Compilare: main.cpp: In function 'int main()': main.cpp:83:53: warning: narrowing conversion of 'x' from 'long long int' to 'int' inside { } [-Wnarrowing] if (root == NULL)root = new node({x , y , i}); ^ main.cpp:83:53: warning: narrowing conversion of 'y' from 'long long int' to 'int' inside { } [-Wnarrowing] main.cpp:84:48: warning: narrowing conversion of 'x' from 'long long int' to 'int' inside { } [-Wnarrowing] else update(root , 0 , sz , {x , y , i}); ^ main.cpp:84:48: warning: narrowing conversion of 'y' from 'long long int' to 'int' inside { } [-Wnarrowing] main.cpp:78:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vmin.in","r",stdin); ^ main.cpp:79:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vmin.out","w",stdout); ^