Submission #1565075

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Source Code Expand

#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "string"
#include "map"
#include "iomanip"
#include "random"

using namespace std;

const long long int MOD = 1000000007;
const long double EPS = 0.00000001;
const long double PI = 3.1415926535897932384626433;

long long int N, M, K, L, R, H, W;


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

	cin >> N;
	cout<< setprecision(20)<< (long double)1080 / (long double)(N-1) << endl;
	return 0;
}

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