Compilare: user.cpp: In function ‘long double get_area(int, Point)’: user.cpp:31:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i + 1 < Poly[ind].size(); i++ ){ ^ user.cpp: In function ‘Point get_splitPoint(int, Point, long double)’: user.cpp:40:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < Poly[ind].size(); i++ ){ ^ user.cpp:48:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i + 1 < Poly[ind].size(); i++ ){ ^ user.cpp:56:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( L == Poly[ind].size() ) ^ user.cpp:59:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( R == Poly[ind].size() ) ^ user.cpp:66:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( L == Poly[ind].size() ) ^ user.cpp:68:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( R == Poly[ind].size() ) ^ user.cpp: In function ‘int main()’: user.cpp:107:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i == Poly[0].size() ) ^ user.cpp:111:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i == Poly[0].size() ) ^ user.cpp:119:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i == Poly[0].size() ) ^ user.cpp:123:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i == Poly[0].size() ) ^