Compilare: main.cpp: In function 'int main()': main.cpp:22:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i ++) ~~^~~~ main.cpp:30:27: warning: narrowing conversion of 'i' from 'int' to 'long long unsigned int' inside { } [-Wnarrowing] coada.push({i}); ^ main.cpp:40:22: warning: narrowing conversion of '(a + b)' from 'long long int' to 'long long unsigned int' inside { } [-Wnarrowing] coada.push({a+b}); ~^~