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so,what can I do to get it better?

I'm sorry!
I should told you that the result I got is "time limit exceeded".

I don't konw what the problem is in my code. Can any one help me? :cry: #include<stdio.h> int lengh(long int); int main(void) { long int i,j,a; int k,c; while(1) { c=0; scanf("%ld %ld",&i,&j); if(i==0||j==0) break; if(i>j) { for(a=j;a<=i;a++) { k=lengh(a); if(k>c) c=k; } printf(&qu...