#include<stdio.h>

/**
 * Terry Harvey CIS 105 Section 010 TA Tina Weymouth
 *  Demonstration program
 **/

int main(){

    int data1[5] = {4,7,9,1,0};
    int data2[] = {4,7,9,1};//??? makes array size 4
    //int data3[]; //NONONONO must declare size OR initialize
    int data4[10] = {7,8,9}; //all elements after index 2 are now zero

    int data5[100] = {0};//all elements are 0

    //data2 = {0,1,2,3,4}; //NONONO only during declaration

    data1[3] = 6; //this is not a declaration. Why?

    printf("data1[2] is %d\n", data1[2]);
    return 0;

}