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  1. #include <stdio.h>
  2. #include <stdbool.h>
  3. int main(){
  4.     int n;long long c;
  5.     scanf("%lld",&c);
  6.     c=n*n/2;if(n&1) c++;
  7.     printf("%lld\n",c); bool f;    
  8.     for(int i=1;i<=n;i++){f=(i&1);
  9.     for(int j=0;j<n;j++){ if(f) printf("*");
  10.     else printf("x");f=!f;}
  11.     printf("\n");}return 0;}
Success #stdin #stdout 0s 9432KB
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https://ideone.com/6obDMZ
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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