Compilare: user.cpp: In function ‘void Rotate(Point&)’: user.cpp:36:11: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] Point tmp = p; ^ user.cpp: In function ‘int main()’: user.cpp:102:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vfs.size();i++){ ^ user.cpp:109:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vfs.size();i++){ ^ user.cpp:118:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<vfs.size()-1;i++){ ^ user.cpp:61:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.in","r",stdin); ^ user.cpp:62:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.out","w",stdout); ^ user.cpp:66:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&n); ^ user.cpp:67:68: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++) {scanf("%lf %lf",&Poly[0][i].x,&Poly[0][i].y);Rotate(Poly[0][i]);} ^ user.cpp:68:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&m); ^ user.cpp:69:68: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=m;i++) {scanf("%lf %lf",&Poly[1][i].x,&Poly[1][i].y);Rotate(Poly[1][i]);} ^