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31. Write the program to find the duplicate numbers and its count in an array.

Answer:

int a[]= {2,3,4,7,9,3,8,9,6,8,7,9};
int i=0;
int j=0;
int flag=0;
int n=12;
static int incr;
for (i=0;i {
for(j=0;j {
if (a[i]==a[j])
{
incr++;
if (incr>=2)
flag=1;
}
}
if (flag)
printf("\n %d is repeated %d times in this array", a[i],incr);
flag=0;
incr=0;

}

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