感谢🙏

#include <bits/stdc++.h> #include using namespace std; #define ll long long #define IOS ios::sync_with_stdio(0),cin.tie(0),cout.tie(0) int t,n,k,i,sum; string a; int main(){ cin>>t; while(t--){ sum=0; cin>>n>>k; cin>>a; while(a.front()!='a' && k>0){ a.push_back(a.front()); a.erase(0,1); k--; } for(int i=0;i<n;i++) if(a[i]'a')sum+=(a.substr(i,5)"apple"); cout<<sum<<endl; } return 0; }