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Cod sursa(job #864509)
#include <fstream>
#include <cmath>
#include <cstring>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
long s,n,i,c[1000];
struct a
{
char a[1000];
} b[1000];
int main()
{
f>>n;
f.get();
while (f.getline(b[i].a,300)) i++;
int j=0,k;
for (i=0; i<n; i++)
{
k=strlen(b[i].a);
j=0;
while (k!=0)
{
c[i]+=(int(b[i].a[j])-48)*pow(10,k-1); k--; j++;
}
}
for (i=0;i<n;i++)
{ s=0;
{
for (j=1;j<=c[i];j++)
s+=pow(j,j);
}
g<<s%10<<endl;
}
return 0;
}