+1
同样50分
```
#include <bits/stdc++.h>
using namespace std;
string s;
int breaket(int l, int r)
{
int l1, r1, a = 0, ans = 0;
for (int i = l; i <= r; i++)
{
if (s[i] == '|'){
ans = max(ans, a);
a = 0;
}
else if (s[i] == 'a')
a++;
else if (s[i] == '(')
{
l1 = i + 1;
while (s[i] != ')') i++;
r1 = i - 1;
a += breaket(l1, r1);
}
}
ans = max(ans, a);
return ans;
}
int main()
{
cin >> s;
cout << breaket(0, s.length() - 1) << endl;
}
```
by sophisticate @ 2018-10-09 14:36:39
+1 50
```cpp
#include<bits/stdc++.h>
using namespace std;
int read()
{
int x=0,y=1;char ch=getchar();
while(ch>'9'||ch<'0'){if(ch=='-')y=-1;ch=getchar();}
while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}
return x*y;
}
int work(int sum)
{
char c;
while(scanf("%c",&c)!=EOF)
{
if((c=='a')) sum++;
else if(c=='(')sum+=work(0);
else if(c=='|')sum=max(sum,work(0));
else return sum;
}
return sum;
}
int main()
{
int mm=work(0);
cout<<mm;
return 0;
}
```
by 问天 @ 2019-06-15 16:43:24
+1 50
```cpp
#include "cstring"
#include "cstdio"
#include "iostream"
using namespace std;
int se(int);
int main(){
printf("%d",se(0));
return 0;
}
int se(int k)
{
char c;
while(scanf("%c",&c)!=EOF&&c!='\n')
{
switch(c)
{
case 'a' :k++;break;
case '(' :k+=se(0);break;
case ')' :return k;
case '|' :k=max(k,se(0));break;
}
}
return k;
}
```
by seven_sin @ 2019-09-20 18:51:19
+1 50
```cpp
#include <cstdio>
#include <algorithm>
#include <cstring>
using namespace std;
char now;
int dfs()
{
int ans = 0;
while(scanf("%c",&now)!=EOF)
{
switch(now)
{
case 'a':
{
ans++;
break;
}
case '(':
{
ans+=dfs();
break;
}
case ')':
return ans;
case '|':
{
ans = max(ans, dfs());
break;
}
}
}
return ans;
}
int main()
{
printf("%d", dfs());
return 0;
}
```
by walk_alone @ 2021-01-23 13:02:14
楼上的各位我好像懂了：当遇见符号为“|”时，应当直接返回，而不是继续循环，因为左半边的计算已经停止了。
by walk_alone @ 2021-01-23 13:04:34
`楼上的各位我好像懂了：当遇见符号为“|”时，应当直接返回，而不是继续循环，因为左半边的计算已经停止了。1`
谁能举例说明一下？
by _Sunmoon_ @ 2022-02-09 09:36:39
@[Dragon_Horse](/user/394167) (aaaaa|(aaa|aa))a
by 0410yy @ 2022-07-18 13:58:07