Language: C++

#include<iostream>
#include<string>
using namespace std;

int main() {
　　　int e;
　　　cin >> e;
　　　for(int i=0;i<e;i++){
　　　　　　int o=0,r=0,c=0;
　　　　　　while(1){
　　　　　　　　　string str;
　　　　　　　　　if(o==3) break;
　　　　　　　　　cin >> str;
　　　　　　　　　if(str=="HIT"){
　　　　　　　　　　　　if(r==3) c++,r--;
　　　　　　　　　　　　r++;
　　　　　　　　　}
　　　　　　　　　else if(str=="OUT") o++;
　　　　　　　　　else{
　　　　　　　　　　　　c+=r+1;
　　　　　　　　　　　　r=0;
　　　　　　　　　}
　　　}
　　　cout << c << endl;
　　　}
}

Compiler output:
a.cc:6:1: error: extended character 　 is not valid in an identifier
    6 | 　　　int e;
      | ^
a.cc:6:1: error: extended character 　 is not valid in an identifier
a.cc:6:1: error: extended character 　 is not valid in an identifier
a.cc:7:1: error: extended character 　 is not valid in an identifier
    7 | 　　　cin >> e;
      | ^
a.cc:7:1: error: extended character 　 is not valid in an identifier
a.cc:7:1: error: extended character 　 is not valid in an identifier
a.cc:8:1: error: extended character 　 is not valid in an identifier
    8 | 　　　for(int i=0;i<e;i++){
      | ^
a.cc:8:1: error: extended character 　 is not valid in an identifier
a.cc:8:1: error: extended character 　 is not valid in an identifier
a.cc:9:1: error: extended character 　 is not valid in an identifier
    9 | 　　　　　　int o=0,r=0,c=0;
      | ^
a.cc:9:1: error: extended character 　 is not valid in an identifier
a.cc:9:1: error: extended character 　 is not valid in an identifier
a.cc:9:1: error: extended character 　 is not valid in an identifier
a.cc:9:1: error: extended character 　 is not valid in an identifier
a.cc:9:1: error: extended character 　 is not valid in an identifier
a.cc:10:1: error: extended character 　 is not valid in an identifier
   10 | 　　　　　　while(1){
      | ^
a.cc:10:1: error: extended character 　 is not valid in an identifier
a.cc:10:1: error: extended character 　 is not valid in an identifier
a.cc:10:1: error: extended character 　 is not valid in an identifier
a.cc:10:1: error: extended character 　 is not valid in an identifier
a.cc:10:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
   11 | 　　　　　　　　　string str;
      | ^
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:11:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
   12 | 　　　　　　　　　if(o==3) break;
      | ^
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:12:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
   13 | 　　　　　　　　　cin >> str;
      | ^
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:13:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
   14 | 　　　　　　　　　if(str=="HIT"){
      | ^
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:14:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
   15 | 　　　　　　　　　　　　if(r==3) c++,r--;
      | ^
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:15:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
   16 | 　　　　　　　　　　　　r++;
      | ^
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:16:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
   17 | 　　　　　　　　　}
      | ^
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:17:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
   18 | 　　　　　　　　　else if(str=="OUT") o++;
      | ^
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:18:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
   19 | 　　　　　　　　　else{
      | ^
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:19:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
   20 | 　　　　　　　　　　　　c+=r+1;
      | ^
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:20:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
   21 | 　　　　　　　　　　　　r=0;
      | ^
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:21:1: error: extended character 　 is not valid in an identifier
a.cc:22:1