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Submission #515966

# Submission time Handle Problem Language Result Execution time Memory
515966 2022-01-20T08:18:01 Z Joo Journey (NOI18_journey) C++17
100 / 100
 47 ms 19712 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1e4+10;

int n, M, H, dp[N][410];
vector<pair<int, int>> G[N];

inline void add(int &a, int b){
    if(a + b >= 500'000'001) a = 500000001;
    else a += b;
}

int main(void){
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> M >> H;
    for(int i = 0; i < n-1; i++){
        for(int j = 0; j < H; j++){
            int v, mn; cin >> v >> mn;
            // assert(v > i);
            if(v > i)
                G[i].emplace_back(v, mn);
        }
    }

    dp[0][0] = 1;
    for(int u = 0; u < n-1; u++){
        for(int m = 1; m < M; m++){
            add(dp[u][m], dp[u][m-1]);
        }

        for(auto [v, mn] : G[u]){
            for(int m = 0; m+mn < M; m++){
                add(dp[v][m+mn], dp[u][m]);
            }
        }
    }

    for(int m = 0; m < M; m++) cout << dp[n-1][m] << " ";
    cout << "\n";


    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 0 ms 460 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 460 KB Output is correct
2 Correct 1 ms 544 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 460 KB Output is correct
4 Correct 1 ms 544 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 704 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 0 ms 460 KB Output is correct
3 Correct 0 ms 460 KB Output is correct
4 Correct 1 ms 544 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 1 ms 704 KB Output is correct
7 Correct 45 ms 19712 KB Output is correct
8 Correct 43 ms 12240 KB Output is correct
9 Correct 10 ms 1996 KB Output is correct
10 Correct 47 ms 3268 KB Output is correct