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how to use matrix exponentiation in this problem ? ( help required in speeding up solution )
ive been trying to solve this problem since yesterday night . however i could only come up with an O(d*d*k) solution.
this however wont work due to Memory and time limits.
I also looked at one of the solved solutions by rajat1603 solution link
Could someone explain how matrix exponentiation could be used in these type of problems ?
help would be greatly appreciated :D
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en2 |
|
arun_prasad | 2017-02-01 06:12:56 | 57 | ||
| en1 |
|
arun_prasad | 2017-02-01 06:12:23 | 547 | Initial revision (published) |
