Compilare: main.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 3 | #pragma GCC optimization ("O3") | main.cpp:4: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 4 | #pragma GCC optimization ("unroll-loops") | main.cpp: In function 'int main()': main.cpp:17:15: warning: unused variable 'ans' [-Wunused-variable] 17 | int i,l,j,ans,st,dr,p,p1,k; | ^~~ main.cpp:17:19: warning: unused variable 'st' [-Wunused-variable] 17 | int i,l,j,ans,st,dr,p,p1,k; | ^~ main.cpp:17:22: warning: unused variable 'dr' [-Wunused-variable] 17 | int i,l,j,ans,st,dr,p,p1,k; | ^~ main.cpp:17:25: warning: unused variable 'p' [-Wunused-variable] 17 | int i,l,j,ans,st,dr,p,p1,k; | ^ main.cpp:17:27: warning: unused variable 'p1' [-Wunused-variable] 17 | int i,l,j,ans,st,dr,p,p1,k; | ^~