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Is there any test case my code can't handle? A little help plz. Here's my code : C: #include<stdio.h> #include<string.h> int i,len,num[15],step; char s[20][82]; void main(){ while(scanf("%s",&s[1])){ if(!strcmp(s[1],"-1")) break; len=strlen(s[1]); for(step=2;step<=16;step++){...

Never mind it. Found the bug.
Thanx anyway to those who tried to help me.