c-first-steps

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commit 37d54fd03844efe691c257182f0e5ee18b5a5701
parent 191867eefd9aeb4e550b4bd85ba79aeb3c314cd6
Author: klewer-martin <martin.cachari@gmail.com>
Date:   Sat,  6 Mar 2021 17:47:40 -0300

Update;

Diffstat:
M
the-c-programming-language/chapter01/ex03.c
 | 
14
+++++++-------
A
the-c-programming-language/chapter01/ex04.c
 | 
24
++++++++++++++++++++++++

2 files changed, 31 insertions(+), 7 deletions(-)
diff --git a/the-c-programming-language/chapter01/ex03.c b/the-c-programming-language/chapter01/ex03.c
@@ -8,16 +8,16 @@ int main (void)
     int lower, upper, step;
     float c, f;
 
-/*    Celsius values;    */
+/*    Fahrenheit values;    */
     lower = 0;
-    upper = 50;
-    step = 2;
+    upper = 100;
+    step = 5;
 
-    printf("Celsius to Fahrenheit\n\n");
+    printf("Fahrenheit to Celsius\n\n");
 
-    for(c = 0; c <= upper; c += step) { 
-        f = (c * 9.0) / 5.0 + 32;
-        printf("%5.1f°C = %5.1f°F\n", c, f);
+    for(f = 0; f <= upper; f += step) { 
+        c = ((f - 32) * 5) / 9;
+        printf("%5.1f°F = %5.1f°C\n", f, c);
     }
 
     return 0;
diff --git a/the-c-programming-language/chapter01/ex04.c b/the-c-programming-language/chapter01/ex04.c
@@ -0,0 +1,24 @@
+/*    Exercise 1-4 - prints a table with degrees conversion    */
+
+#include <stdio.h>
+
+
+int main (void)
+{
+    int lower, upper, step;
+    float c, f;
+
+/*    Celsius values;    */
+    lower = 0;
+    upper = 50;
+    step = 2;
+
+    printf("Celsius to Fahrenheit\n\n");
+
+    for(c = 0; c <= upper; c += step) { 
+        f = (c * 9.0) / 5.0 + 32;
+        printf("%5.1f°C = %5.1f°F\n", c, f);
+    }
+
+    return 0;
+}