression before ')' token
    7 |     for(i=1:i<10:i++){
      |                     ^
main.c:8:16: error: expected ';' before ':' token
    8 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:8:25: error: expected expression before ')' token
    8 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include<stdio.h>

int main(void){
    int i,j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    } 
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:12: error: expected ';' before ':' token
    5 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:5:21: error: expected expression before ')' token
    5 |     for(i=1:i<10:i++){
      |                     ^
main.c:6:16: error: expected ';' before ':' token
    6 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:6:25: error: expected expression before ')' token
    6 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include<stdio.h>

int main(){
??????for(int i = 0;i<9;i++){
        printf("%d\n",i);
        for(int j = 0;j<9;J++){
            int sum = i*j;
            printf("%dX%d=%d\n",i,j,sum);
        }
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:1: error: expected expression before '?' token
    4 | ??????for(int i = 0;i<9;i++){
      | ^
Language: C

#include<stdio.h>
int main(void){
    int i,j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    } 
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:12: error: expected ';' before ':' token
    4 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:4:21: error: expected expression before ')' token
    4 |     for(i=1:i<10:i++){
      |                     ^
main.c:5:16: error: expected ';' before ':' token
    5 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:5:25: error: expected expression before ')' token
    5 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include<stdio.h>
int main(){
    int i,j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    } 
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:12: error: expected ';' before ':' token
    4 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:4:21: error: expected expression before ')' token
    4 |     for(i=1:i<10:i++){
      |                     ^
main.c:5:16: error: expected ';' before ':' token
    5 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:5:25: error: expected expression before ')' token
    5 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include<stdio.h>

int main(){
    int i,j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:12: error: expected ';' before ':' token
    5 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:5:21: error: expected expression before ')' token
    5 |     for(i=1:i<10:i++){
      |                     ^
main.c:6:16: error: expected ';' before ':' token
    6 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:6:25: error: expected expression before ')' token
    6 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include<stdio.h>

int main(){
    int i,j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:12: error: expected ';' before ':' token
    5 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:5:21: error: expected expression before ')' token
    5 |     for(i=1:i<10:i++){
      |                     ^
main.c:6:16: error: expected ';' before ':' token
    6 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:6:25: error: expected expression before ')' token
    6 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include <stdio.h>

int main(){
    int i,j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:12: error: expected ';' before ':' token
    5 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:5:21: error: expected expression before ')' token
    5 |     for(i=1:i<10:i++){
      |                     ^
main.c:6:16: error: expected ';' before ':' token
    6 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:6:25: error: expected expression before ')' token
    6 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include <stdio.h>

int main(){
    int i,j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
	}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:12: error: expected ';' before ':' token
    5 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:5:21: error: expected expression before ')' token
    5 |     for(i=1:i<10:i++){
      |                     ^
main.c:6:16: error: expected ';' before ':' token
    6 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:6:25: error: expected expression before ')' token
    6 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#include<stdio.h>

int main(){
int i,j;
for(i=1:i<10:i++){
for(j=1:j<10:j++){
printf("%dx%d=%d\n",i,j,i*j);
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:8: error: expected ';' before ':' token
    5 | for(i=1:i<10:i++){
      |        ^
      |        ;
main.c:5:17: error: expected expression before ')' token
    5 | for(i=1:i<10:i++){
      |                 ^
main.c:6:8: error: expected ';' before ':' token
    6 | for(j=1:j<10:j++){
      |        ^
      |        ;
main.c:6:17: error: expected expression before ')' token
    6 | for(j=1:j<10:j++){
      |                 ^
Language: C

#include <stdio.h>

int main(){
    int i;
    int j;
    for(i=1:i<10:i++){
        for(j=1:j<10:j++){
            printf("%dx%d=%d\n",i,j,i*j);
        }
    }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:12: error: expected ';' before ':' token
    6 |     for(i=1:i<10:i++){
      |            ^
      |            ;
main.c:6:21: error: expected expression before ')' token
    6 |     for(i=1:i<10:i++){
      |                     ^
main.c:7:16: error: expected ';' before ':' token
    7 |         for(j=1:j<10:j++){
      |                ^
      |                ;
main.c:7:25: error: expected expression before ')' token
    7 |         for(j=1:j<10:j++){
      |                         ^
Language: C

