Compilare: user.cpp: In function ‘int main()’: user.cpp:27: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘bool*’ user.cpp:50: warning: comparison between signed and unsigned integer expressions user.cpp:22: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:23: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void bkt(int)’: user.cpp:61: warning: comparison between signed and unsigned integer expressions