Submission #745450

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
745450	2023-05-20 07:02:34	Alexandruabcde	Marshmallow Molecules (CCO19_day2problem2)	C++14	25 / 25	140 ms	24576 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;
set <int> G[NMAX];
map <PII, int> mp;
void Unite (int x, int y) {
    if (G[x].size() > G[y].size()) swap(G[x], G[y]);
    for (auto it : G[x])
        G[y].insert(it);
}
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;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 10 / 10