oj.uz

답안 #860933

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
860933 2023-10-14T19:25:52 Z vjudge1 Sure Bet (CEOI17_sure) C++17
100 / 100
 112 ms 1992 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>

using namespace std;

bool srt(double a, double b) {
    return a > b;
}

int main() {
    int n, f = 0, s = 0;
    double fsum = 0, ssum = 0, res = 0;
    cin >> n;
    vector<double> a(n), b(n);
    for(int i = 0; i < n; i++) cin >> a[i] >> b[i];
    sort(a.begin(), a.end(), srt);
    sort(b.begin(), b.end(), srt);
    //Sa <= Sb
    while(f < n && s < n) {
        while(fsum <= ssum && f < n) {
            fsum+=a[f];
            f++;
            if(fsum <= ssum) {
                res = max(res, fsum-f-s);
            }
        }
        while(fsum > ssum && s < n) {
            ssum+=b[s];
            s++;
        }
        if(fsum <= ssum) res = max(res, fsum-f-s);
    }
    //Sb <= Sa
    f = 0, s = 0, fsum = 0, ssum = 0;
    while(f < n && s < n) {
        while(ssum <= fsum && s < n) {
            ssum+=b[s];
            s++;
            if(ssum <= fsum) res = max(res, ssum-f-s);
        }
        while(ssum > fsum && f < n) {
            fsum+=a[f];
            f++;
        }
        if(ssum <= fsum) res = max(res, ssum-f-s);
    }
    cout << fixed << setprecision(4) << res << "\n";
}

Subtask #1
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #2
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct

Subtask #3
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 106 ms 1992 KB Output is correct
18 Correct 97 ms 1880 KB Output is correct
19 Correct 98 ms 1880 KB Output is correct
20 Correct 98 ms 1880 KB Output is correct
21 Correct 109 ms 1988 KB Output is correct
22 Correct 100 ms 1884 KB Output is correct
23 Correct 112 ms 1884 KB Output is correct
24 Correct 98 ms 1880 KB Output is correct
25 Correct 98 ms 1984 KB Output is correct
26 Correct 110 ms 1992 KB Output is correct