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#include <bits/stdc++.h>
using namespace std;
 
int main() {
	long long a=0;
	for(int i=0; i<1e9; ++i)
		a+=i^1;
	cout << a;
}

Success #stdin #stdout 0.63s 4360KB

stdin

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Standard input is empty

stdout

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499999999500000000

https://ideone.com/OKsgrV

language:

C++14 (gcc 8.3)

created:

visibility:

secret

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