A3 Ex2

/* Assignment 3 Ex. 2 (Player Stats) */

#include <iostream>

using namespace std;

struct TouchdownStats { // struct with stats data
    int min;
    int max;
    int mode;
    int mean;
    int modeFreq;
    int total;
};

void maxValue(int touchdowns[], int size, TouchdownStats &player);
void minValue(int touchdowns[], int size, TouchdownStats &player);
void modeFreq(int touchdowns[], int size, TouchdownStats &player);
void totalMean(int touchdowns[], int size, TouchdownStats &player); // calculates total and mean values
void print(TouchdownStats &player); // outputs all stats

int main() {
    TouchdownStats player;
    int size;

    do {
        cout << "Enter the size of the data array: ";
        cin >> size;
    } while (size <= 0); // to check the size of the array

    int *touchdowns = new int[size]; // dynamically allocate array
    cout << "Enter touchdowns stats one by one: " << endl;
    for (int i = 0; i < size; i++) { // saving entries into array
        cin >> touchdowns[i];
    }
    cout << endl;

    maxValue(touchdowns, size, player);
    minValue(touchdowns, size, player);
    modeFreq(touchdowns, size, player);
    totalMean(touchdowns, size, player);

    print(player);
} // main

void maxValue(int touchdowns[], int size, TouchdownStats &player) {
    int max = touchdowns[0];
    for (int i = 0; i < size; i++) {
        if (touchdowns[i] > max)
            max = touchdowns[i];
    }
    player.max = max;
}

void minValue(int touchdowns[], int size, TouchdownStats &player) {
    int min = touchdowns[0];
    for (int i = 0; i < size; i++) {
        if (touchdowns[i] < min)
            min = touchdowns[i];
    }
    player.min = min;
}

void modeFreq(int touchdowns[], int size, TouchdownStats &player) {
    int mode = touchdowns[0];
    int modeFreq = 1; // default frequency value
    for (int i = 0; i < size; i++) { // walks the array to compare values and to find repetitions
        int freq = 0;
        for (int j = 0; j < size; j++) {
            if (touchdowns[i] == touchdowns[j]) {
                freq++;
            }
        }
        if (modeFreq < freq) {
            mode = touchdowns[i];
            modeFreq = freq;
        }
    }
    player.mode = mode;
    player.modeFreq = modeFreq;
}

void totalMean(int touchdowns[], int size, TouchdownStats &player) { // calculate total and mean values
    int total = 0;
    for (int i = 0; i < size; i++) {
        total += touchdowns[i];
    }
    player.total = total;
    player.mean = total / size;
}

void print(TouchdownStats &player) { // output all values
    cout << "Max value is " << player.max << endl;
    cout << "Min value is " << player.min << endl;
    cout << "Mode is " << player.mode << endl;
    cout << "Mode Freq is " << player.modeFreq << endl;
    cout << "Mean: " << player.mean << endl;
    cout << "Total: " << player.total << endl;
}





/* ----- Output ----- */

/* Enter the size of the data array: 13
Enter touchdowns stats one by one:
29
21
32
28
26
21
17
26
17
32
18
17
17

Max value is 32
Min value is 17
Mode is 17
Mode Freq is 4
Mean: 23
Total: 301


----- Edge case -----
Enter the size of the data array: 0
Enter the size of the data array: -1
Enter the size of the data array: 4
Enter touchdowns stats one by one:
15
23
18
15

Max value is 23
Min value is 15
Mode is 15
Mode Freq is 2
Mean: 17
Total: 71
*/