Submission #1129275

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129275		jackofall718	Island (NOI18_island)	C++20	100 / 100	360 ms	2760 KiB

island

#include <iostream>
using namespace std;
int cnt[200001], N, M, u;
int main(){
	cin >> N >> M;
	for(int i = 0; i < 2 * (N + M - 1); i++){
		cin >> u;
		if(cnt[u] > 0) cout << cnt[u] << " 1" << endl;
		cnt[u]++;
	}
	return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 20 / 20
• Subtask 3: 31 / 31
• Subtask 4: 42 / 42