Number expressed as sum of five consecutive integers | function to check if a number can be expressed as sum of five consecutive integers . ; if n is 0 ; if n is positive , increment loop by 1. ; if n is negative , decrement loop by 1. ; Running loop from 0 to n - 4 ; check if sum of five consecutive integer is equal to n . ; Driver Program
function checksum ( n ) { if ( n == 0 ) { document . write ( " " ) ; return ; } var inc ; if ( n > 0 ) inc = 1 ; else inc = - 1 ; for ( i = 0 ; i <= n - 4 ; i += inc ) { if ( i + i + 1 + i + 2 + i + 3 + i + 4 == n ) { document . write ( ( i ) + " " + ( i + 1 ) + " " + ( i + 2 ) + " " + ( i + 3 ) + " " + ( i + 4 ) ) ; return ; } } document . write ( " " ) ; } var n = 15 ; checksum ( n ) ;