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

#include<stdio.h>
int main(){
  int a[3];
  int i,j,min;

  for(i=0;i<3;i++){
    scanf("%d",&a[i]);
  }
  for(i=0;i<3;i++){
    for(j=i+1;j<3;j++){
      if(1<=a[i] && a[i]<=10000){
        if(a[i]>a[j]){
          min=a[i];
          a[i]=a[j];
          a[j]=min;
	}
      }
    }
  }
  for(i=0;i<3;i++){
    printf("%d ",a[i]);
  }
}
  printf("\n");
  return 0;
}

Compiler output:
main.c:24:10: error: expected declaration specifiers or '...' before string constant
   24 |   printf("\n");
      |          ^~~~
main.c:25:3: error: expected identifier or '(' before 'return'
   25 |   return 0;
      |   ^~~~~~
main.c:26:1: error: expected identifier or '(' before '}' token
   26 | }
      | ^
Language: C

#include<stdio.h>
int main(){
  int a[3];
  int i,j,min;

  for(i=0;i<3;i++){
    scanf("%d",&a[i]);
  }
  for(i=0;i<3;i++){
    for(j=i+1;j<3;j++){
      if(1<=a[i] && a[i]<=10000){
        if(a[i]>a[j]){
          min=a[i];
          a[i]=a[j];
          a[j]=min;
        }
      }
    }
  }
  for(i=0;i<3;i++){
    printf("%d ",a[i]);
  }
  printf("\n");
  return 0;

Compiler output:
main.c: In function 'main':
main.c:24:3: error: expected declaration or statement at end of input
   24 |   return 0;
      |   ^~~~~~
Language: C

#include<stdio.h>
int main(){
  int a[3];
  int i,j,min;

  for(i=0;i<3;i++){
    scanf("%d",&a[i]);
  }
  for(i=0;i<3;i++){
    for(j=I+1;j<3;j++){
if(1<=a[i] && a[i]<=10000){
        if(a[i]>a[j]){
          min=a[i];
          a[i]=a[j];
          a[j]=min;
        }
      }
    }
}
   for(i=0;i<3;i++){
    printf("%d ",a[i]);
  }
  printf("\n");
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:11: error: 'I' undeclared (first use in this function)
   10 |     for(j=I+1;j<3;j++){
      |           ^
main.c:10:11: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
  int a[3];
  int i,j,min;

  for(i=0;i<3;i++){
    scanf("%d",&a[i]);
  }
  for(i=0;i<3;i++){
    for(j=i+1;j<3;j++){
      if(1<=a[i] && a[i]<=10000){
        if(a[i]>a[j]){
          min=a[i];
          a[i]=a[j];
          a[j]=min;
        }
      }
    }
  }
 
   printf("%d ",a[0]);
printf("%d " ,a[1]);
printf("%d\n", a[2];
 
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:23:20: error: expected ')' before ';' token
   23 | printf("%d\n", a[2];
      |       ~            ^
      |                    )
main.c:25:12: error: expected ';' before '}' token
   25 |   return 0;
      |            ^
      |            ;
   26 | }
      | ~
Language: C

#include <stdio.h>

int main(void)
{
	int n[3];
	int i;
	for(i=0;i<3;i++)
	scanf("%d",&a[i]);
	
	if(a<b){
		if(b<c)
			printf("%d %d %d\n",a,b,c);
		else if(c<b && a<c)
			printf("%d %d %d\n",a,c,b);
		else
			printf("%d %d %d\n",c,a,b);
	}else{
		if(b<c)
			printf("%d %d %d\n",b,a,c);
		else if(c>b && a>c)
			printf("%d %d %d\n",b,c,a);
		else
			printf("%d %d %d\n",c,b,a);
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:21: error: 'a' undeclared (first use in this function)
    8 |         scanf("%d",&a[i]);
      |                     ^
main.c:8:21: note: each undeclared identifier is reported only once for each function it appears in
main.c:10:14: error: 'b' undeclared (first use in this function)
   10 |         if(a<b){
      |              ^
main.c:11:22: error: 'c' undeclared (first use in this function)
   11 |                 if(b<c)
      |                      ^
Language: C

#include <stdio.h>

int main(void)
{
	int i;
	int tmp;
	int a,b,c;
	
	scanf("%d",&a);
	scanf("%d",&b);
	scanf("%d",&c);
	
	if(a > b)
	{
		tmp = a;
		a = b;
		b = tmp;
	}
	if(b > c)
	{
		tmp = b;
		b = c;
		c = tmp;
	}
	if(a > b)
	{
		tmp = a;
		a = b;
		b = tmp;
	}

	printf("%d %d %d\n",a,b,c);
	
	return 0;

Compiler output:
main.c: In function 'main':
main.c:34:9: error: expected declaration or statement at end of input
   34 |         return 0;
      |         ^~~~~~
Language: C

#include <stdio.h>

int main(void)
{
	int a,b,c;
	int tmp;

	scanf("%d %d %d",&a,&b,&c);

	if(c <= a)
	{
		tmp = a;
		a = c;
		c = tmp;
	}
	if(b <= a)
	{
		tmp = a;
		a = b;
		b = tmp;
	}
	if(c <= b)
	{
		tmp = c;
		c = b;
		b = tmp;
	}

Compiler output:
main.c: In function 'main':
main.c:27:9: error: expected declaration or statement at end of input
   27 |         }
      |         ^
Language: C

#include <stdio.h>

int main()
{
 int a,b,c;
 scanf("%d" ,&a);
 scanf("%d" ,&b);
 scanf("%d" ,&c);
 
 if (a < b&&b < c)
 printf("%d\n", a b c);
 
 else if (c < b&&b < a)
 printf("%d\n", c b a);

 else if (b < a&&a < c)
 printf("%d\n", b a c);

 else if (c < a&&a < b)
 printf("%d\n", c a b);

 else if (a < c&&c < b)
 printf("%d\n", a c b);

 else 
 printf("%d\n", b c a);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:18: error: expected ')' before 'b'
   11 |  printf("%d\n", a b c);
      |        ~         ^~
      |                  )
main.c:14:18: error: expected ')' before 'b'
   14 |  printf("%d\n", c b a);
      |        ~         ^~
      |                  )
main.c:17:18: error: expected ')' before 'a'
   17 |  printf("%d\n", b a c);
      |        ~         ^~
      |                  )
main.c:20:18: error: expected ')' before 'a'
   20 |  printf("%d\n", c a b);
      |        ~         ^~
      |                  )
main.c:23:18: error: expected ')' before 'c'
   23 |  printf("%d\n", a c b);
      |        ~         ^~
      |                  )
main.c:26:18: error: expected ')' before 'c'
   26 |  printf("%d\n", b c a);
      |        ~         ^~
      |                  )
Language: C

