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RT. 當展開數比基數小的時候返回. ?1 #include?<stdio.h>
?2
?3//?得到整數u的以基數n的展開式
?4void?f(unsigned?int?u,?unsigned?int?n)
?5   {
?6 ????if?(u?<?n)
?7  ????{
?8????????return;
?9 ????}
10????unsigned?int?i,?k;
11
12????printf("%d?=?",?u);
13????k?=?0;
14????while?(u)
15????{
16????????i?=?u?%?n;
17????????if?(i)
18????????{
19????????????if?(!k)
20????????????{
21????????????????printf("%d*%d^%d",?i,?n,?k);
22????????????}
23????????????else
24????????????{
25????????????????printf("?+?%d*%d^%d",?i,?n,?k);
26????????????}
27????????}
28????????
29????????u?=?u?/?n;
30????????k?+=?1;
31????}
32 }
33
34int?main()
35{
36????f(165,?8);
37????return?0;
38}
39
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