Cod sursa(job #1540419)
Utilizator | Stefan Dascalescu stefdascalescu | Data | 2 decembrie 2015 19:29:46 |
---|---|---|---|
Problema | Cifra | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 1.28 kb |
#include<cstring>
#include<fstream>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
int t,i,nr,v[102];
char c[102];
int main()
{
f>>t;
for(i=1;i<=20;++i)
{
if(i%10==1 || i%10==5 || i%10==6 || i%10==0 || i%10==9)
v[i]=(v[i-1]+i%10)%10;
else
{
if(i%10==4)
v[i]=(v[i-1]+6)%10;
else
if(i%10==2 || i%10==8)
if(i%4==2)
v[i]=(v[i-1]+4)%10;
else
v[i]=(v[i-1]+6)%10;
else
if(i%10==3)
if(i%4==3)
v[i]=(v[i-1]+7)%10;
else
v[i]=(v[i-1]+3)%10;
else
if(i%4==3)
v[i]=(v[i-1]+3)%10;
else
v[i]=(v[i-1]+7)%10;
}
}
for(i=1;i<=t;++i)
{
f>>c;
f.get();
if(strlen(c)==1)
nr=(c[0]-'0');
else
nr=10*(c[0]-'0')+(c[1]-'0');
nr=nr%20;
if(nr==0)
nr=20;
g<<v[nr]<<'\n';
}
return 0;
}