답안 #553028

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
553028	2022-04-24T13:09:12 Z	Hanksburger	Sure Bet (CEOI17_sure)	C++17	20 / 100	1 ms	340 KB

sure

#include <bits/stdc++.h>
using namespace std;
int a[100005], b[100005], suma[100005], sumb[100005];
int f(int x, int y)
{
	return min(suma[x]-y*10000, sumb[y]-x*10000);
}
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n, ans=0;
	cin >> n;
	for (int i=1; i<=n; i++)
	{
		double x, y;
		cin >> x >> y;
		a[i]=x*10000.0-9999.9;
		b[i]=y*10000.0-9999.9;
	}
	sort(a+1, a+n+1, greater<int>());
	sort(b+1, b+n+1, greater<int>());
	for (int i=1; i<=n; i++)
		suma[i]=suma[i-1]+a[i];
	for (int i=1; i<=n; i++)
		sumb[i]=sumb[i-1]+b[i];
	for (int i=0; i<=n; i++)
	{
		int l=0, r=n;
		while (l<r)
		{
			int mid1=(l*2+r)/3, mid2=(l+r*2+1)/3;
			int res1=f(i, mid1), res2=f(i, mid2);
			if (res1>res2)
				r=mid2-1;
			else if (res1<res2)
				l=mid1+1;
			else
			{
				l=mid1;
				r=mid2-1;
			}
		}
		ans=max(ans, f(i, l));
	}
	cout << fixed << setprecision(4) << ans/10000.0;
	return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	328 KB	Output is correct
5	Correct	1 ms	296 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	328 KB	Output is correct
5	Correct	1 ms	296 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Incorrect	1 ms	340 KB	Output isn't correct
17	Halted	0 ms	0 KB	-

Subtask #3

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	328 KB	Output is correct
5	Correct	1 ms	296 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Incorrect	1 ms	340 KB	Output isn't correct
17	Halted	0 ms	0 KB	-