URI Online Judge | 2808 Knights Again solution in c

 

uri 2808 solution in c

by ujjal roy

#include<stdio.h>

main()

{

   char s1[10],s2[10];

    scanf("%s%s",s1,s2);

   int l1,l2;

   l1=abs(s1[0]-s2[0]);

   l2=abs(s1[1]-s2[1]);

   if((l1==2&&l2==1)||(l1==1&&l2==2)) printf("VALIDO\n");

    else printf("INVALIDO\n");

    return 0;

}