1880135_ac_0ms_60k.c

北大大牛代码 1240道题的原代码 超级权威

# include <stdio.h>
# include <string.h>

int main()
{
 int i, j, n, k, len;
 char code[201];
 
 while(scanf("%d",&n)==1&&n)
  {
   scanf("%s",code);
   len = strlen(code);
   for(i = 0; i < n; i++)
   {
     j = i;
     k = 2*n-1-j;
     while(1)
     {
       printf("%c",code[j]);
       if(k >= len) break;
       printf("%c",code[k]);
       j+=2*n;k+=2*n;
       if(j >= len) break;
     }
   }
   printf("\n");
  }
  return 1;
}