Submission #1515012


Source Code Expand

#include <bits/stdc++.h>
using namespace std;

constexpr int INF = 1e9;

using graph = vector<vector<int>>;

int N, K;

int dfs(int v, int prev, graph const& g, int& res) {
    int h = 0;
    for(auto to : g[v]) {
        h = max(h, dfs(to, v, g, res) + 1);
    }
    if(h == K - 1 && prev != 0 && v != 0) {
        res += 1;
        h = 0;
    }
    return h;
}

int main() {
    cin >> N >> K;
    graph g(N);
    int res = 0;
    for(int i = 0; i < N; ++i) {
        int a;
        cin >> a;
        a--;
        if(i == 0) {
            res += a != 0;
        } else {
            g[a].push_back(i);
        }
    }
    dfs(0, -1, g, res);
    cout << res << endl;
}

Submission Info

Submission Time
Task D - Teleporter
User Suibaka
Language C++14 (GCC 5.4.1)
Score 0
Code Size 709 Byte
Status WA
Exec Time 47 ms
Memory 13568 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 800
Status
AC × 3
AC × 33
WA × 25
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt
Case Name Status Exec Time Memory
0_00.txt AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
1_00.txt AC 1 ms 256 KB
1_01.txt AC 1 ms 256 KB
1_02.txt WA 44 ms 13568 KB
1_03.txt WA 45 ms 13568 KB
1_04.txt WA 45 ms 13568 KB
1_05.txt WA 47 ms 13568 KB
1_06.txt AC 45 ms 13568 KB
1_07.txt AC 47 ms 13568 KB
1_08.txt AC 47 ms 13568 KB
1_09.txt AC 45 ms 13568 KB
1_10.txt WA 43 ms 9600 KB
1_11.txt WA 44 ms 9600 KB
1_12.txt WA 44 ms 9600 KB
1_13.txt WA 41 ms 5760 KB
1_14.txt WA 41 ms 5760 KB
1_15.txt WA 41 ms 5760 KB
1_16.txt AC 30 ms 4348 KB
1_17.txt AC 29 ms 4348 KB
1_18.txt AC 29 ms 4348 KB
1_19.txt AC 19 ms 3196 KB
1_20.txt AC 18 ms 3196 KB
1_21.txt AC 18 ms 3196 KB
1_22.txt WA 39 ms 4096 KB
1_23.txt WA 40 ms 4096 KB
1_24.txt WA 40 ms 4096 KB
1_25.txt WA 39 ms 3584 KB
1_26.txt WA 39 ms 3584 KB
1_27.txt WA 39 ms 3584 KB
1_28.txt WA 32 ms 3328 KB
1_29.txt AC 32 ms 3328 KB
1_30.txt AC 32 ms 3328 KB
1_31.txt WA 41 ms 4224 KB
1_32.txt AC 41 ms 4224 KB
1_33.txt AC 41 ms 4224 KB
1_34.txt AC 41 ms 4224 KB
1_35.txt WA 42 ms 4480 KB
1_36.txt AC 42 ms 4480 KB
1_37.txt AC 40 ms 4480 KB
1_38.txt AC 42 ms 4480 KB
1_39.txt WA 43 ms 4608 KB
1_40.txt AC 42 ms 4608 KB
1_41.txt AC 42 ms 4608 KB
1_42.txt AC 42 ms 4608 KB
1_43.txt WA 42 ms 4992 KB
1_44.txt AC 42 ms 4992 KB
1_45.txt AC 42 ms 4992 KB
1_46.txt AC 42 ms 4992 KB
1_47.txt WA 43 ms 6912 KB
1_48.txt WA 41 ms 6912 KB
1_49.txt AC 43 ms 6912 KB
1_50.txt AC 43 ms 6912 KB
1_51.txt WA 43 ms 12032 KB
1_52.txt WA 46 ms 12032 KB
1_53.txt AC 45 ms 12032 KB
1_54.txt AC 44 ms 12032 KB