Compilare: user.cpp: In function ‘int main()’: user.cpp:56:57: 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:52:14: warning: variable ‘found’ set but not used [-Wunused-but-set-variable] bool found = false; R = -1; ^ user.cpp:31:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(IN, "r", stdin); ^ user.cpp:32:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(OUT, "w", stdout); ^ user.cpp:34:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Tes); ^ user.cpp:38:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &p[1]); ^