11436 - Cubes EXTREME!/j.2.cpp

   1 #include<iostream>
   2 #include<math.h>
   3 #include <set>
   4
   5 using namespace std;
   6
   7 typedef unsigned long long ull;
   8
   9 set<ull> cubos;
  10
  11
  12
  13 int main(){
  14   ull n;
  15   for (ull i = 1; i < 2642246; ++i){
  16     cubos.insert(cubos.end(), i*i*i);
  17   }
  18   /*set<ull>::iterator i = cubos.end();
  19   --i;
  20   cout << (*i) << endl;*/
  21
  22   while(cin>>n &&n){
  23     set<ull>::iterator i = cubos.upper_bound(n);
  24     cout << "(*i) es: " << (*i) << endl;
  25     if (i != cubos.end()){
  26       set<ull>::iterator j = cubos.find((*i) - n);
  27       if (j != cubos.end()){
  28         cout << "(*j) es: " << (*j) << endl;
  29         cout << (ull)pow((*i), 1./3.) << " " << (ull)pow((*j), 1./3.) << endl;
  30       }else{
  31         cout << "No solution\n";
  32       }
  33     }else{
  34       cout<< "No solution\n";
  35     }
  36   }
  37 }