Submission #1225583

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Source Code Expand

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

int main(void)
{
  int n, i, j, c=0, in;
  char s[105], an[105];
  scanf("%d", &n);
  scanf("%s", s);

  if(n%2 == 0){
    printf("-1\n");
    return 0;
  }
 
  in = n/2;
  for(i = 0; i < n; i++){
    if(i == 0){
      an[in] = 'b';
      if(n != c*2+1) c++;
      else break;
    }
     if(3*i+1 == c){
      an[in-c] = 'a';
      an[in+c] = 'c';
      if(n != c*2+1) c++;
      else break;
     }
     if(3*i+2 == c){
       an[in-c] = 'c';
       an[in+c] = 'a';
       if(n != c*2+1) c++;
       else break;
     }
     if(3*(i+1) == c){
       an[in-c] = 'b';
       an[in+c] = 'b';
       if(n != c*2+1) c++;
       else break;
     }
  }
  an[n] = '\0';
  if(strcmp(s, an) == 0)
    printf("%d\n", c);
  else
    printf("-1\n");
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:43:6: warning: implicit declaration of function ‘strcmp’ [-Wimplicit-function-declaration]
   if(strcmp(s, an) == 0)
      ^
./Main.c:8:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ^
./Main.c:9:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", s);
   ^

Judge Result