Added files from first programming course at OSU

OSU Coursework/CS 161 - Intro to Programming I/Labs/Lab 4/lab4_4.c

@@ -0,0 +1,58 @@
+/* Original Author: Corwin Perren (perrenc)
+ * File: lab4_4.c
+ * Created: 2012 February 08, 21:05 by perrenc
+ * Last modified: 2012 February 08, 23:23 by perrenc
+ *
+ * Purposefully used for making and correcting errors
+ */
+
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+
+	/*creates the user input and incrementing variables*/
+	int i;
+	int loop;
+	
+	system("clear");
+	printf("Enter an integer between 1 and 20:\n");
+	scanf("%d", &i);
+
+	/*errors and exits if i is greater than 20 or less than one*/
+	if((1 > i) | (i > 20)){
+		printf("You have entered an incorrect value.\n");
+		return(-1);
+	}
+	/*prints ascending characters from one up to the user entered value*/
+	for (loop = 1; (loop <= i); ++loop){
+		printf("%d ", loop);
+	}
+
+	printf("\n");
+
+	/*prints descending characters from the user entered value down to 1*/
+	for(loop = i; ((loop <= i) & (loop != 0)); loop--){
+		printf("%d ", loop);
+	}
+	printf("\n");
+}
+
+/*error listings
+ * Removed semicolon at line 23: "expected ; before return"
+ * Commented out variable i on line 14: "i undeclared (first use in this function.
+		Each undeclared identifier is reported only once for each function it appears in."
+ * Removed braces from the following if function: "expected } before else"
+
+int extra() {
+	if(x < 3) {
+		printf("x is less than 3.\n");
+		printf("you fart loudly.");
+	else
+		printf("x is not less than 3.\n");
+		printf("et cetera\n");
+}
+}
+ * Removed parentheses from line 27: "expected ( before loop
+									  expected ; before { token"
+ * Passed wrong type to line 28: It compiled, but output was empty.
+ */