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Submission #701083

# Submission time Handle Problem Language Result Execution time Memory
701083 2023-02-20T04:05:13 Z Darren0724 Sure Bet (CEOI17_sure) C++17
100 / 100
 89 ms 5204 KB 
#include <bits/stdc++.h>
using namespace std;
#define double long double
#define all(x) x.begin(),x.end()
 
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;cin>>n;
	vector<double> a(n+1),b(n+1);
	for(int i=0;i<n;i++){
		cin>>a[i]>>b[i];
	}
	a[n]=0;
	b[n]=0;
	sort(all(a),greater<>());
	sort(all(b),greater<>());
	double total1=0,total2=0;
	int ptr1=0,ptr2=0;
	double ans=0;
	for(;ptr1<=n&&ptr2<=n;){
		if(total1<total2){
			total1+=a[ptr1++];
		}
		else{
			total2+=b[ptr2++];
		}
		total1-=1;
		total2-=1;
		ans=max(min(total1,total2),ans);
	}
	cout<<fixed<<setprecision(4)<<ans<<endl;

	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 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 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 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 316 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 320 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 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 78 ms 4724 KB Output is correct
18 Correct 84 ms 4720 KB Output is correct
19 Correct 85 ms 4724 KB Output is correct
20 Correct 80 ms 4740 KB Output is correct
21 Correct 89 ms 5196 KB Output is correct
22 Correct 79 ms 4720 KB Output is correct
23 Correct 80 ms 4856 KB Output is correct
24 Correct 86 ms 4824 KB Output is correct
25 Correct 85 ms 4824 KB Output is correct
26 Correct 87 ms 5204 KB Output is correct