Compilare: main.cpp: In function 'int main()': main.cpp:71:77: warning: narrowing conversion of '((1ll * ((long long int)V[(i - 1)].std::vector<_Tp, _Alloc>::operator[]<Node, std::allocator<Node> >(((std::vector<Node>::size_type)j)).Node::nrp)) + ((long long int)V[(i - 1)].std::vector<_Tp, _Alloc>::operator[]<Node, std::allocator<Node> >(((std::vector<Node>::size_type)(j - 1))).Node::nrp))' from 'long long int' to 'int' inside { } [-Wnarrowing] V[i][j] = {val, s1 + val, 1LL * V[i - 1][j].nrp + V[i - 1][j - 1].nrp}; ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:46:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &task, &n, &L, &R); ^ main.cpp:53:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &val); ^