#include<stdio.h>
int main (void)  {
scanf("%d",&a,&b,&c);
if(a < b && b < c )
{ printf("&a &b &c \n");
}
else {
printf("&a &b &c\n");

}
return 0 }

Compiler output:
main.c: In function 'main':
main.c:3:13: error: 'a' undeclared (first use in this function)
    3 | scanf("%d",&a,&b,&c);
      |             ^
main.c:3:13: note: each undeclared identifier is reported only once for each function it appears in
main.c:3:16: error: 'b' undeclared (first use in this function)
    3 | scanf("%d",&a,&b,&c);
      |                ^
main.c:3:19: error: 'c' undeclared (first use in this function)
    3 | scanf("%d",&a,&b,&c);
      |                   ^
main.c:11:9: error: expected ';' before '}' token
   11 | return 0 }
      |         ^~
      |         ;
Language: C

#include<stdio.h>
int main (void)  {
scanf("%d %d %d",&a,&b,&c);
if(a < b && b < c )
{ printf("&a &b &c \n");
}
else {
printf("&a &b &c\n");

}
return 0 }

Compiler output:
main.c: In function 'main':
main.c:3:19: error: 'a' undeclared (first use in this function)
    3 | scanf("%d %d %d",&a,&b,&c);
      |                   ^
main.c:3:19: note: each undeclared identifier is reported only once for each function it appears in
main.c:3:22: error: 'b' undeclared (first use in this function)
    3 | scanf("%d %d %d",&a,&b,&c);
      |                      ^
main.c:3:25: error: 'c' undeclared (first use in this function)
    3 | scanf("%d %d %d",&a,&b,&c);
      |                         ^
main.c:11:9: error: expected ';' before '}' token
   11 | return 0 }
      |         ^~
      |         ;
Language: C

#include<stdio.h>
int main(void)  {
scanf("%d %d %d",&a,&b,&c);
if(a < b && b < c )
{ printf("&a &b &c \n");
}
else {
printf("&a &b &c\n");

}
return 0 }

Compiler output:
main.c: In function 'main':
main.c:3:19: error: 'a' undeclared (first use in this function)
    3 | scanf("%d %d %d",&a,&b,&c);
      |                   ^
main.c:3:19: note: each undeclared identifier is reported only once for each function it appears in
main.c:3:22: error: 'b' undeclared (first use in this function)
    3 | scanf("%d %d %d",&a,&b,&c);
      |                      ^
main.c:3:25: error: 'c' undeclared (first use in this function)
    3 | scanf("%d %d %d",&a,&b,&c);
      |                         ^
main.c:11:9: error: expected ';' before '}' token
   11 | return 0 }
      |         ^~
      |         ;
Language: C

#include<stdio.h>
int main(void)  {
int a;
int b;
int c;
scanf("%d %d %d",&a,&b,&c);
if(a < b && b < c )
{ printf("&a &b &c \n");
}
else {
printf("&a &b &c\n");

}
return 0 }

Compiler output:
main.c: In function 'main':
main.c:14:9: error: expected ';' before '}' token
   14 | return 0 }
      |         ^~
      |         ;
Language: C

#include<stdio.h>
int main(void)  {
int a ;
int b ;
int c ;
scanf("%d %d %d",&a,&b,&c);
if(a <= b && b <= c )
{ printf("%d %d %d" a,b,c);
}
else{
printf("%d %d %d" a,b,c);

}
return 0 ;}

Compiler output:
main.c: In function 'main':
main.c:8:20: error: expected ')' before 'a'
    8 | { printf("%d %d %d" a,b,c);
      |         ~          ^~
      |                    )
main.c:11:18: error: expected ')' before 'a'
   11 | printf("%d %d %d" a,b,c);
      |       ~          ^~
      |                  )
Language: C

#include <stdio.h>

int main(){

    int i,k,l;
    int *j;
    int data[10];
    j=data;
    
    for (i=0;i<3;++i) {
		scanf("%d",j+i);
     }
   
    for (i=0;i<3;++i) {
	  for(k=i+1;k<3;++k){
		if (data[i]>data[k]){
	???????????????l=data[i];
	???????????????data[i]=data[k];
		???data[k]=l;
	     }
	    }
	 }
??????printf("%d %d %d\n",data[0],data[1],data[2]);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:17:9: error: expected expression before '?' token
   17 |         ???????????????l=data[i];
      |         ^
main.c:18:9: error: expected expression before '?' token
   18 |         ???????????????data[i]=data[k];
      |         ^
main.c:19:17: error: expected expression before '?' token
   19 |                 ???data[k]=l;
      |                 ^
main.c:23:1: error: expected expression before '?' token
   23 | ??????printf("%d %d %d\n",data[0],data[1],data[2]);
      | ^
Language: C

#include <stdio.h>

int main(){

    int i,k,l;
    int *j;
    int data[10];
    j=data;
    
    for (i=0;i<3;++i) {
	scanf("%d",j+i);
     }
   
    for (i=0;i<3;++i) {
	  for(k=i+1;k<3;++k){
	??????if (data[i]>data[k]){
	???????????????l=data[i];
	???????????????data[i]=data[k];
		???data[k]=l;
??????	     }
	   }
	 }
??????printf("%d %d %d\n",data[0],data[1],data[2]);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:16:9: error: expected expression before '?' token
   16 |         ??????if (data[i]>data[k]){
      |         ^
main.c:23:1: error: expected expression before '?' token
   23 | ??????printf("%d %d %d\n",data[0],data[1],data[2]);
      | ^
Language: C

#include <stdio.h>

int main(){

    int i,k,l;
    int data[10];
    
    for (i=0;i<3;++i) {
		scanf("%d",data+i);
     }
   
    for (i=0;i<3;++i) {
	  for(k=i+1;k<3;++k){
		if (data[i]>data[k]){
			l=data[i];
			data[i]=data[k];
			data[k]=l;
	     }
	    }
	??? }
??????printf("%d %d %d\n",data[0],data[1],data[2]);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:9: error: expected expression before '?' token
   20 |         ??? }
      |         ^
main.c:21:1: error: expected expression before '?' token
   21 | ??????printf("%d %d %d\n",data[0],data[1],data[2]);
      | ^
Language: C

#include <stdio.h>

int main(){

    int i,k,l;
    int data[10];
    
    for (i=0;i<3;++i) {
		scanf("%d",data+i);
     }
   
    for (i=0;i<3;++i) {
	  for(k=i+1;k<3;++k){
		if (data[i]>data[k]){
			l=data[i];
			data[i]=data[k];
			data[k]=l;
????????????????????????}
	   }
??????}

