1932A - Thorns and Coins - CodeForces Solution

dp greedy implementation

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C++ Code: 

#include <bits/stdc++.h>
using namespace std;
#define int long long int
main() {
    
    int t;
    cin >> t;
    
    while(t--)
    {
        int n;
        cin >> n;
        
        string p;
        cin >> p;
        int count=0;
        
        for(int i = 0 ; i < n ; i ++)
        {
            if(p [i] == '@') 
            {
                count ++;
            }
            
            if(p [i] == '*' && p [i+1] == '*')
            {
                break;
            }
        }
        
        cout << count << endl;
    }
}


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