快读快写板子

#include 

using namespace std;

inline int read(){
    int x = 0,f = 1;
    char c = getchar();
    while(c<'0' || c>'9'){
        if(c == '-') f = -1;
        c = getchar();
    }///整数符号
    while(c>='0' && c<='9'){
        x = (x<<3) + (x<<1) + (c^48);
        c = getchar();
    }///挪位加数
    return x*f;
}

inline void write(int x){
    if(x<0){
        putchar('-');
        x=-x;
    }
    if(x>=10) write(x/10);
    putchar(x%10+'0');
}

int main(){
    int n = read();
    write(n);
}