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답안 #417237

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
417237 2021-06-03T13:47:36 Z lyc Worst Reporter 4 (JOI21_worst_reporter4) C++14
14 / 100
 115 ms 118212 KB 
#include <bits/stdc++.h>
using namespace std;

#define TRACE(x) cerr << #x << " :: " << x << endl
#define _ << " " <<
#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(),(x).end()
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define RFOR(i,a,b) for(int i=(a);i>=(b);--i)
typedef long long ll;

//const int mxN = 2e5+5;
const int mxN = 5e3+5;
const ll inf = 1e18;

int N, A[mxN], H[mxN], C[mxN];
vector<int> al[mxN];

ll dp[mxN][mxN];

void dfs(int u) {
    FOR(x,0,u) dp[u][x] = H[x] == H[u] ? 0 : C[u];
    for (int v : al[u]) {
        dfs(v);
        FOR(x,0,u){
            dp[u][x] += min(dp[v][x], H[x] <= H[v] ? dp[v][v] : inf);
        }
    }
}

int main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    cin >> N;
    FOR(i,1,N){
        cin >> A[i] >> H[i] >> C[i];
        if (i != 1) al[A[i]].push_back(i);
    }

    H[0] = 1;
    dfs(1);
    cout << min(dp[1][0], dp[1][1]) << '\n';
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 89 ms 117428 KB Output is correct
6 Correct 89 ms 117492 KB Output is correct
7 Correct 96 ms 117524 KB Output is correct
8 Correct 90 ms 117520 KB Output is correct
9 Correct 89 ms 117560 KB Output is correct
10 Correct 97 ms 117552 KB Output is correct
11 Correct 78 ms 117592 KB Output is correct
12 Correct 107 ms 118144 KB Output is correct
13 Correct 115 ms 118072 KB Output is correct
14 Correct 112 ms 117940 KB Output is correct
15 Correct 109 ms 117876 KB Output is correct
16 Correct 97 ms 117556 KB Output is correct
17 Correct 85 ms 117572 KB Output is correct
18 Correct 94 ms 117568 KB Output is correct
19 Correct 88 ms 117744 KB Output is correct
20 Correct 89 ms 117828 KB Output is correct
21 Correct 105 ms 117764 KB Output is correct
22 Correct 61 ms 117536 KB Output is correct
23 Correct 63 ms 117524 KB Output is correct
24 Correct 108 ms 117908 KB Output is correct
25 Correct 95 ms 117860 KB Output is correct
26 Correct 84 ms 118212 KB Output is correct
27 Correct 73 ms 117812 KB Output is correct
28 Correct 75 ms 117924 KB Output is correct
29 Correct 80 ms 117924 KB Output is correct
30 Correct 92 ms 117832 KB Output is correct
31 Correct 85 ms 117928 KB Output is correct

Subtask #2
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 89 ms 117428 KB Output is correct
6 Correct 89 ms 117492 KB Output is correct
7 Correct 96 ms 117524 KB Output is correct
8 Correct 90 ms 117520 KB Output is correct
9 Correct 89 ms 117560 KB Output is correct
10 Correct 97 ms 117552 KB Output is correct
11 Correct 78 ms 117592 KB Output is correct
12 Correct 107 ms 118144 KB Output is correct
13 Correct 115 ms 118072 KB Output is correct
14 Correct 112 ms 117940 KB Output is correct
15 Correct 109 ms 117876 KB Output is correct
16 Correct 97 ms 117556 KB Output is correct
17 Correct 85 ms 117572 KB Output is correct
18 Correct 94 ms 117568 KB Output is correct
19 Correct 88 ms 117744 KB Output is correct
20 Correct 89 ms 117828 KB Output is correct
21 Correct 105 ms 117764 KB Output is correct
22 Correct 61 ms 117536 KB Output is correct
23 Correct 63 ms 117524 KB Output is correct
24 Correct 108 ms 117908 KB Output is correct
25 Correct 95 ms 117860 KB Output is correct
26 Correct 84 ms 118212 KB Output is correct
27 Correct 73 ms 117812 KB Output is correct
28 Correct 75 ms 117924 KB Output is correct
29 Correct 80 ms 117924 KB Output is correct
30 Correct 92 ms 117832 KB Output is correct
31 Correct 85 ms 117928 KB Output is correct
32 Correct 87 ms 117556 KB Output is correct
33 Runtime error 87 ms 65868 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 89 ms 117428 KB Output is correct
6 Correct 89 ms 117492 KB Output is correct
7 Correct 96 ms 117524 KB Output is correct
8 Correct 90 ms 117520 KB Output is correct
9 Correct 89 ms 117560 KB Output is correct
10 Correct 97 ms 117552 KB Output is correct
11 Correct 78 ms 117592 KB Output is correct
12 Correct 107 ms 118144 KB Output is correct
13 Correct 115 ms 118072 KB Output is correct
14 Correct 112 ms 117940 KB Output is correct
15 Correct 109 ms 117876 KB Output is correct
16 Correct 97 ms 117556 KB Output is correct
17 Correct 85 ms 117572 KB Output is correct
18 Correct 94 ms 117568 KB Output is correct
19 Correct 88 ms 117744 KB Output is correct
20 Correct 89 ms 117828 KB Output is correct
21 Correct 105 ms 117764 KB Output is correct
22 Correct 61 ms 117536 KB Output is correct
23 Correct 63 ms 117524 KB Output is correct
24 Correct 108 ms 117908 KB Output is correct
25 Correct 95 ms 117860 KB Output is correct
26 Correct 84 ms 118212 KB Output is correct
27 Correct 73 ms 117812 KB Output is correct
28 Correct 75 ms 117924 KB Output is correct
29 Correct 80 ms 117924 KB Output is correct
30 Correct 92 ms 117832 KB Output is correct
31 Correct 85 ms 117928 KB Output is correct
32 Correct 87 ms 117556 KB Output is correct
33 Runtime error 87 ms 65868 KB Execution killed with signal 11
34 Halted 0 ms 0 KB -