lightoj - 1008 - Fibsieve`s Fantabulous Birthday

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
    int t,ca;
    cin>>t;
    for(ca=1; ca<=t; ca++)
    {
        ll s,sq,c;
        cin>>s;
        sq=sqrt(s);
        if(sq*sq==s)
        {
            if(sq%2)
                cout<<"Case "<<ca<< ": "<<1<< " "<<sq<<endl;
            else
                cout<<"Case "<<ca<< ": "<<sq<< " "<<1<<endl;
        }
        else
        {
            if(sq%2==0)
            {
                ll r = sq+1;
                ll ind = r*r;

                if(s>=ind-r+1)
                {
                    c = ind - s + 1;
                }

                else
                {
                    c = sq+1;
                    ll Minus = ind - r + 1 - s;
                    r-= Minus;

                }
                cout<<"Case "<<ca<< ": "<<c<<" "<<r<<endl;
            }

            else
            {
                ll r, ind = (sq+1)*(sq+1);
                ll f = sq+1;
                if(s>=ind-f+1)
                {
                    c = f;
                    ll Plus = ind - s ;
                    r = Plus + 1;
                }
                else
                {
                    r = f;
                    ll q = ind - f + 1 - s ;
                    c = f - q;
                }
                cout<<"Case "<<ca<< ": "<<c<<" "<<r<<endl;
            }

        }
    }
}