console.log(num);// 输出: undefinedvar num =0;
console.log(num);// 输出: 0var sum =0;functionsum(){console.log(1+1);}
console.log(sum);// 输出: 0sum();// TypeError: sum is not a function
题干 C实现
#include <stdio.h>
#include <algorithm>
using namespace std;long long s[1000001];
long long dp[1000002];//dp[i]是前i个元素中必须包含右边缘的最大子序和int main() {int n;scanf("%d",&n);for(int i 0; i< n;i){scanf(&quo…