# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
468670 |
2021-08-29T09:44:28 Z |
paga2004 |
Sure Bet (CEOI17_sure) |
C++14 |
|
99 ms |
4716 KB |
#include <bits/stdc++.h>
#define int long long
using namespace std;
#ifdef LOCAL
#define dbg(x) cerr << x << "\n";
#else
#define dbg(x)
#endif
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<double> a(n), b(n), prefixa(n), prefixb(n);
for (int i = 0; i < n; i++) {
cin >> a[i] >> b[i];
}
sort(a.begin(), a.end());
sort(b.begin(), b.end());
reverse(a.begin(), a.end());
reverse(b.begin(), b.end());
prefixa[0] = a[0];
prefixb[0] = b[0];
for (int i = 1; i < n; i++) {
prefixa[i] = prefixa[i - 1] + a[i];
prefixb[i] = prefixb[i - 1] + b[i];
}
double best = 0;
int pa = 0;
int pb = 0;
while (pa < n && pb < n) {
double profita = prefixa[pa] - pa - pb - 2;
double profitb = prefixb[pb] - pa - pb - 2;
dbg(profita);
dbg(profitb);
best = max(min(profita, profitb), best);
if (profita < profitb) {
pa++;
} else {
pb++;
}
}
printf("%.4lf\n", (double)best);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
312 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 |
2 ms |
332 KB |
Output is correct |
13 |
Correct |
2 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
2 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
312 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 |
2 ms |
332 KB |
Output is correct |
13 |
Correct |
2 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
2 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
90 ms |
4716 KB |
Output is correct |
18 |
Correct |
88 ms |
4080 KB |
Output is correct |
19 |
Correct |
90 ms |
4196 KB |
Output is correct |
20 |
Correct |
99 ms |
4164 KB |
Output is correct |
21 |
Correct |
95 ms |
4192 KB |
Output is correct |
22 |
Correct |
88 ms |
4088 KB |
Output is correct |
23 |
Correct |
93 ms |
4164 KB |
Output is correct |
24 |
Correct |
88 ms |
4076 KB |
Output is correct |
25 |
Correct |
90 ms |
4084 KB |
Output is correct |
26 |
Correct |
97 ms |
4172 KB |
Output is correct |