Compilare: user.cpp: In function ‘double ComputeAnswer()’: user.cpp:79:59: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(points[Stack[i-1]].y>points[Stack[i]].y||i==top&&points[Stack[i-1]].y==points[Stack[i]].y){ ^ user.cpp: In function ‘int main()’: user.cpp:98:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:96:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("insula2.in","r",stdin); ^ user.cpp:97:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("insula2.out","w",stdout); ^ user.cpp:99:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:108:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf",&points[i].y,&points[i].x); ^