Submission #1172314

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1172314	2025-03-23 10:43:10	DanielPr8	Railway (BOI17_railway)	C++20	0 / 100	269 ms	589824 KiB

railway

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvl = vector<vll>;
using pll = pair<ll,ll>;
using vpl = vector<pll>;
using vvp = vector<vpl>;
#define f first
#define s second
#define pb push_back
#define all(v) v.begin(),v.end()
int main(){
    ios_base::sync_with_stdio(0);cin.tie(NULL);
    ll n, m, k, a ,b, s;
    cin >> n >> m >> k;
    vector<set<pll>> g(n);
    vll deg(n);
    for(ll i = 0; i < n-1; ++i){
        cin >> a >> b;
        a--;b--;
        g[a].insert({b,i+1});
        g[b].insert({a,i+1});
        deg[a]++;
        deg[b]++;
    }
    vvl wh(n, vll(m));
    vll am(n);
    for(ll i = 0; i < m; ++i){
 
 
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• Subtask 2: 0 / 15
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• Subtask 5: 0 / 16
• Subtask 6: 0 / 25