Submission #197403

# Submission time Handle Problem Language Result Execution time Memory
197403 2020-01-21T03:37:15 Z Juney Sure Bet (CEOI17_sure) C++14
100 / 100
106 ms 3756 KB
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e5 + 5;

int N;
double A[MAXN], B[MAXN], ans;

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	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>());
	int a = 0, b = 0;
	double sum1 = 0, sum2 = 0;
	for(int i=1; i<=2*N; i++) {
		if(a == N) sum2 += B[++b];
		else if(b == N) sum1 += A[++a];
		else {
			if(sum1 < sum2) sum1 += A[++a];
			else sum2 += B[++b];
		}
		ans = max(ans, min(sum1, sum2) - i);
	}
	printf("%.4lf", ans);
}
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 6 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 380 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 6 ms 376 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 380 KB Output is correct
17 Correct 98 ms 3292 KB Output is correct
18 Correct 97 ms 3440 KB Output is correct
19 Correct 97 ms 3320 KB Output is correct
20 Correct 97 ms 3320 KB Output is correct
21 Correct 104 ms 3756 KB Output is correct
22 Correct 96 ms 3320 KB Output is correct
23 Correct 96 ms 3320 KB Output is correct
24 Correct 95 ms 3448 KB Output is correct
25 Correct 97 ms 3320 KB Output is correct
26 Correct 106 ms 3704 KB Output is correct