#indlude<stdio.h>
 
	int main(){
    	1*1=1
	1*2=2
	1*3=3
	1*4=4
	1*5=5
	1*6=6
	1*7=7
	1*8=8
	1*9=9
	2*1=1
	2*2=4
	2*3=6
	2*4=8
	2*5=10
	2*6=12
	2*7=14
	2*8=16
	2*9=18
	3*1=3
	3*2=6
	3*3=9
	3*4=12
	3*5=15
	3*6=18
	3*7=21
	3*8=24
	3*9=27
	4*1=4
	4*2=8
	4*3=12
	4*4=16
	4*5=20
	4*6=24
	4*7=28
	4*8=32
	4*9=36
	5*1=5
	5*2=10
	5*3=15
	5*4=20
	5*5=25
	5*6=30
	5*7=35
	5*8=40
	5*9=45
	6*1=6
	6*2=12
	6*3=18
	6*4=24
	6*5=30
	6*6=36
	6*7=42
	6*8=48
	6*9=54
	7*1=7
	7*2=14
	7*3=21
	7*4=28
	7*5=35
	7*6=42
	7*7=49
	7*8=56
	7*9=63
	8*1=8
	8*2=16
	8*3=24
	8*4=32
	8*5=40
	8*6=48
	8*7=56
	8*8=64
	8*9=72
	9*1=9
	9*2=18
	9*3=27
	9*4=36
	9*5=45
	9*6=54
	9*7=63
	9*8=72
	9*9=81
	return 0;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #indlude; did you mean #include?
    1 | #indlude<stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:4:12: error: lvalue required as left operand of assignment
    4 |         1*1=1
      |            ^
main.c:4:14: error: expected ';' before numeric constant
    4 |         1*1=1
      |              ^
      |              ;
    5 |         1*2=2
      |         ~
Language: C

#include<stdio.h>

int main(){
    int a,b,c;
??????for(a=1;a<=9;a++)
    {
        for(b=1;b<=9;b++)
        {
            c=a*b;
            printf("%d??%d=%d\n",a,b,c);
	}

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:1: error: expected expression before '?' token
    5 | ??????for(a=1;a<=9;a++)
      | ^
main.c:14:1: error: expected declaration or statement at end of input
   14 | }
      | ^
Language: C

#include<stdio.h>

int main(){
    int a,b,c;
??????for(a=1;a<=9;a++)
    {
        for(b=1;b<=9;b++)
        {
            c=a*b;
            printf("%dx%d=%d\n",a,b,c);
	}

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:1: error: expected expression before '?' token
    5 | ??????for(a=1;a<=9;a++)
      | ^
main.c:14:1: error: expected declaration or statement at end of input
   14 | }
      | ^
Language: C

#include<stdio.h>

int main(){
    int a,b,c;
??????for(a=1;a<=9;a++)
    {
        for(b=1;b<=9;b++)
        {
            c=a*b;
            printf("%dx%d=%d\n",a,b,c);
	}
    }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:1: error: expected expression before '?' token
    5 | ??????for(a=1;a<=9;a++)
      | ^
Language: C

include<stdio.h>

int main(void)
{
  int i,n=0;
  for( i=1;i<10;i++){
   
    printf("1*%d=%d\n", i,1*i);
  }
 for( i=1;i<10;i++){
    
    printf("2*%d=%d\n", i,2*i);
  }
  for( i=1;i<10;i++){
   
    printf("3*%d=%d\n", i,3*i);
  }
for( i=1;i<10;i++){
   
    printf("4*%d=%d\n", i,4*i);
  }
  for( i=1;i<10;i++){
   
    printf("5*%d=%d\n", i,5*i);
  }
  for( i=1;i<10;i++){
    
    printf("6*%d=%d\n", i,6*i);
  }
for( i=1;i<10;i++){
    
    printf("7*%d=%d\n", i,7*i);
  }
for( i=1;i<10;i++){
    
    printf("8*%d=%d\n", i,8*i);
  }
for( i=1;i<10;i++){
   
    printf("9*%d=%d\n", i,9*i);
  }
    return 0;
  }
      
  

Compiler output:
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include<stdio.h>
      |        ^
Language: C

#include<stdio.h>

int main() {
	int a[][] = NULL;
	int kuku[][](i, j);
	int i = 0;
	int j = 0;
	for (i = 0; i < 9; i++)
	{
		for (j = 0; j < 9; j++)
		{
			printf("%d'x'%d=%d", i, j,i*j );
		}
	}

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:13: error: array type has incomplete element type 'int[]'
    4 |         int a[][] = NULL;
      |             ^
main.c:4:13: note: declaration of 'a' as multidimensional array must have bounds for all dimensions except the first
main.c:5:9: error: parameter names (without types) in function declaration [-Wdeclaration-missing-parameter-type]
    5 |         int kuku[][](i, j);
      |         ^~~
main.c:5:13: error: declaration of 'kuku' as array of functions
    5 |         int kuku[][](i, j);
      |             ^~~~
Language: C

