Compilare: main.cpp: In function 'int main()': main.cpp:20:42: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] dp[i & 1][j] = max(max(v[i] - dp[1 - i & 1][j], v[j] - dp[i & 1][j - 1]), v[i] + v[j] - dp[1 - i & 1][j - 1]); ~~^~~ main.cpp:20:100: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] dp[i & 1][j] = max(max(v[i] - dp[1 - i & 1][j], v[j] - dp[i & 1][j - 1]), v[i] + v[j] - dp[1 - i & 1][j - 1]); ~~^~~