Eroare de compilare: user.cpp:17:11: error: ‘nod’ was not declared in this scope bool comp(nod a, nod b){ ^ user.cpp:17:18: error: ‘nod’ was not declared in this scope bool comp(nod a, nod b){ ^ user.cpp:17:23: error: expression list treated as compound expression in initializer [-fpermissive] bool comp(nod a, nod b){ ^ user.cpp:17:24: error: expected ‘,’ or ‘;’ before ‘{’ token bool comp(nod a, nod b){ ^ user.cpp: In function ‘int formula(int, int, int, int)’: user.cpp:25:1: error: expected ‘;’ before ‘}’ token } ^ user.cpp: In function ‘bool patrat(int, int, int, int)’: user.cpp:30:20: error: expected primary-expression before ‘or’ token if ( a1 == a ) or ( b1 == b ) return 1;// linie drapta sub 90 grade. ^ user.cpp:30:35: error: expected ‘;’ before ‘return’ if ( a1 == a ) or ( b1 == b ) return 1;// linie drapta sub 90 grade. ^ user.cpp: In function ‘int main()’: user.cpp:51:10: error: ‘i’ cannot be used as a function for ( i(0) ; i<=N ; ++i ) ^ user.cpp:62:10: error: ‘i’ cannot be used as a function for ( i(0) ; i<=(N-1)*N*(N+1) ; ++i ) ^ user.cpp:67:10: error: ‘i’ cannot be used as a function for ( i(0) ; i<=(N-1)*N*(N+1) ; ++i ) ^ In file included from /usr/include/c++/4.8/algorithm:62:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64, from user.cpp:2: /usr/include/c++/4.8/bits/stl_algo.h: In instantiation of ‘void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = bool]’: /usr/include/c++/4.8/bits/stl_algo.h:2250:70: required from ‘void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = bool]’ /usr/include/c++/4.8/bits/stl_algo.h:5514:55: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = punct*; _Compare = bool]’ user.cpp:59:16: required from here /usr/include/c++/4.8/bits/stl_algo.h:2183:29: error: ‘__comp’ cannot be used as a function if (__comp(*__i, *__first)) ^ /usr/include/c++/4.8/bits/stl_algo.h: In instantiation of ‘void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = punct*; _Compare = bool]’: /usr/include/c++/4.8/bits/stl_algo.h:5363:59: required from ‘void std::partial_sort(_RAIter, _RAIter, _RAIter, _Compare) [with _RAIter = punct*; _Compare = bool]’ /usr/include/c++/4.8/bits/stl_algo.h:2355:68: required from ‘void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = punct*; _Size = int; _Compare = bool]’ /usr/include/c++/4.8/bits/stl_algo.h:5513:44: required from ‘void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = punct*; _Compare = bool]’ user.cpp:59:16: required from here /usr/include/c++/4.8/bits/stl_algo.h:1972:27: error: ‘__comp’ cannot be used as a function if (__comp(*__i, *__first))