Borderou de evaluare (job #166891)

Compilare: user.cpp: In function ‘int getval(int&)’: user.cpp:14:28: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘void bkt(int)’: user.cpp:90:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘int main()’: user.cpp:112:12: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:96:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:97:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:100:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:102:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:103:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:106:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] /tmp/ccFzlY9W.o: In function `main': user.cpp:(.text.startup+0xbf): warning: the `gets' function is dangerous and should not be used.