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Copy pathMaximumBalances.cpp
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90 lines (82 loc) · 2.04 KB
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#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define REP(i,a,b) for (int i = a; i <b; i++)
typedef long long ll;
#define int ll
typedef vector<int> vi;
typedef vector<long long> vl;
typedef pair<int,int> pi;
#define trace(x) cout<<#x<<"="<<x<<"\n";
#define sz(x) (int)(x.size())
#define mod 1000000007
#define endl "\n"
template < typename F, typename S >
ostream& operator << ( ostream& os, const pair< F, S > & p ) {
return os << "(" << p.first << ", " << p.second << ")";
}
template < typename T >
ostream &operator << ( ostream & os, const vector< T > &v ) {
os << "{";
typename vector< T > :: const_iterator it;
for( it = v.begin(); it != v.end(); it++ ) {
if( it != v.begin() ) os << ", ";
os << *it;
}
return os << "}";
}
template < typename T >
ostream &operator << ( ostream & os, const set< T > &v ) {
os << "[";
typename set< T > :: const_iterator it;
for ( it = v.begin(); it != v.end(); it++ ) {
if( it != v.begin() ) os << ", ";
os << *it;
}
return os << "]";
}
template < typename F, typename S >
ostream &operator << ( ostream & os, const map< F, S > &v ) {
os << "[";
typename map< F , S >::const_iterator it;
for( it = v.begin(); it != v.end(); it++ ) {
if( it != v.begin() ) os << ", ";
os << it -> first << " = " << it -> second ;
}
return os << "]";
}
#define deb(x) cerr << #x << " = " << x << endl;
class MaximumBalances{
public:
int solve(string s){
int o=0, c=0;
for(auto g:s){
if(g=='('){
o++;
}
else{
c++;
}
}
int poss=min(o,c);
int ans=0;
// ans+=poss;
for(int i=0;i<poss;i++){
for(int j=i;j<poss;j++){
ans++;
}
}
return ans;
}
};
int32_t main(){
ios::sync_with_stdio(false);
MaximumBalances M;
string s;
cin>>s;
deb(M.solve(s));
return 0;
}