답안 #865294

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
865294	2023-10-24T07:11:47 Z	vjudge1	Sure Bet (CEOI17_sure)	C++17	60 / 100	2000 ms	4948 KB

sure

#include <bits/stdc++.h>
 
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define optimus_prime ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define fxd(x) fixed << setprecision(x)
#define all(a) (a.begin() , a.end())
#define popcount(x) __builtin_popcount(x)
#define lwb lower_bound
#define upb upper_bound
#define dl long double
#define ll long long
#define pb push_back
#define sz() size()
#define F first
#define S second
 
using namespace std;
 
const ll N = 2e5+9;

ll n;
dl a[N] , b[N] , ans;

void solve(){
	cin >> n;
	for (int i = 1 ; i <= n ; i++)cin >> a[i] >> b[i];
	sort (a+1 , a+1+n);
	sort (b+1 , b+1+n);
	reverse (a+1 , a+1+n);
	reverse (b+1 , b+1+n);
	for (int i = 1 ; i <= 2*n ; i++){
		dl sum1=0 , sum2=0;
		ll ind1=1 , ind2=1 , cnt=i;
		while (sum1<i&&cnt){
			sum1+=a[ind1++];
			cnt--;
		}
		while (sum2<i&&cnt){
			sum2+=(b[ind2++]);
			cnt--;
		}
		while (cnt){
			cnt--;
			if (ind1>n){
				sum2+=b[ind2];
				ind2++;
				continue;
			}
			if (ind2>n){
				sum1+=a[ind1];
				ind1++;
				continue;
			}
			if (sum1<sum2)sum1+=a[ind1++];
			else if (sum1>sum2)sum2+=b[ind2++];
			else {
				if (a[ind1]>b[ind2])sum1+=a[ind1++];
				else sum2+=(b[ind2++]);
			}
		}
		sum1-=i;
		sum2-=i;
		ans=max(ans , min(sum1 , sum2));
	}
	cout << fxd(4) << ans;
}
	
signed main() {
	optimus_prime;
	solve();
return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct

Subtask #2

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	5 ms	2392 KB	Output is correct
13	Correct	5 ms	2396 KB	Output is correct
14	Correct	6 ms	2392 KB	Output is correct
15	Correct	7 ms	2548 KB	Output is correct
16	Correct	6 ms	2392 KB	Output is correct

Subtask #3

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	1 ms	2392 KB	Output is correct
5	Correct	1 ms	2396 KB	Output is correct
6	Correct	1 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	1 ms	2396 KB	Output is correct
9	Correct	1 ms	2396 KB	Output is correct
10	Correct	1 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	5 ms	2392 KB	Output is correct
13	Correct	5 ms	2396 KB	Output is correct
14	Correct	6 ms	2392 KB	Output is correct
15	Correct	7 ms	2548 KB	Output is correct
16	Correct	6 ms	2392 KB	Output is correct
17	Execution timed out	2045 ms	4948 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-