Compilare: main.cpp: In function 'int main()': main.cpp:35:18: warning: left operand of comma operator has no effect [-Wunused-value] 35 | for(i=1;i<=last,pq.size();i++) | ~^~~~~~ main.cpp:10:19: warning: unused variable 'j' [-Wunused-variable] 10 | long long n,i,j,k,l,m,last,curr,x; | ^ main.cpp:10:21: warning: unused variable 'k' [-Wunused-variable] 10 | long long n,i,j,k,l,m,last,curr,x; | ^ main.cpp:10:23: warning: unused variable 'l' [-Wunused-variable] 10 | long long n,i,j,k,l,m,last,curr,x; | ^