最后一个数据 TLE 了

#include <iostream>
#include <cstdio>

using namespace std;

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


int main() {
    int n = read();
    long long sum = 0;
    for (int i = 0; i < n; ++i) {
        int num = read();
        sum += num;
    }
    printf("%lld\n", sum);  // 使用 printf 代替 cout 输出，printf 性能可能更好
    return 0;
}