Submission #921020

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
921020	2024-02-03 08:58:38	gelastropod	Monthly railway pass (LMIO18_menesinis_bilietas)	C++14	100 / 100	521 ms	90292 KiB

menesinis_bilietas

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#include <bits/stdc++.h>
using namespace std;
#define int long long
int nSets;
vector<int> dsu;
int find(int x)
{
    if (dsu[x] == x) return x;
    return dsu[x] = find(dsu[x]);
}
void join(int a, int b)
{
    a = find(a), b = find(b);
    if (a == b) return;
    dsu[a] = b;
    nSets--;
}
signed main()
{
    int N, M, a, b, ans = 0;
    cin >> N >> M;
    char t;
    for (int i = 0; i < N; i++) dsu.push_back(i);
    nSets = N;
    vector<vector<pair<int, bool>>> adjlist(N, vector<pair<int, bool>>());
    for (int i = 0; i < M; i++)
    {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

menesinis_bilietas.cpp: In function 'int main()':
menesinis_bilietas.cpp:48:40: warning: comparison of integer expressions of different signedness: 'std::set<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   48 |         if (btradjlist[find(i)].size() == nSets - 1) ans++;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 6 / 6
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35
• Subtask 5: 19 / 19