POJ 3981 字符串替换
一、题目信息
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
二、参考代码
#include <string> #include <iostream>using namespace std;int main(){ string str; while(getline(cin,str)) { string::size_type pos = 0; while ( (pos = str.find("you", pos)) != string::npos ) { str.replace( pos++, 3, "we" ); } cout << str << endl; } return 0;}