IT博客汇 | 整数溢出问题

整数溢出问题

snowhill发表于 2006-12-31 12:24:00

#include " iostream.h "
void main()
{
     int n = 1 ,sum = 0 ;
    cout << " int inquire " << sizeof ( int ) << " bytes " << endl;

while (sum <= 4294967295 ) {sum += n; n ++ ;}

cout << " n= " << n - 1 ;


}

上面程序是一个无限循环（在VC6.0中)。如果将4294967295改为4294967294则行。

snowhill 2006-12-31 20:24 发表评论