Cod sursa(job #232002)
Utilizator | Vlad Schnakovszki shnako | Data | 14 decembrie 2008 16:26:23 |
---|---|---|---|
Problema | Cifra | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.51 kb |
#include <fstream.h>
ifstream f("cifra.in");
ofstream g("cifra.out");
long t, n, nn, i, j, x, s=0;
int main()
{
f>>t;
for (j=1;j<=t;j++)
{
s=0;
f>>nn;
for (i=1;i<=nn;i++)
{
x=i%10;
if (i%4==1||x==1||x==5||x==6)
s+=x;
if (i%4==0)
{
n=x*x*x*x;
s+=n%10;
}
if (i%4==2)
{
n=x*x;
s+=n%10;
}
if (i%4==3)
{
n=x*x*x;
s+=n%10;
}
if (s>=10)
s=s%10;
}
g<<s<<"\n";
}
f.close();
g.close();
return 0;
}