题解 | #查找学生信息#

#include <iostream>
#include <cstdio>
#include <string>
#include <map>

using namespace std;

/**
 * 查找学生信息--清华大学
 * @return
 */
int main() {
    int n;
    cin >> n;
    /*
     * getChar()用于吸收回车换行符
     * 因为后面要用getLine()来获取一整行的字符串
     */
    getchar();
    map<string, string> studentMap;
    for (int i = 0; i < n; ++i) {
        string studentInfo;
        getline(cin, studentInfo);
        int pos = studentInfo.find(" ");
        string studentId = studentInfo.substr(0, pos);
        //studentMap.insert(pair<string, string>(studentId, studentInfo));
        studentMap[studentId] = studentInfo;
    }
    int m;
    cin >> m;
    for (int i = 0; i < m; ++i) {
        string key;
        cin >> key;
        string ans = studentMap[key];
        if (ans == "") {
            ans = "No Answer!";
        }
        cout << ans << endl;
    }

    return 0;
}