Compilare: main.cpp: In function 'll good(ll)': main.cpp:67:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<date>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 67 | for(int i=0;i<g1.size();i++) | ~^~~~~~~~~~ main.cpp:70:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<date>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | while(k<g1.size()&&g1[k].cost==g1[i].cost) | ~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:106:9: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+10' to '2147483647' [-Woverflow] 106 | ans=1e10; | ^~~~ main.cpp:127:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<date>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for(int i=0;i<g2.size();i++) | ~^~~~~~~~~~