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HDU 1548 A strange lift (BFS)

题目链接：HDU 1548 Description There is a strange lift.The lift can stop can at every floor as you want, and there is a number Ki(0 <= Ki <= N) ...

2019-08-06

0 462

HDU 2266 How Many Equations Can You Find (DFS)

题目链接：HDU 2266 Description Now give you an string which only contains 0, 1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9.You are asked to add the sign ‘+’ or ’-’ betwee...

2019-08-06

0 493

POJ 3641 Pseudoprime numbers (数论+快速幂)

题目链接：POJ 3641 Description Fermat's theorem states that for any prime number p and for any integer a > 1, ap = a (mod p). That is, if we raise ...

2019-08-06

0 447

POJ-1995-Raising-Modulo-Numbers-快速幂

题目链接：POJ 1995 Description People are different. Some secretly read magazines full of interesting girls' pictures, others create an A-bomb in thei...

2019-08-06

0 587