Compilare: main.cpp: In constructor 'Node::Node(int, long long int, int)': main.cpp:9:26: warning: 'Node::sum' will be initialized after [-Wreorder] int mxm, lzy; long long sum; ^~~ main.cpp:9:11: warning: 'int Node::lzy' [-Wreorder] int mxm, lzy; long long sum; ^~~ main.cpp:11:2: warning: when initialized here [-Wreorder] Node(int _mxm = 0, long long _sum = 0, int _lzy = 0) : ^~~~ main.cpp: In function 'int main()': main.cpp:106:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vaporeon.in", "r", stdin); ^ main.cpp:107:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vaporeon.out", "w", stdout); ^