HDUOJ3981字符串替换

字符串替换

Time Limit: 1000MS		Memory Limit: 65536K
Total Submissions: 7285		Accepted: 3448

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

View Code

#include<stdio.h>
#include<string.h>
char stra[1000],strb[1000];
int main()
{
    int i,j;
    while(gets(stra))
    {
        j=0;
        for(i=0;stra[i]!='\0';i++)
            if(stra[i]=='y'&&stra[i+1]=='o'&&stra[i+2]=='u')
            {
                strb[j++]='w';
                strb[j++]='e';
                i=i+2;
            }
            else 
            {
                strb[j++]=stra[i];
            }
        strb[j]='\0';
        printf("%s\n",strb);
    }
    return 0;
}