题解 | #最长&最短文本#

学会使用哈希优化

#include <climits>
#include <iostream>
#include <map>
#include <vector>
using namespace std;

int main() {
    map<int, vector<string>> m;
    string str;
    int max_len = 0, min_len = INT_MAX;
    while (getline(cin, str)) {
        m[str.length()].push_back(str);
        if (str.length() > max_len) max_len = str.length();
        if (str.length() < min_len) min_len = str.length();
    }
    for (auto iter: m[min_len]) {
        cout << iter << endl;
    }
    for (auto iter: m[max_len]) {
        cout << iter << endl;
    }
    
}