oj.uz

Submission #234283

# Submission time Handle Problem Language Result Execution time Memory
234283 2020-05-23T18:27:24 Z nafis_shifat Sure Bet (CEOI17_sure) C++14
100 / 100
 197 ms 5600 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin>>n;
    
    vector<double> v1,v2;
    
    for(int i=0;i<n;i++) {
        double a,b;
        cin>>a>>b;
        v1.push_back(a);
        v2.push_back(b);
    }
    
    sort(v1.begin(),v1.end(),greater<double>());
    sort(v2.begin(),v2.end(),greater<double>());
    
    double s1[n],s2[n];
    s1[0]=v1[0];
    s2[0]=v2[0];
    for(int i=1;i<n;i++) {
        s1[i]=s1[i-1]+v1[i];
        s2[i]=s2[i-1]+v2[i];
    }
    
    
    
    
    
    double res=0;
    int ptr=0;
    for(int i=0;i<n;i++) {
        while(ptr+1<n && s1[i]>s2[ptr]) {
            int t=i+ptr+2;
            res=max(res,min(s1[i],s2[ptr])-t);
            ptr++;
        }
        int t=i+ptr+2;
        res=max(res,min(s1[i],s2[ptr])-t);
    }
    
    cout<<fixed<<setprecision(4);
    cout<<res<<endl;
    
    
    
    
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 7 ms 384 KB Output is correct
15 Correct 8 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 256 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 7 ms 384 KB Output is correct
15 Correct 8 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 185 ms 5088 KB Output is correct
18 Correct 175 ms 4960 KB Output is correct
19 Correct 172 ms 4960 KB Output is correct
20 Correct 175 ms 4960 KB Output is correct
21 Correct 197 ms 5600 KB Output is correct
22 Correct 173 ms 5092 KB Output is correct
23 Correct 177 ms 4960 KB Output is correct
24 Correct 177 ms 5092 KB Output is correct
25 Correct 175 ms 5116 KB Output is correct
26 Correct 195 ms 5432 KB Output is correct