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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define pb push_back
  4. #define REP(i,a,b) for (int i=a; i<=b; i++)
  5. #define MOD 1000000007
  6. #define PI 4 * atan(1)
  7. #define sz(A) (int)A.size()
  8. typedef long long ll;
  9. typedef vector<int>  vi;
  10. typedef pair<int,int> pii;
  11. typedef vector<long long> vll;
  12. typedef long int int32;
  13. typedef unsigned long int uint32;
  14. typedef long long int int64;
  15. typedef unsigned long long int  uint64;
  16.  
  17. void solve(){
  18.     string s; cin >> s;
  19.     stack<int> st;
  20.     int pos = -1;
  21.     int res = 0;
  22.     for(int i=0; i<s.size(); i++){
  23.         if(s[i] == '*'){
  24.             pos = i;
  25.         }else{
  26.             if(s[i] == '(') st.push(i);
  27.             else if(s[i] == ')'){
  28.                 if(st.top() < pos){
  29.                     res += 1;
  30.                 }
  31.                 st.pop();
  32.             }
  33.         }
  34.     }
  35.     cout << res << "\n"; 
  36.  
  37. }
  38. int main(){
  39.     ios_base::sync_with_stdio(false);
  40.     cin.tie(NULL); cout.tie(NULL);
  41.     int typetest =1;
  42.     if(typetest){
  43.         int t;cin >> t;
  44.         cin.ignore();
  45.         while(t--){  
  46.             solve();
  47.  
  48.         }
  49.     }
  50.     else solve();
  51. }
  52.  
Success #stdin #stdout 0.01s 5220KB
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https://ideone.com/JZL4No
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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