View Compilation Error

0_0_13309246_8649.cpp: In function 'int main()':
0_0_13309246_8649.cpp:43:23: error: 'scanf' was not declared in this scope
      scanf("%d",&casen);
                       ^
0_0_13309246_8649.cpp:63:10: error: 'INT_MAX' was not declared in this scope
        m=INT_MAX;
          ^
0_0_13309246_8649.cpp:66:22: error: 'cout' was not declared in this scope
        if(target==-1)cout<<"Case "<<j<<": -1 -1"<<endl;
                      ^
0_0_13309246_8649.cpp:66:51: error: 'endl' was not declared in this scope
        if(target==-1)cout<<"Case "<<j<<": -1 -1"<<endl;
                                                   ^
0_0_13309246_8649.cpp:67:13: error: 'cout' was not declared in this scope
        else cout<<"Case "<<j<<": "<<m<<" "<<target<<endl; 
             ^
0_0_13309246_8649.cpp:67:53: error: 'endl' was not declared in this scope
        else cout<<"Case "<<j<<": "<<m<<" "<<target<<endl; 
                                                     ^