c++ 指针数组，输入4个季度的花费，计算出总花费

#include <iostream>
#include <array>
#include <string>

const int Seasons = 4;
const char * Snames[4] = { "Spring", "Summer", "Fall", "Winter" };

void fill(double pa[]);
void show(double da[]);

int main() {
	double expenses[4];
	fill(expenses);
	show(expenses);
	return 0;
}

void fill(double pa[]) {
	using namespace std;
	for (int i = 0; i < Seasons; i++) {
		cout << "Enter " << Snames[i] << " expenses: ";
		cin >> pa[i];
	}
}

void show(double da[]) {
	using namespace std;
	double total = 0.0;
	for (int i = 0; i < Seasons; i++) {
		cout << Snames[i] << ": $" << da[i] << endl;
		total += da[i];
	}
	cout << "Total Expenses: $" << total << endl;
}