Tuenti Contest 6 (Pablo Moreno)

/*
    Author: Pablo Moreno Olalla
    Email address: darthbrevu@yahoo.es
*/
#include <cstdio>
#include <string>
#include <sstream>
#include <iostream>

using namespace std;

unsigned long long leds[]={6,2,5,5,4,5,6,3,7,6};
unsigned long long accum[]={6,8,13,18,22,27,33,36,43,49};

unsigned long long times[]={36000,3600,600,60,10};

unsigned long long accum2[6];

inline void initA() {
    accum2[5]=accum[9]; //10s
    accum2[4]=6*accum2[5]+10*accum[5];  //1m
    accum2[3]=10*accum2[4]+60*accum[9]; //10m
    accum2[2]=6*accum2[3]+600*accum[5]; //1h
    accum2[1]=10*accum2[2]+3600*accum[9];   //10h
    accum2[0]=24*accum2[2]+accum[1]*36000+leds[2]*14400+accum[9]*7200+accum[3]*3600;
}

unsigned long long totalLeds(unsigned secs) {
    unsigned long long d=secs/86400;
    unsigned long long res=accum2[0]*d;
    secs%=86400;
    unsigned long long count;
    for (int i=0;i<5;++i)   {
        count=secs/times[i];
        secs%=times[i];
        res+=count*accum2[i+1]+leds[count]*(secs+1);
        if (count>0) res+=times[i]*accum[count-1];
    }
    return res+accum[secs];
}

int main(int argc,char **argv)  {
    //The first two lines are not strictly necessary, but make the code a little more handy.
    if (argc>=2) freopen(argv[1],"r",stdin);
    if (argc>=3) freopen(argv[2],"w",stdout);
    initA();
    string tmp;
    unsigned long long ull;
    do  {
        getline(cin,tmp);
        istringstream iss(tmp);
        iss>>ull;
        if (!iss.fail()) cout<<totalLeds(ull)<<endl;
    }   while (!cin.eof());
    return 0;
}