Q6 - Write c++ a function named "enough" that takes one integer argument, call it "goal" and returns as its value the smallest positive integer n for which 1+2+3+. . . +n is at least equal to goal . cout<< enough(9) <

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Q6 - Write c++ a function named "enough" that takes one integer argument, call it "goal" and returns as its value the smallest positive integer n for which 1+2+3+. . . +n is at least equal to goal .

  • cout<< enough(9) <<endl; // will print 4 because 1+2+3+4 ­ 9 but 1+2+3<9
  • cout<< enough(21) <<endl;// will print 6 'cause 1+2+ . . .+6 ­ 21 but 1+2+ . . . 5<21
  • cout<< enough(-7) <<endl;// will print 1 because 1 ­ -7 and 1 is the smallest positive integer
  • cout<< enough(1) <<endl; // will print 1 because 1 ­ 1 and 1 is the smallest positive integer
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