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Submission #741702

# Submission time Handle Problem Language Result Execution time Memory
741702 2023-05-14T15:14:10 Z mohav48173 Boarding Passes (BOI22_passes) C++14
5 / 100
 3 ms 596 KB 
#include<bits/stdc++.h>
using namespace std;
int main() {
    string s;cin>>s;
    int n=s.size();
    double ans=0;
    for(int i=0;i<n;i++) {
        ans+=((double)(min(i,n-i-1))/(double)2.0);
    }
    cout<<fixed<<setprecision(7);
    cout<<ans<<endl;
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 1 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 0 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 1 ms 212 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 1 ms 296 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 3 ms 492 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 3 ms 564 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 3 ms 596 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 3 ms 568 KB found '1249975000.0000000000', expected '1249975000.0000000000', error '0.0000000000'

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 1st numbers differ - expected: '1.0000000000', found: '3.0000000000', error = '2.0000000000'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB 1st numbers differ - expected: '1.0000000000', found: '3.0000000000', error = '2.0000000000'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 1 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 0 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 1 ms 212 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 1 ms 296 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 3 ms 492 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 3 ms 564 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 3 ms 596 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 3 ms 568 KB found '1249975000.0000000000', expected '1249975000.0000000000', error '0.0000000000'
10 Incorrect 1 ms 212 KB 1st numbers differ - expected: '1.0000000000', found: '3.0000000000', error = '2.0000000000'
11 Halted 0 ms 0 KB -