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

#include<stdio.h>

int main()
{
int i;
int max = 10000000000;
int min = 10000000000;

int n;
scanf("%d", &n);

int Rt[n];
for(i=0; i<n; i++){
scanf("%d", &Rt[i]);
}

for(i=1; i<=(n-1); ++i){
max = ((Rt[i]-min)>max) ? (Rt[i]-min) : max;
min = (Rt[i]<min) ? Rt[i] : min;
}
}

printf("%d\n", max);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:11: warning: overflow in conversion from 'long int' to 'int' changes value from '10000000000' to '1410065408' [-Woverflow]
    6 | int max = 10000000000;
      |           ^~~~~~~~~~~
main.c:7:11: warning: overflow in conversion from 'long int' to 'int' changes value from '10000000000' to '1410065408' [-Woverflow]
    7 | int min = 10000000000;
      |           ^~~~~~~~~~~
main.c: At top level:
main.c:23:8: error: expected declaration specifiers or '...' before string constant
   23 | printf("%d\n", max);
      |        ^~~~~~
main.c:23:16: error: unknown type name 'max'
   23 | printf("%d\n", max);
      |                ^~~
main.c:25:1: 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 i;
int max = 10000000000;
int min = 10000000000;

int n;
scanf("%d", &n);

int Rt[n];
for(i=0; i<n; i++){
scanf("%d", &Rt[i]);
}

int min = Rt[0];
int max = Rt[1]-Rt[0];

for(i=1; i<n; ++i){
max = ((Rt[i]-min)>max) ? (Rt[i]-min) : max;
min = (Rt[i]<min) ? Rt[i] : min;
}

printf("%d\n", max);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:11: warning: overflow in conversion from 'long int' to 'int' changes value from '10000000000' to '1410065408' [-Woverflow]
    6 | int max = 10000000000;
      |           ^~~~~~~~~~~
main.c:7:11: warning: overflow in conversion from 'long int' to 'int' changes value from '10000000000' to '1410065408' [-Woverflow]
    7 | int min = 10000000000;
      |           ^~~~~~~~~~~
main.c:17:5: error: redefinition of 'min'
   17 | int min = Rt[0];
      |     ^~~
main.c:7:5: note: previous definition of 'min' with type 'int'
    7 | int min = 10000000000;
      |     ^~~
main.c:18:5: error: redefinition of 'max'
   18 | int max = Rt[1]-Rt[0];
      |     ^~~
main.c:6:5: note: previous definition of 'max' with type 'int'
    6 | int max = 10000000000;
      |     ^~~
Language: C

#include<stdio.h>

int main()
{
   int i;
   int n;
   scanf("%d", &n);
   int R[n];

   for(i=0; i<n; ++i){
      scanf("%d", &R[i]);
   }

   int min = R[0];
   int max = R[1]-R[0];

   for(i=0; i<n; ++i){
      max = (max<(R[i]-min)) ? max : (R[i]-min);
      min = (min>=R[i]) ? min : R[i];
      }
   }

   printf("%d\n", max);

   return 0;
}

Compiler output:
main.c:23:11: error: expected declaration specifiers or '...' before string constant
   23 |    printf("%d\n", max);
      |           ^~~~~~
main.c:23:19: error: unknown type name 'max'
   23 |    printf("%d\n", max);
      |                   ^~~
main.c:25:4: error: expected identifier or '(' before 'return'
   25 |    return 0;
      |    ^~~~~~
main.c:26:1: error: expected identifier or '(' before '}' token
   26 | }
      | ^
Language: C

int main(){
  
   int R[200000],n,i,max,min;

   scanf("%d,"&n);

  for ( i =0; i < n; i++)   scanf("%d,"&R[i]);
  
  max = -100000000000;
  min = R[0]

  for(i=1;i<n;i++){
 
   if(max<R[i]-min) max=<R[i]-min;

   if(minR[i]) min=<R[i];
   }

  printf("%d",max);

Compiler output:
main.c: In function 'main':
main.c:5:4: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    5 |    scanf("%d,"&n);
      |    ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:5:4: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    5 |    scanf("%d,"&n);
      |    ^~~~~
main.c:5:4: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:15: error: invalid operands to binary & (have 'char *' and 'int')
    5 |    scanf("%d,"&n);
      |          ~~~~~^
      |          |
      |          char *
main.c:7:40: error: invalid operands to binary & (have 'char *' and 'int')
    7 |   for ( i =0; i < n; i++)   scanf("%d,"&R[i]);
      |                                   ~~~~~^~~~~
      |                                   |      |
      |                                   char * int
main.c:9:9: warning: overflow in conversion from 'long int' to 'int' changes value from '-100000000000' to '-1215752192' [-Woverflow]
    9 |   max = -100000000000;
      |         ^
main.c:10:13: error: expected ';' before 'for'
   10 |   min = R[0]
      |             ^
      |             ;
   11 | 
   12 |   for(i=1;i<n;i++){
      |   ~~~        
main.c:19:3: error: expected declaration or statement at end of input
   19 |   printf("%d",max);
      |   ^~~~~~
Language: C

#include<stdio.h>

int main(){
  
   int R[200000],n,i,max,min;

   scanf("%d,"&n);

  for ( i =0; i < n; i++)   scanf("%d,"&R[i]);
  
  max = -100000000000;
  min = R[0]

  for(i=1;i<n;i++){
 
   if(max<R[i]-min) max=<R[i]-min;

   if(minR[i]) min=<R[i];
   }

  printf("%d",max);

  return 0;

   }

Compiler output:
main.c: In function 'main':
main.c:7:15: error: invalid operands to binary & (have 'char *' and 'int')
    7 |    scanf("%d,"&n);
      |          ~~~~~^
      |          |
      |          char *
main.c:9:40: error: invalid operands to binary & (have 'char *' and 'int')
    9 |   for ( i =0; i < n; i++)   scanf("%d,"&R[i]);
      |                                   ~~~~~^~~~~
      |                                   |      |
      |                                   char * int
main.c:11:9: warning: overflow in conversion from 'long int' to 'int' changes value from '-100000000000' to '-1215752192' [-Woverflow]
   11 |   max = -100000000000;
      |         ^
main.c:12:13: error: expected ';' before 'for'
   12 |   min = R[0]
      |             ^
      |             ;
   13 | 
   14 |   for(i=1;i<n;i++){
      |   ~~~
Language: C

