Submission #373815

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
373815	2021-03-05 20:24:22	gustason	Cheap flights (LMIO18_pigus_skrydziai)	C++11	53 / 100	331 ms	41756 KiB

pigus_skrydziai

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#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxN = 3e5 + 5;
struct Pii {
    int a, w;
};
vector<Pii> adj[maxN];
vector<char> col(maxN);
vector<Pii> par(maxN);
ll sum[maxN], mx = 0;
void dfs(int v, int p) {
    col[v] = 1;
    for(auto u : adj[v]) {
        if (p == u.a) continue;
        if (col[u.a] == 0) {
            dfs(u.a, v);
        } else if (col[u.a] == 1) {
            if (par[par[u.a].a].a == v) {
                ll w = par[par[u.a].a].w + par[u.a].w + u.w;
                mx = max(mx, w);
            }
        }
        par[u.a] = {v, u.w};
    }
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 25 / 25
• Subtask 3: 16 / 16
• Subtask 4: 0 / 47