Compilare: main.cpp: In function 'int main()': main.cpp:12:24: warning: unused variable 'j' [-Wunused-variable] long long n, k, i, j, st=1, dr, mij, maxx=1000000000000, optim, prod, suma, aux, S, cat; ^ main.cpp:38:13: warning: 'cat' may be used uninitialized in this function [-Wmaybe-uninitialized] S=S-(cat-k)*optim; ~~~~^~~ main.cpp:38:6: warning: 'S' may be used uninitialized in this function [-Wmaybe-uninitialized] S=S-(cat-k)*optim; ~^~~~~~~~~~~~~~~~ main.cpp:38:16: warning: 'optim' may be used uninitialized in this function [-Wmaybe-uninitialized] S=S-(cat-k)*optim; ~~~~~~~^~~~~~