oj.uz

답안 #867742

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
867742 2023-10-29T11:53:42 Z overwatch9 Regions (IOI09_regions) C++17
13 / 100
 923 ms 131072 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
using namespace std;
vector <vector <int>> adj;
vector <int> col;
vector <map <int, int>> freq;
vector <vector <int>> regions;
void dfs(int s, int p) {
    freq[s][col[s]] = 1;
    for (auto i : adj[s]) {
        if (i == p)
            continue;
        dfs(i, s);
        for (auto j : freq[i])
            freq[s][j.first] += j.second;
    }
}
int main() {
    int n, r, q;
    cin >> n >> r >> q;
    col = vector <int> (n+1);
    adj.resize(n+1);
    regions.resize(r+1);
    freq.resize(n+1);
    cin >> col[1];
    regions[col[1]].push_back(1);
    for (int i = 2; i <= n; i++) {
        int p, c;
        cin >> p >> c;
        adj[i].push_back(p);
        adj[p].push_back(i);
        col[i] = c;
        regions[c].push_back(i);
    }
    dfs(1, 1);
    while (q--) {
        int r1, r2;
        cin >> r1 >> r2;
        int ans = 0;
        for (auto i : regions[r1]) {
            ans += freq[i][r2];
        }
        cout << ans << endl;
    }
}

Subtask #1
13.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 436 KB Output is correct
3 Correct 1 ms 708 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 4 ms 924 KB Output is correct
6 Correct 23 ms 7720 KB Output is correct
7 Correct 21 ms 2932 KB Output is correct
8 Correct 30 ms 5840 KB Output is correct
9 Correct 197 ms 68940 KB Output is correct
10 Correct 115 ms 20692 KB Output is correct
11 Correct 321 ms 54720 KB Output is correct
12 Runtime error 205 ms 131072 KB Execution killed with signal 9
13 Correct 391 ms 53412 KB Output is correct
14 Correct 923 ms 109472 KB Output is correct
15 Runtime error 201 ms 131072 KB Execution killed with signal 9

Subtask #2
0 / 85.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 226 ms 131072 KB Execution killed with signal 9
2 Runtime error 350 ms 131072 KB Execution killed with signal 9
3 Runtime error 215 ms 131072 KB Execution killed with signal 9
4 Runtime error 227 ms 131072 KB Execution killed with signal 9
5 Runtime error 219 ms 131072 KB Execution killed with signal 9
6 Runtime error 269 ms 131072 KB Execution killed with signal 9
7 Runtime error 243 ms 131072 KB Execution killed with signal 9
8 Runtime error 237 ms 131072 KB Execution killed with signal 9
9 Runtime error 260 ms 131072 KB Execution killed with signal 9
10 Runtime error 256 ms 131072 KB Execution killed with signal 9
11 Runtime error 290 ms 131072 KB Execution killed with signal 9
12 Runtime error 275 ms 131072 KB Execution killed with signal 9
13 Runtime error 272 ms 131072 KB Execution killed with signal 9
14 Runtime error 291 ms 131072 KB Execution killed with signal 9
15 Runtime error 275 ms 131072 KB Execution killed with signal 9
16 Runtime error 256 ms 131072 KB Execution killed with signal 9
17 Runtime error 273 ms 131072 KB Execution killed with signal 9