Compilare: main.cpp: In function 'double divide_et_impera(int, int)': main.cpp:119:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | for(int i=0; i<banda.size(); i++) | ~^~~~~~~~~~~~~ main.cpp:121:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 121 | for(int j=i+1; j<banda.size() && banda[j].y-banda[i].y<d; j++) | ~^~~~~~~~~~~~~