@[drinkto_wind](/user/931825)
```cpp
if(y-x>0)
suma+=y-x;
```
也许是<0时？
by zhouzihang1 @ 2023-11-26 09:41:49
好像不是
by zhouzihang1 @ 2023-11-26 09:43:26
@[zhouzihang1](/user/827018) 6
by drinktowind @ 2023-11-26 09:43:54
@[drinktowind](/user/719619)
```cpp
#include <bits/stdc++.h>
#define ll long long
#define Debug(IAKIOI) cout<<IAKIOI<<endl
using namespace std;
ll n,x,y,suma,sumb;
int main()
{
cin>>n>>x;
n--;
while(n--)
{
cin>>y;
int cha=y-x;
if(cha<0) suma-=cha;
else sumb+=cha;
x=y;
}
cout<<max(suma,sumb)<<'\n'<<abs(suma-sumb)+1;
return 0;
}
```
ok啦
by zhouzihang1 @ 2023-11-26 09:48:38
@[drinktowind](/user/719619) 你算suma和sumb时写反了
by zhouzihang1 @ 2023-11-26 09:49:12
@[drinktowind](/user/719619) 你小子很nb哦，敢c黑题的tj了
by zhouzihang1 @ 2023-11-26 09:53:00
@[drinkto_wind](/user/931825)
证据如下：
[Solution](https://www.luogu.com.cn/blog/556362/solution-at-code-festival-2017-qualb-f)
[Your_Submission](https://atcoder.jp/contests/code-festival-2017-qualb/submissions/47955358)
by zhouzihang1 @ 2023-11-26 09:55:05
@[zhouzihang1](/user/827018) 666,我自己打的代码，这题很简单啊
by drinktowind @ 2023-11-26 09:56:34
@[zhouzihang1](/user/827018) 有没有可能，这道绿题是我suma,sumb没定义初始值
by drinktowind @ 2023-11-26 09:58:00
@[drinktowind](/user/719619) 有可能
by zhouzihang1 @ 2023-11-26 10:00:31