/in/foo.c: In function 'creaort':
/in/foo.c:10:47: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
    if(a[j-1][2]>a[j][2] || a[j-1][2]==a[j][2] && a[j-1][0]>a[j][0])
                            ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~