Compilare: main.cpp: In function 'void read()': main.cpp:50:36: warning: narrowing conversion of 'delta' from 'int' to 'long double' inside { } [-Wnarrowing] retain_P0({x,y,delta},i - 1); ^ main.cpp:51:37: warning: narrowing conversion of 'delta' from 'int' to 'long double' inside { } [-Wnarrowing] puncte.push_back({x,y,delta}); ^ main.cpp: In function 'void solve()': main.cpp:87:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i < puncte.size(); i++) ~~^~~~~~~~~~~~~~~