Compilare: user.cpp: In function ‘bool divide(long int, long int)’: user.cpp:90: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘int solve()’: user.cpp:132: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp: In function ‘int main()’: user.cpp:152: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:153: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:154: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:156: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result /usr/include/c++/4.4/bits/stl_algo.h: In function ‘bool divide(long int, long int)’: /usr/include/c++/4.4/bits/stl_algo.h:2193: warning: array subscript is above array bounds /usr/include/c++/4.4/bits/stl_algo.h:2193: warning: array subscript is above array bounds