Compilare: user.cpp: In function ‘void in_doua()’: user.cpp:23:20: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while ((v[p2]==0)&&(p2<n)||(p2==p1)) ^ user.cpp: In function ‘int main()’: user.cpp:57:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("borcane.in","r",stdin); ^ user.cpp:58:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("borcane.out","w",stdout); ^ user.cpp:59:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&n); ^ user.cpp:61:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&v[i]); ^