update

2023_CS50X/w1_c/cash/cash.c

@@ -0,0 +1,76 @@
+#include <cs50.h>
+#include <stdio.h>
+
+int get_cents(void);
+int calculate_quarters(int cents);
+int calculate_dimes(int cents);
+int calculate_nickels(int cents);
+int calculate_pennies(int cents);
+
+int main(void)
+{
+    // Ask how many cents the customer is owed
+    int cents = get_cents();
+
+    // Calculate the number of quarters to give the customer
+    int quarters = calculate_quarters(cents);
+    cents = cents - quarters * 25;
+
+    // Calculate the number of dimes to give the customer
+    int dimes = calculate_dimes(cents);
+    cents = cents - dimes * 10;
+
+    // Calculate the number of nickels to give the customer
+    int nickels = calculate_nickels(cents);
+    cents = cents - nickels * 5;
+
+    // Calculate the number of pennies to give the customer
+    int pennies = calculate_pennies(cents);
+    cents = cents - pennies * 1;
+
+    // Sum coins
+    int coins = quarters + dimes + nickels + pennies;
+
+    // Print total number of coins to give the customer
+    printf("%i\n", coins);
+}
+
+int get_cents(void)
+{
+    int cents;
+    do
+    {
+        cents = get_int("Number of cents: \n");
+    }
+    while (cents < 0);
+    return cents;
+
+}
+
+int calculate_quarters(int cents)
+{
+    int quarters;
+    quarters = cents / 25;
+    return quarters;
+}
+
+int calculate_dimes(int cents)
+{
+    int dimes;
+    dimes = cents / 10;
+    return dimes;
+}
+
+int calculate_nickels(int cents)
+{
+    int nickels;
+    nickels = cents / 5;
+    return nickels;
+}
+
+int calculate_pennies(int cents)
+{
+    int pennies;
+    pennies = cents / 1;
+    return pennies;
+}

2023_CS50X/w1_c/credit/credit.c

@@ -0,0 +1,56 @@
+//// TODO ////
+
+#include <cs50.h>
+#include <stdio.h>
+
+int main(void)
+{
+    int modulo = 0;
+    int start = 0;
+    long number = 0;
+
+    // Promt for input
+    number = get_long("Number: ");
+
+    printf("%li\n", number);
+
+    // Calculate checksum
+    //for (int i = length; i < length; i-=2)
+    //{
+    //    printf("number[i]");
+    //}
+
+
+    // Check for card length and starting digits
+
+
+    // If invalid Print INVALID\n
+
+    if (modulo != 0)
+    {
+        printf("INVALID\n");
+    }
+
+    // Else
+    else
+    {
+        // Print AMEX\n
+
+        if (start == 34 || start == 37)
+        {
+            printf("AMEX\n");
+        }
+
+        // Print MASTERCARD\n
+        else if (start == 51 || start == 52 || start == 53 || start == 54 || start == 55)
+        {
+            printf("MASTERCARD\n");
+        }
+
+        // Print VISA\n
+        else if (start == 4)
+        {
+            printf("VISA\n");
+        }
+    }
+}

2023_CS50X/w1_c/hello/hello.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include <cs50.h>
+
+int main(void)
+{
+    string name = get_string("What is your Name? ");
+    printf("hello, %s\n ", name);
+}

2023_CS50X/w1_c/mario-more/mario.c

@@ -0,0 +1,46 @@
+#include <cs50.h>
+#include <stdio.h>
+
+int main(void)
+{
+    int size;
+    int spaces;
+    int hashes;
+
+    // Asking for size
+    do
+    {
+        size = get_int("Size: ");
+    }
+    while (size < 1 || size > 8);
+
+    // Building
+    for (int i = 0; i < size; i++)
+    {
+
+        // left spaces
+        for (spaces = (size - i); spaces >= 2; spaces--)
+        {
+            printf(" ");
+        }
+
+        // hashes
+        for (hashes = 0; hashes <= i; hashes++)
+        {
+            printf("#");
+        }
+
+        // middle spaces
+        printf("  ");
+
+        // hashes
+        for (hashes = 0; hashes <= i; hashes++)
+        {
+            printf("#");
+        }
+
+        // next line
+        printf("\n");
+
+    }
+}

2023_CS50X/w1_c/population/population.c

@@ -0,0 +1,38 @@
+#include <cs50.h>
+#include <stdio.h>
+
+int main()
+{
+    // TODO: Prompt for start size
+    int start;
+    do
+    {
+        start = get_int("Start size over 9: ");
+    }
+    while (start < 9);
+
+
+
+    // TODO: Prompt for end size
+    int end;
+    do
+    {
+        end = get_int("End size: ");
+    }
+    while (end < start);
+
+    // TODO: Calculate number of years until we reach threshold
+    int years = 0;
+
+    while (start < end)
+    {
+        start = start + (start / 3) - (start / 4);
+        years++;
+    }
+
+    // TODO: Print number of years
+    printf("Years: %i\n", years);
+
+
+
+}