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Submission #823755

# Submission time Handle Problem Language Result Execution time Memory
823755 2023-08-13T05:31:01 Z PoonYaPat Boarding Passes (BOI22_passes) C++14
5 / 100
 1 ms 468 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

ll ans,n;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    string s; cin>>s;
    n=s.size();
    if (n%2==0) ans=(n/2)*((n/2)-1);
    else ans=(n/2)*(n/2);

    if (ans%2==0) cout<<ans/2;
    else cout<<ans/2<<".5";
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 0 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 0 ms 212 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 0 ms 468 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 0 ms 468 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 0 ms 468 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 0 ms 468 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 212 KB found '100800.5000000000', expected '100800.5000000000', error '0.0000000000'
2 Correct 0 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 0 ms 212 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 0 ms 468 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 0 ms 468 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 0 ms 468 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 0 ms 468 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 -