fork download
copy 
  1. #include <iostream>
  2. #include <math.h>
  3. #include <stdio.h>
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9.     int n;
  10.     int sum=0;
  11.     //cin>>n;
  12.     n = 5;
  13.     for(int i=1;i<=n;++i)
  14.     {
  15.         sum=sum+pow(i,3);
  16.         //sum = sum + int(pow(i, 3));
  17.         //sum = sum + trunc(pow(i, 3));
  18.         //sum = sum + round(pow(i, 3));
  19.         double anhyeuem = pow(i, 3);
  20.         //sum = sum + anhyeuem;
  21.         //sum = sum + int(anhyeuem);
  22.         int k = (int) anhyeuem;
  23.         cout <<i<<"^3 = " <<anhyeuem<<"   (1)"<<endl;
  24.         cout <<i<<"^3 = " <<k<<"   (2)"<<endl;
  25.         printf("%d^3 = %0.16lf   (3)\n", i, anhyeuem);
  26.  
  27.         if (anhyeuem == 124.999999999999995) cout << "\n\n\nhahaha1" << endl;
  28.         if (anhyeuem == 124.999999999999997) cout << "hahaha2" << endl;
  29.         if (anhyeuem == 125) cout << "hahaha3" << endl;
  30.  
  31.         double anhyeuem2 = 124.999999999999995;
  32.         if (anhyeuem == 125) cout << anhyeuem2<<endl;
  33.         if (anhyeuem == 125) printf("%0.16lf\n", anhyeuem2);
  34.  
  35.         cout << "Current total: " << sum << endl << endl;
  36.     }
  37.     cout << "\n---------------------\n";
  38.     cout << "1^3 = " << pow(1,3) << endl;
  39.     cout << "2^3 = " << pow(2,3) << endl;
  40.     cout << "3^3 = " << pow(3,3) << endl;
  41.     cout << "4^3 = " << pow(4,3) << endl;
  42.     cout << "5^3 = " << pow(5,3) << endl;
  43.     cout << "\n---------------------\n";
  44.     cout << "Sum = " << sum << endl;
  45.  
  46.     return 0;
  47. }
Success #stdin #stdout 0s 2688KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1^3 = 1   (1)
1^3 = 1   (2)
1^3 = 1.0000000000000000   (3)
Current total: 1

2^3 = 8   (1)
2^3 = 8   (2)
2^3 = 8.0000000000000000   (3)
Current total: 9

3^3 = 27   (1)
3^3 = 27   (2)
3^3 = 27.0000000000000000   (3)
Current total: 36

4^3 = 64   (1)
4^3 = 64   (2)
4^3 = 64.0000000000000000   (3)
Current total: 100

5^3 = 125   (1)
5^3 = 125   (2)
5^3 = 125.0000000000000000   (3)



hahaha1
hahaha2
hahaha3
125
125.0000000000000000
Current total: 225


---------------------
1^3 = 1
2^3 = 8
3^3 = 27
4^3 = 64
5^3 = 125

---------------------
Sum = 225
https://ideone.com/xi8GN9
language:
C++ 4.3.2 (gcc-4.3.2)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!