/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 1e6+100, M = 1e5+10, K = 20;
int n;
double a[N], b[N];
void solve(){
cin >> n;
for(int i = 0; i < n; ++i) cin >> a[i] >> b[i];
sort(a, a+n, greater<double>());
sort(b, b+n, greater<double>());
double best = 0, x = 0, y = 0, s = 0;
int j = 0;
for(int i = 0; i < n; ++i){
x += a[i];
s += 1;
while(j < n && min(x, y + b[j]) - s - 1 >= min(x, y) - s){
y += b[j];
s += 1;
best = max(best, min(x, y) - s);
j++;
}
best = max(best, min(x, y) - s);
}
cout << best;
}
int main(){
cin.tie(0); ios::sync_with_stdio(0);
int T = 1, aa;
// cin >> T;aa=T;
while(T--){
// cout << "Case #" << aa-T << ": ";
solve();
cout << '\n';
}
return 0;
}
Compilation message
sure.cpp: In function 'int main()':
sure.cpp:39:14: warning: unused variable 'aa' [-Wunused-variable]
39 | int T = 1, aa;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |