Borderou de evaluare (job #252942)

Compilare: user.cpp: In function ‘int sol(int*, int, int)’: user.cpp:21:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int BackTrack(int*, int)’: user.cpp:33:1: warning: no return statement in function returning non-void [-Wreturn-type] user.cpp: In function ‘int main()’: user.cpp:36:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:39:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]