Compilare: main.cpp: In function 'int main()': main.cpp:29:55: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] 29 | int row_step = i >= steps[k] ? cost[1 - k & 1][i - steps[k]][j] : -(1 << 20); | ~~^~~ main.cpp:30:55: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] 30 | int col_step = j >= steps[k] ? cost[1 - k & 1][i][j - steps[k]] : -(1 << 20); | ~~^~~ main.cpp:53:19: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] 53 | ofs << cost[1 - steps.size() & 1][potatoes - 1][potatoes - 1] << std::endl; | ~~^~~~~~~~~~~~~~