Compilare: user.cpp: In function ‘void Solve()’: user.cpp:75:13: warning: unused variable ‘nb’ [-Wunused-variable] int nb=0; ^ user.cpp: In function ‘void Read()’: user.cpp:21:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&N,&M); ^ user.cpp:24:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf",&P[i].x,&P[i].y); ^ user.cpp: In function ‘void Solve()’: user.cpp:73:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf",&v.x,&v.y); ^ user.cpp: In function ‘int main()’: user.cpp:138:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("terenuri.in","r",stdin); ^ user.cpp:139:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("terenuri.out","w",stdout); ^