北京大学机试 单词替换 Easy
基本思想:
无;
关键点:
无;
#include<iostream>
#include<string>
#include<vector>
#include<sstream>
using namespace std;
vector<string>vec;
int main() {
string s;
string a,b;
while (getline(cin,s)) {
vec.resize(0);
cin >> a >> b;
stringstream fin(s);
string c;
while (fin >> c) {
if (a == c) {
vec.push_back(b);
}
else {
vec.push_back(c);
}
}
for (int i = 0; i < vec.size(); i++) {
if (i == 0)
cout << vec[i];
else
cout << " " << vec[i];
}
cout << endl;
getchar();
}
}

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