// Week 4 Lecture recap example
// Using arrays with functions

#include <stdio.h>
#define DATA_SIZE 6

// print_data
// read_data
// print odd data
// find_maximum

void print_data(int size, int data[size]);
void print_odd_data(int size, int data[size]);
void read_data(int size, int data[size]);
int find_maximum(int size, int data[size]);

int main(void) {
    int data[DATA_SIZE] = {4, 6, 7, -3, 9, 2};
    print_data(DATA_SIZE, data);
    //read_data(DATA_SIZE, data);
    //print_data(DATA_SIZE, data);
    print_odd_data(DATA_SIZE, data);
    int max = find_maximum(DATA_SIZE, data);
    printf("The max was %d\n", max);
    return 0;
}

void print_data(int size, int data[size]) {
    int i = 0;
    while (i < size) {
        printf("%d ", data[i]);
        i++;
    }
    printf("\n");
}

void read_data(int size, int data[size]) {
    int i = 0;
    while (i < size) {
        scanf("%d", &data[i]);
        i++;
    }
}

void print_odd_data(int size, int data[size]) {
    int i = 0;
    while (i < size) {
        if(data[i]%2 != 0) {
            printf("%d ", data[i]);
        }
        i++;
    }
    printf("\n");
}

int find_maximum(int size, int data[size]) {
    int max = data[0];
    int i = 1;
    while (i < size) {
        if (data[i] > max) {
            max = data[i];
        }
        i++;
    }
    return max;
}