poj 3981 字符串替换

字符串替换

Time Limit: 1000MS		Memory Limit: 65536K
Total Submissions: 6311		Accepted: 2943

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>

int main()
{
    char you[]="you";
    char we[]="we";
    char income[1001];
    int i,j;
    int l;
    while(gets(income))
    {
        l=strlen(income);
        for(i=0;i<l;i++)
        {
            if(income[i]=='y'&&income[i+1]=='o'&&income[i+2]=='u')
            {
                income[i]='w';
                income[i+1]='e';
                for(j=i+2;j<l;j++)
                {
                    income[j]=income[j+1];
                }
            }
        }
        printf("%s\n",income);
    }
}