??????printf("%d %d %d\n",data[0],data[1],data[2]);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:18:1: error: expected expression before '?' token
   18 | ????????????????????????}
      | ^
main.c:20:1: error: expected expression before '?' token
   20 | ??????}
      | ^
main.c:22:1: error: expected expression before '?' token
   22 | ??????printf("%d %d %d\n",data[0],data[1],data[2]);
      | ^
Language: C

#include<stdio.h>

int main(void){
  int a,b,c Stac;
  scanf("%d %d %d", &a, &b, &c);
  if(a>b) Stac=a, a=b, b=Stac;
  if(b>c) Stac=b, b=c, c=Stac;
  if(a>b) Stac=a, a=b, b=Stac;
  printf("%d %d %d\n", a, b, c);
}

Compiler output:
main.c: In function 'main':
main.c:4:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Stac'
    4 |   int a,b,c Stac;
      |             ^~~~
main.c:5:30: error: 'c' undeclared (first use in this function)
    5 |   scanf("%d %d %d", &a, &b, &c);
      |                              ^
main.c:5:30: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:11: error: 'Stac' undeclared (first use in this function)
    6 |   if(a>b) Stac=a, a=b, b=Stac;
      |           ^~~~
Language: C

#include<stdio.h>

int main(void){
  int a,b,c Stac;
  scanf("%d %d %d", &a, &b, &c);
  if(a>b) {Stac=a; a=b; b=Stac;}
  if(b>c) {Stac=b; b=c; c=Stac;}
  if(a>b) {Stac=a; a=b; b=Stac;}
  printf("%d %d %d\n", a, b, c);
}

Compiler output:
main.c: In function 'main':
main.c:4:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Stac'
    4 |   int a,b,c Stac;
      |             ^~~~
main.c:5:30: error: 'c' undeclared (first use in this function)
    5 |   scanf("%d %d %d", &a, &b, &c);
      |                              ^
main.c:5:30: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:12: error: 'Stac' undeclared (first use in this function)
    6 |   if(a>b) {Stac=a; a=b; b=Stac;}
      |            ^~~~
Language: C

#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);

if(a < b)
if(b < c)
printf("%d %d %d\n",a,b,c);

else if(a < c)
else if(c < b)
printf("%d %d %d\n",a,c,b);

else if(b < a)
else if(a < c)
printf("%d %d %d\n",b,a,c);

else if(b < c)
else if(c < a)
printf("%d %d %d\n",b,c,a);

else if(c < a)
else if(a < b)
printf("%d %d %d\n",c,a,b);

else if(c < b)
else if(b < a)
printf("%d %d %d\n",c,b,a);

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:12:1: error: expected expression before 'else'
   12 | else if(c < b)
      | ^~~~
main.c:16:1: error: expected expression before 'else'
   16 | else if(a < c)
      | ^~~~
main.c:20:1: error: expected expression before 'else'
   20 | else if(c < a)
      | ^~~~
main.c:24:1: error: expected expression before 'else'
   24 | else if(a < b)
      | ^~~~
main.c:28:1: error: expected expression before 'else'
   28 | else if(b < a)
      | ^~~~
Language: C

#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);

if(a < b)
  (b < c)
printf("%d %d %d\n",a,b,c);

else if(a < c)
       (c < b)
printf("%d %d %d\n",a,c,b);

else if(b < a)
       (a < c)
printf("%d %d %d\n",b,a,c);

else if(b < c)
       (c < a)
printf("%d %d %d\n",b,c,a);

else if(c < a)
       (a < b)
printf("%d %d %d\n",c,a,b);

else if(c < b)
       (b < a)
printf("%d %d %d\n",c,b,a);

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:8:10: error: expected ';' before 'printf'
    8 |   (b < c)
      |          ^
      |          ;
    9 | printf("%d %d %d\n",a,b,c);
      | ~~~~~~    
main.c:12:15: error: expected ';' before 'printf'
   12 |        (c < b)
      |               ^
      |               ;
   13 | printf("%d %d %d\n",a,c,b);
      | ~~~~~~         
main.c:16:15: error: expected ';' before 'printf'
   16 |        (a < c)
      |               ^
      |               ;
   17 | printf("%d %d %d\n",b,a,c);
      | ~~~~~~         
main.c:20:15: error: expected ';' before 'printf'
   20 |        (c < a)
      |               ^
      |               ;
   21 | printf("%d %d %d\n",b,c,a);
      | ~~~~~~         
main.c:24:15: error: expected ';' before 'printf'
   24 |        (a < b)
      |               ^
      |               ;
   25 | printf("%d %d %d\n",c,a,b);
      | ~~~~~~         
main.c:28:15: error: expected ';' before 'printf'
   28 |        (b < a)
      |               ^
      |               ;
   29 | printf("%d %d %d\n",c,b,a);
      | ~~~~~~
Language: C

#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);

if(a < b&&b < c)
printf("%d %d %d\n",a,b,c);

else if(a < c&&c < b)
printf("%d %d %d\n",a,c,b);

else if(b < a&&a < c)
printf("%d %d %d\n",b,a,c);

else if(b < c&&c < a)
printf("%d %d %d\n",b,c,a);

else if(c < a&&a < b)
printf("%d %d %d\n",c,a,b);

else if(c < b&&b < a)
printf("%d %d %d\n",c,b,a);

else if(c = b&&b < a)
printf("%d %d %d\n",c,b,a);

else if( a< b&&b = c )
printf("%d %d %d\n",c,b,a);

else if( a = b&&b < c )
printf("%d %d %d\n",c,b,a);

else if( c< b&&b = a )
printf("%d %d %d\n",c,b,a);

else if( a = c&&c < b )
printf("%d %d %d\n",c,b,a);

else if( b < c&&c = a )
printf("%d %d %d\n",c,b,a);

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:28:18: error: lvalue required as left operand of assignment
   28 | else if( a< b&&b = c )
      |                  ^
main.c:34:18: error: lvalue required as left operand of assignment
   34 | else if( c< b&&b = a )
      |                  ^
main.c:40:19: error: lvalue required as left operand of assignment
   40 | else if( b < c&&c = a )
      |                   ^
Language: C

#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);

if(a < b&&b < c)
printf("%d %d %d\n",a,b,c);

else if(a < c&&c < b)
printf("%d %d %d\n",a,c,b);

else if(b < a&&a < c)
printf("%d %d %d\n",b,a,c);

else if(b < c&&c < a)
printf("%d %d %d\n",b,c,a);

else if(c < a&&a < b)
printf("%d %d %d\n",c,a,b);

else if(c < b&&b < a)
printf("%d %d %d\n",c,b,a);

else if(c = b&&b < a)
printf("%d %d %d\n",c,b,a);

else if( a< b&&b = c )
printf("%d %d %d\n",a,b,c);

else if( a = b&&b < c )
printf("%d %d %d\n",a,b,c);

else if( c< b&&b = a )
printf("%d %d %d\n",c,b,a);

else if( a = c&&c < b )
printf("%d %d %d\n",a,c,b);

else if( b < c&&c = a )
printf("%d %d %d\n",b,c,a);

return 0;

