oj.uz

Submission #950438

# Submission time Handle Problem Language Result Execution time Memory
950438 2024-03-20T10:09:48 Z Unforgettablepl Fireworks (APIO16_fireworks) C++17
19 / 100
 14 ms 1188 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

int DP[301][301];
vector<pair<int,int>> adj[301];
int n,m;

void dfs(int x,int p){
    if(x>n){
        iota(DP[x],DP[x]+301,0);
        return;
    }
    for(auto&i:adj[x])if(i.first!=p) {
        dfs(i.first, x);
        for(int j=0;j<=300;j++){
            int best = INT64_MAX;
            for(int y=0;y<=j;y++)best=min(best,DP[i.first][y]+abs(i.second+y-j));
            DP[x][j]+=best;
        }
    }
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> m;
    for(int i=2;i<=n+m;i++){
        int a,b;cin>>a>>b;
        adj[a].emplace_back(i,b);
        adj[i].emplace_back(a,b);
    }
    dfs(1,0);
    cout << *min_element(DP[1],DP[1]+301) << '\n';
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 4 ms 604 KB Output is correct
4 Correct 5 ms 604 KB Output is correct
5 Correct 6 ms 604 KB Output is correct
6 Correct 6 ms 604 KB Output is correct
7 Correct 7 ms 604 KB Output is correct
8 Correct 8 ms 860 KB Output is correct
9 Correct 9 ms 928 KB Output is correct
10 Correct 10 ms 856 KB Output is correct
11 Correct 11 ms 868 KB Output is correct
12 Correct 12 ms 860 KB Output is correct
13 Correct 13 ms 1116 KB Output is correct
14 Correct 14 ms 1112 KB Output is correct
15 Correct 14 ms 1116 KB Output is correct
16 Correct 14 ms 1048 KB Output is correct
17 Correct 14 ms 1116 KB Output is correct
18 Correct 14 ms 1188 KB Output is correct
19 Correct 14 ms 1112 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -