제출 #1000665

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1000665	2024-06-18 06:38:00	fanwen	9월 (APIO24_september)	C++17	100 / 100	134 ms	14248 KiB

september

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#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
using namespace std;
// using namespace __gnu_pbds;
#define fi first
#define se second
#define REP(i, n) for (auto i = 0; i < (n); ++i)
#define FOR(i, a, b) for (auto i = (a); i <= (b); ++i)
#define FORD(i, a, b) for (auto i = (a); i >= (b); --i)
#define FORE(i, a, b) for (auto i = (a); i < (b); ++i)
#define MASK(x) (1LL << (x))
#define BIT(x, i) (((x) >> (i)) & 1)
#define ALL(x) (x).begin(), (x).end()
#define left ___left 
#define right ___right 
#define __builtin_popcount __builtin_popcountll
int solve(int N, int M, std::vector<int> F, std::vector<std::vector<int>> S) {
    int ans = 0, res = 0; 
    vector <vector <int>> adj(N);
    for (int i = 1; i < N; ++i) {
        adj[F[i]].emplace_back(i); 
    }
    vector <int> d(N); 
    int num_node = 0;
    function <void(int)> dfs = [&] (int u) -> void {
        if(d[u]) return; 
 
 
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컴파일 시 표준 에러 (stderr) 메시지

september.cpp: In function 'int solve(int, int, std::vector<int>, std::vector<std::vector<int> >)':
september.cpp:22:18: warning: unused variable 'res' [-Wunused-variable]
   22 |     int ans = 0, res = 0;
      |                  ^~~

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