Compilare: main.cpp: In function 'int main()': main.cpp:106:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<linie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for(int i=0;i<sol.size();i++) | ~^~~~~~~~~~~ main.cpp:111:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<linie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 111 | for(int j=i+1;j<sol.size();j++) | ~^~~~~~~~~~~ main.cpp:121:26: warning: variable 'found' set but not used [-Wunused-but-set-variable] 121 | bool found=0; | ^~~~~ main.cpp:147:30: warning: 'rap' may be used uninitialized [-Wmaybe-uninitialized] 147 | else if(a/ap!=rap) | ^~ main.cpp:122:28: note: 'rap' was declared here 122 | double rap; | ^~~