}

Compiler output:
main.c: In function 'main':
main.c:28:18: error: lvalue required as left operand of assignment
   28 | else if( a< b&&b = c )
      |                  ^
main.c:34:18: error: lvalue required as left operand of assignment
   34 | else if( c< b&&b = a )
      |                  ^
main.c:40:19: error: lvalue required as left operand of assignment
   40 | else if( b < c&&c = a )
      |                   ^
Language: C

#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);

if(a =< b&&b =< c)
printf("%d %d %d\n",a,b,c);

else if(a =< c&&c =< b)
printf("%d %d %d\n",a,c,b);

else if(b =< a&&a =< c)
printf("%d %d %d\n",b,a,c);

else if(b =< c&&c =< a)
printf("%d %d %d\n",b,c,a);

else if(c =< a&&a =< b)
printf("%d %d %d\n",c,a,b);

else if(c =< b&&b =< a)
printf("%d %d %d\n",c,b,a);


return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:7: error: expected expression before '<' token
    7 | if(a =< b&&b =< c)
      |       ^
main.c:10:12: error: expected expression before '<' token
   10 | else if(a =< c&&c =< b)
      |            ^
main.c:13:12: error: expected expression before '<' token
   13 | else if(b =< a&&a =< c)
      |            ^
main.c:16:12: error: expected expression before '<' token
   16 | else if(b =< c&&c =< a)
      |            ^
main.c:19:12: error: expected expression before '<' token
   19 | else if(c =< a&&a =< b)
      |            ^
main.c:22:12: error: expected expression before '<' token
   22 | else if(c =< b&&b =< a)
      |            ^
Language: C

#include<stdio.h>
int main()
{
	int a, b, c;
	scanf("%d %d %d\n", &a, &b, &c);
	if (a=<b&&b=<c)
		printf("%d %d %d\n", a, b, c);
	else if (a=<c&&c=<b)
		printf("%d %d %d\n", a, c, b);
	else if (b=<a&&a=<c)
		printf("%d %d %d\n", b, a, c);
	else if (b=<c&&c=<a)
		printf("%d %d %d\n", b, c, a);
	else if (c=<a&&a=<b)
		printf("%d %d %d\n", c, a, b);
	else
		printf("%d %d %d\n", c, b, a);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:15: error: expected expression before '<' token
    6 |         if (a=<b&&b=<c)
      |               ^
main.c:8:20: error: expected expression before '<' token
    8 |         else if (a=<c&&c=<b)
      |                    ^
main.c:10:20: error: expected expression before '<' token
   10 |         else if (b=<a&&a=<c)
      |                    ^
main.c:12:20: error: expected expression before '<' token
   12 |         else if (b=<c&&c=<a)
      |                    ^
main.c:14:20: error: expected expression before '<' token
   14 |         else if (c=<a&&a=<b)
      |                    ^
Language: C

#include<stdio.h>
int main()
{
int a, b, c;
scanf("%d %d %d\n", &a, &b, &c);
if (a=<b&&b=<c)
	printf("%d %d %d\n", a, b, c);
else if (a=<c&&c=<b)
	printf("%d %d %d\n", a, c, b);
else if (b=<a&&a=<c)
	printf("%d %d %d\n", b, a, c);
else if (b=<c&&c=<a)
	printf("%d %d %d\n", b, c, a);
else if (c=<a&&a=<b)
	printf("%d %d %d\n", c, a, b);
else if (c=<b&&b=<a)
	printf("%d %d %d\n", c, b, a);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:7: error: expected expression before '<' token
    6 | if (a=<b&&b=<c)
      |       ^
main.c:8:12: error: expected expression before '<' token
    8 | else if (a=<c&&c=<b)
      |            ^
main.c:10:12: error: expected expression before '<' token
   10 | else if (b=<a&&a=<c)
      |            ^
main.c:12:12: error: expected expression before '<' token
   12 | else if (b=<c&&c=<a)
      |            ^
main.c:14:12: error: expected expression before '<' token
   14 | else if (c=<a&&a=<b)
      |            ^
main.c:16:12: error: expected expression before '<' token
   16 | else if (c=<b&&b=<a)
      |            ^
Language: C

#include <stdio.h>
int main()
{
int a, b, c;
scanf("%d %d %d\n", &a, &b, &c);
if (a=<b&&b=<c)
	printf("%d %d %d\n", a, b, c);
else if (a=<c&&c=<b)
	printf("%d %d %d\n", a, c, b);
else if (b=<a&&a=<c)
	printf("%d %d %d\n", b, a, c);
else if (b=<c&&c=<a)
	printf("%d %d %d\n", b, c, a);
else if (c=<a&&a=<b)
	printf("%d %d %d\n", c, a, b);
else if (c=<b&&b=<a)
	printf("%d %d %d\n", c, b, a);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:7: error: expected expression before '<' token
    6 | if (a=<b&&b=<c)
      |       ^
main.c:8:12: error: expected expression before '<' token
    8 | else if (a=<c&&c=<b)
      |            ^
main.c:10:12: error: expected expression before '<' token
   10 | else if (b=<a&&a=<c)
      |            ^
main.c:12:12: error: expected expression before '<' token
   12 | else if (b=<c&&c=<a)
      |            ^
main.c:14:12: error: expected expression before '<' token
   14 | else if (c=<a&&a=<b)
      |            ^
main.c:16:12: error: expected expression before '<' token
   16 | else if (c=<b&&b=<a)
      |            ^
Language: C

#include <stdio.h>
int main()
{
int a(0),a(1),a(2),b,j;
scanf("%d %d %d\n",&a(0),&a(1),&a(2));
if(a(j)>a(j+1))
a(j)=b
a(j+1)=a(j)
b=a(j+1)

printf("%d %d %d",a(0),a(1),a(2));

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:7: error: expected declaration specifiers or '...' before numeric constant
    4 | int a(0),a(1),a(2),b,j;
      |       ^
main.c:5:21: error: implicit declaration of function 'a' [-Wimplicit-function-declaration]
    5 | scanf("%d %d %d\n",&a(0),&a(1),&a(2));
      |                     ^
main.c:5:20: error: lvalue required as unary '&' operand
    5 | scanf("%d %d %d\n",&a(0),&a(1),&a(2));
      |                    ^
main.c:5:26: error: lvalue required as unary '&' operand
    5 | scanf("%d %d %d\n",&a(0),&a(1),&a(2));
      |                          ^
main.c:5:32: error: lvalue required as unary '&' operand
    5 | scanf("%d %d %d\n",&a(0),&a(1),&a(2));
      |                                ^
main.c:6:6: error: 'j' undeclared (first use in this function)
    6 | if(a(j)>a(j+1))
      |      ^
main.c:6:6: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:6: error: 'b' undeclared (first use in this function)
    7 | a(j)=b
      |      ^
main.c:7:7: error: expected ';' before 'a'
    7 | a(j)=b
      |       ^
      |       ;
    8 | a(j+1)=a(j)
      | ~
Language: C

#include<stdio.h>
int main(){
	int a,b,c;
	scanf("%d %d %d",&a,&b,&c);
	if(a<b&&b<C){
		printf("a b c\n");
	}
	if(b<c&&b<a){
		printf("b c a\n");
	}
	if(c<a&&a<b){
		printf("c a b\n");
	}
	if(a<c&&c<b){
		printf("a c b\n");
	}
	if(b<a&&a<c){
		printf("b a c\n");
	}
	if(c<b&&b<a){
		printf("c b a\n");
	}
	return 0;
}
	
					

Compiler output:
main.c: In function 'main':
main.c:5:19: error: 'C' undeclared (first use in this function)
    5 |         if(a<b&&b<C){
      |                   ^
main.c:5:19: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
int main()
{
int a[3];
scanf("%d %d %d",&a[0],%a[1],&a[2]);
if(a[j]>a[j+1])
{b=a[j];
a[j]=a[j+1];
a[j+1]=b;}
printf("%d %d %d",a[0],a[1],a[2]);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:24: error: expected expression before '%' token
    5 | scanf("%d %d %d",&a[0],%a[1],&a[2]);
      |                        ^
main.c:6:6: error: 'j' undeclared (first use in this function)
    6 | if(a[j]>a[j+1])
      |      ^
main.c:6:6: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:2: error: 'b' undeclared (first use in this function)
    7 | {b=a[j];
      |  ^
Language: C

#include <stdio.h>
int main()
{
int a[3];
scanf("%d %d %d",&a[0],%a[1],&a[2]);
if(a[j]>a[j+1])
{b=a[j];
a[j]=a[j+1];
a[j+1]=b;}
printf("%d %d %d",a[2],a[1],a[0]);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:24: error: expected expression before '%' token
    5 | scanf("%d %d %d",&a[0],%a[1],&a[2]);
      |                        ^
main.c:6:6: error: 'j' undeclared (first use in this function)
    6 | if(a[j]>a[j+1])
      |      ^
main.c:6:6: note: each undeclared identifier is reported only once for each function it appears in
main.c:7:2: error: 'b' undeclared (first use in this function)
    7 | {b=a[j];
      |  ^
Language: C

#include (stdio.h)
int main()
{int a[3],b;
scanf("%d %d %d",&a[0],&a[1],&a[3]);
for(j=0;j<j+1;j++){
if(a[j]<a[j+1]){
b=a[j];
a[j]=a[j+1];
a[a+1]=b;}
return 0;}

Compiler output:
main.c:1:10: error: #include expects "FILENAME" or <FILENAME>
    1 | #include (stdio.h)
      |          ^
main.c: In function 'main':
main.c:4:1: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    4 | scanf("%d %d %d",&a[0],&a[1],&a[3]);
      | ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #include (stdio.h)
main.c:4:1: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    4 | scanf("%d %d %d",&a[0],&a[1],&a[3]);
      | ^~~~~
main.c:4:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:5: error: 'j' undeclared (first use in this function)
    5 | for(j=0;j<j+1;j++){
      |     ^
main.c:5:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:2: error: array subscript is not an integer
    9 | a[a+1]=b;}
      |  ^
main.c:10:1: error: expected declaration or statement at end of input
   10 | return 0;}
      | ^~~~~~
Language: C

#include <stdio.h>
int main()
{int a[3],b;
scanf("%d %d %d",&a[0],&a[1],&a[3]);
for(j=0;j<j+1;j++){
if(a[j]<a[j+1]){
b=a[j];
a[j]=a[j+1];
a[a+1]=b;}}
return 0;}

Compiler output:
main.c: In function 'main':
main.c:5:5: error: 'j' undeclared (first use in this function)
    5 | for(j=0;j<j+1;j++){
      |     ^
main.c:5:5: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:2: error: array subscript is not an integer
    9 | a[a+1]=b;}}
      |  ^
Language: C

#include <stdio.h>
int main()
{int a[3],b,j;
scanf("%d %d %d",&a[0],&a[1],&a[3]);
for(j=0;j<j+1;j++){
if(a[j]<a[j+1]){
b=a[j];
a[j]=a[j+1];
a[a+1]=b;}}
return 0;}

Compiler output:
main.c: In function 'main':
main.c:9:2: error: array subscript is not an integer
    9 | a[a+1]=b;}}
      |  ^
Language: C

#include <stdio.h>
int main()
{int a[3],b,j;
scanf("%d %d %d",&a[0],&a[1],&a[3]);
for(j=0;j<j+1;j++){
if(a[j]<a[j+1]){
b=a[j];
a[j]=a[j+1];
a[a+1]=b;
}
}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:2: error: array subscript is not an integer
    9 | a[a+1]=b;
      |  ^
Language: C

include<stdio.h>

int main(){
	int a,b,c;
	scanf("%d%d%d",&a,&b,&c);
    if(a<b&&b<c){printf("%d %d %d\n",a,b,c);}
	else if((a<c&&c<b)){printf("%d %d %d\n",a,c,b);}
	else if((b<a&&a<c)){printf("%d %d %d\n",b,a,c);}
	else if((b<c&&c<a)){printf("%d %d %d\n",b,c,a);}
	else if((c<a&&a<b)){printf("%d %d %d\n",c,a,b);}
	else if((c<b&&b<a)){printf("%d %d %d\n",c,b,a);}
	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,b,c;
	scanf("%d %d %d",&a,&b,&c);
	if(a<b<c){
		printf("%d %d %d",a b c);
	}
	if else(a<c<b){
		printf("%d %d %d",a c b);
	}
	if else(c<b<a){
		printf("%d %d %d",c,b,a);
	}
	if else(b<a<c){
		printf("%d %d %d",b,a,c);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:36: error: expected ')' before 'b'
    6 |                 printf("%d %d %d",a b c);
      |                       ~            ^~
      |                                    )
main.c:8:12: error: expected '(' before 'else'
    8 |         if else(a<c<b){
      |            ^~~~
      |            (
main.c:17:1: error: expected declaration or statement at end of input
   17 | }
      | ^
Language: C

