//0 B //1 S //2 #include<stdio.h> int main(void) { int N,b,s,n; scanf("%d",&N); n = N%10; s = N/10%10; b = N/100%10; for (int i = 0; i<b; i++) printf("B"); for (int i = 0; i<s; i++) printf("S"); for (int i = 1; i<=n; i++) printf("%d",i); return 0; }
原文：http://www.cnblogs.com/sjdeak/p/4762493.html