제출 #745431

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
745431	2023-05-20 06:19:21	Alexandruabcde	Marshmallow Molecules (CCO19_day2problem2)	C++14	5 / 25	4080 ms	220912 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef pair <int, int> PII;
constexpr int NMAX = 1e5 + 5;
int N, M;
vector <int> G[NMAX];
map <PII, int> mp;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> N >> M;
    for (int i = 1; i <= M; ++ i ) {
        int x, y;
        cin >> x >> y;
        if (x > y) swap(x, y);
        G[x].push_back(y);
        mp[{x, y}] = true;
    }
    for (int i = 1; i <= N; ++ i ) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:33:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for (int j = 0; j < G[i].size(); ++ j ) {
      |                         ~~^~~~~~~~~~~~~
Main.cpp:34:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             for (int k = j+1; k < G[i].size(); ++ k ) {
      |                               ~~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 10