rascoala.cpp: In function 'void read()': rascoala.cpp:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result rascoala.cpp:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result rascoala.cpp:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result rascoala.cpp: In function 'void solve()': rascoala.cpp:142: warning: 'minim' may be used uninitialized in this function