제출 #999025

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
999025		vjudge1	Konstrukcija (COCI20_konstrukcija)	C++17	15 / 110	1 ms	348 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main(){
    int k;
    cin >> k;

    if (1 <= k < 500){
        int n = k + 3;
        vector<pair<int, int>> edges;
        for (int i = 2; i < n; i ++){
            edges.push_back({1, i});
            edges.push_back({i, n});
        }

        cout << n << " " << edges.size() << endl;
        for (auto [u, v] : edges)
            cout << u << " " << v << endl;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

konstrukcija.cpp: In function 'int main()':
konstrukcija.cpp:8:16: warning: comparison of constant '500' with boolean expression is always true [-Wbool-compare]
    8 |     if (1 <= k < 500){
      |         ~~~~~~~^~~~~
konstrukcija.cpp:8:11: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
    8 |     if (1 <= k < 500){
      |         ~~^~~~

• Subtask 1: 15 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 60