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  1. Prepare
  2. C
  3. Arrays and Strings
  4. 1D Arrays in C
  5. Discussions

1D Arrays in C

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  • udaysangogi143
     + 0 comments

    int main() {

    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int i,a[10]={16,13,7,2,1,12};
 int n=6,sum=0;



      for(i=0;i<n;i++)
     {
      sum+=a[i];
                }
                printf(" %d",sum);
                return 0;

                }

    why is dosnt work?





      printf("%d",sum);

return 0;

    }

  • sheikhmohammeds2
     + 0 comments
    #include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() {

    /* Enter your code here. Read input from STDIN. Print output to STDOUT */  
    int n; 
    scanf("%d", &n);
    
    int arr[n];
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }
    int sum = 0;
    for (int i = 0; i < n; i++) {
        sum += arr[i];
    }
    printf("%d", sum);  
    return 0;
}

  • shyamganeshks
     + 0 comments

    Try this code 

        int n;
    scanf("%d",&n); // input
    int sum = 0;
    int *arr = (int*) malloc(n * sizeof(int)); // using the malloc function and the memory is allocated on the heap at runtime
    for (int i = 0 ; i < n; i++){
        scanf("%d",&arr[i]);
        sum += arr[i];
    }
    
    printf("%d",sum); // printing the sum
    
    free(arr); // you have finished with the array, use free(arr) to deallocate the memory.
    arr = NULL;
      
    return 0;
}

  • 2k24cs1o2411708
     + 0 comments
    #include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>
int getsum(int n)
{
    int a[1000],sum=0;
    for (int i=0;i<n;i++)
    {
        scanf("%d ",&a[i]);
        sum=sum+a[i];
    }
    printf("%d",sum);
    return 0;
}
int main()
{
    int n;
    scanf("%d",&n);
    getsum(n);
}

  • fluenoriph
     + 0 comments

    int main() { int n; scanf("%d", &n);

    const unsigned int SIZE = n;
int* p = malloc(SIZE * sizeof(int));
if (!p) { exit(1); }

int sum = 0;

for (int i = 0; i < SIZE; ++i) {
    scanf("%d", p + i);
    sum += p[i];
}
printf("%d\n", sum);

free(p);
p = NULL;

return 0;

    }