lcthw提交，做到了练习3，printf的输出格式

ex1/ex1.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+/* This is a comment. */
+int main(int argc, char *argv[])
+{
+    int distance = 100;
+
+    // this is also a comment
+    printf("You are %d miles away.\n", distance);
+
+    return 0;
+}

ex1/ex1_copy.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+/* T is a comment. */
+int main(int ac, char *gv[])
+{
+    int distance = 100;
+
+    // this is also a comment
+    printf("You are %d mes away.\nGood morning!\nGood afternoon!\nGood night!\nGood evening!\nIt's time for dinner!\n", distance);
+
+    return 0;
+}

ex1/vedio.txt

@@ -0,0 +1 @@
+http://ewm.ptpress.com.cn:8085/preview?qrCode=qr2018001476&verified=true

ex2/Makefile

@@ -0,0 +1,6 @@
+CFLAGS=-Wall -g
+
+all: clean ex1
+
+clean:
+	rm -f ex1

ex2/ex1.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+/* This is a comment. */
+int main(int argc, char *argv[])
+{
+    int distance = 100;
+
+    // this is also a comment
+    printf("You are %d miles away.\n", distance);
+
+    return 0;
+}

ex2/ex1_copy.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+/* T is a comment. */
+int main(int ac, char *gv[])
+{
+    int distance = 100;
+
+    // this is also a comment
+    printf("You are %d mes away.\nGood morning!\nGood afternoon!\nGood night!\nGood evening!\nIt's time for dinner!\n", distance);
+
+    return 0;
+}

ex2/vedio.txt

@@ -0,0 +1 @@
+http://ewm.ptpress.com.cn:8085/preview?qrCode=qr2018001476&verified=true

ex3/ex3.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main(void)
+{
+    int age = 10;
+    int height = 72;
+
+    printf("I am %d years old.\n", age);
+    printf("I am %d inches tall.\n", height);
+
+    return 0;
+}

ex3/unsignedInt.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+
+int main ( void )
+{
+    int smallInt = 12;
+    int largeInt = (1024*1024*3)+(1024*2)+512+128+64+32+16+8+4+2+1;
+    int negativeInt = -smallInt;
+    unsigned anUnsigned = 130;
+
+    // the other code snippets go here.
+    printf( " Unsigned Printf \n" );
+    printf( " Base Base-8 Base-10 Base-16 BASE-16\n" );
+    printf( " Name octal unsigned hexadeximal HEXIDECIMAL\n" );
+    printf( " Specifier %%12o %%12u %%12x %%12X \n" );
+    printf( " [%12o] [%12u] [%12x] [%12X]\n" ,
+    smallInt , smallInt, smallInt, smallInt );
+    printf( " [%12o] [%12u] [%12x] [%12X]\n\n" ,
+    largeInt , largeInt , largeInt , largeInt );
+    printf( " [%12o] [%12u] [%12x] [%12X]\n\n" ,
+    anUnsigned , anUnsigned , anUnsigned , anUnsigned );
+
+    printf( " Specifier %%#o %%#u %%#x %%#X\n" );
+    printf( " [%#12o] [%12u] [%#12x] [%#12X]\n" ,
+    smallInt , smallInt , smallInt , smallInt );
+    printf( " [%#12o] [%12u] [%#12x] [%#12X]\n" ,
+    largeInt , largeInt, largeInt , largeInt );
+    printf( " [%#12o] [%12u] [%#12x] [%#12X]\n\n" ,
+    anUnsigned , anUnsigned , anUnsigned , anUnsigned );
+
+    return 0;
+}

ex3/unsignedInt_copy.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int main ( void )
+{
+    int smallInt = 12;
+    int largeInt = (1024*1024*3)+(1024*2)+512+128+64+32+16+8+4+2+1;
+    int negativeInt = -smallInt;
+    unsigned anUnsigned = 130;
+
+    // the other code snippets go here.
+}