Compilare: main.cpp: In function 'punct flip_up(punct)': main.cpp:62:9: warning: unused variable 'x' [-Wunused-variable] 62 | int x = A.x, y = A.y; | ^ main.cpp: In function 'int main()': main.cpp:126:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 126 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_up(flip_rosu[i]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:127:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for(int i = 0; i < flip_sol.size(); i++) flip_sol[i] = flip_up(flip_sol[i]); | ~~^~~~~~~~~~~~~~~~~ main.cpp:130:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 130 | for(int i = 0; i < flip_sol.size(); i++) solutii.push_back( mkpct(flip_sol[i].x, flip_sol[i].y) ); | ~~^~~~~~~~~~~~~~~~~ main.cpp:131:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 131 | for(int i = 0; i < flip_rosu.size(); i++) puncte_rosii.push_back( mkpct(flip_rosu[i].x, flip_rosu[i].y) ); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:145:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 145 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_down(flip_rosu[i]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:146:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 146 | for(int i = 0; i < flip_sol.size(); i++) flip_sol[i] = flip_down(flip_sol[i]); | ~~^~~~~~~~~~~~~~~~~ main.cpp:148:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 148 | for(int i = 0; i < flip_sol.size(); i++) solutii.push_back( mkpct(flip_sol[i].x, flip_sol[i].y) ); | ~~^~~~~~~~~~~~~~~~~ main.cpp:149:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for(int i = 0; i < flip_rosu.size(); i++) puncte_rosii.push_back( mkpct(flip_rosu[i].x, flip_rosu[i].y) ); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:169:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 169 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_left(flip_rosu[i]); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:170:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 170 | for(int i = 0; i < flip_sol.size(); i++) flip_sol[i] = flip_left(flip_sol[i]); | ~~^~~~~~~~~~~~~~~~~ main.cpp:172:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 172 | for(int i = 0; i < flip_sol.size(); i++) solutii.push_back( mkpct(flip_sol[i].x, flip_sol[i].y) ); | ~~^~~~~~~~~~~~~~~~~ main.cpp:173:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 173 | for(int i = 0; i < flip_rosu.size(); i++) puncte_rosii.push_back( mkpct(flip_rosu[i].x, flip_rosu[i].y) ); | ~~^~~~~~~~~~~~~~~~~~ main.cpp:180:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 180 | for(int i = 0; i < flip_rosu.size(); i++) flip_rosu[i] = flip_right(flip_rosu[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++) flip_sol[i] = flip_right(flip_sol[i]); | ~~^~~~~~~~~~~~~~~~~ main.cpp:183:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 183 | for(int i = 0; i < flip_sol.size(); i++) solutii.push_back( mkpct(flip_sol[i].x, flip_sol[i].y) ); | ~~^~~~~~~~~~~~~~~~~