~!!!!@#$%^&*()_+QWWWERTYUIOP_{}|ASDFGHJKL:"XZCVNB<M>?`1234567890-=

哆啦A梦 LDNH  •  26天前


qwertyuiop[]\asdfghjkl;'zxcvbnm,./

int n;
cin >> n;
long long sum = 1;
if (n % 2 == 0) {
	for (int i = 2; i <= n; i = i + 2) {
		sum = sum * i % 100000;
	}
} else {
	for (int i = 1; i <= n; i = i + 2) {
		sum = sum * i % 100000;
	}
}
cout << sum;

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