#include<stdio.h>
int main(){
	int a,b,c;
	scanf("%d %d %d",&a,&b,&c);
	if(a<b<c){
		printf("%d %d %d",a,b,c);
	}
	if else(a<c<b){
		printf("%d %d %d",a,c,b);
	}
	if else(c<b<a){
		printf("%d %d %d",c,b,a);
	}
	if else(b<a<c){
		printf("%d %d %d",b,a,c);
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:12: error: expected '(' before 'else'
    8 |         if else(a<c<b){
      |            ^~~~
      |            (
Language: C

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

    int a,b,c;

    scanf ("%d %d %d",&a,&b,&c);

    if(a =< b && b =< c) printf("%d %d %d\n",a,b,c);
    else if(a =< c && c =< b) printf("%d %d %d\n",a,c,b);
    else if(c =< a && a =< b) printf("%d %d %d\n",c,a,b);
    else if(c =< b && b =< a) printf("%d %d %d\n",c,b,a);
    else if(b =< c && c =< a) printf("%d %d %d\n",b,c,a);
    else printf("%d %d %d\n",b,a,c);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:11: error: expected expression before '<' token
    8 |     if(a =< b && b =< c) printf("%d %d %d\n",a,b,c);
      |           ^
main.c:9:16: error: expected expression before '<' token
    9 |     else if(a =< c && c =< b) printf("%d %d %d\n",a,c,b);
      |                ^
main.c:10:16: error: expected expression before '<' token
   10 |     else if(c =< a && a =< b) printf("%d %d %d\n",c,a,b);
      |                ^
main.c:11:16: error: expected expression before '<' token
   11 |     else if(c =< b && b =< a) printf("%d %d %d\n",c,b,a);
      |                ^
main.c:12:16: error: expected expression before '<' token
   12 |     else if(b =< c && c =< a) printf("%d %d %d\n",b,c,a);
      |                ^
Language: C

#include <stdio.h>

/*
3 ????????°?????´???

3????????´??°?????????????????????????????????????°??????????????????????????????????????????°?????????????????????????????????

Input
3????????´??°???????????§????????????????????????????????????

Output
?°????????????????????????????3????????´??°???1????????????????????????????????´??°?????????1?????????????????\??????????????????

*/

#define	NUM_MAX	3

int main( void )
{
    int a[ 3 ], i, j, w;

    scanf( "%d %d %d", &a[ 0 ], &a[ 1 ], &a[ 2 ] );

	for ( i = 0 ; i < NUM_MAX - 2 ; i++ ) {
		for ( j = i + 1 ; j < NUM_MAX - 1 ; j++ ) {
			if ( a[ i ] > a[ j ] ) {
				wk		= a[ i ];
				a[ i ]	= a[ j ];
				a[ j ]	= wk;
			}
		}
	}
	printf( "%d %d %d\n", a[ 0 ], a[ 1 ], a[ 2 ] );

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:27:33: error: 'wk' undeclared (first use in this function); did you mean 'w'?
   27 |                                 wk              = a[ i ];
      |                                 ^~
      |                                 w
main.c:27:33: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int change(int *m, int *n){
  int l;

  l = &m;
  m = n;
  n = l;
}

int main(){

  scanf("%d %d %d\n", a, b, c);
  if(a > b)
    change(&a, &b);
  if(b > c)
    change(&b, &c);

  printf("%d %d %d\n", a, b, c);

  return 0;
}

Compiler output:
main.c: In function 'change':
main.c:6:5: error: assignment to 'int' from 'int **' makes integer from pointer without a cast [-Wint-conversion]
    6 |   l = &m;
      |     ^
main.c:8:5: error: assignment to 'int *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    8 |   n = l;
      |     ^
main.c: In function 'main':
main.c:13:23: error: 'a' undeclared (first use in this function)
   13 |   scanf("%d %d %d\n", a, b, c);
      |                       ^
main.c:13:23: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:26: error: 'b' undeclared (first use in this function)
   13 |   scanf("%d %d %d\n", a, b, c);
      |                          ^
main.c:13:29: error: 'c' undeclared (first use in this function)
   13 |   scanf("%d %d %d\n", a, b, c);
      |                             ^
Language: C

#include <stdio.h>

int change(int *m, int *n){
  int l;

  l = *m;
  *m = *n;
  *n = l;
}

int main(){

  scanf("%d %d %d\n", a, b, c);
  if(a > b)
    change(&a, &b);
  if(b > c)
    change(&b, &c);

  printf("%d %d %d\n", a, b, c);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:23: error: 'a' undeclared (first use in this function)
   13 |   scanf("%d %d %d\n", a, b, c);
      |                       ^
main.c:13:23: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:26: error: 'b' undeclared (first use in this function)
   13 |   scanf("%d %d %d\n", a, b, c);
      |                          ^
main.c:13:29: error: 'c' undeclared (first use in this function)
   13 |   scanf("%d %d %d\n", a, b, c);
      |                             ^
Language: C

#include <stdio.h>
      
int main(void){
    int a,b,c;
    scanf("%d %d %d",&a,&b,&c);
    if(a<b&&b<c){
            printf("%d %d %d\n",a,b,c);
       }
    else if(a<c && c<b){
            printf("%d %d %d/n",a,c,b);
       }
    else if(b<a && a<c){
            printf("%d %d %d/n",b,a,c);
       }
    else if(b<c && c<a){
            printf("%d %d %d/n",b,c,a);
       }
    else if(c<a && a<b){
            printf("%d %d %d/n",c,a,b);
       }
    else if(c<b && b<a){
            printf("%d %d %d/n",c,b,a);
       }
    }
    return 0;
}

Compiler output:
main.c:25:5: error: expected identifier or '(' before 'return'
   25 |     return 0;
      |     ^~~~~~
main.c:26:1: error: expected identifier or '(' before '}' token
   26 | }
      | ^
Language: C

#include <stdio.h>
         
int main(void){
    int a,b,c;
    scanf("%d %d %d",&a,&b,&c);
    if(a=<b&&b=<c){
            printf("%d %d %d\n",a,b,c);
       }
    else if(a=<c && c=<b){
            printf("%d %d %d\n",a,c,b);
       }
    else if(b=<a && a=<c){
            printf("%d %d %d\n",b,a,c);
       }
    else if(b=<c && c=<a){
            printf("%d %d %d\n",b,c,a);
       }
    else if(c=<a && a=<b){
            printf("%d %d %d\n",c,a,b);
       }
    else if(c=<b && b=<a){
            printf("%d %d %d\n",c,b,a);
       }
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:10: error: expected expression before '<' token
    6 |     if(a=<b&&b=<c){
      |          ^
main.c:9:15: error: expected expression before '<' token
    9 |     else if(a=<c && c=<b){
      |               ^
main.c:12:15: error: expected expression before '<' token
   12 |     else if(b=<a && a=<c){
      |               ^
main.c:15:15: error: expected expression before '<' token
   15 |     else if(b=<c && c=<a){
      |               ^
main.c:18:15: error: expected expression before '<' token
   18 |     else if(c=<a && a=<b){
      |               ^
main.c:21:15: error: expected expression before '<' token
   21 |     else if(c=<b && b=<a){
      |               ^
Language: C

