Solution Of 1024 Number Problem with C ,, in Uri Online Judge

Problem Link : 

   https://www.urionlinejudge.com.br/judge/en/problems/view/1024




Solution :

#include <stdio.h>

#include <string.h>

int main()

{

    char str[1000],str1[1000];

    int i,k,j,n,m,l,T;

    scanf("%d",&T);

    getchar();

    while(T--) {

    gets(str);

    k = strlen(str);

    for(i=0;i<k;i++)

    {

        if((str[i]>='A' && str[i]<='Z') || (str[i]>='a'&& str[i]<='z'))

            str[i] = str[i] + 3;

    }

    n=0;

    for(j=k-1;j>=0;j--)

    {

        str1[n] = str[j];

        n++;

    }

    str1[n] = '\0';

    l = k/2;

    for(i=l;i<k;i++)

    {

        str1[i] =  str1[i] - 1;

    }

    printf("%s\n",str1);

    }

}