Compilare: main.cpp: In function 'db d(punct, punct, punct)': main.cpp:50:13: warning: statement has no effect [-Wunused-value] 50 | P.y + A.y; | ~~~~^~~~~ main.cpp: In function 'punct flip_up(punct)': main.cpp:71:9: warning: unused variable 'x' [-Wunused-variable] 71 | int x = A.x, y = A.y; | ^ main.cpp: In function 'int main()': main.cpp:135:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 135 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_up(flip_rosu[i]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:136:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 136 | for(int i = 0; i < flip_sol.size(); i++) flip_sol[i] = flip_up(flip_sol[i]); | ~~^~~~~~~~~~~~~~~~~ main.cpp:139:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | for(int i = 0; i < flip_sol.size(); i++) solutii.push_back( mkpct(flip_sol[i].x, flip_sol[i].y) ); | ~~^~~~~~~~~~~~~~~~~ main.cpp:140:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 140 | for(int i = 0; i < flip_rosu.size(); i++) puncte_rosii.push_back( mkpct(flip_rosu[i].x, flip_rosu[i].y) ); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:154:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_down(flip_rosu[i]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:155:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 155 | for(int i = 0; i < flip_sol.size(); i++) flip_sol[i] = flip_down(flip_sol[i]); | ~~^~~~~~~~~~~~~~~~~ main.cpp:157:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 157 | for(int i = 0; i < flip_sol.size(); i++) solutii.push_back( mkpct(flip_sol[i].x, flip_sol[i].y) ); | ~~^~~~~~~~~~~~~~~~~ main.cpp:158:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for(int i = 0; i < flip_rosu.size(); i++) puncte_rosii.push_back( mkpct(flip_rosu[i].x, flip_rosu[i].y) ); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:178:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 178 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_left(flip_rosu[i]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:179:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 179 | for(int i = 0; i < flip_sol.size(); i++) flip_sol[i] = flip_left(flip_sol[i]); | ~~^~~~~~~~~~~~~~~~~ main.cpp:181:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 181 | for(int i = 0; i < flip_sol.size(); i++) solutii.push_back( mkpct(flip_sol[i].x, flip_sol[i].y) ); | ~~^~~~~~~~~~~~~~~~~ main.cpp:182:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 182 | for(int i = 0; i < flip_rosu.size(); i++) puncte_rosii.push_back( mkpct(flip_rosu[i].x, flip_rosu[i].y) ); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:189:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 189 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_right(flip_rosu[i]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:190:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 190 | for(int i = 0; i < flip_sol.size(); i++) flip_sol[i] = flip_right(flip_sol[i]);