求助

#include<bits/stdc++.h>
using namespace std;
int t,n;
string ss;
string w;
bool flag=true;
string y;
char c;
string s[60];
string A="1000",B="0100",C="0010",D="0001";
int sum=0;
double point,grade;
void a(){
	for (int i=1;i<=16;i++){
		cin>>c;
		if(c-'0'==1) sum+=pow(2,16-i);
	}
	if(sum>=1 and sum<=10000) cout<<"ID:"<<sum<<endl;
	else {
		flag=false;
		cout<<"Wrong ID"<<endl;
	}
	return ;
}
void check(char x){
	cin>>y;
	if(flag==false) return ;
	else 
		if((x=='0'&&y=="10") or (x=='1'&&y=="01")) cout<<"Type Correct"<<endl;
		else cout<<"Type Incorrect"<<endl;
	return;
}
void end(){
	grade=100.00;
	for (int i=1;i<=n;i++){
		cin>>y;
		if(y!=s[i]) grade-=point;
	}
	if(flag==false) return ;
	printf("%.1lf\n",grade);
	return ;
}
int main(){
	cin>>t>>n;
	cin>>w;
	for (int i=0;i<n;i++){
		if(w[i]=='A') s[i+1]=A;
		else if(w[i]=='B') s[i+1]=B;
		else if(w[i]=='C') s[i+1]=C;
		else s[i+1]=D;
	}
	point=100.00/n;
	for (int i=1;i<=t;i++){
		flag=true;
		a();
		check(c);
		end();
		cout<<endl;
	}
	return 0;
}