Submission #289409

# Submission time Handle Problem Language Result Execution time Memory
289409 2020-09-02T16:00:40 Z johutha Sure Bet (CEOI17_sure) C++14
100 / 100
99 ms 3832 KB
#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>

#define int int64_t

using namespace std;

signed main()
{
  	ios_base::sync_with_stdio(0);
  	cin.tie(0);
  
	int n;
  	cin >> n;
  
  	vector<double> as(n);
  	vector<double> bs(n);
  
  	for (int i = 0; i < n; i++) cin >> as[i] >> bs[i];
  	sort(as.begin(), as.end()); sort(bs.begin(), bs.end());
  	reverse(as.begin(), as.end()); reverse(bs.begin(), bs.end());
  
  	double mx = 0;
  	double a = 0;
  	double b = 0;
  
	int ap = 0, bp = 0;
  	while (ap + bp < 2*n)
    {
      	if (a < b && ap >= n) break;
      	if (b < a && bp >= n) break;
      	if (a < b) { a += as[ap]; ap++; }
      	else { b += bs[bp]; bp++; }
      	mx = max(mx, min(a, b) - (double)(ap + bp));
    }

    cout << setprecision(4) << fixed;
    cout << mx << "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 92 ms 3320 KB Output is correct
18 Correct 93 ms 3320 KB Output is correct
19 Correct 92 ms 3320 KB Output is correct
20 Correct 94 ms 3324 KB Output is correct
21 Correct 98 ms 3832 KB Output is correct
22 Correct 97 ms 3224 KB Output is correct
23 Correct 96 ms 3320 KB Output is correct
24 Correct 92 ms 3352 KB Output is correct
25 Correct 92 ms 3320 KB Output is correct
26 Correct 99 ms 3704 KB Output is correct