#include <stdio.h>

int main(){
  
   int R[200000],n,i,max,min;

   scanf("%d,"&n);

  for ( i =0; i < n; i++)   scanf("%d,"&R[i]);
  
  max = -100000000000;
  min = R[0]

  for(i=1;i<n;i++){
 
   if(max<R[i]-min) max=<R[i]-min;

   if(minR[i]) min=<R[i];
   }

  printf("%d",max);

  return 0;

   }

Compiler output:
main.c: In function 'main':
main.c:7:15: error: invalid operands to binary & (have 'char *' and 'int')
    7 |    scanf("%d,"&n);
      |          ~~~~~^
      |          |
      |          char *
main.c:9:40: error: invalid operands to binary & (have 'char *' and 'int')
    9 |   for ( i =0; i < n; i++)   scanf("%d,"&R[i]);
      |                                   ~~~~~^~~~~
      |                                   |      |
      |                                   char * int
main.c:11:9: warning: overflow in conversion from 'long int' to 'int' changes value from '-100000000000' to '-1215752192' [-Woverflow]
   11 |   max = -100000000000;
      |         ^
main.c:12:13: error: expected ';' before 'for'
   12 |   min = R[0]
      |             ^
      |             ;
   13 | 
   14 |   for(i=1;i<n;i++){
      |   ~~~
Language: C

#include <stdio.h>

int main(void)
{
 int n,t,R[],max,min;

 scanf("%d",&n");

 for(t=0;t<n;t++){
  scanf("%d",&R[t]);
 }

 min=R[0];
 max=0;
 for(t=1;t<n;t++){
  if( max^2 < (R[t]-min)^2 ){
    max = R[t]-min;
  }
  if( min > R[t] ){
    min = R[t];
  }
 }

 printf("%d",max);

 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:5:10: error: array size missing in 'R'
    5 |  int n,t,R[],max,min;
      |          ^
main.c:7:15: warning: missing terminating " character
    7 |  scanf("%d",&n");
      |               ^
main.c:7:15: error: missing terminating " character
    7 |  scanf("%d",&n");
      |               ^~~
main.c:7:15: error: expected ')' before 'for'
    7 |  scanf("%d",&n");
      |       ~       ^
      |               )
    8 | 
    9 |  for(t=0;t<n;t++){
      |  ~~~           
main.c:26:11: error: expected ';' before '}' token
   26 |  return 0;
      |           ^
      |           ;
   27 | 
   28 | }
      | ~
Language: C

#include <stdio.h>

int main(void)
{
 int n,t,R[],max,min;

 scanf("%d",&n);

 for(t=0;t<n;t++){
  scanf("%d",&R[t]);
 }

 min=R[0];
 max=0;
 for(t=1;t<n;t++){
  if( max^2 < (R[t]-min)^2 ){
    max = R[t]-min;
  }
  if( min > R[t] ){
    min = R[t];
  }
 }

 printf("%d",max);

 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:5:10: error: array size missing in 'R'
    5 |  int n,t,R[],max,min;
      |          ^
Language: C

#include <stdio.h>

int main(void)
{
 int n,t,max,min;
 char R[];

 scanf("%d",&n);

 for(t=0;t<n;t++){
  scanf("%d",&R[t]);
 }

 min=R[0];
 max=0;
 for(t=1;t<n;t++){
  if( max^2 < (R[t]-min)^2 ){
    max = R[t]-min;
  }
  if( min > R[t] ){
    min = R[t];
  }
 }

 printf("%d",max);

 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:6:7: error: array size missing in 'R'
    6 |  char R[];
      |       ^
Language: C

#include <stdio.h>

int main(void)
{
 int n,t,R[],max,min;

 scanf("%d",&n);javascript:void(0)

 for(t=0;t<n;t++){
  scanf("%d",&R[t]);
 }

 min=R[0];
 max=0;
 for(t=1;t<n;t++){
  if( max^2 < (R[t]-min)^2 ){
    max = R[t]-min;
  }
  if( min > R[t] ){
    min = R[t];
  }
 }

 printf("%d",max);

 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:5:10: error: array size missing in 'R'
    5 |  int n,t,R[],max,min;
      |          ^
main.c:7:33: error: expected identifier or '(' before numeric constant
    7 |  scanf("%d",&n);javascript:void(0)
      |                                 ^
main.c:9:17: error: expected ';' before ')' token
    9 |  for(t=0;t<n;t++){
      |                 ^
      |                 ;
main.c:9:17: error: expected statement before ')' token
Language: C

#include <stdio.h>

int main(void)
{
 int n,t,R[200000],max,min;

 scanf("%d",&n);

 for(t=0;t<n;t++){
  scanf("%d",&R[t]);
 }

 min=R[0];
 max=R[1]-R[0};
 for(t=1;t<n;t++){
  if( max < R[t]-min ){
    max = R[t]-min;
  }
  if( min > R[t] ){
    min = R[t];
  }
 }

 printf("%d",max);

 return 0;

}

Compiler output:
main.c: In function 'main':
main.c:14:14: error: expected ']' before '}' token
   14 |  max=R[1]-R[0};
      |              ^
      |              ]
main.c:14:14: error: expected ';' before '}' token
   14 |  max=R[1]-R[0};
      |              ^
      |              ;
main.c: At top level:
main.c:15:2: error: expected identifier or '(' before 'for'
   15 |  for(t=1;t<n;t++){
      |  ^~~
main.c:15:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
   15 |  for(t=1;t<n;t++){
      |           ^
main.c:15:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before '++' token
   15 |  for(t=1;t<n;t++){
      |               ^~
main.c:24:9: error: expected declaration specifiers or '...' before string constant
   24 |  printf("%d",max);
      |         ^~~~
main.c:24:14: error: unknown type name 'max'
   24 |  printf("%d",max);
      |              ^~~
main.c:26:2: error: expected identifier or '(' before 'return'
   26 |  return 0;
      |  ^~~~~~
main.c:28:1: error: expected identifier or '(' before '}' token
   28 | }
      | ^
Language: C

