10xi.cpp

C/C++程序设计导论（第二版）》程序源文件

// BigInt.cpp  Adds two Big Integers (20-digit integers)
#include <iostream.h>
const int NUMDIG = 20, NUMDIG2 = 21;
void SumBigInt (int x[ ], int y[ ], int sum[ ]);
void ReadBigInt (int b[ ]);					// digit size of large integers
void main ()
{	int x[NUMDIG], y[NUMDIG], sum[NUMDIG2], n;
	ReadBigInt (x);
	ReadBigInt (y);
	SumBigInt (x, y, sum);					// sum two large integers
	cout << "the sum is: ";
	for (n=0; n<NUMDIG2; n++)
		cout << sum[n];
}