Initial commit: C language learning code

翁凯C语言/2/正序分解整数2.c

@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int num_weishu(int num) //判断数字位数
+{
+	int n = 0;
+	num = abs(num);
+	if (num==0)
+	{
+		return 1;
+	}          
+	while (num>0)
+	{
+		num /= 10;
+		n++;
+	}
+	return n;
+}
+
+int main()
+{
+	int x;
+	int m=0;
+    printf("请输入一个整数：");
+    scanf("%d", &x);
+	int a = num_weishu(x);
+
+	if(a>9)
+	{
+		printf("超过最大支持位数！\n");
+		return -1;
+	}
+	else
+	{
+		while (a>0)
+		{
+			m = x/a;
+			printf("%d", m);
+			x = x%a;
+			a = a/10;
+			if (a>1)
+			{
+				printf(" ");
+			}
+		}
+		printf("\n");
+	}
+
+	return 0;
+}