poj 3981 字符串替换

 1 #include <stdio.h>
 2 #include <string.h>
 3 char str[1003];
 4 
 5 int main(){
 6     int i;
 7     while(gets(str)){
 8         for(i = 0; str[i] != ‘\0‘; i++){
 9             if(str[i] == ‘y‘ && str[i+1] == ‘o‘ && str[i+2] == ‘u‘){
10                 printf("we");
11                 i += 2;
12             } else {
13                 printf("%c", str[i]);
14             }
15         }
16         printf("\0");
17         printf("\n");
18     }
19     return 0;
20 }