Submission #853616

# Submission time Handle Problem Language Result Execution time Memory
853616 2023-09-24T17:55:59 Z mbfibat Sure Bet (CEOI17_sure) C++17
100 / 100
63 ms 1996 KB
#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 11;
double a[N], b[N];

int main(int argc, char** argv) {
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);

	int n; cin >> n;
	for (int i = 1; i <= n; i++)
		cin >> a[i] >> b[i];
	sort(a + 1, a + 1 + n, greater<double>());
	sort(b + 1, b + 1 + n, greater<double>());

	double ans = 0.0;

	int pos_a = 1, pos_b = 1, cnt = 0;
	double sum_a = 0, sum_b = 0;
	while (1) {
		++cnt;
		if (sum_a < sum_b) {	
			if (pos_a > n) break;
			sum_a += a[pos_a++];
		} else if (sum_b < sum_a) {
			if (pos_b > n) break;
			sum_b += b[pos_b++];
		} else {
			if (sum_a > n || sum_b > n) break;
			sum_a += a[pos_a++];
		}
		double val = min(sum_a - cnt, sum_b - cnt);
		ans = max(ans, val);
	}

	cout << setprecision(4) << fixed << ans;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 600 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 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 600 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 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 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 1 ms 348 KB Output is correct
16 Correct 1 ms 552 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 600 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 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 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 1 ms 348 KB Output is correct
16 Correct 1 ms 552 KB Output is correct
17 Correct 59 ms 1876 KB Output is correct
18 Correct 58 ms 1948 KB Output is correct
19 Correct 57 ms 1768 KB Output is correct
20 Correct 57 ms 1872 KB Output is correct
21 Correct 59 ms 1876 KB Output is correct
22 Correct 57 ms 1876 KB Output is correct
23 Correct 63 ms 1828 KB Output is correct
24 Correct 57 ms 1780 KB Output is correct
25 Correct 57 ms 1876 KB Output is correct
26 Correct 62 ms 1996 KB Output is correct