Compilare: user.cpp: In function ‘int main()’: user.cpp:12:15: warning: unused variable ‘m’ [-Wunused-variable] int K, n, m, x, y; ^ user.cpp:10:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("licenta.in", "rt", stdin); ^ user.cpp:11:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("licenta.out", "wt", stdout); ^