题解 | #单词替换#
单词替换
http://www.nowcoder.com/practice/5b58a04679d5419caf62c2b238e5c9c7
#include<iostream>
#include<cstdio>
#include<string>
using namespace std;
int main() {
string str, str1, str2, temp;
int low, high;
while (getline(cin, str)) {
getline(cin, str1);
getline(cin, str2);
low = high = 0;
while (high < str.size()) {
while (str[high] != ' ' && high < str.size())++high;
temp=str.substr(low, high - low);
if (str1 == temp) {
str.erase(low, high - low);
str.insert(low, str2);
}
else {
low = ++high;
}
}
cout<<str<<endl;
}
return 0;
}