#include <stdio.h>

int main(void){

int i,j;

for(i=1;i<=9;i++){
for(j=1;j<=9;j++){

print("%dx%d=%d\n",i,j,i*j);

}
}

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:10:1: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   10 | print("%dx%d=%d\n",i,j,i*j);
      | ^~~~~
      | printf
Language: C

#include<stdio.h>

int main(){
    int i,j;
    for(i=1;i<10;i++){
       for(j=1j<10;j++){
          printf("%dx%d\n",i*j);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:16: error: invalid operands to binary < (have 'complex int' and 'int')
    6 |        for(j=1j<10;j++){
      |                ^
main.c:6:23: error: expected ';' before ')' token
    6 |        for(j=1j<10;j++){
      |                       ^
      |                       ;
main.c:9:1: error: expected declaration or statement at end of input
    9 | }
      | ^
main.c:9:1: error: expected declaration or statement at end of input
Language: C

#include<stdio.h>
int main(void){
int i;
for(i=1;i<10;i++)
printf("%dx%d=%d",i,i,i*i);
return0;
}

Compiler output:
main.c: In function 'main':
main.c:6:1: error: 'return0' undeclared (first use in this function)
    6 | return0;
      | ^~~~~~~
main.c:6:1: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main(void)
{
 int i;
 int j;
 for(i=1;i<10;i++)
  { for(j=1;j<10;j++)
      {
       printf(ixj=i*j);
      }
  }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:15: error: 'ixj' undeclared (first use in this function)
   10 |        printf(ixj=i*j);
      |               ^~~
main.c:10:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main(void)
{
 int i;
 int j;
 for(i=1;i<10;i++)
  { for(j=1;j<10;j++)
      {
       printf("%dx%d=%d",i j i*j);
      }
  }

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:27: error: expected ')' before 'j'
   10 |        printf("%dx%d=%d",i j i*j);
      |              ~            ^~
      |                           )
Language: C

#include<stdio.h>

int main(){
int n=1, m=1;

for (n=1, n < 10, n++){
 for (m=1, m < 10, m++){
  printf("%d×%d=%d\n", n, m, n*m);
 }
}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:22: error: expected ';' before ')' token
    6 | for (n=1, n < 10, n++){
      |                      ^
      |                      ;
main.c:6:22: error: expected expression before ')' token
main.c:7:23: error: expected ';' before ')' token
    7 |  for (m=1, m < 10, m++){
      |                       ^
      |                       ;
main.c:7:23: error: expected expression before ')' token
Language: C

#include <stdio.h>

main(){

	for(int i=1;i<=9;i++){
		for(int j=1;j<=9;j++){
			printf("%d??%d=%d\n",i,j,i*j );
		}
	}

    return 0;
}

Compiler output:
main.c:3:1: error: return type defaults to 'int' [-Wimplicit-int]
    3 | main(){
      | ^~~~
Language: C

#include<stdio.h>

int main(){
for(i=0,i<=9,i++){
 for(j=0, j<=9,j++){
printf("%dx%d=%d\n, i, j, i*j);

}
}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:5: error: 'i' undeclared (first use in this function)
    4 | for(i=0,i<=9,i++){
      |     ^
main.c:4:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:17: error: expected ';' before ')' token
    4 | for(i=0,i<=9,i++){
      |                 ^
      |                 ;
main.c:4:17: error: expected expression before ')' token
main.c:5:6: error: 'j' undeclared (first use in this function)
    5 |  for(j=0, j<=9,j++){
      |      ^
main.c:5:19: error: expected ';' before ')' token
    5 |  for(j=0, j<=9,j++){
      |                   ^
      |                   ;
main.c:5:19: error: expected expression before ')' token
main.c:6:8: warning: missing terminating " character
    6 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^
main.c:6:8: error: missing terminating " character
    6 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^~~~~~~~~~~~~~~~~~~~~~~~
main.c:8:1: error: expected expression before '}' token
    8 | }
      | ^
main.c:6:8: error: expected ';' before '}' token
    6 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^
      |        ;
    7 | 
    8 | }
      | ~
Language: C

#include<stdio.h>

int main(){
int i,j;
for(i=0,i<=9,i++){
 for(j=0, j<=9,j++){
printf("%dx%d=%d\n, i, j, i*j);

