题解 | #查找学生信息#

#include <bits/stdc++.h>
using namespace std;

struct Student{
	string id;
	string name;
	string sex;
	int age;
};
Student student[1001];

void find(string id,int n){
	int flag=0;
	for(int i=0;i<n;i++){
		if(id==student[i].id){
			flag=1;
			cout<<student[i].id<<" "<<student[i].name<<" "<<student[i].sex<<" "<<student[i].age<<endl;
		}
	}
	if(!flag){
		cout<<"No Answer!"<<endl;
	}
}
int main(){
	int n,m;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>student[i].id>>student[i].name>>student[i].sex>>student[i].age;
	}
	cin>>m;
	string fid; 
	for(int i=0;i<m;i++){
		cin>>fid;
		find(fid,n);
	}
	return 0;
}

注意“No Answer"的情况！