Test1
#pragma GCC optimize("O2")
#include <bits/stdc++.h>
using namespace std;
int main(int argc, char const *argv[]) {
int t = clock();
int a = 1000000000,b = 1;
while(a) {
b <<= 1;
a--;
}
printf("%d ms\n",clock() - t);
return 0;
}
// 0 ms
var t;
t = new Date;
var a = 1000000000,
b = 1;
while(a) {
b <<= 1;
a--;
}
console.log(new Date - t + "ms");
// 915ms