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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.   int a, b, c;
  8.   int k = 100;
  9.  
  10.   // finds three natural numbers a, b, and c, 
  11.   // such that all of the following holds
  12.   // a) a < b < c
  13.   // b) a + b + c = 100
  14.   // c) a * b * c = 7680
  15.  
  16.   for (a = 1; a<100; a++)         // a cannot be more than 100
  17.     for (b = a+1; b<100; b++)     // constraints for b: a<b<100
  18.       for (c = b+1; c<100; c++)   // constraints for c: b<c<100
  19.         if ( ( a+b+c == 100 ) &&
  20.              ( a*b*c == 7680 ) )
  21. 	  {
  22. 	    // since we found it and we only wanted to find one such
  23. 	    // triple, we print it out and return 0 from main, termi-
  24. 	    // nating the execution of the program
  25.  
  26. 	    cout << a << " " << b << " " << c << endl; 
  27.  
  28. 	    return 0;
  29. 	  }
  30.  
  31.   // return 0 from main (this return statement is only reached
  32.   // if we fail to find the triple we're looking for)
  33.  
  34.   return 0;
  35. }
  36.  
Success #stdin #stdout 0.02s 2724KB
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https://ideone.com/PlkSa
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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