#include <iostream>
#include <Windows.h>
using namespace std;
void scoreprint(int score[], int n) { //12 { //形参本质上是一个指针 只是吧数组的第一个地址传进过来
for(int i=0; i<n; ++i) {
cout << "第" << i+1 << "门成绩是:" << score[i] << endl;
}
//cout << sizeof(score) << endl; //4
}
//把每门成绩, 加 val分
//void scoreadd(int score[], int n, int val) {
//int val=5 默认参数 后面不能加非默认参数
void scoreadd(int score[], int n, int val=15) {
for(int i=0; i<n; ++i) {
score[i] += val; //score[i] = score[i]+val
}
}
void test(int a, int b, int c) {
a+=5;
b+=5;
c+=5;
cout << a << endl;
cout << b << endl;
cout << c << endl;
}
int main(void) {
int score[3] = {60, 70, 80};
//cout << sizeof(score) << endl; //12
scoreprint(score, 3);
//把数组作为函数的参数时, 是可以修改函数的参数值
//scoreadd(score, 3, 5);
scoreadd(score, 3); //默认参数 等效于:scoreadd(score, 3, 5);
scoreprint(score, 3);
int a = 6;
int b = 7;
int c = 8;
test(a, b, c);
cout << a << endl;
cout << b << endl;
cout << c << endl;
system("pause");
return 0;
}
//使用数组作为函数的参数