Compilare: user.cpp: In function ‘void Solve(int)’: user.cpp:50:13: warning: unused variable ‘End’ [-Wunused-variable] int End=0,Begin=1,cand=0; ^ user.cpp:50:19: warning: unused variable ‘Begin’ [-Wunused-variable] int End=0,Begin=1,cand=0; ^ user.cpp: In function ‘int main()’: user.cpp:80:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tort3.out","w",stdout); ^