Compilare: user.cpp: In function ‘int main()’: user.cpp:53:33: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(a[i-1][j]==0&&i-1>=1||a[i][j-1]==0&&j-1>=1||a[i+1][j]==0&&i+1<=n||a[i][j+1]==0&&j+1<=m) ^ user.cpp:53:77: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(a[i-1][j]==0&&i-1>=1||a[i][j-1]==0&&j-1>=1||a[i+1][j]==0&&i+1<=n||a[i][j+1]==0&&j+1<=m) ^ user.cpp:53:99: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(a[i-1][j]==0&&i-1>=1||a[i][j-1]==0&&j-1>=1||a[i+1][j]==0&&i+1<=n||a[i][j+1]==0&&j+1<=m) ^