Submission #1027318

# Submission time Handle Problem Language Result Execution time Memory
1027318 2024-07-19T03:37:03 Z vjudge1 Sure Bet (CEOI17_sure) C++17
100 / 100
70 ms 2012 KB
#include <bits/stdc++.h>
using namespace std;

const int buff = 100000;
const long double dick = 1.0;

long long A[100008], B[100008];

signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int n; long double x; cin >> n;
	cout << fixed << setprecision(4);
	for (int i = 1; i <= n; ++i) {
		cin >> x; A[i] = round(x * buff);
		cin >> x; B[i] = round(x * buff);
	}
	sort(A + 1, A + n + 1, greater<long long>()); sort(B + 1, B + n + 1, greater<long long>());
	for (int i = 1; i <= n; ++i) A[i] += A[i - 1];
	for (int i = 1; i <= n; ++i) B[i] += B[i - 1];
	int j; long double ans = 0;
	for (int i = 1; i <= n && A[i] <= B[n]; ++i) { // A[i] <= B[j]
		j = lower_bound(B + 1, B + n + 1, A[i]) - B;
		// cout << (A[i] * dick) / buff - i - j << '\n';
		ans = max(ans, (A[i] * dick) / buff - i - j);
	}
	for (int i = 1; i <= n && B[i] <= A[n]; ++i) { // B[i] <= A[j]
		j = lower_bound(A + 1, A + n + 1, B[i]) - A;
		ans = max(ans, (B[i] * dick) / buff - i - j);
		// cout << (B[i] * dick) / buff - i - j << '\n';
	} 
	cout << ans;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 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 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 57 ms 1876 KB Output is correct
18 Correct 70 ms 2012 KB Output is correct
19 Correct 63 ms 1896 KB Output is correct
20 Correct 50 ms 1924 KB Output is correct
21 Correct 59 ms 1876 KB Output is correct
22 Correct 55 ms 1876 KB Output is correct
23 Correct 68 ms 1872 KB Output is correct
24 Correct 62 ms 1820 KB Output is correct
25 Correct 64 ms 1872 KB Output is correct
26 Correct 59 ms 1876 KB Output is correct