#include <stdio.h>
#include <math.h>
int main(void) {
double x,y;
if(x
<1||x
>=5){ printf("No define!\n"); return 0;
}
else if(x>=1.0&&x<2.0) y=3.0*x+5;
else if(x
>=2.0&&x
<3.0) y
=2*sin(x
)-1; else if(x
>=3.0&&x
<4.0) y
=sqrt(1+x
*x
); else if(x>=4.0&&x<5.0) y=x*x-2*x+5;
// your code goes here
return 0;
}
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