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Submission #668168

# Submission time Handle Problem Language Result Execution time Memory
668168 2022-12-03T07:10:29 Z fatemetmhr Boarding Passes (BOI22_passes) C++17
5 / 100
 1 ms 596 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long   ll;
typedef long double ld;

#define all(x) x.begin(), x.end()
#define pb     push_back
#define fi     first
#define se     second

const int maxn5 = 3e5 + 10;
const ll  inf   = 1e18;

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

    string s; cin >> s;
    ll n = s.size();
    ll len1 = n / 2;
    ll len2 = len1 + n % 2;
    cout << setprecision(10) << fixed << ld(len1 * (len1 - 1) + len2 * (len2 - 1)) / 4 << endl;

}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 316 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 0 ms 320 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 1 ms 316 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 0 ms 320 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 1 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 588 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 1 ms 584 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 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 316 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 0 ms 320 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 1 ms 316 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
4 Correct 0 ms 320 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 1 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 588 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 1 ms 584 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 1 ms 212 KB 1st numbers differ - expected: '1.0000000000', found: '3.0000000000', error = '2.0000000000'
11 Halted 0 ms 0 KB -