Compilare: main.cpp: In function 'int main()': main.cpp:62:30: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] dp[a & 1 ^ 1][b][e.u] = max(dp[a & 1 ^ 1][b][e.u], dp[a & 1][b][f] + e.cost); ~~^~~ main.cpp:62:58: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] dp[a & 1 ^ 1][b][e.u] = max(dp[a & 1 ^ 1][b][e.u], dp[a & 1][b][f] + e.cost); ~~^~~ main.cpp:66:30: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] dp[a & 1 ^ 1][b + 1][e.u] = max(dp[a & 1 ^ 1][b + 1][e.u], dp[a & 1][b][f]); ~~^~~ main.cpp:66:62: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] dp[a & 1 ^ 1][b + 1][e.u] = max(dp[a & 1 ^ 1][b + 1][e.u], dp[a & 1][b][f]); ~~^~~