UVA Problem 12527 Solution – Different Digits

Problem Solving, UVa

 

 

#include<stdio.h>



int main()

{

int n,m,ro,a[20],num,i,j,digit,k,count;

while(scanf("%d %d",&n,&m)==2)

{

    ro=0;

    for(i=n;i<=m;i++)

    {

        num=i;

        digit=0;

        while(num>0)

        {

           a[digit++]=num%10;

            num/=10;

        }

        count=0;

        for(j=0;j<digit-1;j++)

        {

            for(k=j+1;k<digit;k++)

            {

                if(a[j]==a[k])

                {

                    count=1;

                    break;

                }

            }

           

        }

        if(count==0)

        {

            ro++;

        }

  

    }

   printf("%d\n",ro);

}

return 0;



}

 

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