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Submission #603939

# Submission time Handle Problem Language Result Execution time Memory
603939 2022-07-24T13:42:48 Z MohamedAhmed04 Boarding Passes (BOI22_passes) C++14
5 / 100
 1 ms 468 KB 
#include <bits/stdc++.h>

using namespace std ;

const int MAX = 1e5 + 10 ;

int arr[MAX] ;
int n ;

string s ;

long double calc(int x)
{
	long double sum = 0 ;
	for(int i = 0 ; i < x ; ++i)
		sum += 0.5 * i ;
	return sum ;
}

int main()
{
	ios_base::sync_with_stdio(0) ;
	cin.tie(0) ;
	cin>>s ;
	n = s.size() ;
	long double ans = calc(n/2) + calc((n+1) / 2) ;
	return cout<<fixed<<setprecision(12)<<ans<<"\n" , 0 ;
}

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 0 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 0 ms 212 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 1 ms 256 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 1 ms 468 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 1 ms 468 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 1 ms 468 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 1 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 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 0 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 0 ms 212 KB found '1.0000000000', expected '1.0000000000', error '0.0000000000'
5 Correct 1 ms 256 KB found '124002.0000000000', expected '124002.0000000000', error '0.0000000000'
6 Correct 1 ms 468 KB found '772893586.0000000000', expected '772893586.0000000000', error '0.0000000000'
7 Correct 1 ms 468 KB found '1100977812.5000000000', expected '1100977812.5000000000', error '0.0000000000'
8 Correct 1 ms 468 KB found '1249950000.5000000000', expected '1249950000.5000000000', error '0.0000000000'
9 Correct 1 ms 468 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 -