fast io c++
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL);fast io c++
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL);fast io c++
#include <bits/stdc++.h>
using namespace std;
template <typename T> void in(T& x) // fast input
{
x = 0; T f = 1;
char ch = getchar();
while (!isdigit(ch)) f = ch == '-' ? - f : f, ch = getchar();
while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar();
x *= f;
}
template<typename T> void out(T n) //fast output
{
bool neg = 0;
if (n < 0)
n *= -1, neg = 1;
char snum[20];
int i = 0;
do
{
snum[i++] = n % 10 + '0';
n /= 10;
}
while (n);
--i;
if (neg)
putchar('-');
while (i >= 0)
putchar(snum[i--]);
putchar('\n');
}
main() { //My Test
int n;
in(n);
out(n);
}fast io c++
fastio.pythonanywhere.com
/* A tool to optimize execution time of C++ codes by replacing methods of
reading and writing variables */fast io c++
#define FastIO ios_base::sync_with_stdio(false); cin.tie(NULL);Copyright © 2021 Codeinu
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