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#include<stdio.h>int main()6M_(A%`6KBN$Q$l*tSF
{sh{mf[1U#B+Ij
int x;/I*g\{xl/J+mVt
printf("please input x axis\n");
scanf("%d",&x);
if (x%90==0)'t1B]1O1jU4n^qb
printf("x not in axis\n");
else if (0<x<90)
printf("x in I \n");
else if (90<x<180) p&^#Q l%iQ
printf("x in II \n");
else if (180<x<270)
printf("x in III \n");