无意

#include <bits/stdc++.h> using namespace std;

int main() {

int a[200][200];
int n;
cin >> n;
memset(a, 0, sizeof(a));
for (int i = 1; i <= n; i++) {
	for (int j = 1; j <= n; j++) {
		if (i == 1 || i == n) {
			for (int k = 1; k <= n; k++) {
				a[i][k] = 1;
			}
			break;
		}
		if (j == 1 || j == n) {
			a[i][j] = 1;
		}
	}
}
int p = n / 2, q = p + 1;
int flag = 0;
for (int i = 2; i <= n; i++) {
	if (p == 2 && q == n - 2 + 1) {
		a[i][p] = 1;
		a[i][q] = 1;
		break;
	}
	a[i][q] = 1;
	a[i][p] = 1;
	p--;
	q++;
}
p = 2, q = n - 1;

for (int i = n / 2 + 1; i <= n; i++) {
	a[i][p] = 1;
	a[i][q] = 1;
	p++;
	q--;
}

for (int i = 1; i <= n; i++) {
	for (int j = 1; j <= n; j++) {
		if (a[i][j] == 1) {
			cout << "*";
		} else {
			cout << " ";
		}
	}
	cout << endl;
}
return 0;

}