Eroare de compilare: user.cpp:5:1: error: declaration does not declare anything [-fpermissive] int ; ^ user.cpp: In function ‘bool sorted(int)’: user.cpp:14:17: error: ‘N’ was not declared in this scope val ^= ((1<<N) - 1), val ++; ^ user.cpp: In function ‘int unde(int, int)’: user.cpp:25:22: error: ‘M’ was not declared in this scope for (int i=1; i<=M; i++) ^ user.cpp:27:9: error: ‘V’ was not declared in this scope V[i][X] = val; ^ user.cpp:28:17: error: ‘per’ was not declared in this scope int Y = per[i][X]; ^ user.cpp:29:13: error: ‘v’ was not declared in this scope if (v[i][Y] && X > Y) X = Y; ^ user.cpp:31:20: error: ‘y’ was not declared in this scope if ((!v[i][y]) && ) ^ user.cpp:31:27: error: expected primary-expression before ‘)’ token if ((!v[i][y]) && ) ^ user.cpp:32:5: error: expected primary-expression before ‘}’ token } ^ user.cpp:32:5: error: expected ‘;’ before ‘}’ token user.cpp:33:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:40:18: error: ‘N’ was not declared in this scope scanf ("%d %d", &N, &M); ^ user.cpp:40:22: error: ‘M’ was not declared in this scope scanf ("%d %d", &N, &M); ^ user.cpp:47:9: error: ‘per’ was not declared in this scope per[i][B] = A, per[i][A] = B; ^ user.cpp:37:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("sortnet.in", "r", stdin); ^ user.cpp:38:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("sortnet.out", "w", stdout); ^ user.cpp:46:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]