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Submission #607418

# Submission time Handle Problem Language Result Execution time Memory
607418 2022-07-26T16:59:58 Z UncoolAnon Sure Bet (CEOI17_sure) C++14
60 / 100
 2000 ms 2752 KB 
#include <bits/stdc++.h> 
using namespace std; 
int main(){
	int n; 
	cin>>n; 
	vector<double> a(n),b(n); 
	for(int i=0;i<n;i++) cin>>a[i]>>b[i]; 
	double answer=0; 
	vector<int> A,B; 
	double curA=0,num=0;  
	for(int i=0;i<n;i++){
		if(a[i]<1&&b[i]<1){}
		else{
			A.push_back(i); 
			B.push_back(i); 
		}
	}
	sort(A.begin(),A.end(),[&](int i,int j){
		if(a[i]==a[j]) return b[i]>b[j]; 
		return a[i]>a[j]; 
	}); 
	sort(B.begin(),B.end(),[&](int i,int j){
		if(b[i]==b[j]) return a[i]>a[j]; 
		return b[i]>b[j]; 
	}); 
	for(int&i:A){
		++num; 
		curA+=a[i]; 
		double curB=0; 
		for(int&j:B){
			curB+=b[j]; 
			++num;
			answer=max(answer,min(curB,curA)-num); 
		}
		num-=B.size(); 
	}
 printf("%.4lf",(double)answer);	return 0; 
}

Subtask #1
20.0 / 20.0

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

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 212 KB Output is correct
12 Correct 3 ms 212 KB Output is correct
13 Correct 3 ms 312 KB Output is correct
14 Correct 3 ms 212 KB Output is correct
15 Correct 3 ms 212 KB Output is correct
16 Correct 3 ms 212 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 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 212 KB Output is correct
12 Correct 3 ms 212 KB Output is correct
13 Correct 3 ms 312 KB Output is correct
14 Correct 3 ms 212 KB Output is correct
15 Correct 3 ms 212 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Execution timed out 2093 ms 2752 KB Time limit exceeded
18 Halted 0 ms 0 KB -