Compilare: user.cpp: In function ‘int main()’: user.cpp:27:68: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 2 has type ‘int’ [-Wformat=] for(i=1;i<=1000000;i++){if(v[i]==k){while(a[i]){printf("%ld ",i);a[i]--;}}} ^