Compilare: user.cpp: In function ‘int solve()’: user.cpp:46: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:55: warning: format ‘%d’ expects type ‘int*’, but argument 2 has type ‘short int*’ user.cpp:53: warning: unused variable ‘ok’ user.cpp:50: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:51: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:55: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:58: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:61: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result