View Compilation Error

0_0_19033765_6873.cpp: In function 'int main()':
0_0_19033765_6873.cpp:26:2: error: 'cin' was not declared in this scope
  cin>>n>>m;
  ^
0_0_19033765_6873.cpp:49:3: error: 'cout' was not declared in this scope
   cout<<left<<setw(10)<<test[i].name<<' ';
   ^
0_0_19033765_6873.cpp:49:9: error: 'left' was not declared in this scope
   cout<<left<<setw(10)<<test[i].name<<' ';
         ^
0_0_19033765_6873.cpp:49:22: error: 'setw' was not declared in this scope
   cout<<left<<setw(10)<<test[i].name<<' ';
                      ^
0_0_19033765_6873.cpp:50:9: error: 'right' was not declared in this scope
   cout<<right<<setw(2)<<test[i].AC<<' ';
         ^