Codeforces Solution of 112A - Petya and Strings in C

Hi friends, I am going to post the solve of the problem '112A - Petya and Strings' of Codeforces.
The problem screenshot is given below:

Code:
/// OmShantihari /// Author: Sujan Mridha /// CSE, University of Barishal#include<stdio.h>#include<string.h>int main() { int x, i,o,l; x=0; char a[200],b[200]; scanf("%s %s",&a,&b); l=strlen(a); for (i=0;i<l;i++) { o=a[i]-b[i]; if (o!=0 && o!=32 && o!=-32) { if (a[i]<='z' && b[i]<='z' && a[i]>='a' && b[i]>='a') { if (a[i]>b[i]) { x=1; break; } else { x=-1; break; } } if (a[i]<='Z' && b[i]<='Z' && a[i]>='A' && b[i]>='A') { if (a[i]>b[i]) { x=1; break; } else { x=-1; break; } } if (a[i]<='Z' && a[i]>='A' && b[i]<='z' && b[i]>='a') { if (a[i]+32>b[i]) { x=1; break; } else { x=-1; break; } } if (a[i]<='z' && a[i]>='a' && b[i]<='Z' && b[i]>='A') { if (a[i]-32>b[i]) { x=1; break; } else { x=-1; break; } } } } printf("%d\n",x); return 0; }