Borderou de evaluare (job #166978)

Compilare: user.cpp: In function ‘int getval(int&)’: user.cpp:25:34: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘void bkt(int)’: user.cpp:85:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] user.cpp: In function ‘int main()’: user.cpp:105:21: warning: NULL used in arithmetic [-Wpointer-arith] user.cpp:110:15: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:116:12: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:93:12: warning: unused variable ‘len’ [-Wunused-variable] user.cpp:91:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:92:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:95:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:97:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:98:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:101:12: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] /tmp/cc3FV3XW.o: In function `main': user.cpp:(.text.startup+0xce): warning: the `gets' function is dangerous and should not be used.