Submission #731696

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
731696	2023-04-27 19:52:11	Desh03	Regions (IOI09_regions)	C++17	29 / 100	8098 ms	26336 KiB

regions

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#include <bits/stdc++.h>
using namespace std;
unordered_map<short int, int> mp[25000];
vector<int> r[25000], g[200000], euler;
int in[200000], out[200000];
short int c[200000];
int t;
void dfs(int u) {
    in[u] = t++;
    euler.push_back(c[u]);
    for (int v : g[u])
        dfs(v);
    out[u] = t - 1;
}
int main() {
    int n, rr, qq;
    cin >> n >> rr >> qq;
    int x, h;
    cin >> h;
    h--;
    r[h].push_back(0);
    c[0] = h;
    for (int i = 1; i < n; i++) {
        cin >> x >> h;
        x--, h--;
        r[h].push_back(i);
        g[x].push_back(i);
 
 
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• Subtask 1: 14 / 15
• Subtask 2: 15 / 85