시간 제한 | 메모리 제한 | 제출 | 정답 | 맞힌 사람 | 정답 비율 |
---|---|---|---|---|---|
1 초 | 1024 MB | 766 | 682 | 656 | 90.234% |
In Emily’s country it is estimated that a person dies every 7 seconds, and a person is born every 4 seconds. Given a beginning population, estimate the population after a certain period of time.
The first line of input will contain a single integer n that indicates the number of lines to follow. Each line will consist of two integers, p and t, where p is the beginning population, and t is the amount of time that will pass. Both p and t will be between the number 1 and 2,000,000,000.
Output the estimated population after the period of time based on the above statistics.
3 12 14 530 200 4786 3543
13 552 5165