Compilare: main.cpp: In function 'int main()': main.cpp:24:14: warning: iteration 49 invokes undefined behavior [-Waggressive-loop-optimizations] dp[i][pw] = min(dp[i - 1][pw - 1] + (1LL << (pw - 1)) * a[i], dp[i - 1][pw] + (1LL << pw) * b[i]); ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:23:22: note: within this loop for (ll pw = 1; pw <= 50; pw++) ~~~^~~~~ main.cpp:18:13: warning: iteration 50 invokes undefined behavior [-Waggressive-loop-optimizations] dp[i][j] = (ll) 2e15; ~~~~~~~~~^~~~~~~~~~~ main.cpp:17:21: note: within this loop for (int j = 0; j <= 50; j++) ~~^~~~~