Može li mi netko reči zašto mi ovaj kod nije točan:
#include <cstdlib>
#include <iostream>
using namespace std;
int main()
{
int a,b,c,r=0,i,k=0;
cin>>a;
cin>>b;
cin>>c;
for(i=1; i<=a; ){
k=r;
r=i+i;
r=r+k;
i++;
}
for(i=1; i<=b; ){
k=r;
r=i+i;
r=r+k;
i++;
}
for(i=1; i<=c; ){
k=r;
r=i+i;
r=r+k;
i++;
}
cout<<endl;
cout<<r<<endl;
system("PAUSE");
return 0;
}

HUGE RESPECT: woodgamesfx, captain_soap_McTawish, rustweaver, royalhero, tracerCPP,Indestructible
