75分TLE求调

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

int read(void);
void writee(int x);

signed main(void)
{
    int n = read(),ans = 0;
    while(n--)
    {
        int x = read();
        ans += x;
    }
    writee(ans);
    return 0;
}

int read(void)
{
    int f = 1,x = 0;char ch = getchar();
    while(ch<'0' || ch>'9')
    {
        if(ch == '-'){f = -1;}
        ch = getchar();
    }
    while('0'<=ch && ch<='9')
    {
        x = x*10+ch-'0';
        ch = getchar();
    }
    return f*x;
}

void writee(int x)
{
    if(x < 0){putchar('-');x = -x;}
    if(x > 9){writee(x / 10);}
    putchar(x % 10 + '0');
}