pku--3981 给定字符串替换

#include "stdio.h"#include "string.h"int main(){char s[10000],str[10000];int i,j,k,len;while (gets(s)){len=strlen(s);i=0;k=0;while(i<len){if(s[i]=='y'&&s[i+1]=='o'&&s[i+2]=='u'&&i<len-2){str[k++]='w';str[k++]='e';i=i+3;} else str[k++]=s[i++];}str[k]='/0';puts(str);}return 0;}