Compilare: main.cpp:1:41: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 1 | #pragma GCC optimize ("O3, unroll-loops") | ^ main.cpp:14:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 14 | int main() | ^ main.cpp: In function 'int main()': main.cpp:63:47: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 63 | sort(v1.begin(), v1.end(), [](int n1, int n2) { | ^ main.cpp:16:21: warning: unused variable 'maxx' [-Wunused-variable] 16 | int n, m, q,nr,i,j,maxx=0; | ^~~~