View Compilation Error

0_0_30335309_21778.cpp: In function 'int main()':
0_0_30335309_21778.cpp:50:5: error: 'cin' was not declared in this scope
     cin>>map[i][j];
     ^
0_0_30335309_21778.cpp:65:4: error: 'cout' was not declared in this scope
    cout<<"-1";
    ^
0_0_30335309_21778.cpp:69:3: error: 'cout' was not declared in this scope
   cout<<endl;
   ^
0_0_30335309_21778.cpp:69:9: error: 'endl' was not declared in this scope
   cout<<endl;
         ^