Compilare: main.cpp: In function 'int main()': main.cpp:19:26: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] dp[i&1][0] = dp[i&1^1][0] + b; ~^~ main.cpp:24:34: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] dp[i&1][j] = min(dp[i&1^1][j] + b*(1LL << j), dp[i&1^1][j-1] + a*(1LL << (j-1))); ~^~ main.cpp:24:63: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] dp[i&1][j] = min(dp[i&1^1][j] + b*(1LL << j), dp[i&1^1][j-1] + a*(1LL << (j-1))); ~^~