Submission #1177109

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1177109	2025-04-01 09:38:54	tsengang	Jakarta Skyscrapers (APIO15_skyscraper)	C++20	0 / 100	0 ms	328 KiB

skyscraper

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#include <bits/stdc++.h>
#define ll long long
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
#define pb push_back
using namespace std;
int main() {
    ll n,m;
    cin >> n >> m;
    vector<ll>v[n+1];
    ll a[m],b[m];
    for(ll i = 0; i < m; i++){
        cin >> a[i] >> b[i];
        v[a[i]].pb(b[i]);
    }
    vector<ll>dist(n+1,1e18);
    set<pair<ll,ll>>st;
    st.insert({0,a[0]});
    dist[a[0]] = 0;
    while(!st.empty()){
        pair<ll,ll>p = *st.begin();
        st.erase(p);
        for(auto x : v[p.ss]){
            ll cur = p.ss;
            ll d = 0;
            while(cur >= 0){
                if(p.ff + d < dist[cur]){
                    if(dist[cur]<1e18) st.erase({dist[cur],cur});
                    dist[cur] = p.ff+d;
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 12
• Subtask 3: 0 / 14
• Subtask 4: 0 / 21
• Subtask 5: 0 / 43