Borderou de evaluare (job #294611)

Compilare: user.cpp: In function 'int main()': user.cpp:50:5: warning: unused variable 'n' [-Wunused-variable] user.cpp:50:13: warning: unused variable 'lit' [-Wunused-variable] user.cpp:81:10: warning: unused variable 'j' [-Wunused-variable] user.cpp:91:5: warning: unused variable 'nr0' [-Wunused-variable] user.cpp:48:30: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:49:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:55:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:60:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:63:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:68:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:71:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:73:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp: In function 'int column(int)': user.cpp:41:1: warning: control reaches end of non-void function [-Wreturn-type]