Piaoztsdy (pztsdy/pztsdy2023)

QQ: $\textrm{2892449003}$

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Welcome to my website

An interesting video

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快读快写

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

#ifdef __unix__
#define getchar getchar_unlocked
#define putchar putchar_unlocked
#else
#define getchar _getchar_nolock
#define putchar _putchar_nolock
#endif

void faprint(long long n) {
	if (n < 0) {
		putchar('-');
		n = -n;
	}
	if (n > 9) {
		faprint(n / 10);
	}
	putchar(n % 10 + '0');
}

long long faread() {
	long long x = 0;
	bool f = true;
	char ch = getchar();
	
	for (; ch < '0' || ch > '9'; ch = getchar()) {
		if (ch == '-') f = false;
	}
	
	for (; ch >= '0' && ch <= '9'; ch = getchar()) {
		x = (x << 3) + (x << 1) + (ch ^ '0');
	}
	
	return f ? x : -x;
}



int main() {
	
	return 0;
}