Compilare: main.cpp: In function 'void check(int, int, int, int)': main.cpp:56:79: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (dp[l][c] > dp[l_last][c_last] + e || dp[l][c] == dp[l_last][c_last] + e && D[l][c] > D[l_last][c_last] + d) { ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:82:45: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (cost > dp[l][c] || cost == dp[l][c] && d > D[l][c]) ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~