2numere.cpp: In function 'int main()': 2numere.cpp:13: warning: integer overflow in expression 2numere.cpp:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result 2numere.cpp:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result 2numere.cpp:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result 2numere.cpp:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result 2numere.cpp:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result /usr/include/c++/4.4/bits/stl_algo.h:2178: warning: array subscript is above array bounds /usr/include/c++/4.4/bits/stl_algo.h:2178: warning: array subscript is above array bounds 2numere.cpp:13: warning: 'xx' may be used uninitialized in this function 2numere.cpp:13: warning: 'yy' may be used uninitialized in this function