Added files from first programming course at OSU

OSU Coursework/CS 161 - Intro to Programming I/Labs/Lab 5/lab5.c

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+/*
+ * Original Author: Corwin A. Perren (perrenc)
+ * File: lab5.c
+ * Created: 2012 February 16, 00:22 by perrenc
+ * Last Modified: 2012 February 16, 00:22 by perrenc
+ * 
+ * This program asks the user for two values, counts up to it from zero, down to zero 
+ * from it, and bewteen the two values. It then asks whether the user would like to 
+ * run the program again.
+ */
+ 
+#include <stdio.h>
+
+/* ------Begin Functions------ */
+
+/* Begin user input functions */
+
+/* Asks the user for a positive integer and returns it */
+int userinput1(void){
+	int a; // For temp user input storage
+	system("clear");
+	printf("Please enter your first positive integer: ");
+	scanf("%d", &a);
+	return a;
+}	
+
+/* Asks the user for another positive integer and returns it */
+int userinput2(void){
+	int a; // For temp user input storage
+	printf("Please enter your second positive integer: ");
+	scanf("%d", &a);
+	return a;
+}	
+
+/* End user input functions */
+
+/* Begin Math Functions */
+
+/* Receives the first integer from the user and counts up from 0 to it with integers */
+int count_up(int userin1){
+	int loop; //Used for loop incrementing
+	for(loop = 0 ; loop <= userin1 ; loop++){
+		printf("%d ", loop);
+	}
+	printf("\n");
+}	
+
+/* Counts down to zero by integers from the first integer entered by the user */
+int count_down(int userin1){
+	int loop; //Used for loop incrementing
+	for(loop = userin1 ; loop >= 0 ; loop--){
+		printf("%d ", loop);
+	}
+	printf("\n");
+}
+
+/* Counts from the smaller number up to the larger one based on those entered by 
+ * the user */
+int count_between_up(int userin1, int userin2){
+	int loop; //Used for loop incrementing
+	for(loop = userin1 ; loop <= userin2 ; loop++){
+		printf("%d ", loop);
+	}
+	printf("\n");
+}
+
+/* Counts down from the larger number to the smaller one from those entered by the user */
+int count_between_down(int userin1, int userin2){
+	int loop; //Used for loop incrementing
+	for(loop = userin1 ; loop >= userin2 ; loop--){
+		printf("%d ", loop);
+	}
+	printf("\n");
+}
+
+/* End Math Functions */
+
+/* Begin Generic Functions */
+
+/* Assigns the user inputs to variables, counts up, then down, then counts up or down
+ * between the two entered number depending on which of the two is larger */
+void task1(void){
+	
+	int userin1 = userinput1 ();
+	int userin2 = userinput2 ();
+
+	count_up (userin1);
+	count_down (userin1);
+
+	if (userin1 < userin2){
+		count_between_up (userin1, userin2);
+	}else if (userin1 > userin2){
+		count_between_down (userin1, userin2);
+	}		
+}
+
+/* Used for quitting or rerunning the program per user request */
+int quittask1(void){
+	
+	int endtask1;
+
+	printf("\nWould you like to run again? Type 0 for no or 1 for yes: ");
+	scanf("%d", &endtask1);
+
+	return endtask1;
+}	
+	
+/* ------End Functions------ */
+
+/* Runs task 1 from above and determines whether the program should exit or rerun based
+ * on the return value from quittask1. To rerun, a goto is used since I could not get 
+ * loops to work. */
+int main(int argc, char **argv){
+
+	begintask1: ;
+	task1 ();
+	int endtask1 = quittask1 ();
+	if(endtask1 == 0){
+		//Break
+	}else if(endtask1 == 1){
+		goto begintask1;
+	}	
+
+	return 0;
+}