#include <stdio.h>
main()
{
int hankei,takasa;
double taiseki;
double pi = 3.1415926535;
printf("円柱の体積を算出します\n半径を入力してください");
taiseki = hankei * hankei * pi * takasa;
printf("半径%d高さ%dの円柱の体積は%.10fです",hankei
,takasa
,taiseki
); }
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