字符串替换

#include <iostream>#include <cstdio>#include <cstring>#include <algorithm>using namespace std;int main(){    char a[1005];    while(gets(a)){        int len=strlen(a);        int i;        for(i=0;i<len-2;i++){            if(a[i]==‘y‘&&a[i+1]==‘o‘&&a[i+2]==‘u‘){                a[i]=‘w‘;                a[i+1]=‘e‘;                a[i+2]=‘*‘;            }        }        for(i=0;i<len;i++){            if(a[i]!=‘*‘){                printf("%c",a[i]);            }        }        printf("\n");    }    return 0;}