Compilare: main.cpp: In function 'int main()': main.cpp:120:32: warning: narrowing conversion of 'v[i].date::l' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing] events.push_back({v[i].l,1,i}); ~~~~~^ main.cpp:122:37: warning: narrowing conversion of '(v[i].date::r + 1ll)' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing] events.push_back({v[i].r+1,-1,i}); ~~~~~~^~ main.cpp:144:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<events.size();i++) ~^~~~~~~~~~~~~~