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A_Angry_Students.cpp
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A_Angry_Students.cpp
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// Neepan Biswas
// neepanb ~ codeforces
#include <bits/stdc++.h>
using namespace std;
#define fr(i, n) for (lli i = 0; i < n; i++)
#define pb push_back
#define sz(x) x.size()
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define debug(x) cout << '>' << #x << ':' << x << endl;
#define cd(condition, value_if_true, value_if_false) ((condition) ? (value_if_true) : (value_if_false))
using lli = long long int;
using ld = long double;
using pi = pair<lli, lli>;
using vp = vector<pi>;
using vi = vector<lli>;
using bl = bool;
using mp = map<lli, lli>;
using ump = unordered_map<lli, lli>;
using str = string;
#pragma GCC optimize("unroll-loops,O3,Ofast")
#pragma GCC target("avx2,avx,fma,bmi,bmi2,lzcnt,popcnt")
int main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
lli t;
cin >> t;
while (t--)
{
lli a;
cin >> a;
str s;
cin >> s;
lli maxi = 0;
lli n = sz(s);
fr(i, n)
{
if (s[i] == 'A')
{
lli cnt = 0;
for (lli j = i + 1; j < n; j++)
{
if (s[j] == 'P')
{
cnt++;
}
else if (s[j] == 'A')
{
break;
}
}
maxi = max(maxi, cnt);
}
}
cout<<maxi<<endl;
}
return 0;
}