Compilare: main.cpp:5: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas] 5 | #pragma gcc optimize("Ofast") | main.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 6 | #pragma GCC optimization("Ofast") | main.cpp:4:37: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 4 | #pragma GCC optimize(" unroll-loops") | ^ main.cpp:19:38: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 19 | void push_lazy(int node,int st,int dr) | ^ main.cpp:29:59: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 29 | void update(int node,int st,int dr,int qst,int qdr,int val) | ^ main.cpp:53:34: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 53 | void build(int node,int st,int dr) | ^ main.cpp:66:22: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 66 | int check (int weight) | ^ main.cpp: In function 'int check(int)': main.cpp:72:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for(j=0;j<qu[i].size();j++) | ~^~~~~~~~~~~~~ main.cpp: At global scope: main.cpp:93:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 93 | int main() | ^ main.cpp: In function 'int main()': main.cpp:95:13: warning: unused variable 'j' [-Wunused-variable] 95 | int n,i,j,k,l,a,b,w,sumtot=0; | ^ main.cpp:95:15: warning: unused variable 'k' [-Wunused-variable] 95 | int n,i,j,k,l,a,b,w,sumtot=0; | ^ main.cpp:95:17: warning: unused variable 'l' [-Wunused-variable] 95 | int n,i,j,k,l,a,b,w,sumtot=0; | ^