you have an an integer n such that 1<=n<= 10^12, find the sum of all triagular numbers that are less than or equal n,
time limit: 1 second
sum of triangular numbers
you have an an integer n such that 1<=n<= 10^12, find the sum of all triagular numbers that are less than or equal n,
time limit: 1 second
Rev. | Язык | Кто | Когда | Δ | Комментарий | |
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en1 | Minimalistic | 2018-06-29 05:16:08 | 167 | Initial revision (published) |