4.#
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生命期
1#include <iostream>
2
3using namespace std;
4
5int func(int m, int& n) {
6 int b = 0;
7 static int c = 4;
8 b += 2;
9 c += 1;
10 n += m + b + c;
11 return n;
12}
13
14int main() {
15 int a = 4;
16 int y = 2;
17 int* p = &y;
18 std::cout << func(a, *p) << '\n';
19 std::cout << func(a, *p) << '\n';
20 std::cout << func(a, *p) << '\n';
21 std::cout << func(a, *p) << '\n';
22 cout << y;
23 return 0;
24}