Submission #102499

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
102499	2019-03-25 11:37:59	Andrei1998	Designated Cities (JOI19_designated_cities)	C++17	100 / 100	1601 ms	94584 KiB

designated_cities

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#include <bits/stdc++.h>
using namespace std;
typedef long long int lint;
const int NMAX = 200000 + 5;
int N;
set <int> tree[NMAX];
inline int parent(int node) { return *tree[node].begin(); }
map <lint, int> cost[NMAX];
lint ans[NMAX];
int main() {
    ios_base :: sync_with_stdio(false), cin.tie(nullptr);
    cin >> N;
    for (int i = 1; i < N; ++i) {
        int a, b, c, d;
        cin >> a >> b >> c >> d;
        tree[a].insert(b);
        tree[b].insert(a);
        cost[a][b] = c;
        cost[b][a] = d;
    }
    // E = 1
    lint sum = 0;
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 9 / 9
• Subtask 4: 17 / 17
• Subtask 5: 17 / 17
• Subtask 6: 44 / 44