#define pi 3.14 #include main () { double r,c,s; r=2.5; c=2*pi*r ; s=pi*r*r ; printf("r=%
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![#define pi 3.14 #include main () { double r,c,s; r=2.5; c=2*pi*r ; s=pi*r*r ; printf(](/uploads/image/z/12418098-42-8.jpg?t=%23define+pi+3.14+%23include+main+%28%29+%7B+double+r%2Cc%2Cs%3B+r%3D2.5%3B+c%3D2%2Api%2Ar+%3B+s%3Dpi%2Ar%2Ar+%3B+printf%28%22r%3D%25)
#define pi 3.14 #include main () { double r,c,s; r=2.5; c=2*pi*r ; s=pi*r*r ; printf("r=%
#define pi 3.14 #include main () { double r,c,s; r=2.5; c=2*pi*r ; s=pi*r*r ; printf("r=%
#define pi 3.14 #include main () { double r,c,s; r=2.5; c=2*pi*r ; s=pi*r*r ; printf("r=%
源代码:
#include <stdio.h>
#define pi 3.14159265
void main()
{
double r,s;
for(r=0.5;r<8;r++)
{
s=pi*r*r;
printf("半径= %f\n",r);
printf("面积= %f\n",s);
}
}
结果: