Compilare: main.cpp: In function 'long long int query(long long int, long long int, long long int)': main.cpp:169:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.cpp: In function 'void update(long long int, long long int, long long int)': main.cpp:65:8: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized] int f, s; ^ main.cpp:94:48: warning: 'f' may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=r; i>(s*((int)(sqrt(m)))) && i>(f*((int)(sqrt(m))) ); i-- ){ ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'long long int query(long long int, long long int, long long int)': main.cpp:132:8: warning: 's' may be used uninitialized in this function [-Wmaybe-uninitialized] int f, s; ^ main.cpp:158:54: warning: 'f' may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=r; i>( s*( ((int)(sqrt(m)) ) ) ) && i>( f*( ((int)(sqrt(m)) ) ) ); i--){ ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~