A solution in c
#include <stdio.h>
int main()
{
double x, y, c, d, e, m;
scanf("%lf %lf", &x, &y);
if(x==0.0 && y==0.0) printf("Origem\n");
else if(x==0.0 && y!=0.0) printf("Eixo Y\n");
else if(y==0.0 && x!=0.0) printf("Eixo X\n");
else if(x>0.0 && y>0.0) printf("Q1\n");
else if(x<0.0 && y>0.0) printf("Q2\n");
else if(x<0.0 && y<0.0) printf("Q3\n");
else printf("Q4\n");
return 0;
}


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