#include <stdio.h>

int main(void)
{
    int array[3];
    int temp;

    scanf("%d %d %d", &array[0], &array[1], &array[2]);

    for(i = 0; i < 2; i++)
    {
        if(array[i] > array[i + 1]
        {
            temp = array[i];
            array[i] = array[i + 1];
            array[i + 1] = temp;
        }
    }
    
    printf("%d %d %d\n", array[0], array[1], array[2]);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:9: error: 'i' undeclared (first use in this function)
   10 |     for(i = 0; i < 2; i++)
      |         ^
main.c:10:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:12:35: error: expected ')' before '{' token
   12 |         if(array[i] > array[i + 1]
      |           ~                       ^
      |                                   )
   13 |         {
      |         ~                          
main.c:18:5: error: expected expression before '}' token
   18 |     }
      |     ^
Language: C

#include <stdio.h>

int main(void)
{
    int array[3];
    int temp;

    scanf("%d %d %d", &array[0], &array[1], &array[2]);

    for(i = 0; i < 2; i++)
    {
        if(array[i] > array[i + 1])
        {
            temp = array[i];
            array[i] = array[i + 1];
            array[i + 1] = temp;
        }
    }
    
    printf("%d %d %d\n", array[0], array[1], array[2]);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:9: error: 'i' undeclared (first use in this function)
   10 |     for(i = 0; i < 2; i++)
      |         ^
main.c:10:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void)
{
    int array[3];
    int i;
    int temp;

    scanf("%d %d %d", &array[0], &array[1], &array[2]);

    for(i = 0; i < 2; i++)
    {
        if(array[i] > array[i + 1]
        {
            temp = array[i];
            array[i] = array[i + 1];
            array[i + 1] = temp;
        }
    }
    
    printf("%d %d %d\n", array[0], array[1], array[2]);

    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:35: error: expected ')' before '{' token
   13 |         if(array[i] > array[i + 1]
      |           ~                       ^
      |                                   )
   14 |         {
      |         ~                          
main.c:19:5: error: expected expression before '}' token
   19 |     }
      |     ^
Language: C

if(y<z) 
    {
      i=x;
      j=y;
      k=z;
    } 
    else 
    {
      if(x<z)
      {
        i=x;
        j=z;
        k=y;
      }
      else 
      {
        i=z;
        j=x;
        k=y;
      }
    }

Compiler output:
main.c:1:1: error: expected identifier or '(' before 'if'
    1 | if(y<z)
      | ^~
main.c:7:5: error: expected identifier or '(' before 'else'
    7 |     else
      |     ^~~~
Language: C

#include <stdio.h>
int main(void){
int a,b,c;
scanf("%d",&a);
scanf("%d",&b);
scanf("%d",&c);
if(a>b && b>c){
printf("%d %d %d",a,b,c);
}
if(b>a && a>c){
printf("%d %d %d",b,a,c);
}
if(c>a && a>b){
printf("%d %d %d",c,a,b);
}
if(b>c && c>a){
printf("%d %d %d",b,c,a);
}
return 0;

Compiler output:
main.c: In function 'main':
main.c:19:1: error: expected declaration or statement at end of input
   19 | return 0;
      | ^~~~~~
Language: C

#include <stdio.h>
int main (void){
int a[3],i,j,temp;
scanf ("%d %d %d",&a[0],&b[1],&c[2]);

for (i=0;i<3;i++){
	for (j=0;j><;j++){
	if (a[i]<a[j]){
	temp=a[i];
	a[i]=a[j];
	a[j]=temp;
		}
	}
}

for (i=0;i<3;i++){
	printf ("%d",a[i]);
}

return 0;
} 

Compiler output:
main.c: In function 'main':
main.c:4:26: error: 'b' undeclared (first use in this function)
    4 | scanf ("%d %d %d",&a[0],&b[1],&c[2]);
      |                          ^
main.c:4:26: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:32: error: 'c' undeclared (first use in this function)
    4 | scanf ("%d %d %d",&a[0],&b[1],&c[2]);
      |                                ^
main.c:7:20: error: expected expression before '<' token
    7 |         for (j=0;j><;j++){
      |                    ^
Language: C

#include <stdio.h>
int main (void){
int a[3],i,j,temp;
scanf ("%d %d %d",&a[0],&b[1],&c[2]);

for (i=0;i<3;i++){
	for (j=0;j>3;j++){
	if (a[i]<a[j]){
	temp=a[i];
	a[i]=a[j];
	a[j]=temp;
		}
	}
}

for (i=0;i<3;i++){
	printf ("%d ",a[i]);
}

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:26: error: 'b' undeclared (first use in this function)
    4 | scanf ("%d %d %d",&a[0],&b[1],&c[2]);
      |                          ^
main.c:4:26: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:32: error: 'c' undeclared (first use in this function)
    4 | scanf ("%d %d %d",&a[0],&b[1],&c[2]);
      |                                ^
Language: C

#include <stdio.h>
int main (void){
int a[3],i,j,temp;
scanf ("%d %d %d",&a[0],&b[1],&c[2]);

for (i=0;i<3;i++){
	for (j=0;j<3;j++){
	if (a[i]<a[j]){
	temp=a[i];
	a[i]=a[j];
	a[j]=temp;
		}
	}
}

for (i=0;i<3;i++){
	printf ("%d ",a[i]);
}

return 0;
} 

Compiler output:
main.c: In function 'main':
main.c:4:26: error: 'b' undeclared (first use in this function)
    4 | scanf ("%d %d %d",&a[0],&b[1],&c[2]);
      |                          ^
main.c:4:26: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:32: error: 'c' undeclared (first use in this function)
    4 | scanf ("%d %d %d",&a[0],&b[1],&c[2]);
      |                                ^
Language: C

#include <stdio.h>

int main(void){
    int a,b,c;
    scanf("%d %d %d",&a,&b,&c);
    if(a < b){
    if(b < c){printf("%d %d %d",a,b,c\n);
    }else if(a < c){printf("%d %d %d\n",a,c,b);          
    }else{printf("%d %d %d\n",c,a,b);
    }
    }    
    else if(b < c){
    if(a < c){printf("%d %d %d\n",b,a,c);
    }else {printf("%d %d %d\n",b,c,a);
    }}
    else{printf("%d %d %d\n",c,b,a);        
        } 
    return 0;
}    

