Compilare: user.cpp: In function ‘int main()’: user.cpp:39:101: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(Ins(in, jn) && (B[in][jn] == 0 || B[in][jn] > B[i][j] + 1) && (A[in][jn] == 0 || ok1 && A[in][jn] <= k1 || ok2 && A[in][jn] >= k2)){ ^ user.cpp:39:127: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(Ins(in, jn) && (B[in][jn] == 0 || B[in][jn] > B[i][j] + 1) && (A[in][jn] == 0 || ok1 && A[in][jn] <= k1 || ok2 && A[in][jn] >= k2)){ ^ user.cpp:42:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(in == l1 && jn == c1 && !ok1) if(!ok2) ok1 = 1; else ok1 = 2; ^ user.cpp:43:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(in == l2 && jn == c2 && !ok2) if(!ok1) ok2 = 1; else ok2 = 2; ^ user.cpp:55:125: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(Ins(in, jn) && (C[in][jn] == 0 || C[in][jn] > C[i][j] + 1) && (A[in][jn] == 0 || A[in][jn] <= k1 || okk2 && A[in][jn] >= k2)){ ^ user.cpp:86:106: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(Ins(in, jn) && (D[in][jn] == 0 || D[in][jn] > D[i][j] + 1) && (A[in][jn] == 0 || okk1 && A[in][jn] <= k1 || A[in][jn] >= k2)){ ^