}
}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:17: error: expected ';' before ')' token
    5 | for(i=0,i<=9,i++){
      |                 ^
      |                 ;
main.c:5:17: error: expected expression before ')' token
main.c:6:19: error: expected ';' before ')' token
    6 |  for(j=0, j<=9,j++){
      |                   ^
      |                   ;
main.c:6:19: error: expected expression before ')' token
main.c:7:8: warning: missing terminating " character
    7 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^
main.c:7:8: error: missing terminating " character
    7 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^~~~~~~~~~~~~~~~~~~~~~~~
main.c:9:1: error: expected expression before '}' token
    9 | }
      | ^
main.c:7:8: error: expected ';' before '}' token
    7 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^
      |        ;
    8 | 
    9 | }
      | ~
Language: C

#include<stdio.h>

int main(){

for (int n=1, n < 10, n++){
 for (int m=1, m < 10, m++){
  printf("%d×%d=%d\n", n, m, n*m);
 }
}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    5 | for (int n=1, n < 10, n++){
      |                 ^
main.c:10:5: error: expected expression before 'return'
   10 |     return 0;
      |     ^~~~~~
main.c:11:1: error: expected expression before '}' token
   11 | }
      | ^
main.c:11:1: error: expected expression before '}' token
Language: C

#include<stdio.h>

int main(){

int i,j;
for(i=0;i<=9;i++){
 for(j=0;j<=9;j++){
printf("%dx%d=%d\n, i, j, i*j);

}
}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:8: warning: missing terminating " character
    8 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^
main.c:8:8: error: missing terminating " character
    8 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^~~~~~~~~~~~~~~~~~~~~~~~
main.c:10:1: error: expected expression before '}' token
   10 | }
      | ^
main.c:8:8: error: expected ';' before '}' token
    8 | printf("%dx%d=%d\n, i, j, i*j);
      |        ^
      |        ;
    9 | 
   10 | }
      | ~
Language: C

#include<stdio.h>

int main(){
int n, m;
for (n=1, n < 10, n++){
 for (m=1, m < 10, m++){
  printf("%d×%d=%d\n", n, m, n*m);
 }
}
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:22: error: expected ';' before ')' token
    5 | for (n=1, n < 10, n++){
      |                      ^
      |                      ;
main.c:5:22: error: expected expression before ')' token
main.c:6:23: error: expected ';' before ')' token
    6 |  for (m=1, m < 10, m++){
      |                       ^
      |                       ;
main.c:6:23: error: expected expression before ')' token
Language: C

#include<stdio.h>

int main (void){

  int a,b,sum=0;
  a=1,b=1;

  while(a<=9){
  sum=a*b;
  printf("%dx%d=%d\n",a,b,sum);
  b++;
  if(b>9){
    a++;
    b=1;
  }
  }
  return0;
}

Compiler output:
main.c: In function 'main':
main.c:17:3: error: 'return0' undeclared (first use in this function)
   17 |   return0;
      |   ^~~~~~~
main.c:17:3: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
#include<conio.h>
void main()
{
  long long int j,i;
   clrscr();
   printf("Multiplication table from 1 to 15 \n\n");
   for(i=1;i<=9;i++)
   {
     for(j=1;j<=9;j++)
	 printf("% lld\n",i*j);
     printf("\n");
   }
   return 0;
}

Compiler output:
main.c:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
int main(){
  int i,j;
  for(i=1;i<10;i++){
    for(j=1;j<10j++){
      printf("%dx%d=%d\n",i,j,i*j);
    }
  }
  return(0);
}

Compiler output:
main.c: In function 'main':
main.c:5:18: error: lvalue required as increment operand
    5 |     for(j=1;j<10j++){
      |                  ^~
main.c:5:20: error: expected ';' before ')' token
    5 |     for(j=1;j<10j++){
      |                    ^
      |                    ;
Language: C

#include <stdio.h>
int main()
{
int i;
int j;
for(i=1;i<=10;i=++){
for(j=1;j<=10;j=++)
printf("%dx%d=%d\n",i,j,i*j);
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:19: error: expected expression before ')' token
    6 | for(i=1;i<=10;i=++){
      |                   ^
main.c:7:19: error: expected expression before ')' token
    7 | for(j=1;j<=10;j=++)
      |                   ^
main.c: At top level:
main.c:11:1: error: expected identifier or '(' before 'return'
   11 | return 0;
      | ^~~~~~
main.c:12:1: error: expected identifier or '(' before '}' token
   12 | }
      | ^
Language: C

#include<iostream>

using namespace std;

int main()
{
    for(int i=1;i<=9;i++)
    {
        for(int j=1;j<=9;j++)
        {
            cout<<i<<"x"<<j<<"="<<i*j<<endl;
        }
    }
    return 0;
}

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.