题解 | #买卖股票的最好时机(一)#
买卖股票的最好时机(一)
https://www.nowcoder.com/practice/351b87e53d0d44928f4de9b6217d36bb
#include <iostream>
using namespace std;
int main() {
int n;
cin>>n;
int ret = 0;
int j = 0;
int a;
for(int i=0;i<n;i++)
{
cin>>a;
if(i==0) j = a;
if(a-j>ret) ret = a-j;
if(a<j) j = a;
}
cout << ret <<endl;
return 0;
}
