Compilare: user.cpp: In function ‘void sipet()’: user.cpp:58:57: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if ( bb[n - pos] && (R == -1 || R != -1 && A + B + C < v[n - pos].a + v[n - pos].b + c )) ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:31:10: warning: variable ‘found’ set but not used [-Wunused-but-set-variable] bool found; ^~~~~ user.cpp:32:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d%d", &n, &p1 ); ^ user.cpp: In function ‘int main()’: user.cpp:81:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "sipet.in", "r", stdin ); ^ user.cpp:82:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "sipet.out", "w", stdout ); ^ user.cpp:84:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d", &t ); ^