#include <bits/stdc++.h>
using namespace std;
int TIME = clock();
#define file \
freopen("in.txt" , "r" , stdin); \
freopen("out.txt" , "w" , stdout);
void test_case () {
int n;
cin >> n;
priority_queue<long double> p[2];
for (int i = 0;i < n;i ++) {
long double a , b;
cin >> a >> b;
p[0].push(a);
p[1].push(b);
}
long double res = 0 , d[2] = {0 , 0};
for (int i = 1;i <= n * 2;i ++) {
if (p[0].size() == 0) {
d[1] += p[1].top();
p[1].pop();
} else if (p[1].size() == 0) {
d[0] += p[0].top();
p[0].pop();
} else if (d[0] <= d[1]) {
d[0] += p[0].top();
p[0].pop();
} else {
d[1] += p[1].top();
p[1].pop();
}
res = max(res , min(d[0] , d[1]) - i);
}
cout.precision(4);
cout << fixed << res << "\n";
}
int32_t main () {
/// file
int t = 1;
// cin >> t;
while (t --) {
test_case();
}
cerr << "\nTime elapsed: " << (clock() - TIME) * 1000.0 / CLOCKS_PER_SEC << " ms\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
504 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 |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
348 KB |
Output is correct |
15 |
Correct |
2 ms |
344 KB |
Output is correct |
16 |
Correct |
2 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
600 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
504 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 |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
348 KB |
Output is correct |
15 |
Correct |
2 ms |
344 KB |
Output is correct |
16 |
Correct |
2 ms |
344 KB |
Output is correct |
17 |
Correct |
126 ms |
5148 KB |
Output is correct |
18 |
Correct |
120 ms |
5132 KB |
Output is correct |
19 |
Correct |
122 ms |
5040 KB |
Output is correct |
20 |
Correct |
124 ms |
5044 KB |
Output is correct |
21 |
Correct |
133 ms |
5524 KB |
Output is correct |
22 |
Correct |
126 ms |
5040 KB |
Output is correct |
23 |
Correct |
123 ms |
5408 KB |
Output is correct |
24 |
Correct |
123 ms |
5040 KB |
Output is correct |
25 |
Correct |
121 ms |
5036 KB |
Output is correct |
26 |
Correct |
132 ms |
5372 KB |
Output is correct |