#inckude<stdio.h>

int main () {

   int n, i, j, max;
   int a[200000] = {0};

   scanf("%d", &n);

   for (i = 0; i < n; i++) {
      scanf("%d", &a[i]);
   }

   for (i = 0; i < n - 1; i++) {
      for (j = i + 1; j < n; j++) {
         if (a[j] - a[i] > max) {
            max = a[j] - a[i];
         }
      }
   }

   printf("%d\n", max);

   return 0;
}
 

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude<stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:8:4: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    8 |    scanf("%d", &n);
      |    ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #inckude<stdio.h>
main.c:8:4: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    8 |    scanf("%d", &n);
      |    ^~~~~
main.c:8:4: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:22:4: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   22 |    printf("%d\n", max);
      |    ^~~~~~
main.c:22:4: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:22:4: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:22:4: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#inckude<stdio.h>

int main () {

   int n, i, j, max;
   int a[200000] = {0};

   max = 0;

   scanf("%d", &n);

   for (i = 0; i < n; i++) {
      scanf("%d", &a[i]);
   }

   for (i = 0; i < n - 1; i++) {
      for (j = i + 1; j < n; j++) {
         if (a[j] - a[i] > max) {
            max = a[j] - a[i];
         }
      }
   }

   printf("%d\n", max);

   return 0;
}
 

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude<stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:10:4: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
   10 |    scanf("%d", &n);
      |    ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | #inckude<stdio.h>
main.c:10:4: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
   10 |    scanf("%d", &n);
      |    ^~~~~
main.c:10:4: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:24:4: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   24 |    printf("%d\n", max);
      |    ^~~~~~
main.c:24:4: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:24:4: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:24:4: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C

#include<stdio.h>
??
int main () {
??
??????int n, i, j, max;
??????int a[200000] = {0};
??
??????scanf("%d", &n);
??
??????for (i = 0; i < n; i++) {
????????????scanf("%d", &a[i]);
??????}

   max = a[1] - a[0];

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

Compiler output:
main.c:2:1: error: expected identifier or '(' before '?' token
    2 | ??
      | ^
Language: C

#include<stdio.h>
??
int main () {
??
??????int n, i, j, max;
??????int a[200000] = {0};
??
??????scanf("%d", &n);
??
??????for (i = 0; i < n; i++) {
????????????scanf("%d", &a[i]);
??????}

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

Compiler output:
main.c:2:1: error: expected identifier or '(' before '?' token
    2 | ??
      | ^
Language: C

#include<stdio.h>
??
int main () {
??
??????int n, i, j, max;
??????int a[200000] = {0};
??
??????scanf("%d", &n);
??
??????for (i = 0; i < n; i++) {
????????????scanf("%d", &a[i]);
??????}
??
   max = a[1] - a[0];

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

Compiler output:
main.c:2:1: error: expected identifier or '(' before '?' token
    2 | ??
      | ^
Language: C

#include<stdio.h>
int main()
{
  int m[20000],n,i,j;
  int max,min;

  scanf("%d",%n);
 for(i=0;i<n;i++)
  scanf("%d",&m[i]);
for(i=0;i<n;i++){

 max = m[1]-m[0];
min = m[0];

if(max<m[i]-min) 
max=m[i]-min;

if(min>m[i])
min=m[i];

}
printf("%d\n",max);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:14: error: expected expression before '%' token
    7 |   scanf("%d",%n);
      |              ^
Language: C

#include<stdio.h>
int main()
{
  int m[20000],n,i,j;
  int max,min;

  scanf("%d",%n);
 for(i=0;i<n;i++)
  scanf("%d",&m[i]);

for(i=0;i<n;i++){

 max = m[1]-m[0];
 min = m[0];

if(max<m[i]-m[0]) 
 max=m[i]-m[0];

if(min > m[i])
 min=m[i];

}
printf("%d\n",max);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:14: error: expected expression before '%' token
    7 |   scanf("%d",%n);
      |              ^
Language: C

#include<stdio.h>
int main()
{
  int m[20000],n,i,j;
  int max,min;

  scanf("%d",%n);
 for(i=0;i<n;i++)
  scanf("%d",&m[i]);


 max = m[1]-m[0];
 min = m[0];

for(i=0;i<n;i++){
if(max<m[i]-m[0]) 
 max=m[i]-m[0];

if(min > m[i])
 min=m[i];

}
printf("%d\n",max);

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:14: error: expected expression before '%' token
    7 |   scanf("%d",%n);
      |              ^
Language: C

#include<stdio.h>
??
int main () {
??????long int n, i, j;
   long int max = -2000000000;
??????long int a[200000] = {0};
??
??????scanf("%ld", &n);
??
??????for(i = 0; i < n; i++){
????????????scanf("%ld", &a[i]);
??????}
??
??????for(i = 0; i < n - 1; i++){
????????????for(j = i + 1; j < n; j++){
??????????????????if(a[j] - a[i] > max){
????????????????????????max = a[j] - a[i];
??????????????????}
????????????}
??????}
??
??????printf("%ld\n", max);
??
??????return 0;
}

Compiler output:
main.c:2:1: error: expected identifier or '(' before '?' token
    2 | ??
      | ^
Language: C

#include<stdio.h>

int main () {
   long int n, i, j, x;
   long int max = -2000000000;
   long int a[200000] = {0};

   scanf("%ld", &n);

   for (i = 0; i < n; i++){
      scanf("%ld", &a[i]);
   }


   for (i = 0; i < n - 1; i++) {
      for (j = i + 1; j < n; j++) {
         x = a[j] - a[i]
         if (x > max){
            max = x;
         }
      }
   }

   printf("%ld\n", max);

   return 0;
}

Compiler output:
main.c: In function 'main':
main.c:17:25: error: expected ';' before 'if'
   17 |          x = a[j] - a[i]
      |                         ^
      |                         ;
   18 |          if (x > max){
      |          ~~
Language: C

#include<stdio.h>

int main () {
   long int n, i, j, x;
   long int max = -2000000000;
   long int a[200000] = {0};

   scanf("%ld", &n);

   for (i = 0; i < n; i++){
      scanf("%ld", &a[i]);
   }


   for (i = 0; i < n - 1; i++) {
      if (a[i] >= max){
      for (j = i + 1; j < n; j++) {
         x = a[j] - a[i]
         if (x > max){
            max = x;
         }
      }
      }
   }

   printf("%ld\n", max);

   return 0;
}

Compiler output:
main.c: In function 'main':
main.c:18:25: error: expected ';' before 'if'
   18 |          x = a[j] - a[i]
      |                         ^
      |                         ;
   19 |          if (x > max){
      |          ~~
Language: C

