Compilare: user.cpp: In function ‘void read()’: user.cpp:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void search(long int, long int, long int)’: user.cpp:103: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘int main()’: user.cpp:150: warning: format ‘%s’ expects type ‘char*’, but argument 2 has type ‘char (*)[100010]’ user.cpp:139: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:140: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:149: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:150: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result