Compilare: main.cpp: In function 'std::vector<pt> solve(std::vector<pt>)': main.cpp:51:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pt>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int i = 0; i < pts.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:52:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pt>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | for(int j = i + 1; j < pts.size(); j++) { | ~~^~~~~~~~~~~~ main.cpp:63:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pt>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for(int r = mid; r < pts.size(); r++) rpt.push_back(pts[r]); | ~~^~~~~~~~~~~~ main.cpp:73:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pt>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i = 0; i < close_line.size(); i++) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:74:48: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<pt>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 74 | for(int j = i + 1; j <= i + BULAN && j < close_line.size(); j++) { | ~~^~~~~~~~~~~~~~~~~~~