Initial commit: C language learning code

翁凯C语言/3/整数类型表示数的范围3.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <math.h>
+
+int main()
+{ 
+    int a = 0;
+    int b = 1;
+
+    while (++a>0)
+    {
+        ;
+    }
+    printf("int的最大值是：%d\n", a-1);
+
+    while ((a=a/10)!=0)
+    {
+        b++;
+    }
+    printf("int的位数是：%d\n", b);
+
+    return 0;
+
+}