Compilare: main.cpp: In function 'int main()': main.cpp:9:18: warning: variable 'copk' set but not used [-Wunused-but-set-variable] int nr,n,k,i,ans,copk[100001]; ^~~~ main.cpp:20:7: warning: iteration 100000 invokes undefined behavior [-Waggressive-loop-optimizations] if(v[i]>0) ~~~^ main.cpp:19:10: note: within this loop for(i=1;i<=100001;i++) ~^~~~~~~~ main.cpp:24:9: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<ans; ^