C

DeitelC/Chapter4/1to20.c

@@ -0,0 +1,22 @@
+#include <stdio.h>
+
+int main(void){
+    int counter = 1;
+    while(counter<= 20) {
+        if(counter%5==0) {
+            printf("%d\t",counter);
+            counter++;
+        } else {
+            counter++;
+        }
+        }
+        printf("\n");
+        for(int x = 1; x<=20 ;++x) {
+            if (x%5==0) {
+                printf("%d\t", x);
+            } else {
+
+            }
+    }
+    return 0;
+}

DeitelC/Chapter4/CelciusToFahrenheit.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+
+int CelciusConvert(int c) {
+    int f;
+    f = ((c*9)/5)+32;
+return f;
+}
+
+int main(void) {
+    int c;
+    int f;
+    printf("%s\n", "Enter Celcius degree!");
+    scanf("%d", &c);
+    printf("%d %s %d",c, " Celcius equals to Fahrenheit: ", CelciusConvert(c));
+}

DeitelC/Chapter4/check.c

@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main() {
+    int i = 5, j = 7, k = 4, m = -2;
+    //printf("%d", i >= 5 && j > 4);
+    /*printf("%d", !m && k > m);
+    printf("%d", !k || m); */
+    printf("%d", !2);
+}

DeitelC/Chapter4/test1.c

@@ -0,0 +1,17 @@
+#include <stdio.h>
+ int main() 
+ {
+ int x, i, j; 
+ // prompt user for input
+ printf("%s", "Enter an integer in the range 1-20:");
+ scanf("%d", &x); // read values for x
+ for (i = 1; i <= x; i++) { // count from 1 to x
+ for (j = 1; j <= x; j++) { // count from 1 to x
+ if (j==i) 
+ printf("%c",'@'); // output @
+ else
+ printf(" "); 
+ } // end inner for
+ printf("\n");
+ } // end outer for 
+ } // end of main