제출 #1195615

#제출 시각아이디문제언어결과실행 시간메모리
1195615GoBananas699월 (APIO24_september)C++20
0 / 100
0 ms328 KiB
#include <algorithm> #include <iostream> #include <vector> #include "september.h" using namespace std; vector<vector<int>> adj; int solve(int n, int m, vector<int> F, vector<vector<int>> S) { adj.assign(n, {}); for (int i = 1; i<n; ++i) { adj[F[i]].push_back(i); } int k = 0; for (int i = 0; i<n - 1; ++i) { if (adj[S[0][i]].empty()) { ++k; } } return k; } // int main() { // int res = solve(3, 1, {-1, 0, 0}, {{1, 2}}); // cout << res << '\n'; // }
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