C Array, What are Arrays in C. Properties, Advantages, Disadvantages, Declaration and Initialization of Arrays.

L9Q1_first_array_program.c

#include<stdio.h>  
int main(){
  int i=0;    
  
  //method 1: declaration of array
  //int marks[5];
  
  //method 2: declaration with initialization of array
  int marks[5] = {80, 60, 70, 85, 75};
  
  //method 3: declaration with initialization of array
  //int marks[] = {80, 60, 70, 85, 75};
  
  //method 4: initialization of array
  marks[0]=80;    
  marks[1]=60;
  marks[2]=70;
  marks[3]=85;
  marks[4]=75;
  
  //traversal of array    
  for(i=0;i<5;i++){      
    printf("%d \n",marks[i]);    
  }//end of for loop     
  return 0;  
}