摘要：1 #include <cstdio> 2 #include <queue> 3 #include <cstring> 4 #include <iostream> 5 #include <cstdlib> 6 #include <algorithm> 7 #include <vector> 8 #i 阅读全文

摘要：input T <=10 n k n<=1000 k<=10^18 a1,a2,...an |ai|<=10^18 output (a1^k+a2^k+...+an^k)%10^10+7 Sample Input 2 Sample Output 6 60074 做法：快速幂+__int128,需注意 阅读全文

摘要：input 样例个数T <=10000 每个样例一个n(2<=n<=10^8) output lcm(1,2,...,n)%2^32 Sample Input 5 10 5 200 15 20 Sample Output 2520 60 2300527488 360360 232792560做法：质 阅读全文