CS50 Problem Set 1#

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#include <cs50.h>
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#include <stdio.h>
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int main(void)
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{
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    string name = get_string("What's your name?\n");
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    printf("Hello, %s\n", name);
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    return 0;
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}

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#include <cs50.h>
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#include <stdio.h>
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void mario(int n);
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int main(void)
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{
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    int n;
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    do
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    {
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        n = get_int("Height: ");
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    }
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    while (n < 1 || n > 8);
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    mario(n);
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    return 0;
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}
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void mario(int n)
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{
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    for (int i = 1; i < n + 1; i++)
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    {
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        for (int j = 0; j < n - i; j++)
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        {
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            printf(" ");
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        }
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        for (int k = 0; k < i; k++)
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        {
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            printf("#");
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        }
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        printf("  ");
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        for (int k = 0; k < i; k++)
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        {
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            printf("#");
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        }
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        //        for (int j = 0; j < n - i; j++)
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        //        {
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        //            printf(" ");
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        //        }
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        printf("\n");
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    }
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}

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#include <cs50.h>
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#include <stdio.h>
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int main(void)
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{
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    int cash;
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    do
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    {
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        cash = get_int("Change owed: ");
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    }
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    while (cash < 0);
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    int n_25 = 0;
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    int n_10 = 0;
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    int n_5 = 0;
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    int n_1 = 0;
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    int sum = 0;
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    while (cash > 24)
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    {
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        cash -= 25;
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        n_25 += 1;
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    }
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    // printf("%d\n", n_25);
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    while (cash > 9)
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    {
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        cash -= 10;
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        n_10 += 1;
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    }
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    // printf("%d\n", n_10);
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    while (cash > 4)
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    {
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        cash -= 5;
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        n_5 += 1;
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    }
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    // printf("%d\n", n_5);
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    while (cash > 0)
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    {
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        cash -= 1;
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        n_1 += 1;
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    }
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    // printf("%d\n", n_1);
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    sum = n_25 + n_10 + n_5 + n_1;
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    printf("%d\n", sum);
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    return 0;
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}