poj 3981 字符串替换

字符串替换

Time Limit: 1000MS		Memory Limit: 65536K
Total Submissions: 10871		Accepted: 5100

Description

编写一个C程序实现将字符串中的所有"you"替换成"we"

Input

输入包含多行数据

每行数据是一个字符串，长度不超过1000 
数据以EOF结束

Output

对于输入的每一行，输出替换后的字符串

Sample Input

you are what you do

Sample Output

we are what we do

 #include <stdio.h>
 #include <string.h>
 char str[];

 int main(){
     int i;
     while(gets(str)){
         for(i = ; str[i] != '\0'; i++){
             if(str[i] == 'y' && str[i+] == 'o' && str[i+] == 'u'){
                 printf("we");
                 i += ;
             } else {
                 printf("%c", str[i]);
             }
         }
         printf("\0");
         printf("\n");
     }
     return ;
 }