Submission #699175

#	Time	Username	Problem	Language	Result	Execution time	Memory
699175		GusterGoose27	Island (NOI18_island)	C++11	100 / 100	61 ms	5440 KiB

island

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 4e5;

int deg[MAXN];
int sub[MAXN];

int main() {
	ios_base::sync_with_stdio(false); cin.tie(NULL);
	int n, m; cin >> n >> m;
	n += m;
	for (int i = 0; i < n-1; i++) {
		int x, y; cin >> x >> y;
		deg[x-1]++;
		deg[y-1]++;
	}
	for (int i = 0; i < n; i++) {
		sub[deg[i]]++;
	}
	int num = n;
	for (int i = 1; i < n; i++) {
		num -= sub[i];
		if (num) cout << i << " " << num << "\n";
	}
}

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