Compilare: main.cpp: In function 'bool ok(int, int)': main.cpp:25:36: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (a[l][c] == 0 || a[l][c] <= k1 && ok1 || a[l][c] >= k2 && ok2) ~~~~~~~~~~~~~~^~~~~~ main.cpp:25:60: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (a[l][c] == 0 || a[l][c] <= k1 && ok1 || a[l][c] >= k2 && ok2) ~~~~~~~~~~~~~~^~~~~~