#include <stdio.h> ?main(){ ?int a,b,c,m,n;?printf("請輸入一個3位正整數:"); ?scanf("%d",&n); ?a = n % 10;?b = (n/10)%10;? ?c = (n/100)%10; ?m = a*100+b*10+c;?printf("%d\n%",m); ?}
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