33-programare

#include<iostream>
#include<fstream>

 int prim(int a){
     int i,ok=0;
     if(a == 1)
        ok=1;
     for(i=2;i<=a/2 && ok == 0;i++)
        if(a % i == 0)
            ok=1;
     if(ok == 0)
        return 1;
     return 0;
}
int palindrom(int a){
    int x=0,y;
    y=a;
    while(a != 0){
        x=x+a%10;
        a=a/10;
    }
    if(x == y)
        return 1;
    return 0;
}

using namespace std;


int main(){
    ifstream f1("atestat.in");
    ofstream f2("atestat.out");
    int v[50][50],n,i,j,s=0,nr;
    f1>>n;
    for(i=1;i<=n;i++){
        nr=0;
        for(j=1;j<=n;j++){
            f1>>v[i][j];
            if( i < j && (i+j)>(n+1) )
                s=s+v[i][j];
            if(prim(v[i][j]) == 1 )
                nr++;
        }
        f2<<nr<<" ";
    }
    f2<<endl;
    if( palindrom(s) == 1 )
        f2<<"DA";
    else
        f2<<"NU";
}