Answer / md. mohaiminul islam

#include <stdio.h>
#include <conio.h>
void main(void)
{
int a[100];
int s,c;
int b=0;
clrscr ();
printf("type lage number of your serise:\n");
scanf("%d",&c);
printf("Plz type how many numbers you want to check:\n");
scanf("%d",&s);
printf("Type the numbers you want to check\n");
for (int i=0;i<s;i++)
scanf("%d",&a[i]);
for (int x=1;x<=c;x++)
{
for (int y=0;y<s;y++)
if (a[y]==x)
b++;
if (b>=2)
printf("Duplicate %d :(%d) time's\n",x,b);
if (b==0)
printf("%d is missing.\n",x);
b=0;
};
getch ();
}

i don't know about working of nested for loop can any one help me

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