답안 #609687

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
609687	2022-07-27T19:19:13 Z	MasterTaster	Sure Bet (CEOI17_sure)	C++14	60 / 100	99 ms	3448 KB

sure

#include <bits/stdc++.h>

#define pb push_back
#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second
#define MAXN 100010
#define double long double

using namespace std;

int n;
double ress=0, a[MAXN], b[MAXN];

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    cin>>n;
    for (int i=0; i<n; i++) cin>>a[i]>>b[i];

    sort(a, a+n, greater<double>());
    sort(b, b+n, greater<double>());

    double aa=0, bb=0;
    int i=0, j=0;
    while (i<n || j<n)
    {
        if (i==n || bb<aa)
        {
            bb+=b[j++];
        }
        else if (j==n || aa<bb)
        {
            aa+=a[i++];
        }
        else if (aa==bb) { if (a[i]>=b[j]) aa+=a[i++]; else bb+=b[j++]; }

        aa--; bb--;
        ress=max(ress, min(aa, bb));
    }
    cout<<fixed<<setprecision(4)<<ress<<endl;
}

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	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct

Subtask #2

40.0 / 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	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	2 ms	340 KB	Output is correct
13	Correct	1 ms	360 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct

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	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	0 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	2 ms	340 KB	Output is correct
13	Correct	1 ms	360 KB	Output is correct
14	Correct	2 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	82 ms	3348 KB	Output is correct
18	Correct	89 ms	3444 KB	Output is correct
19	Correct	99 ms	3404 KB	Output is correct
20	Correct	82 ms	3336 KB	Output is correct
21	Incorrect	97 ms	3448 KB	Output isn't correct
22	Halted	0 ms	0 KB	-