#include <stdio.h>

int main(void)
{
   int n, i, j,ans;
   int R[MAX];
   int min = R[0];
   int max = -2000000000;

   scanf("%d", &n);
   scanf("%d", &Rt[n]);

   for ( j = 1; j < n; j++ ) {
      for ( i = 0; i < j; i++ )
         if ( max < R[j]-R[i] ) {
            max = R[MAX];
         }

         if (R[j]-R[i] < min ) {
            min = R[MAX];
         }
   }          

   ans = max - min;
   printf("%d\n", ans);

   return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:10: error: 'MAX' undeclared (first use in this function)
    6 |    int R[MAX];
      |          ^~~
main.c:6:10: note: each undeclared identifier is reported only once for each function it appears in
main.c:11:17: error: 'Rt' undeclared (first use in this function); did you mean 'R'?
   11 |    scanf("%d", &Rt[n]);
      |                 ^~
      |                 R
Language: C

#include <stdio.h>

int main(void)
{
   int n, i, j,ans;
   int R[MAX];
   int min = R[0];
   int max = -2000000000;

   scanf("%d", &n);
   scanf("%d", &Rt[MAX]);

   for ( j = 1; j < n; j++ ) {
      for ( i = 0; i < j; i++ )
         if ( max < R[j]-R[i] ) {
            max = R[MAX];
         }

         if (R[j]-R[i] < min ) {
            min = R[MAX];
         }
   }          

   ans = max - min;
   printf("%d\n", ans);

   return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:10: error: 'MAX' undeclared (first use in this function)
    6 |    int R[MAX];
      |          ^~~
main.c:6:10: note: each undeclared identifier is reported only once for each function it appears in
main.c:11:17: error: 'Rt' undeclared (first use in this function); did you mean 'R'?
   11 |    scanf("%d", &Rt[MAX]);
      |                 ^~
      |                 R
Language: C

#include <stdio.h>

int main(void)
{
   int n, i, j,ans;
   int R[n];
   int min = R[0];
   int max = -2000000000;

   scanf("%d", &n);
   scanf("%d", &Rt[n]);

   for ( j = 1; j < n; j++ ) {
      for ( i = 0; i < j; i++ )
         if ( max < R[j]-R[i] ) {
            max = R[n];
         }

         if (R[j]-R[i] < min ) {
            min = R[n];
         }
   }          

   ans = max - min;
   printf("%d\n", ans);

   return 0;
}

Compiler output:
main.c: In function 'main':
main.c:11:17: error: 'Rt' undeclared (first use in this function); did you mean 'R'?
   11 |    scanf("%d", &Rt[n]);
      |                 ^~
      |                 R
main.c:11:17: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(void)
{
   int n, i, j,ans;
   int R[MAX];
   int min = R[0];
   int max = -2000000000;

   scanf("%d", &n);
   scanf("%d", &R[MAX]);

   for ( j = 1; j < n; j++ ) {
      for ( i = 0; i < j; i++ )
         if ( max < R[j]-R[i] ) {
            max = R[MAX];
         }

         if (R[j]-R[i] < min ) {
            min = R[n];
         }
   }          

   ans = max - min;
   printf("%d\n", ans);

   return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:10: error: 'MAX' undeclared (first use in this function)
    6 |    int R[MAX];
      |          ^~~
main.c:6:10: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>

int main(){

int n,i,max,min;

int R[200000] = 0;
 
  max = R[1]-R[0];
 
  min = R[0];

     scanf("%d",&n);

   for(i = 0; i < n; i++;)

    scanf("%d",&R[i]);


   for(i = 1; i < n; i++){

      if(max < R[i]-min){

       max = R[i]-min;

 }

 if(min > R[i]){

    min = R[i];

  }

}

  printf("&d\n",max);

    return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: invalid initializer
    7 | int R[200000] = 0;
      |                 ^
main.c:15:25: error: expected ')' before ';' token
   15 |    for(i = 0; i < n; i++;)
      |       ~                 ^
      |                         )
Language: C

#include<stdio.h>

int main(){

int n,i,max,min;

int R[200000];
 
  max = R[1]-R[0];
 
  min = R[0];

     scanf("%d",&n);

   for(i = 0; i < n; i++;)

    scanf("%d",&R[i]);


   for(i = 1; i < n; i++){

      if(max < R[i]-min){

       max = R[i]-min;

 }

 if(min > R[i]){

    min = R[i];

  }

}

  printf("&d\n",max);

    return 0;

}

Compiler output:
main.c: In function 'main':
main.c:15:25: error: expected ')' before ';' token
   15 |    for(i = 0; i < n; i++;)
      |       ~                 ^
      |                         )
Language: C

#include<stdio.h>

int main(){

int n,i,max,min;

int R[200000] = 0;
 
  max = R[1]-R[0];
 
  min = R[0];

     scanf("%d",&n);

   for(i = 0; i < n; i++;){

    scanf("%d",&R[i]);

}


   for(i = 1; i < n; i++){

      if(max < R[i]-min){

       max = R[i]-min;

 }

 if(min > R[i]){

    min = R[i];

  }

}

  printf("&d\n",max);

    return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: invalid initializer
    7 | int R[200000] = 0;
      |                 ^
main.c:15:25: error: expected ')' before ';' token
   15 |    for(i = 0; i < n; i++;){
      |       ~                 ^
      |                         )
Language: C

#include<stdio.h>

int main(){

int n,i,max,min;

int R[200000] = 0;
 

     scanf("%d",&n);

   for(i = 0; i < n; i++;){

    scanf("%d",&R[i]);

}

  max = R[1]-R[0];
 
  min = R[0];

   for(i = 1; i < n; i++){

      if(max < R[i]-min){

       max = R[i]-min;

 }

 if(min > R[i]){

    min = R[i];

  }

}

  printf("&d\n",max);

    return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: invalid initializer
    7 | int R[200000] = 0;
      |                 ^
main.c:12:25: error: expected ')' before ';' token
   12 |    for(i = 0; i < n; i++;){
      |       ~                 ^
      |                         )
Language: C

#include<stdio.h>

int main(){

int n,i,max,min;

int R[200000] = 0;
 
 max = R[1]-R[0];
 
 min = R[0];

     scanf("%d",&n);

   for(i = 0; i < n; i++;){

    scanf("%d",&R[i]);

}

 
   for(i = 1; i < n; i++){

      if(max < R[i]-min){

       max = R[i]-min;

 }

 if(min > R[i]){

    min = R[i];

