5601 | 2023. 08. 02 13:45:01 | TomaSajt | Legtöbb unoka (80 pont) | cpp17 | Elfogadva 80/80 | 4ms | 6028 KiB |
#include <bits/stdc++.h>
using namespace std;
int main() {
cin.tie(0);
ios::sync_with_stdio(0);
int n, m;
cin >> n >> m;
vector<int> parent(n + 1, -1);
for (int i = 0; i < m; i++) {
int par, self;
cin >> par >> self;
parent[self] = par;
}
vector<int> child_count(n + 1, 0);
for (int i = 1; i <= n; i++) {
if (parent[i] == -1) continue;
child_count[parent[i]] += 1;
}
vector<int> grandchild_count(n + 1, 0);
for (int i = 1; i <= n; i++) {
if (parent[i] == -1) continue;
grandchild_count[parent[i]] += child_count[i];
}
auto best_it = max_element(grandchild_count.begin(), grandchild_count.end());
if (*best_it == 0) {
cout << "-1";
}
else {
cout << best_it - grandchild_count.begin() << ' ' << *best_it;
}
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 80/80 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1960 KiB | |||
2 | Elfogadva | 0/0 | 4ms | 2280 KiB | |||
3 | Elfogadva | 4/4 | 2ms | 2316 KiB | |||
4 | Elfogadva | 4/4 | 3ms | 2428 KiB | |||
5 | Elfogadva | 4/4 | 4ms | 2904 KiB | |||
6 | Elfogadva | 4/4 | 4ms | 3280 KiB | |||
7 | Elfogadva | 4/4 | 3ms | 3536 KiB | |||
8 | Elfogadva | 4/4 | 2ms | 3460 KiB | |||
9 | Elfogadva | 4/4 | 4ms | 3776 KiB | |||
10 | Elfogadva | 4/4 | 4ms | 4072 KiB | |||
11 | Elfogadva | 4/4 | 4ms | 4124 KiB | |||
12 | Elfogadva | 4/4 | 4ms | 4168 KiB | |||
13 | Elfogadva | 4/4 | 4ms | 4648 KiB | |||
14 | Elfogadva | 4/4 | 4ms | 4592 KiB | |||
15 | Elfogadva | 4/4 | 4ms | 4964 KiB | |||
16 | Elfogadva | 4/4 | 4ms | 5228 KiB | |||
17 | Elfogadva | 4/4 | 4ms | 5512 KiB | |||
18 | Elfogadva | 4/4 | 4ms | 6024 KiB | |||
19 | Elfogadva | 2/2 | 3ms | 5824 KiB | |||
20 | Elfogadva | 2/2 | 3ms | 5888 KiB | |||
21 | Elfogadva | 3/3 | 3ms | 5888 KiB | |||
22 | Elfogadva | 3/3 | 3ms | 5900 KiB | |||
23 | Elfogadva | 3/3 | 4ms | 5940 KiB | |||
24 | Elfogadva | 3/3 | 4ms | 6028 KiB |