#include <bits/stdc++.h>
#define int int64_t
using namespace std;
signed main() { // they may not be all connected!!!
cin.tie(0);
ios_base::sync_with_stdio(0);
int n; cin >> n;
vector<double> bets1(n);
vector<double> bets2(n);
for (int i = 0; i<n; i++) {
cin >> bets1[i] >> bets2[i];
}
sort (bets1.begin(), bets1.end());
sort (bets2.begin(), bets2.end());
reverse(bets1.begin(), bets1.end());
reverse(bets2.begin(), bets2.end());
vector<double> pfs1={0}, pfs2={0};
for (int i = 0; i<n; i++) {
pfs1.push_back(pfs1.back()+bets1[i]);
pfs2.push_back(pfs2.back()+bets2[i]);
}
double res = 0;
double p1 = 1;
double p2 = 1;
res = max(res, min(pfs1[p1]-p1-p2, pfs2[p2]-p1-p2));
while (p1 < n || p2<n) {
if (p1==n) p2++;
else if (p2==n) p1++;
else if (pfs1[p1] <= pfs2[p2]) p1++; // better heuristic?
else p2++;
res = max(res, min(pfs1[p1]-p1-p2, pfs2[p2]-p1-p2));
}
printf("%.4lf\n",(double)res);
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| 2 |
Correct |
1 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
1 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
204 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
90 ms |
3656 KB |
Output is correct |
| 18 |
Correct |
91 ms |
3760 KB |
Output is correct |
| 19 |
Correct |
91 ms |
3660 KB |
Output is correct |
| 20 |
Correct |
92 ms |
3640 KB |
Output is correct |
| 21 |
Correct |
98 ms |
3760 KB |
Output is correct |
| 22 |
Correct |
92 ms |
3656 KB |
Output is correct |
| 23 |
Correct |
92 ms |
3656 KB |
Output is correct |
| 24 |
Correct |
94 ms |
3640 KB |
Output is correct |
| 25 |
Correct |
92 ms |
3556 KB |
Output is correct |
| 26 |
Correct |
102 ms |
3760 KB |
Output is correct |
