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Submission #721748

# Submission time Handle Problem Language Result Execution time Memory
721748 2023-04-11T07:01:25 Z gagik_2007 Boarding Passes (BOI22_passes) C++17
0 / 100
 3 ms 468 KB 
#include <iostream>
#include <iomanip>
using namespace std;
int main(){	
  int n;	
  string s;
	cin>>s;
	n=s.size();
	double S=(n/2)*(n/2-1)+((n+1)/2)*((n+1)/2-1);
	cout<<setprecision(12)<<fixed;
	cout<<S/4.0<<endl;
}

Subtask #1
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 1 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 1 ms 300 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 212 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Incorrect 3 ms 468 KB 1st numbers differ - expected: '772893586.0000000000', found: '-300848238.0000000000', error = '1.3892492362'
7 Halted 0 ms 0 KB -

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 1 ms 212 KB found '0.0000000000', expected '0.0000000000', error '-0.0000000000'
3 Correct 1 ms 300 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 212 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Incorrect 3 ms 468 KB 1st numbers differ - expected: '772893586.0000000000', found: '-300848238.0000000000', error = '1.3892492362'
7 Halted 0 ms 0 KB -