Compilare: user.cpp: In function ‘int main()’: user.cpp:11:25: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[256]’ [-Wformat=] scanf( "%s", &x ); ^ user.cpp:5:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "ecuatii2.in", "r", stdin ); ^ user.cpp:6:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "ecuatii2.out", "w", stdout ); ^ user.cpp:9:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &m ); ^ user.cpp:11:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%s", &x ); ^