try yourself |run program

#include <stdio.h> 
#include <conio.h> 
void main(){
 int arr[]={10,20,30,20,10,50,20};
  int i;
 clrscr();
 printf("\n This is 1-d array program.");
 for(i=0;i<7;i++){
 printf("\n value of arr[%d] = %d",i,arr[i]);
 }
 getch();
}

Program Output

This is 1-d array program.
value of arr[0] = 10
value of arr[1] = 20
value of arr[2] = 30
value of arr[3] = 20
value of arr[4] = 10
value of arr[5] = 50
value of arr[6] = 20