Compiler output:
main.c: In function 'main':
main.c:7:38: error: stray '\' in program
    7 |     if(b < c){printf("%d %d %d",a,b,c\n);
      |                                      ^
main.c:7:38: error: expected ')' before 'n'
    7 |     if(b < c){printf("%d %d %d",a,b,c\n);
      |                     ~                ^~
      |                                      )
Language: C

include<stdio.h>
 
int main(void)
{
   int a, b, c, key;
   scanf("%d %d %d", &a, &b, &c);
   if(a > b){
        a = key;
        a = b;
        b = key;
   }
   if(b > c){
        b = key;
        b = c;
        c = key;
        if(a > b){
            a = key;
            a = b;
            b = key;
        }
   }
   printf("%d %d %d\n", a, b, c);
   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(void)
{
   int a, b, c, key;
   scanf("%d %d %d", &a, &b, &c);
   if(a >= b){
        a = key;
        a = b;
        b = key;
   }
   if(b >= c){
        b = key;
        b = c;
        c = key;
        if(a >= b){
            a = key;
            a = b;
            b = key;
        }
   }
   printf("%d %d %d\n", a, b, c);
   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(void)
{
   int a, b, c, key;
   scanf("%d %d %d", &a, &b, &c);
   if(a > b){
        key = a;
        a = b;
        b = key;
   }
   if(b > c){
        key = b;
        b = c;
        c = key;
        if(a > b){
            key = a;
            a = b;
            b = key;
        }
   }
   printf("%d %d %d\n", a, b, c);
   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,b,c;
int box;
scanf("%d %d %d",&a,&b,&c);
while(a > b || b > c){
if(a > b){
box = a;
a = b;
b = box;
}
if(b > c){
bix = b;
b = c;
c = box;
}
}
printf("%d %d %d\n",a,b,c);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:1: error: 'bix' undeclared (first use in this function); did you mean 'box'?
   13 | bix = b;
      | ^~~
      | box
main.c:13:1: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
if(a=<b){
   if(c=<a){
      printf("%d %d %d",c,a,b);
   }else if(b=<c){
      printf("%d %d %d",a,b,c);
   }else{
      printf("%d %d %d",a,c,b);
}}else{
   if(c=<b){
      printf("%d %d %d",c,b,a);
   }else if(a=<c){
      printf("%d %d %d",b,a,c);
   }else{
      printf("%d %d %d",b,c,a);
}}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:6: error: expected expression before '<' token
    7 | if(a=<b){
      |      ^
main.c:8:9: error: expected expression before '<' token
    8 |    if(c=<a){
      |         ^
main.c:10:15: error: expected expression before '<' token
   10 |    }else if(b=<c){
      |               ^
main.c:15:9: error: expected expression before '<' token
   15 |    if(c=<b){
      |         ^
main.c:17:15: error: expected expression before '<' token
   17 |    }else if(a=<c){
      |               ^
Language: C

#include <stdio.h>

int main()
{
int a,b,c;
scanf("%d %d %d",&a,&b,&c);
if(a=<b){
   if(c=<a){
      printf("%d %d %d\n",c,a,b);
   }else if(b=<c){
      printf("%d %d %d\n",a,b,c);
   }else{
      printf("%d %d %d\n",a,c,b);
}}else{
   if(c=<b){
      printf("%d %d %d\n",c,b,a);
   }else if(a=<c){
      printf("%d %d %d\n",b,a,c);
   }else{
      printf("%d %d %d\n",b,c,a);
}}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:6: error: expected expression before '<' token
    7 | if(a=<b){
      |      ^
main.c:8:9: error: expected expression before '<' token
    8 |    if(c=<a){
      |         ^
main.c:10:15: error: expected expression before '<' token
   10 |    }else if(b=<c){
      |               ^
main.c:15:9: error: expected expression before '<' token
   15 |    if(c=<b){
      |         ^
main.c:17:15: error: expected expression before '<' token
   17 |    }else if(a=<c){
      |               ^
Language: C

#include<stdio.h>
int main ()
{
int a, b, c;
scanf("%d%d%d",&a,&b,&c);
if (a>b && a>c)
{if (b>c){printf\n("%d %d %d",c,b,a);}
else{printf\n("%d %d %d",b,c,a);}}
if (b>c && b>a)
{if (a>c){printf\n("%d %d %d",c,a,b);}
else{printf\n("%d %d %d",a,c,b);}}
if (c>a && c>b)
{if (a>b){printf\n("%d %d %d",b,a,c);}
else{printf\n("%d %d %d",a,b,c);}}
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: stray '\' in program
    7 | {if (b>c){printf\n("%d %d %d",c,b,a);}
      |                 ^
main.c:7:17: error: expected ';' before 'n'
    7 | {if (b>c){printf\n("%d %d %d",c,b,a);}
      |                 ^~
      |                 ;
main.c:8:12: error: stray '\' in program
    8 | else{printf\n("%d %d %d",b,c,a);}}
      |            ^
main.c:8:12: error: expected ';' before 'n'
    8 | else{printf\n("%d %d %d",b,c,a);}}
      |            ^~
      |            ;
main.c:10:17: error: stray '\' in program
   10 | {if (a>c){printf\n("%d %d %d",c,a,b);}
      |                 ^
main.c:10:17: error: expected ';' before 'n'
   10 | {if (a>c){printf\n("%d %d %d",c,a,b);}
      |                 ^~
      |                 ;
main.c:11:12: error: stray '\' in program
   11 | else{printf\n("%d %d %d",a,c,b);}}
      |            ^
main.c:11:12: error: expected ';' before 'n'
   11 | else{printf\n("%d %d %d",a,c,b);}}
      |            ^~
      |            ;
main.c:13:17: error: stray '\' in program
   13 | {if (a>b){printf\n("%d %d %d",b,a,c);}
      |                 ^
main.c:13:17: error: expected ';' before 'n'
   13 | {if (a>b){printf\n("%d %d %d",b,a,c);}
      |                 ^~
      |                 ;
main.c:14:12: error: stray '\' in program
   14 | else{printf\n("%d %d %d",a,b,c);}}
      |            ^
main.c:14:12: error: expected ';' before 'n'
   14 | else{printf\n("%d %d %d",a,b,c);}}
      |            ^~
      |            ;
Language: C

#include <stdio.h>
void main(){
  int num1, num2, num3;
  scanf("%d%d%d", &num1, &num2, &num3);
  if(num1 > num2){
    if(num1 > num3){
      printf("%d\n",num1);
    }else{
      printf("%d\n", num3);
    }
     
  else{ 
    printf("%d\n", num2);
    }
}

Compiler output:
main.c: In function 'main':
main.c:12:3: error: expected '}' before 'else'
   12 |   else{
      |   ^~~~