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Submission #609731

# Submission time Handle Problem Language Result Execution time Memory
609731 2022-07-27T20:00:00 Z MasterTaster Sure Bet (CEOI17_sure) C++14
60 / 100
 80 ms 1996 KB 
#include <bits/stdc++.h>

#define pb push_back
#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second
#define MAXN 100010

using namespace std;

int n;
double ress=0, a[MAXN], b[MAXN];

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

    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 aa=0, bb=0;
    int i=0, j=0;
    while (i<n || j<n)
    {
        if (i==n || bb<=aa)
        {
            bb+=b[j++];
        }
        else if (j==n || aa<bb)
        {
            aa+=a[i++];
        }
        ress=max(ress, min(aa-i-j, bb-i-j));
    }
    cout<<fixed<<showpoint<<setprecision(4)<<ress<<endl;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 340 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 1 ms 324 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 328 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 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 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
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 328 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 212 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 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 66 ms 1896 KB Output is correct
18 Correct 80 ms 1936 KB Output is correct
19 Correct 69 ms 1980 KB Output is correct
20 Correct 65 ms 1952 KB Output is correct
21 Incorrect 72 ms 1996 KB Output isn't correct
22 Halted 0 ms 0 KB -