제출 #219550

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
219550	2020-04-05 14:21:40	atoiz	조이터에서 친구를 만드는건 재밌어 (JOI20_joitter2)	C++14	17 / 100	5072 ms	81400 KiB

joitter2

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/*input
5 5
1 2
3 4
4 1
5 3
1 4
*/
#include <iostream>
#include <vector>
#include <algorithm>
#include <cassert>
#include <stack>
#include <unordered_set>
#include <unordered_map>
#include <ctime>
using namespace std;
const int MAXN = 100007;
int N, M;
int root[MAXN];
int64_t E = 0, cnt[MAXN], deg_in[MAXN], deg_out[MAXN];
unordered_map<int, unordered_set<int>> edges[MAXN];
unordered_set<int> back_edges[MAXN];
stack<pair<int, int>> join_stack;
void init()
 
 
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• Subtask 1: 1 / 1
• Subtask 2: 16 / 16
• Subtask 3: 0 / 83