Submission #1367931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1367931		nathlol2	September (APIO24_september)	C++20	0 / 100	1 ms	344 KiB

september

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

int solve(int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) {
    vector<int> deg(N);
    for(int i = 1;i<N;i++){
        deg[F[i]]++;
    }
    int ans = 0;
    for(int i = 0;i<N - 1;i++){
        if(deg[S[0][i]] == 0){
            int u = S[0][i];
            while(F[u] != 0 && --deg[F[u]] == 0){
                u = F[u];
            }
        }
        bool f = 1;
        for(int j = 0;j<=i;j++) f &= (deg[S[0][j]] == 0); 
        if(f) ++ans;
    }
    return ans;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 14
• Subtask 3: 0 / 5
• Subtask 4: 0 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 11
• Subtask 7: 0 / 9
• Subtask 8: 0 / 11
• Subtask 9: 0 / 9
• Subtask 10: 0 / 16