running time.cpp

/**
* H:\Dropbox\Code\running time.cpp
* Created on: 2015-02-19-01.39.02, Thursday
* Verdict: Not Solved
* Author: Enamul Hassan
**/

#include <bits/stdc++.h>
#define _ ios_base::sync_with_stdio(0);cin.tie(0);

#define sz 200005
#define pb(a) push_back(a)
#define pp pop_back()
#define all(a) a.begin(),a.end()
#define ll long long
#define fread freopen("input.txt","r",stdin)
#define fwrite freopen("output.txt","w",stdout)
#define inf (1e18)
#define chng(a,b) a^=b^=a^=b;
#define clr(abc,z) memset(abc,z,sizeof(abc))
#define PI acos(-1)
#define pi 3.14159265358979323846264338327950288419716939937510
#define fr(i,a,b) for(i=a;i<=b;i++)
#define print1(a)    cout<<a<<endl
#define print2(a,b) cout<<a<<" "<<b<<endl
#define print3(a,b,c) cout<<a<<" "<<b<<" "<<c<<endl
#define mod 1000000007
ll bigmod(ll sonkha,ll ghat,ll vag_const){ll vag_shesh=1;while(ghat>0){if(ghat%2==1){vag_shesh=(vag_shesh*sonkha)%vag_const;}ghat/=2;sonkha=(sonkha*sonkha)%vag_const;}return vag_shesh;}
ll inverse_mod(ll bivajok, ll vag_const){return bigmod(bivajok,vag_const-2, vag_const);}

using namespace std;

int main()
{
#ifdef ENAM
    	fread;
	fwrite;
#endif // ENAM
    int t, n=1000000, m, cas=1;
    _

	clock_t begin, end;
    double time_spent;

    begin = clock();
    /* here, do your time-consuming job */
    ///INPUT GENERATION
//    srand(time(NULL));
//
//    for (int i = 0; i<n; i++)
//        cout<<rand()<<endl;

    ///TEST 1

//    while(cin>>n)
//    {
//        m=0;
//        for (int i = 0; i<31; i++)
//            if(n&(1<<i)) m++;
//        cout<<m<<"\n";
//    }

    ///TEST 2

//    while(cin>>n)
//        cout<<__builtin_popcount(n)<<"\n";



    end = clock();
    time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
    cout<<"time spent = "<<time_spent;


   return 0;
}