#include<bits/stdc++.h>
using namespace std;
long long n,l1,l2,k,ans,gaxs,shekr;
string s;
int main()
{
cin>>n;
cin>>s;
for(k=1;k<=n-1;k++)
{
cin>>l1>>l2;
}
for(k=1;k<=n;k++)
{
if(s[k-1]=='('){
gaxs++;
}
else{
if(gaxs==0)
{
shekr=0;
continue;
}
if(gaxs>1)
{
ans+=1;
}
if(gaxs==1)
{
ans+=1;
ans+=shekr;
shekr++;
}
gaxs--;
}
}
gaxs=0;
shekr=0;
for(k=n;k>=1;k--)
{
if(s[k-1]=='('){
gaxs++;
}
else{
if(gaxs==0)
{
shekr=0;
continue;
}
if(gaxs>1)
{
ans+=1;
}
if(gaxs==1)
{
ans+=1;
ans+=shekr;
shekr++;
}
gaxs--;
}
}
cout<<ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
213 ms |
4788 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |