Eroare de compilare: user.cpp: In function ‘void read()’: user.cpp:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void bf(int, int)’: user.cpp:40: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void prep()’: user.cpp:59: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int BF()’: user.cpp:72: error: ‘memset’ was not declared in this scope user.cpp:80: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void recons()’: user.cpp:110: error: ‘memset’ was not declared in this scope user.cpp:117: warning: comparison between signed and unsigned integer expressions user.cpp:125: warning: comparison between signed and unsigned integer expressions user.cpp:132: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:137: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:138: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result