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Submission #491012

# Submission time Handle Problem Language Result Execution time Memory
491012 2021-11-30T03:43:22 Z hollwo_pelw Sure Bet (CEOI17_sure) C++17
60 / 100
 87 ms 3528 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 5;

// #define int long long
int n;
long double a[N], b[N], suma, sumb, res;

signed main() {
	cin.tie(0), cout.tie(0) -> sync_with_stdio(0);
	cin >> n;
	for (int i = 1; i <= n; i++) {
	    cin >> a[i] >> b[i];
	}
	sort(a + 1, a + n + 1, greater<long double>());
	sort(b + 1, b + n + 1, greater<long double>());
	
	int pa = 0, pb = 0;
	for (int i = 1; i <= 2 * n; i++) {
	    if (suma < sumb && pa < n)
	        suma += a[++ pa];
	    else
	        sumb += b[++ pb];
	    res = max(res, min(suma, sumb) - i);
	}
	cout << fixed << setprecision(4) << res;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 2 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 76 ms 3436 KB Output is correct
18 Correct 78 ms 3380 KB Output is correct
19 Correct 80 ms 3336 KB Output is correct
20 Correct 78 ms 3388 KB Output is correct
21 Incorrect 87 ms 3528 KB Output isn't correct
22 Halted 0 ms 0 KB -