Submission #947486

#	Time	Username	Problem	Language	Result	Execution time	Memory
947486		devkudawla	Journey (NOI18_journey)	C++17	20 / 100	159 ms	262144 KiB

journey

#include <bits/stdc++.h>
using namespace std;
#define int long long int
int n, m, h;
const int N = 10010, M = 410;
int dp[N + 1][M + 1];
vector<vector<pair<int, int>>> graph(N + 1);
int func(int i, int j) {
    if (i < 0 or j < 0) {
        return 0;
    }
    if (dp[i][j] != -1) {
        return dp[i][j];
    }
    int answer = 0;
    for (auto [child, weight] : graph[i]) {
        for (int wt = j - weight; wt >= 0; wt--) {
            answer += func(child, wt);
        }
    }
    return dp[i][j] = answer;
}
void solve(bool testCases = true) {
    int T = 1;
    if (testCases) cin >> T;
    while (T--) {
        cin >> n >> m >> h;
        memset(dp, -1, sizeof(dp));
        for (int i = 0; i < m; i++) {
            dp[0][0] = 0;
        }
        dp[0][0] = 1;
        for (int i = 0; i < n - 1; i++) {
            for (int j = 0; j < h; j++) {
                int a, b;
                cin >> a >> b;
                if (i > a) {
                    continue;
                }
                graph[a].push_back({i, b});
            }
        }
        for (int i = 0; i < m; i++) {
            cout << min(func(n - 1, i), 500000001LL);
            cout << " ";
        }
        cout << "\n";
    }
}
int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    solve(false);
    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 23
• Subtask 3: 0 / 26
• Subtask 4: 0 / 31