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I created a problem, which I can't solve. Can anyone give answers? Thx :)
Time limit : 2s Given x, y, how many numbers can be represented as a * b, which 1 <= a <= x and 1 <= b <= y? (1 <= x, y <= 2e5)
Sample Input 2 5
Sample Output 8
Explanation Among 1 to 10, only 7 and 9 can't be written as a * b.
