Compilare: user.cpp: In function ‘int main()’: user.cpp:80:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "barbar.in", "r", stdin ); ^ user.cpp:81:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "barbar.out", "w", stdout ); ^ user.cpp:86:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d%d\n", &n, &m ); ^ user.cpp:92:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%c", &k ); ^ user.cpp:118:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "\n" ); ^ user.cpp:149:35: warning: ‘oc’ may be used uninitialized in this function [-Wmaybe-uninitialized] if( cale(pas+i,il,ic,ol,oc)==1 ) ^ user.cpp:149:35: warning: ‘ol’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:149:35: warning: ‘ic’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:149:35: warning: ‘il’ may be used uninitialized in this function [-Wmaybe-uninitialized]