1031. Hello World for U

最近只能在这种简单题上找一找自信了……

#include <stdio.h>#include <string.h>int main(){char sentence[81];int n1, len,i,j,space;scanf("%s", sentence);len = strlen(sentence);n1 = (len + 2) / 3;for (i = 0,j=len-1; i < n1-1; i++,j--) {printf("%c", sentence[i]);for (space = 0; space < len - 2 * n1; space++)printf(" ");printf("%c\n", sentence[j]);}while (i != j+1)printf("%c",sentence[i++]);return 0;}