답안 #504125

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
504125	2022-01-09T21:45:03 Z	t0nhou	Sure Bet (CEOI17_sure)	C++17	100 / 100	90 ms	3524 KB

sure

#include <bits/stdc++.h>
#define endl '\n'

using namespace std;

int main(){
    ios::sync_with_stdio(false); cin.tie(NULL);

    int n; cin >> n;

    vector<double> l(n), r(n);
    for(int i = 0; i < n; i++)
        cin >> l[i] >> r[i];

    sort(l.begin(), l.end()); sort(r.begin(), r.end());
    reverse(l.begin(), l.end()); reverse(r.begin(), r.end());

    int q1 = 1, q2 = 1;
    double s1 = l[0], s2 = r[0];
    double maior = max((double)0, min(s1 - 2, s2 - 2));

    while(true){
        if(s1 < s2){
            if(q1 >= n || l[q1] == 1) break;
            s1 += l[q1];
            q1++;
        }else{
            if(q2 >= n || r[q2] == 1) break;
            s2 += r[q2];
            q2++;
        }
        maior = max(maior, min(s1 - (q1+q2), s2 - (q1+q2)));
    }

    cout.precision(4);
    cout << fixed;

    cout << maior << endl;

    return 0;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	312 KB	Output is correct
4	Correct	0 ms	312 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct

Subtask #2

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	312 KB	Output is correct
4	Correct	0 ms	312 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	312 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	2 ms	320 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	2 ms	320 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct

Subtask #3

40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	312 KB	Output is correct
4	Correct	0 ms	312 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	312 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	2 ms	320 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	2 ms	320 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	71 ms	3140 KB	Output is correct
18	Correct	90 ms	3132 KB	Output is correct
19	Correct	68 ms	3132 KB	Output is correct
20	Correct	68 ms	3136 KB	Output is correct
21	Correct	75 ms	3524 KB	Output is correct
22	Correct	69 ms	3132 KB	Output is correct
23	Correct	72 ms	3140 KB	Output is correct
24	Correct	69 ms	3144 KB	Output is correct
25	Correct	74 ms	3140 KB	Output is correct
26	Correct	79 ms	3524 KB	Output is correct