# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
617163 |
2022-08-01T09:14:48 Z |
cfalas |
Sure Bet (CEOI17_sure) |
C++17 |
|
175 ms |
4368 KB |
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define ll long long
#define FORi(i,a,b) for(ll i=a;i<(ll)b;i++)
#define FOR(i,n) FORi(i,0,n)
#define FOA(v,a) for(auto v : a)
#define MID ((l+r)/2)
int n;
vector<double> a, b;
int main(){
cin>>n;
a.resize(n);
b.resize(n);
FOR(i,n) cin>>a[i]>>b[i];
sort(a.begin(), a.end(), [](double a, double b){return a>b;});
sort(b.begin(), b.end(), [](double a, double b){return a>b;});
double ans=0;
double sa=0;
double sb[n];
sb[0] = b[0];
FORi(i,1,n) sb[i] = sb[i-1] + b[i];
FOR(i,n){
sa+=a[i];
int nxt = lower_bound(sb, sb+n, sa)-sb;
if(nxt!=n+1)
ans = max(ans, min(sb[nxt]-i-1-nxt-1, sa-nxt-1-i-1));
if(nxt!=0){
nxt--;
ans = max(ans, min(sb[nxt]-i-1-nxt-1, sa-nxt-1-i-1));
}
}
cout<<fixed<<setprecision(4)<<ans<<endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
300 KB |
Output is correct |
12 |
Correct |
2 ms |
340 KB |
Output is correct |
13 |
Correct |
2 ms |
296 KB |
Output is correct |
14 |
Correct |
3 ms |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
212 KB |
Output is correct |
16 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
256 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
296 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
300 KB |
Output is correct |
12 |
Correct |
2 ms |
340 KB |
Output is correct |
13 |
Correct |
2 ms |
296 KB |
Output is correct |
14 |
Correct |
3 ms |
212 KB |
Output is correct |
15 |
Correct |
2 ms |
212 KB |
Output is correct |
16 |
Correct |
2 ms |
340 KB |
Output is correct |
17 |
Correct |
150 ms |
3992 KB |
Output is correct |
18 |
Correct |
149 ms |
4000 KB |
Output is correct |
19 |
Correct |
137 ms |
3996 KB |
Output is correct |
20 |
Correct |
171 ms |
4008 KB |
Output is correct |
21 |
Correct |
171 ms |
4272 KB |
Output is correct |
22 |
Correct |
142 ms |
4016 KB |
Output is correct |
23 |
Correct |
134 ms |
3888 KB |
Output is correct |
24 |
Correct |
146 ms |
4020 KB |
Output is correct |
25 |
Correct |
133 ms |
3996 KB |
Output is correct |
26 |
Correct |
175 ms |
4368 KB |
Output is correct |