  }

}

  printf("%d\n",max);

    return 0;

}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: invalid initializer
    7 | int R[200000] = 0;
      |                 ^
main.c:15:25: error: expected ')' before ';' token
   15 |    for(i = 0; i < n; i++;){
      |       ~                 ^
      |                         )
Language: C

#include <stdio.h>

int main(void)
{
   int n, i, j, t, ans;
   int R[2000000000];
   int min, max;

   scanf("%d", &n);

   for ( t = 0; t < n; t++ ) {
      scanf("%d", &R[t]);
   }

   min = R[0];
   max = R[1] - R[0];

   for ( t = 1; t < n; t++ ) {
      if ( max < R[t] - min ) {
         max = R[t] - min;
      }
      if ( min > R[t] ) {
         min = R[t];
      }
   }
   printf("%d"\n, max);

   return 0;
}
   

Compiler output:
main.c: In function 'main':
main.c:26:15: error: stray '\' in program
   26 |    printf("%d"\n, max);
      |               ^
main.c:26:15: error: expected ')' before 'n'
   26 |    printf("%d"\n, max);
      |          ~    ^~
      |               )
Language: C

#include <stdio.h>

int main(void)
{
   int n, t;
   int R[2000000000];
   int min, max;

   scanf("%d", &n);

   for ( t = 0; t < n; t++ ) {
      scanf("%d", &R[t]);
   }

   min = R[0];
   max = R[1] - R[0];

   for ( t = 1; t < n; t++ ) {
      if ( max < R[t] - min ) {
         max = R[t] - min;
      }
      if ( min > R[t] ) {
         min = R[t];
      }
   }
   printf("%d"\n, max);

   return 0;
}
   

Compiler output:
main.c: In function 'main':
main.c:26:15: error: stray '\' in program
   26 |    printf("%d"\n, max);
      |               ^
main.c:26:15: error: expected ')' before 'n'
   26 |    printf("%d"\n, max);
      |          ~    ^~
      |               )
Language: C

#include <stdio.h>

int main(void)
{
   int n, t;
   int R[200000];
   int min, max;

   scanf("%d", &n);

   for ( t = 0; t < n; t++ ) {
      scanf("%d", &R[t]);
   }

   min = R[0];
   max = R[1] - R[0];

   for ( t = 1; t < n; t++ ) {
      if ( max < R[t] - min ) {
         max = R[t] - min;
      }
      if ( min > R[t] ) {
         min = R[t];
      }
   }
   printf("%d"\n, max);

   return 0;
}
   

Compiler output:
main.c: In function 'main':
main.c:26:15: error: stray '\' in program
   26 |    printf("%d"\n, max);
      |               ^
main.c:26:15: error: expected ')' before 'n'
   26 |    printf("%d"\n, max);
      |          ~    ^~
      |               )
Language: C

#include <stdio.h>

int main(){
    int i,n,min,max;
    min = 0;
    max = 0;
    
    scanf("%d",&n);
    
    for(j = 1;j < n-1;j++){
      scanf("%d",&i);  
      
      if(max > i-min){
         max = max;
      else
         max = i-min;

      if(i > min)
         min = min;
      else 
         min = i;
    }

    printf("%d\n",max);

    return 0;
}
         
      
      
      
      

Compiler output:
main.c: In function 'main':
main.c:10:9: error: 'j' undeclared (first use in this function)
   10 |     for(j = 1;j < n-1;j++){
      |         ^
main.c:10:9: note: each undeclared identifier is reported only once for each function it appears in
main.c:15:7: error: expected '}' before 'else'
   15 |       else
      |       ^~~~
Language: C

   #include <stdio.h>

   int main (void)
   {

   int min,max,n,R[200000];
   
   int i,j;

   min = R[0];

   for(j = 1; j < n - 1;j++)
     if(max < R[j] - min){
       max = R[j] - min;
     }
     if(R[j] < min){
       min = R[j];
     }  
   }
     printf("%d\n",max);

   return 0; 

   }




  

   

Compiler output:
main.c:20:13: error: expected declaration specifiers or '...' before string constant
   20 |      printf("%d\n",max);
      |             ^~~~~~
main.c:20:20: error: unknown type name 'max'
   20 |      printf("%d\n",max);
      |                    ^~~
main.c:22:4: error: expected identifier or '(' before 'return'
   22 |    return 0;
      |    ^~~~~~
main.c:24:4: error: expected identifier or '(' before '}' token
   24 |    }
      |    ^
Language: C

   #include <stdio.h>

   int main (void)
   {

   int min,max,n,R[200000];
   
   int i,j;

   min = R[0];

   max = R[1] - R[0];

   for(j = 1; j < n - 1;j++)
     if(max < R[j] - min){
       max = R[j] - min;
     }
     if(R[j] < min){
       min = R[j];
     }  
   }
     printf("%d\n",max);

   return 0; 

   }




  

   

Compiler output:
main.c:22:13: error: expected declaration specifiers or '...' before string constant
   22 |      printf("%d\n",max);
      |             ^~~~~~
main.c:22:20: error: unknown type name 'max'
   22 |      printf("%d\n",max);
      |                    ^~~
main.c:24:4: error: expected identifier or '(' before 'return'
   24 |    return 0;
      |    ^~~~~~
main.c:26:4: error: expected identifier or '(' before '}' token
   26 |    }
      |    ^
Language: C

   #include <stdio.h>

   int main (void)
   {

   int min,max,n,R[200000];
   
   int i,j;

   min = R[0];

   max = R[1] - R[0];

   for(j = 1; j < n - 1;j++)
     if(max < R[j] - min){
       max = R[j] - min;
     }
     if(R[j] < min){
       min = R[j];
     }  
   }
     printf("%d",max);

   }

   return 0; 

   }




  

   

Compiler output:
main.c:22:13: error: expected declaration specifiers or '...' before string constant
   22 |      printf("%d",max);
      |             ^~~~
main.c:22:18: error: unknown type name 'max'
   22 |      printf("%d",max);
      |                  ^~~
main.c:24:4: error: expected identifier or '(' before '}' token
   24 |    }
      |    ^
main.c:26:4: error: expected identifier or '(' before 'return'
   26 |    return 0;
      |    ^~~~~~
main.c:28:4: error: expected identifier or '(' before '}' token
   28 |    }
      |    ^
Language: C

   #include <stdio.h>

   int main (void)
   {

   int min,max,n,R[200000];
   
   int i,j;

   min = R[0];

   max = R[1] - R[0];

   for(j = 1; j < n - 1;j++)
     if(max < R[j] - min){
       max = R[j] - min;
     }
     if(R[j] < min){
       min = R[j];
     }  
   }
     printf("%d/n",max);

   }

   return 0; 

   }




  

   

Compiler output:
main.c:22:13: error: expected declaration specifiers or '...' before string constant
   22 |      printf("%d/n",max);
      |             ^~~~~~
main.c:22:20: error: unknown type name 'max'
   22 |      printf("%d/n",max);
      |                    ^~~
main.c:24:4: error: expected identifier or '(' before '}' token
   24 |    }
      |    ^
main.c:26:4: error: expected identifier or '(' before 'return'
   26 |    return 0;
      |    ^~~~~~
main.c:28:4: error: expected identifier or '(' before '}' token
   28 |    }
      |    ^
Language: C

   #include <stdio.h>

   int main (void)
   {

   int min,max,n,R[200000];
   
   int i,j;

   min = R[0];

   max = R[1] - R[0];

   for(j = 1; j < n - 1;j++){
     if(max < R[j] - min){
       max = R[j] - min;
     }
     if(R[j] < min){
       min = R[j];
     }  
   }
     printf("%d\n",max);

   }

   return 0; 

   }




  

   

Compiler output:
main.c:26:4: error: expected identifier or '(' before 'return'
   26 |    return 0;
      |    ^~~~~~
main.c:28:4: error: expected identifier or '(' before '}' token
   28 |    }
      |    ^
Language: C

#include<stdio.h>
int main()
{
    int i, j, n, max, min, ans;
    int num[1024];
    
    scanf("%d", &n);
    
    for(i=0; i<n; i++){
        scanf("%d", &num[i])
    }
    
    max = num[1] - num[0];
    min = num[0];
    
    for(j=1; j<n; j++){
        if(num[j]-min > max)
            max = num[j] - min;
        if(num[j] < min)
            min = num[j]
    }
    printf("%d\n", max);
    
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:29: error: expected ';' before '}' token
   10 |         scanf("%d", &num[i])
      |                             ^
      |                             ;
   11 |     }
      |     ~                        
main.c:20:25: error: expected ';' before '}' token
   20 |             min = num[j]
      |                         ^
      |                         ;
   21 |     }
      |     ~
Language: C

#include<stdio.h>
int main()
{
    int i, j, n, max, min, ans;
    int num[1024];
    
    scanf("%d", &n);
    
    for(i=0; i<n; i++){
        scanf("%d", &num[i])
    }
    
    max = num[1] - num[0];
    min = num[0];
    
    for(j=1; j<n; j++){
        if(num[j]-min > max)
            max = num[j] - min;
        if(num[j] < min)
            min = num[j]
            }
    printf("%d\n", max);
    
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:29: error: expected ';' before '}' token
   10 |         scanf("%d", &num[i])
      |                             ^
      |                             ;
   11 |     }
      |     ~                        
main.c:20:25: error: expected ';' before '}' token
   20 |             min = num[j]
      |                         ^
      |                         ;
   21 |             }
      |             ~
Language: C

#include<stdio.h>
int main()
{
    int i, j, n, max, min, ans;
    int num[1024];
    
    scanf("%d", &n);
    
    for(i=0; i<n; i++){
        scanf("%d", &num[i])
    }
    
    max = num[1] - num[0];
    min = num[0];
    
    for(j=1; j<n; j++){
        if(num[j]-min > max)    max = num[j] - min;
        if(num[j] < min)    min = num[j]
    }
    
    printf("%d\n", max);
    
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:29: error: expected ';' before '}' token
   10 |         scanf("%d", &num[i])
      |                             ^
      |                             ;
   11 |     }
      |     ~                        
main.c:18:41: error: expected ';' before '}' token
   18 |         if(num[j] < min)    min = num[j]
      |                                         ^
      |                                         ;
   19 |     }
      |     ~
Language: C

#include<stdio.h>


int main()
{
	int n;
	int amax;
	int C[200000];
	int cmin;

	scanf("%d", &n);
	for (int t = 0; t < n; t++)
	{
		scanf_s("%d", &C[t]);
	}

	amax = C[1] - C[0];
	cmin = C[0];
	for (int j = 1; j < n ; j++)
	{

		if (C[j] <= cmin)
		{
			cmin = C[j];
		}
		
		for (int i = j + 1; i < n; i++)
		{
			int comp = C[i] - cmin;
			if (amax < comp)
			{
				amax = comp;
			}
		}
		
	}
		printf("%d\n", amax);	
			

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:17: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
   14 |                 scanf_s("%d", &C[t]);
      |                 ^~~~~~~
      |                 scanf
Language: C

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

int l[200000],m,n,s;
scanf("%d",&m);

for(n=0;n<m:n++){
scanf("%d",&l[n]);
}

for(s=0;s<m;s++){
   for(t=m;s<m-1;m--){
        
  }

}

}

Compiler output:
main.c: In function 'main':
main.c:7:12: error: expected ';' before ':' token
    7 | for(n=0;n<m:n++){
      |            ^
      |            ;
main.c:12:8: error: 't' undeclared (first use in this function)
   12 |    for(t=m;s<m-1;m--){
      |        ^
main.c:12:8: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
#define MAX 200000
int main(void)
{
  int i,R[MAX],n,maxv,minv;

  scanf("%d",&n);
  for(i=0;i<n;i++){
    scanf("%d",&R[i]);
  }
  int maxv=-2000000000;
  int minv=R[0];
  for(i=1;i<n;i++){
    maxv=max(maxv,R[i]-minv);
    minv=min(minv,R[i]);
  }
  prinf("%d",maxv);
  return 0;
}

  

