Submission #2799669

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Source Code Expand

#include<iostream>
using namespace std;
int main() {
	ll N;
	cin >> N;
	cout << 2 * N << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:2: error: ‘ll’ was not declared in this scope
  ll N;
  ^
./Main.cpp:5:9: error: ‘N’ was not declared in this scope
  cin >> N;
         ^