Lucky Number Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 294 Accepted Submission(s): 49 Problem Description “Ladies and Gentlemen, It’s show time! ” “A thief is a creative artist who ta…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1335 Problem Description The Really Neato Calculator Company, Inc. has recently hired your team to help design their Super Neato Model I calculator. As a computer scientist you suggested to the company t…
把全部合法的进制打出来会发现合法的进制都是在 n/3 n/4 n/5的边上 然后暴力边上的进制数.. #include <cstdio> #include <set> typedef long long ll; bool ok(ll x, ll y) { ll v; while (x > 0) { v = x % y; if (v != 3 && v != 4 && v != 5 && v != 6) return false;…
NPY and FFT Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 799 Accepted Submission(s): 492 Problem Description A boy named NPY is learning FFT algorithm now.In that algorithm,he needs to do…
Sky数 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 23808 Accepted Submission(s): 13510 Problem Description Sky从小喜欢奇特的东西,而且天生对数字特别敏感,一次偶然的机会,他发现了一个有趣的四位数2992,这个数,它的十进制数表示,其四位数字之和为2+9+9+2=22,…