oj.uz

답안 #825316

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
825316 2023-08-14T17:38:00 Z serifefedartar Regions (IOI09_regions) C++17
5 / 100
 43 ms 15852 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define MOD 1000000007
#define LOGN 20
#define MAXN 200005
#define pb push_back

vector<vector<int>> graph;
int region[MAXN];
int ans[505][505], cnt[505][505];
void dfs(int node, int parent) {
	for (int i = 0; i <= 500; i++) {
		cnt[node][i] = cnt[parent][i];
		ans[i][region[node]] += cnt[node][i];
	}
	cnt[node][region[node]]++;

	for (auto u : graph[node]) {
		dfs(u, node);
	}
}

int main() {
    fast
    int N, R, Q, S, r1, r2;
    cin >> N >> R >> Q >> region[1];

    graph = vector<vector<int>>(N+1, vector<int>());
    for (int i = 2; i <= N; i++) {
    	cin >> S >> region[i]; 
    	graph[S].pb(i);
    }

    if (R <= 500) {
    	dfs(1, 1);
    	while (Q--) {
    		cin >> r1 >> r2;
    		cout << ans[r1][r2] << endl;
    	}
    } else {

    }
}

Subtask #1
5.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1232 KB Output is correct
2 Correct 1 ms 1360 KB Output is correct
3 Correct 2 ms 1360 KB Output is correct
4 Correct 5 ms 1616 KB Output is correct
5 Correct 4 ms 2256 KB Output is correct
6 Incorrect 13 ms 2384 KB Output isn't correct
7 Runtime error 6 ms 5320 KB Execution killed with signal 11
8 Runtime error 4 ms 4816 KB Execution killed with signal 11
9 Runtime error 7 ms 6696 KB Execution killed with signal 11
10 Runtime error 5 ms 4560 KB Execution killed with signal 11
11 Runtime error 7 ms 6224 KB Execution killed with signal 11
12 Runtime error 8 ms 8112 KB Execution killed with signal 11
13 Runtime error 6 ms 4816 KB Execution killed with signal 11
14 Runtime error 9 ms 7376 KB Execution killed with signal 11
15 Runtime error 12 ms 10576 KB Execution killed with signal 11

Subtask #2
0 / 85.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 20 ms 13588 KB Execution killed with signal 11
2 Runtime error 19 ms 12512 KB Execution killed with signal 11
3 Runtime error 21 ms 15852 KB Execution killed with signal 11
4 Incorrect 5 ms 1872 KB Unexpected end of file - int32 expected
5 Incorrect 6 ms 2448 KB Unexpected end of file - int32 expected
6 Incorrect 10 ms 3024 KB Unexpected end of file - int32 expected
7 Incorrect 11 ms 4004 KB Unexpected end of file - int32 expected
8 Incorrect 18 ms 6080 KB Unexpected end of file - int32 expected
9 Incorrect 24 ms 8676 KB Unexpected end of file - int32 expected
10 Incorrect 43 ms 10260 KB Unexpected end of file - int32 expected
11 Incorrect 34 ms 9308 KB Unexpected end of file - int32 expected
12 Incorrect 42 ms 11288 KB Unexpected end of file - int32 expected
13 Incorrect 31 ms 10824 KB Unexpected end of file - int32 expected
14 Incorrect 41 ms 10848 KB Unexpected end of file - int32 expected
15 Incorrect 40 ms 11952 KB Unexpected end of file - int32 expected
16 Incorrect 41 ms 11932 KB Unexpected end of file - int32 expected
17 Incorrect 34 ms 12032 KB Unexpected end of file - int32 expected