Algoritma ve programlamaya giriş ödevi

#include <stdio.h>

//~ #define ARR_SIZE 10

int main(){
    //~ int arr[ARR_SIZE] = {3, 37, 43, 91, 5, 89, 692, 1336, 8, 593};
    int arr[10] = {3, 37, 43, 91, 5, 89, 692, 1336, 8, 593};
    int sum = 0;
 
    //~ for (int i = 0; i< ARR_SIZE; ++i){
        //~ if (1 == arr[i]%2){
            //~ sum += arr[i];
        //~ }
    //~ }
 
    for (int i = 0; i< sizeof(arr)/sizeof(int); ++i){
        if (1 == arr[i]%2){
            sum += arr[i];
        }
    }
 
    //~ double result = (double)sum / arr[4];
    double result = (double)sum / arr[3];

    printf("Tek olan sayilarin toplaminin 4. elemana bolumu: %lf\n", result);
 
    return 0;
}

#include <stdio.h>

int main(){
    int arr[10];
    int largest = 0;
 
    printf("Lutfen 10 adet sayi giriniz: ");
 
    for (int i = 0; i< sizeof(arr)/sizeof(int); ++i){
        scanf("%d",&arr[i]);
    }
 
    for (int i = 0; i< sizeof(arr)/sizeof(int); ++i){
        if (10 <= arr[i] && 100 >= arr[i] && largest < arr[i]){
            largest = arr[i];
        }
    }

    printf("Iki basamaklı en buyuk sayi: %d\n", largest);
 
    return 0;
}