Compilare: main.cpp: In function 'int main()': main.cpp:49:39: warning: narrowing conversion of 'sum' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing] edges[l].push_back(Edge{r, sum}); ^ main.cpp:50:46: warning: narrowing conversion of '((((ll)k) - sum) % ((ll)k))' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing] edges[r].push_back(Edge{l, (k - sum) % k}); ~~~~~~~~~~^~~