Added files from first programming course at OSU

This commit is contained in:
2019-07-09 18:14:25 -07:00
parent 4a591de966
commit 8c92e250d9
48 changed files with 2858 additions and 0 deletions

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/*
* Original Author: Corwin A. Perren (perrenc)
* File: perrenc_hw0_1.c
* Created: Unknown by perrenc
* Last Modified: 2012 February 21,20:33 by perrenc
*
* Prints out integers and decimals with specific numbers of decimal points.
*
*/
#include <stdio.h>
int main (int argc, char **argv) {
/*
* Creates integers and float variables, then assigns a computed value to them
*/
int a = (2 * 3);
int b = (1 / 5);
int c = (1 / 2);
int d = (3 / 2);
int e = (1 / 3);
int f = (2 / 3);
double g = (1.0 / 5);
double h = (1.0 / 2);
double i = (3.0 / 2);
double j = (1.0 / 3);
double k = (2.0 / 3);
double l = (1 / 5.0);
double m = (1 / 2.0);
double n = (3 / 2.0);
double o = (1 / 3.0);
double p = (2 / 3.0);
/*
* Prints the integers with no decimal points and then prints the float values
* with 6 and 20 decimal points
*/
printf("a = %i\n", a);
printf("b = %i\n", b);
printf("c = %i\n", c);
printf("d = %i\n", d);
printf("e = %i\n", e);
printf("f = %i\n", f);
printf("g = %.06f\n %.20f\n", g, g);
printf("h = %.06f\n %.20f\n", h, h);
printf("i = %.06f\n %.20f\n", i, i);
printf("j = %.06f\n %.20f\n", j, j);
printf("k = %.06f\n %.20f\n", k, k);
printf("l = %.06f\n %.20f\n", l, l);
printf("m = %.06f\n %.20f\n", m, m);
printf("n = %.06f\n %.20f\n", n, n);
printf("o = %.06f\n %.20f\n", o, o);
printf("p = %.06f\n %.20f\n", p, p);
}

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/*
* Original Author: Corwin A. Perren (perrenc)
* File: perrenc_hw0_2.c
* Created: Unknown by perrenc
* Last Modified: 2012 February 21, 20:36 by perrenc
*
* Uses printf to print integers the same way through two different methods.
*
*/
#include <stdio.h>
int main (int argc, char **argv) {
/*
* Creates variables for holding integers between and including 1 to 4 assigns
* one of these values to each variable.
*/
int a = 1;
int b = 2;
int c = 3;
int d = 4;
/* Prints the four integer values on one line using a single printf statement. */
printf("%d, %d, %d, %d\n\n", a, b, c, d);
/*
* Prints the four integer values on the same line using four different printf
* statements.
*/
printf("%d, ", a);
printf("%d, ", b);
printf("%d, ", c);
printf("%d\n", d);
}

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/*
* Original Author: Corwin A. Perren (perrenc)
* File: perrenc_hw0_4.c
* Created: Unknown by perrenc
* Last Modified: 2012 February 21, 20:41 by perrenc
*
* Prints out integers from 10 down by using a for loop and if statement.
*
*/
#include <stdio.h>
int main (int argc, char **argv) {
/* Creates a variable for manipulation and sets it to an inital value of 10. */
int x = 10;
/*
* Takes x and prints its value and a comma from 10 to 2, then when the if
* statement falsifies, it prints the final value with a new line and exits.
*/
for( x ; x >= 1 ; x -= 1) {
if (x != 1){
printf("%d, ", x);
}else{
printf("%d\n", x);
}
}
}

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/*
* Original Author: Corwin A. Perren (perrenc)
* File: perrenc_hw0_5.c
* Created: Unknown by perrenc
* Last Modified: 2012 February 21, 20:49 by perrenc
*
* Total all integers from 1 to whatever value is necessary to make x in the loop equal
* to 1000.
*
*/
#include <stdio.h>
int main(int argc, char **argv){
int x; // Variable used for incrementing
int total; // Variable used for holding the total amount
/* Increments x, then adds current x to the total until x is equal to 1000. */
for(x = 1 ; x <= 1000 ; x++){
total += x;
}
/* Prints the total after going through the loop. */
printf("%d\n", total);
}

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/*
* Original Author: Corwin A. Perren (perrenc)
* File: perrenc_hw0_6.c
* Created: Unknown by perrenc
* Last Modified: 2012 February 21, 20:54 by perrenc
*
* Calulates and prints out the fibonacci sequence up to a value the user specifies.
*
*/
#include <stdio.h>
int main (int argc, char **argv){
int x; // Used for loop limiting
int k; // Used for user input
int a = 0; // Beginning of the fibonacci sequences
int b = 1; // Another beginning value of the fibonacci sequence
int total;
/*
* Asks users to what value of the fibonacci sequence they would like to
* calculate and then stores it in k
*/
printf("Enter to what iteration of the fibonacci sequence you want to calculate: ");
scanf("%d", &k);
/*
* Prints an iteration of the fibonacci sequence, totals the two previous values
* to make the next iteration, then loops until the number of iterations reaches
* what the user inputted previously.
*/
for(x = 0 ; x < k ; x++){
printf("%d ", a);
total = a + b;
a = b;
b = total;
}
/* Prints a new line to make the output cleaner. */
printf("\n");
}

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/*
* Original Author: Corwin A. Perren (perrenc)
* File: perrenc_hw0_7.c
* Created: Unknown by perrenc
* Last Modified: 2012 February 21, 20:54 by perrenc
*
* Prints the ascii character for the number a user enters.
*
*/
#include <stdio.h>
int main(int argc, char **argv){
int x; // Variable used for user input
/* Ask user for input, then store it on x. */
printf("Please enter a number between 0 and 255: ");
scanf("%d", &x);
/* Prints the appropriate ascii character for an entered value as long as it is
* within range, else it prints an error, or exits with a "-1" input.
*/
if ((x < 0 | x > 255) & (x != -1)){
printf("You entered an improper value or it was out of range...\n");
}else if ((x >= 0) & (x <= 255)){
printf("%c\n", x);
}
}

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/*
* Original Author: Corwin A. Perren (perrenc)
* File: perrenc_hw0_9.c
* Created: Unknown by perrenc
* Last Modified: 2012 February 21, 20:54 by perrenc
*
* Print the square and cube roots of values from 1 to 25.
*
*/
#include <stdio.h>
#include <math.h>
int main(int argc, char **argv){
int x; // Variable used for incrementing from 1 to 25
double y; // Variable used for squares and cubes manipulation
/*
* Increments x from 1 to 25 and prints the x value, its square root, and cube
* root in column format, then ends.
*/
for(x = 1 ; x <= 25 ; x++){
y = x;
printf("%i ", x);
y = sqrt (x); // Takes the square root of x
printf("%f ", y);
y = pow(x, (1/3.0)); // Takes the cube root of x
printf("%f \n", y);
}
}