Solution to weight puzzle.

weight-problem.js

(function(){
  var w1,w2,w3,w4;
  //w1+w2+w3+w4 = 40;
  
  // applying a brute force approach
  for(w1=1;w1<40;w1++){
    
    for(w2=1;w1<40;w2++){
      
      for(w3=1;w3<40;w3++){
        
        for(w4=1;w3<40;w4++){
          
          // RMA to check
          // 1. for any of conditions get w1+w2+w3+w4 = 40;

          var sum = w1+w2+w3+w4;
          
          if(sum != 40){
            continue;
          }

          // we got the total sum as 40;
          // now get the sum of all the integers between 1 t0 40 using this integers
          var condition = true;
          while(condition){

            
          }

        }
      }
        
    }
      
  }
  
})():