Submission #1114996

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Source Code Expand

/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author Yulian
 */

#include <iostream>
#include <iostream>
#include <fstream>
#include <vector>
#include <set>
#include <cmath>
#include <queue>
#include <deque>
#include <string>
#include <algorithm>
#include <map>


#include <iostream>

#include <fstream>
#include <vector>
#include <set>
#include <cmath>
#include <queue>
#include <deque>
#include <string>
#include <algorithm>
#include <map>



int getTheAnswer() {
    return 42;
}

template< class InputIt>
void incAll(const InputIt &first, const InputIt &last){
  for(auto it = first; it != last; ++it){
    ++*it;
  }
}

template <class InputIt>
void printAll(const InputIt &first, const InputIt &last, std::ostream& out){
  for(InputIt it = first; it != last; ++it){
    out << *it << " ";
  }
}

// only for positive integers
int gcd(int a, int b){
  int tmp;
  if(a < b){
    tmp = a;
    a = b;
    b = tmp;
  }
  while(b != 0){
    tmp = a;
    a = b;
    b = tmp % b;
  }
  return a;
}

int lcm(int a, int b){
  return abs(a*b) / gcd(a, b);
}


using namespace std;
class TaskB {
public:
	void solve(std::istream& in, std::ostream& out) {
    ios::sync_with_stdio(false);
		long long int n, res;
		in >> n;
		res = 1;
		while(n > 1){
			res = (res * n--) % 1000000007;
		}
		out << res << endl;
	}
};


int main() {
	TaskB solver;
	std::istream& in(std::cin);
	std::ostream& out(std::cout);
	solver.solve(in, out);
	return 0;
}

Submission Info

Judge Result