0_0_30626376_22369.cpp: In function 'int main()':
0_0_30626376_22369.cpp:17:5: error: 'cout' was not declared in this scope
cout<<endl;
^
0_0_30626376_22369.cpp:17:11: error: 'endl' was not declared in this scope
cout<<endl;
^
0_0_30626376_22369.cpp:26:44: error: 'next_permutation' was not declared in this scope
} while(next_permutation(a + 1, a + 1 + 4) );
^
|