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Submission #824019

# Submission time Handle Problem Language Result Execution time Memory
824019 2023-08-13T11:30:18 Z ttamx Boarding Passes (BOI22_passes) C++14
5 / 100
 1 ms 596 KB 
#include<bits/stdc++.h>

using namespace std;

typedef long double ld;

const int G=20;
const int N=1e5+5;

int n,g;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cout << fixed;
    string s;
    cin >> s;
    n=s.size();
    if(n%2==0){
        cout << 0.5l*(n/2)*(n/2-1);
    }else{
        cout << 0.5l*(1.l*(n/2)*(n/2-1)+(n/2));
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 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 1 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 1 ms 324 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 0 ms 212 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 1 ms 596 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 1 ms 596 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 1 ms 596 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 1 ms 596 KB found '1249975000.0000000000', expected '1249975000.0000000000', error '0.0000000000'

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 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 0 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 0 ms 212 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 1 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 1 ms 324 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 0 ms 212 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 1 ms 596 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 1 ms 596 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 1 ms 596 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 1 ms 596 KB found '1249975000.0000000000', expected '1249975000.0000000000', error '0.0000000000'
10 Incorrect 0 ms 212 KB 1st numbers differ - expected: '1.0000000000', found: '3.0000000000', error = '2.0000000000'
11 Halted 0 ms 0 KB -