In celebration of the 4th of July, Aldo goes to an American buffet. In this buffet, there are different types of dishes. The -th plate fills a percentage of your stomach and gives you a percentage of happiness.
Aldo can eat a plate at the most once, because he wants variety, and he wants to achieve 100% happiness without going over 100% full. Help Aldo determine the maximum number of dishes he can eat while satisfying his restrictions.
Notes:
It is valid to exceed 100% happiness, but not 100% fullness. It is guaranteed that Aldo can always reach 100% happiness.
Input : The first line contains an integer, the number of dishes. The following lines contain 2 integers each, and the percentages of fullness and happiness that they cause, respectively.
Example input :
- 3
- 60 50
- 30 50
- 50 60
Answer : 2
- 2
- 100 20
- 100 100
Answer : 1
Please, i need at least a hint. I tried to solve it solo but i can't.
