Submission #1098949

#	Time	Username	Problem	Language	Result	Execution time	Memory
1098949		ohad	Boarding Passes (BOI22_passes)	C++14	0 / 100	1 ms	344 KiB

passes

#include <iostream>
#include <vector>
#include <cmath>
#include <iomanip>
#include <stdio.h>
using namespace std;
typedef long double ld;

int main() {
	string a;
	cin >> a;
	int size = a.length();
	int l = 0;
	ld b = size / 2;
	ld c = (size + 1) / 2;
	ld x = (c * (c-1)) +(b*(b-1)) / ld(4);
	cout << fixed << setprecision(6) << x;
}

Compilation message (stderr)

passes.cpp: In function 'int main()':
passes.cpp:13:6: warning: unused variable 'l' [-Wunused-variable]
   13 |  int l = 0;
      |      ^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 25
• Subtask 3: 0 / 30
• Subtask 4: 0 / 40