Assign unique random integers in an array (C) -

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im struggling long, can fill array random numbers not unique. can't spot problem in code :( can me? thanks

int getuniquenumber(int *p, int i) {     int x,j,found;         {         x=rand()%100000 + 1;         found=0;         j=0;         while(j<=i && found==0)         {             if(p[i]==x)                 found=1;             else                 j++;         }     } while(found==1);     return x; }

p[i] == x should p[j] == x.


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