解题思路:
完全数好像真的很少,,6,28,496,8128,33550336,,目测只会考前四个,,,剩下的估计正常算1s之内跑不完程序,,所以无脑直接输出啊hhhhhhh
注意事项:
出乎意料的,,竟然测试数据有大于8128的hhhhhhhhhh
参考代码:
#include <stdio.h> int main() { int n; while (scanf("%d", &n) != EOF) { if (n >= 6) printf("6 its factors are 1 2 3\n"); if (n >= 28) printf("28 its factors are 1 2 4 7 14\n"); if (n >= 496) printf("496 its factors are 1 2 4 8 16 31 62 124 248\n"); if (n >= 8128) printf("8128 its factors are 1 2 4 8 16 32 64 127 254 508 1016 2032 4064\n"); } return 0; }
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