Compilare: main.cpp: In member function 'void Solver::solveOne(std::istream&, std::ostream&)': main.cpp:68:48: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] if (j > 0 && j < 4) dp[i&1][j] = dp[i&1^1][j-1] + dp[i&1^1][j+1]; ~^~ main.cpp:68:65: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] if (j > 0 && j < 4) dp[i&1][j] = dp[i&1^1][j-1] + dp[i&1^1][j+1]; ~^~ main.cpp:69:45: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] else if (j == 0) dp[i&1][j] = dp[i&1^1][j+1]; ~^~ main.cpp:70:33: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] else dp[i&1][j] = dp[i&1^1][j-1]; ~^~ main.cpp:72:41: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses] for (int j = 0; j < 5; ++j) dp[i&1^1][j].clear(); ~^~