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Submission #1045518

# Submission time Handle Problem Language Result Execution time Memory
1045518 2024-08-06T04:54:18 Z juicy 스파이 (JOI13_spy) C++17
100 / 100
 94 ms 20304 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 2e3 + 5;

int n, m;
int a[N], b[N], dp[N][N];
bool vis[N][N];

int f(int i, int j) {
    if (i == 0 || j == 0) {
        return 0;
    } 
    int &res = dp[i][j];
    if (vis[i][j]) {
        return res;
    }
    vis[i][j] = 1;
    return res += f(a[i], j) + f(i, b[j]) - f(a[i], b[j]);
}

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);

    cin >> n >> m;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i] >> b[i];
    }
    while (m--) {
        int a, b; cin >> a >> b;
        ++dp[a][b];
    }
    for (int i = 1; i <= n; ++i) {
        cout << f(i, i) << "\n";
    }
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4956 KB Output is correct
4 Correct 0 ms 4956 KB Output is correct
5 Correct 1 ms 4956 KB Output is correct
6 Correct 1 ms 4956 KB Output is correct
7 Correct 1 ms 4956 KB Output is correct
8 Correct 1 ms 4952 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 20160 KB Output is correct
2 Correct 49 ms 20224 KB Output is correct
3 Correct 4 ms 19804 KB Output is correct
4 Correct 3 ms 19548 KB Output is correct
5 Correct 4 ms 19964 KB Output is correct
6 Correct 5 ms 19896 KB Output is correct
7 Correct 26 ms 19996 KB Output is correct
8 Correct 8 ms 20060 KB Output is correct

Subtask #3
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 20304 KB Output is correct
2 Correct 76 ms 20052 KB Output is correct
3 Correct 39 ms 19540 KB Output is correct
4 Correct 40 ms 20052 KB Output is correct
5 Correct 45 ms 19976 KB Output is correct
6 Correct 42 ms 20048 KB Output is correct
7 Correct 67 ms 20052 KB Output is correct
8 Correct 45 ms 20048 KB Output is correct