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CodePudding user response:
Hello, here is the reference program, the hope can help you,
#include
# define Pi (3.14159)
Int main () {
Double r, h;
Printf (" input radius and cylindrical high \ n ");
Lf the scanf (" % % lf ", & amp; R, & amp; H);
Printf (" circumference is: % 2 lf \ n ", 2 * Pi * r);
Printf (" circle area is: % 2 f \ n ", Pi * r * r);
Printf (" the cylinder volume is: % 2 lf \ n ", Pi * r * r * h);
return 0;
}