Compiler output:
main.c: In function 'main':
main.c:11:7: error: redeclaration of 'maxv' with no linkage
   11 |   int maxv=-2000000000;
      |       ^~~~
main.c:5:18: note: previous declaration of 'maxv' with type 'int'
    5 |   int i,R[MAX],n,maxv,minv;
      |                  ^~~~
main.c:12:7: error: redeclaration of 'minv' with no linkage
   12 |   int minv=R[0];
      |       ^~~~
main.c:5:23: note: previous declaration of 'minv' with type 'int'
    5 |   int i,R[MAX],n,maxv,minv;
      |                       ^~~~
main.c:14:10: error: implicit declaration of function 'max' [-Wimplicit-function-declaration]
   14 |     maxv=max(maxv,R[i]-minv);
      |          ^~~
main.c:15:10: error: implicit declaration of function 'min'; did you mean 'main'? [-Wimplicit-function-declaration]
   15 |     minv=min(minv,R[i]);
      |          ^~~
      |          main
main.c:17:3: error: implicit declaration of function 'prinf'; did you mean 'printf'? [-Wimplicit-function-declaration]
   17 |   prinf("%d",maxv);
      |   ^~~~~
      |   printf
Language: C

#include <stdio.h>

int main(void)	{
	int i, j, n, max, min, a[200000];
	scanf("%d", &n);
	for (i = 0; i < n; i++)	{
		scanf("%d", &a[i]);
	}
	max = 0;
	min = a[0];
	
	for (i = 1; i < n; i++)  {
		if ( a[i] - min > max)
			max = a[i] - min;
	} 
	printf("%d\n", max);
	return 0;	
}
int 

Compiler output:
main.c:19:1: error: expected identifier or '(' at end of input
   19 | int
      | ^~~
Language: C

#include <stdio.h>
#define MAX 200000
int main(void)
{
  int R[MAX],n,max,min,i;

  scanf("%d",&n);
  for(i=0;i<n;i++){
    scanf("%d",&R[i]);
  }
  
  max=-2000000;
  min=R[0];
  for(i=1;i<n;i++){
    if(R[i]>max) max=tensu[i];
    if(R[i]<min) min=tensu[i];
  }
  printf("%d",max-min);

  return 0;
}

      

Compiler output:
main.c: In function 'main':
main.c:15:22: error: 'tensu' undeclared (first use in this function)
   15 |     if(R[i]>max) max=tensu[i];
      |                      ^~~~~
main.c:15:22: 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 n, r;
  int max = -1, min = -1;
  int flag = 1;

  scanf("%d", &n);

  for (i = 0; i < n; i++) {
    scanf("%d", &r);

    if (i == 0) {
      min = r;
      max = r - 1;
      continue;
    }

    if (r < min) {
      min = r;
      max = r - 1;
    }

    if (r > min && r > max) {
      max = r;
    }

  printf("%d\n", max - min);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:32:1: error: expected declaration or statement at end of input
   32 | }
      | ^
Language: C

#include<stdio.h>
#include<math.h>
#define 200000 N

int main(void){
int N' = N * (N-1) / 2
int Rt[N], RMAX = 0, R = 0;
int n, s;
int i, j;

scanf("%d",&n);
for(i = 0; i < n; i++){
scanf("%d", &s);
Rt[i] = s;
}

for( i = 0; i < n; i++){
for( j = 0; j < n; j++){
R = abs(R[i] - R[j]);
if( R > RMAX) RMAX = R;

}
}
printf("%d", RMAX);



return 0;
}

Compiler output:
main.c:3:9: error: macro names must be identifiers
    3 | #define 200000 N
      |         ^~~~~~
main.c: In function 'main':
main.c:6:6: warning: missing terminating ' character
    6 | int N' = N * (N-1) / 2
      |      ^
main.c:6:6: error: missing terminating ' character
    6 | int N' = N * (N-1) / 2
      |      ^~~~~~~~~~~~~~~~~
main.c:6:6: error: expected ';' before 'int'
    6 | int N' = N * (N-1) / 2
      |      ^
      |      ;
    7 | int Rt[N], RMAX = 0, R = 0;
      | ~~~   
main.c:7:8: error: 'N' undeclared (first use in this function)
    7 | int Rt[N], RMAX = 0, R = 0;
      |        ^
main.c:7:8: note: each undeclared identifier is reported only once for each function it appears in
main.c:19:5: error: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
   19 | R = abs(R[i] - R[j]);
      |     ^~~
main.c:3:1: note: include '<stdlib.h>' or provide a declaration of 'abs'
    2 | #include<math.h>
  +++ |+#include <stdlib.h>
    3 | #define 200000 N
main.c:19:10: error: subscripted value is neither array nor pointer nor vector
   19 | R = abs(R[i] - R[j]);
      |          ^
main.c:19:17: error: subscripted value is neither array nor pointer nor vector
   19 | R = abs(R[i] - R[j]);
      |                 ^
Language: C

#include<stdio.h>
#include<math.h>
#define N 200000 

int main(void){
int N' = N * (N-1) / 2
int Rt[N], RMAX = 0, R = 0;
int n, s;
int i, j;

scanf("%d",&n);
for(i = 0; i < n; i++){
scanf("%d", &s);
Rt[i] = s;
}

for( i = 0; i < n; i++){
for( j = 0; j < n; j++){
R = abs(R[i] - R[j]);
if( R > RMAX) RMAX = R;

}
}
printf("%d", RMAX);



return 0;
}

Compiler output:
main.c: In function 'main':
main.c:3:11: error: expected identifier or '(' before numeric constant
    3 | #define N 200000
      |           ^~~~~~
main.c:6:5: note: in expansion of macro 'N'
    6 | int N' = N * (N-1) / 2
      |     ^
main.c:6:6: warning: missing terminating ' character
    6 | int N' = N * (N-1) / 2
      |      ^
main.c:6:6: error: missing terminating ' character
    6 | int N' = N * (N-1) / 2
      |      ^~~~~~~~~~~~~~~~~
main.c:14:1: error: 'Rt' undeclared (first use in this function)
   14 | Rt[i] = s;
      | ^~
main.c:14:1: note: each undeclared identifier is reported only once for each function it appears in
main.c:19:1: error: 'R' undeclared (first use in this function)
   19 | R = abs(R[i] - R[j]);
      | ^
main.c:19:5: error: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
   19 | R = abs(R[i] - R[j]);
      |     ^~~
main.c:3:1: note: include '<stdlib.h>' or provide a declaration of 'abs'
    2 | #include<math.h>
  +++ |+#include <stdlib.h>
    3 | #define N 200000
main.c:20:9: error: 'RMAX' undeclared (first use in this function)
   20 | if( R > RMAX) RMAX = R;
      |         ^~~~
Language: C

