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为什么不过,请教一下方法很笨,见笑!#include <iostream.h> int root(int ); void main() { int a; cin>>a; while(a){ cout<<root(a)<<endl; cin>>a; } } int root(int a) { if((a/10)==0) return a; else return root(a%10+a/10%10+a/100%10+a/1000%10+a/10000%10+a/100000%10+a/1000000%10+a/10000000%10+a/100000000%10+a/1000000000%10); } Followed by: Post your reply here: |
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