poj 3981 字符串替换

字符串替换

TimeLimit:1000MS		MemoryLimit:65536K
TotalSubmissions: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
SampleInput

youarewhatyoudo

SampleOutput

wearewhatwedo

#include<stdio.h>
#include<string.h>
charstr[1003];

intmain(){
inti;
while(gets(str)){
for(i=0;str[i]!='\0';i++){
if(str[i]=='y'&&str[i+1]=='o'&&str[i+2]=='u'){
printf("we");
i+=2;
}else{
printf("%c",str[i]);
}
}
printf("\0");
printf("\n");
}
return0;
}