#include<stdio.h>
#include<math.h>
#define N 200000 

int main(void){
int Rt[N], RMAX = 0, R = 0;
int n, s;
int i, j;

scanf("%d",&n);
for(i = 0; i < n; i++){
scanf("%d", &s);
Rt[i] = s;
}

for( i = 0; i < n; i++){
for( j = 0; j < n; j++){
R = abs(R[i] - R[j]);
if( R > RMAX) RMAX = R;

}
}
printf("%d", RMAX);



return 0;
}

Compiler output:
main.c: In function 'main':
main.c:18:5: error: implicit declaration of function 'abs' [-Wimplicit-function-declaration]
   18 | R = abs(R[i] - R[j]);
      |     ^~~
main.c:3:1: note: include '<stdlib.h>' or provide a declaration of 'abs'
    2 | #include<math.h>
  +++ |+#include <stdlib.h>
    3 | #define N 200000
main.c:18:10: error: subscripted value is neither array nor pointer nor vector
   18 | R = abs(R[i] - R[j]);
      |          ^
main.c:18:17: error: subscripted value is neither array nor pointer nor vector
   18 | R = abs(R[i] - R[j]);
      |                 ^
Language: C

#include <stdio.h>
#include <stdlib.h>

int main(void){
	int i, j, n, max=0, temp;
	int *r;
	scanf(%d, &n);
	r = malloc(n*sizeof(int));
	for(i=0;i<n;i++){
		scanf(%d, &r[i]);
	}
	for(i=0;i<n-1;i++){
		for(j=1;j<n;j++){
			temp=r[j]-r[i];
			if(max<temp){
				max=temp;
			}
		}
	}
	printf("%d\n", max);
}

Compiler output:
main.c: In function 'main':
main.c:7:15: error: expected expression before '%' token
    7 |         scanf(%d, &n);
      |               ^
main.c:10:23: error: expected expression before '%' token
   10 |                 scanf(%d, &r[i]);
      |                       ^
Language: C

#include <stdio.h>

#define N 200000

int main(){
  int i, j;
  int len;
  int max = 0;
  int num[N];
  for(i = 0; i < N; i++) num[N] = -1;
  while(i = 0, scanf("%d", num[i++]) == 1) ;
  len = i - 1;
  for(i = 0; i < len - 1; i++){
    for(j = i; j < len; j++){
      if(num[j] - num[i] > max) max = num[j] - num[i]
    }
  }
  printf("%d\n", max);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:54: error: expected ';' before '}' token
   15 |       if(num[j] - num[i] > max) max = num[j] - num[i]
      |                                                      ^
      |                                                      ;
   16 |     }
      |     ~
Language: C

#include <stdio.h>


int main(){
	int i,j,n,temp;max=0;
	scanf("%d\n",&n);
	int a[n+1];
	for(i=0;i<n;i++){
		scanf("%d\n",a[i]);
	}
	for(i=0;i<n;i++){
		for(j=i+1;j<n;j++){
			temp = a[j]-a[i];
			if(temp>max){
				max = temp;
			}
		}
	}
	printf("%d\n",max);
}

Compiler output:
main.c: In function 'main':
main.c:5:24: error: 'max' undeclared (first use in this function)
    5 |         int i,j,n,temp;max=0;
      |                        ^~~
main.c:5:24: note: each undeclared identifier is reported only once for each function it appears in
Language: C

include <stdio.h>
int main(){
    int i,a,d[100] ;
    int max = 99999;
    scanf("%d",&a);
    int num[a-1];
    for(i=0;i<a;i++){
        scanf("%d",&a[i]);
    }
    for(i=0;i<a;i++){
        d[i] = a[i+1]-a[i];
    }
    for(i=0;i<a;i++){
        if(d[i]>d[i+1]){
            max = d[i];
        }
    }
    printf("%d",max);
}

Compiler output:
main.c:1:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include <stdio.h>
      |         ^
Language: C

#include<stdio.h>


int main(void){
	int R[200000];
	int n, i, j;
	int max = -999999999;
	int min = R[0]
	scanf("%d", &n);
	for(i=0;i<n;i++){
		scanf("%d", &R[i]);
	}

	for(j=1;j<n;j++){
		if(R[j]-min>max)
			max = R[j]-min;
		if(min > R[j])
			min = R[j];
	}
	printf("%d\n", max);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:9: error: expected ',' or ';' before 'scanf'
    9 |         scanf("%d", &n);
      |         ^~~~~
Language: C

#include<stdio.h>

int main(){
    int i,a,d[100] ;
    int max = 99999;
    scanf("%d",&a);
    int num[a-1];
    for(i=0;i<a;i++){
        scanf("%d",&a[i]);
    }
    for(i=0;i<a;i++){
        d[i] = a[i+1]-a[i];
    }
    for(i=0;i<a;i++){
        if(d[i]>d[i+1]){
            max = d[i];
        }
    }
    printf("%d",max);
}

Compiler output:
main.c: In function 'main':
main.c:9:22: error: subscripted value is neither array nor pointer nor vector
    9 |         scanf("%d",&a[i]);
      |                      ^
main.c:12:17: error: subscripted value is neither array nor pointer nor vector
   12 |         d[i] = a[i+1]-a[i];
      |                 ^
main.c:12:24: error: subscripted value is neither array nor pointer nor vector
   12 |         d[i] = a[i+1]-a[i];
      |                        ^
Language: C

#include <stdio.h>


int main(void){
	int R[200000];
	int n, i, j;
	int max = -999999999;
	int min = R[0]
	scanf("%d", &n);
	for(i=0;i<n;i++){
		scanf("%d", &R[i]);
	}

	for(j=1;j<n;j++){
		if(R[j]-min>max)
			max = R[j]-min;
		if(min > R[j])
			min = R[j];
	}
	printf("%d\n", max);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:9: error: expected ',' or ';' before 'scanf'
    9 |         scanf("%d", &n);
      |         ^~~~~
Language: C

#include <algorithm>
#include <cstdio>
#include <climits>
 
using namespace std;
 
const int N = 200000;
 
int main() {
  int n, r[N];
  scanf("%d", &n);
  for (int i = 0; i < n; i++) scanf("%d", &r[i]);
 
  int mi = r[0], ans = -INT_MIN;
  for (int i = 1; i < n; i++) {
    ans = max(ans, r[i] - mi);
    mi = min(mi, r[i]);
  }
  printf("%d\n", ans);
}

Compiler output:
main.c:1:10: fatal error: algorithm: No such file or directory
    1 | #include <algorithm>
      |          ^~~~~~~~~~~
compilation terminated.