Compilare: main.cpp: In function 'int main()': main.cpp:25:23: warning: unused variable 'k' [-Wunused-variable] int t, n = 0, i, j, k, conf, conn, _m, niv = 0, pin, p3 = 0, s = 0; ^ main.cpp:25:38: warning: unused variable '_m' [-Wunused-variable] int t, n = 0, i, j, k, conf, conn, _m, niv = 0, pin, p3 = 0, s = 0; ^~ main.cpp:71:43: warning: 'pin' may be used uninitialized in this function [-Wmaybe-uninitialized] ans[niv-1] = dp[!p3][(1<<n)-1][pin]; ~~~~~~~~~~~~~~~~~~~~~^