Submission #52687

# Submission time Handle Problem Language Result Execution time Memory
52687 2018-06-26T11:15:23 Z snat123 Sure Bet (CEOI17_sure) C++14
100 / 100
189 ms 2208 KB
#include<bits/stdc++.h>
 
using namespace std;
 
double a[100001], b[100001];
 
int main(){
	//ios_base::sync_with_stdio(false);
	//cin.tie(NULL);
	//ifstream cin;
	//ofstream cout;
	//cin.open("input.txt");
	//cout.open("output.txt");
    int n;
    cin >> n;
    for(int i=0; i<n; i++) cin >> a[i] >> b[i];
    sort(a, a+n);
	sort(b, b+n);
	int i=n-1, j=n-1, li=-1, lj=-1;
	double x=0.0, y=0.0, res=0.0;
	while(i>=0 || j>=0){
		if(i==li && lj==j) return 0;
		li=i;
		lj=j;
		if(j>=0 && x>y) y+=b[j--];
		else if(i>=0 )x+=a[i--];
		else break;
		res=max(res, min(x, y)-(n-i)-(n-j)+2);
		//cout << i << " " << j << endl;
	}
	cout << fixed << setprecision(4) << res;
	//cin.close();
	//cout.close();
    return 0;
} 
# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 360 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 360 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 544 KB Output is correct
9 Correct 2 ms 544 KB Output is correct
10 Correct 2 ms 544 KB Output is correct
11 Correct 2 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 3 ms 620 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 5 ms 620 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 344 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 360 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 2 ms 488 KB Output is correct
6 Correct 2 ms 488 KB Output is correct
7 Correct 2 ms 544 KB Output is correct
8 Correct 2 ms 544 KB Output is correct
9 Correct 2 ms 544 KB Output is correct
10 Correct 2 ms 544 KB Output is correct
11 Correct 2 ms 620 KB Output is correct
12 Correct 3 ms 620 KB Output is correct
13 Correct 3 ms 620 KB Output is correct
14 Correct 3 ms 620 KB Output is correct
15 Correct 3 ms 620 KB Output is correct
16 Correct 5 ms 620 KB Output is correct
17 Correct 149 ms 2096 KB Output is correct
18 Correct 165 ms 2172 KB Output is correct
19 Correct 161 ms 2172 KB Output is correct
20 Correct 186 ms 2172 KB Output is correct
21 Correct 189 ms 2184 KB Output is correct
22 Correct 151 ms 2184 KB Output is correct
23 Correct 149 ms 2208 KB Output is correct
24 Correct 149 ms 2208 KB Output is correct
25 Correct 151 ms 2208 KB Output is correct
26 Correct 182 ms 2208 KB Output is correct