6_2.cpp

《c++语言程序设计》例题程序

#include <iostream.h>
void RowSum(int A[][4], int nrow)    //计算二维数组A每行元素值的和，nrow是行数
{
	for (int i = 0; i < nrow; i++)
	{
		for(int j = 1; j < 4; j++)
			A[i][0] += A[i][j];
	}
} 
void main(void)	//主函数
{
	int Table[3][4] = {{1,2,3,4},{2,3,4,5},{3,4,5,6}};	//定义并初始化数组
	for (int i = 0; i < 3; i++)	//输出数组元素
	{
		for (int j = 0; j < 4; j++)
			cout << Table[i][j] << "   ";
		cout << endl;
	}
	RowSum(Table,3);	//调用子函数，计算各行和
	for (i = 0; i < 3; i++)	//输出计算结果
	{
		cout << "Sum of row " << i << " is " <<Table[i][0]<< endl;
	}
}