View Code of Problem 7

#include<iostream>
using namespace std;
 
int MAX = 100000;
int map1[MAX];
int map2[MAX];
 
int main(){
  int t, blank;
  cin >> t;
  for(int i = 0; i < t; ++i){
  	int n;
    	cin >> n;
    for(int j = 0; j < n; j++){
    	int a,b;
      	char c;
      	cin >> a >> c >> b;
      	map1[a] = b;
      	map2[b] = a;
    }
    int m;
    cin >> m;
    for(int j = 0; j < m; j++){
    	int q;
      	cin >> q;
      	if(map1[q] != 0){
        	cout << map1[q] << endl;
    	}else if(map2[q] != 0){
        	cout << map2[q] << endl;
        }else{
        	cout << "UNKNOW" << endl;
        }
    }
    cout << endl;
  }
  return 0;
}
/*
Main.cc:5:13: error: array bound is not an integer constant before ']' token
 int map1[MAX];
             ^
Main.cc:6:13: error: array bound is not an integer constant before ']' token
 int map2[MAX];
             ^
Main.cc: In function 'int main()':
Main.cc:18:8: error: 'map1' was not declared in this scope
        map1[a] = b;
        ^~~~
Main.cc:18:8: note: suggested alternative: 'main'
        map1[a] = b;
        ^~~~
        main
Main.cc:19:8: error: 'map2' was not declared in this scope
        map2[b] = a;
        ^~~~
Main.cc:19:8: note: suggested alternative: 'main'
        map2[b] = a;
        ^~~~
        main
Main.cc:26:11: error: 'map1' was not declared in this scope
        if(map1[q] != 0){
           ^~~~
Main.cc:26:11: note: suggested alternative: 'main'
        if(map1[q] != 0){
           ^~~~
           main
Main.cc:28:15: error: 'map2' was not declared in this scope
      }else if(map2[q] != 0){
               ^~~~
Main.cc:28:15: note: suggested alternative: 'main'
      }else if(map2[q] != 0){
               ^~~~
               main
Main.cc:9:10: warning: unused variable 'blank' [-Wunused-variable]
   int t, blank;
          ^~~~~
*/