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C-Programing-Language
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/* 常用圆形体的体积计算器,1:计算球体,2:计算圆柱体,3:计算圆锥体 */
#include <stdio.h>
#include <math.h>
#include "test10_1_cal.c" ; /* 增加文件包含,连接相关函数 */
#include "test10_1_vol.c" ; /* 增加文件包含,连接相关函数 */
#define PI 3.141592654
int main(void)
{
int sel;
/* 循环选择计算圆形体的体积,直到输入非1~3的数字为止 */
while(1){ /* 永久循环,通过循环体中 break 语句结束循环 */
printf(" 1-计算球体体积");
printf(" 2-计算圆柱体体积");
printf(" 3-计算圆锥体体积");
printf(" 其他-退出程序运行\n");
printf("请输入计算命令:"); /* 输入提示*/
scanf("%d", &sel);
if (sel < 1 || sel > 3){ /* 输入非1~3的数字,循环结束 */
break;
} else{ * 输入1~3,调用cal() */
cal (sel);
}
}
return 0;
}
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