题解 | #单组_一维数组#

#include <stdio.h>

int main() {
    int n = 0;//数组元素个数
    scanf("%d", &n);
    long arr[n];//c99
    int i = 0;//遍历
    long sum = 0;//求和
    for(i = 0; i < n; i++)//数组输入
    {
        scanf("%ld ", &arr[i]);
        sum = sum + arr[i];
    }
    printf("%ld\n", sum);//打印
    return 0;
}