完成习题7

ex7/ex7.c

@@ -9,11 +9,13 @@ int main(int argc, char *argv[])
     char first_name[] = "Zed";
     char last_name[] = "Shaw";
 
+    // first_name[4] = '@';
+
     printf("You are %d miles away.\n", distance);
     printf("You have %f levels of power.\n", power);
-    printf("You have %f awesome super powers.\n");
+    printf("You have %f awesome super powers.\n", super_power);
     printf("I have an initial %c.\n", initial);
-    printf("I have a first name %s.\n", first_name);
+    printf("I have a first name %s.\n", first_name + 10000);
     printf("I have a last name %s.\n", last_name);
     printf("My whole name is %s %c. %s.\n", first_name, initial, last_name);
 
@@ -22,7 +24,7 @@ int main(int argc, char *argv[])
 
     printf("You have %d bugs at the imaginary rate of %f.\n", bugs, bug_rate);
 
-    long universe_of_defects = 1L * 1024L * 1024L * 1024L;
+    unsigned long universe_of_defects = 1100000999999L * 1024L * 1024L * 1024L;
 
     printf("The entire universe has %ld bugs.\n", universe_of_defects);
 

ex7/ex7_copy.c

@@ -0,0 +1,44 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    int distance = 100;
+    float power = 2.345f;
+    double super_power = 56789.4532;
+    char initial = 'A';
+    char first_name[] = "Zed";
+    char last_name[] = "Shaw";
+
+    printf("You are %d miles away.\n", distance);
+    printf("You have %f levels of power.\n", power);
+    printf("You have %f awesome super powers.\n");
+    printf("I have an initial %c.\n", initial);
+    printf("I have a first name %s.\n", first_name);
+    printf("I have a last name %s.\n", last_name);
+    printf("My whole name is %s %c. %s.\n", first_name, initial, last_name);
+
+    int bugs = 100;
+    double bug_rate = 1.2;
+
+    printf("You have %d bugs at the imaginary rate of %f.\n", bugs, bug_rate);
+
+    long universe_of_defects = 1L * 1024L * 1024L * 1024L;
+
+    printf("The entire universe has %ld bugs.\n", universe_of_defects);
+
+    double expected_bugs = bugs * bug_rate;
+
+    printf("You are expected to have %f bugs.\n", expected_bugs);
+
+    double part_of_universe = expected_bugs / universe_of_defects;
+
+    printf("That is only a %e portion of the universe.\n", part_of_universe);
+
+    // this makes no sense, just a demo of something weird
+    char nul_byte = '\0';
+    int care_percentage = bugs * nul_byte;
+
+    printf("Which means you should care %d%%.\n", care_percentage);
+
+    return 0;
+}

ex7/vedio

@@ -0,0 +1 @@
+http://ewm.ptpress.com.cn:8085/preview?qrCode=qr2018001484&verified=true