数值溢出.cpp

来自「我正在学习C编程」· C++ 代码 · 共 33 行

#include<stdio.h>   /*数值溢出*/
void main()
{
	short a=32767,b;
	int   c=32767,d;

	b=a+1;
	printf("\n\n  短整型变量short a=%d\n",a);
	printf("  短整型变量short b=a+1时,b=%d---数值溢出\n",b);
	b=a+100;
	printf("  短整型变量short b=a+100时,b=%d---数值溢出\n",b);
	b=a+1000;
	printf("  短整型变量short b=a+1000时,b=%d---数值溢出\n",b);
	a=-32768;
	printf("  短整型变量short a=%d\n",a);
	b=a-1;
	printf("  短整型变量short b=a-1时,b=%d---数值?\n",b);
	b=a-100;
	printf("  短整型变量short b=a-100时,b=%d---数值?\n",b);
	b=a-1000;
	printf("  短整型变量short b=a-1000时,b=%d---数值?\n\n",b);

	d=c+1;
	printf("  整型变量int c=%d\n",c);
	printf("  整型变量int d=c+1时,d=%d---数值不溢出?\n",d);
	d=c+2;
	printf("  整型变量int d=c+2时,d=%d---数值不溢出?\n",d);
	d=c+1000;
	printf("  整型变量int d=c+1000时,d=%d---数值不溢出?\n\n",d);
	

}