added weekly exercises of isp-ws25

c/isp-ws25/weeklies/week01/w01ex02.c

@@ -0,0 +1,21 @@
+/*
+Exercise 02:
+Implemente a temperature converter.
+It should convert Fahrenheit to Celsius.
+The conversion may be done with this formula: C=(F-32)*5/9
+*/
+
+#include <stdio.h>
+
+float temp_f = 0;
+float temp_c = 0;
+
+int main()
+{
+    printf("Fahrenheit: ");
+    scanf("%f", &temp_f);
+    temp_c = (temp_f - 32)*5/9;
+    printf("Celsius: %.2f\n", temp_c);
+    
+    return 0;
+}