This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 100005;
double odds [2][N];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
for (int i = 0; i < n; i++) {
cin >> odds[0][i] >> odds[1][i];
}
sort(odds[0], odds[0] + n, greater<double>());
sort(odds[1], odds[1] + n, greater<double>());
double res = 0;
double val1 = 0;
int j = -1;
for (int i = 0; i < n; i++) {
double val2 = 0;
val1 += odds[0][i];
for (int j = 0; j < n; j++) {
val2 += odds[1][j];
res = max(res, min(val1, val2) - i - j- 2);
}
}
cout << fixed << setprecision(4) << res << "\n";
}
/*
4
1.4 3.7
1.2 2
1.6 1.4
1.9 1.5
*/
Compilation message (stderr)
sure.cpp: In function 'int main()':
sure.cpp:25:9: warning: unused variable 'j' [-Wunused-variable]
25 | int j = -1;
| ^
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