20分求hack数据

#include<bits/stdc++.h>
#define ll int64_t
using namespace std;
ll t,a,b,c,n,ans=0,A,B,C;
string s;
int main(){
	cin>>t;
	while(t--){
		cin>>n>>a>>b>>c>>s;
        A=0,B=0,C=0;
		ans=0;
		for(ll i=0;i<n;i++){
            if(s[i]=='5' && s[i+1]=='2' && s[i+2]=='0') ans++,i+=2;
			else if(s[i]=='5' && s[i+1]=='2' && c>0) ans++,c--,i++;
			else if(s[i]=='5' && s[i+1]=='0' && b>0) ans++,b--,i++;
			else if(s[i]=='2' && s[i+1]=='0' && a>0) ans++,a--,i++;
			else if(s[i]=='5') A++;
			else if(s[i]=='2') B++;
			else C++;
		}
		cout<<min(a+A,min(b+B,c+C))+ans<<endl;
	}
	return 0;
}