學習筆記（9):C語言程式設計（全程實踐）-格式化輸出

立即學習:https://edu.csdn.net/course/play/25294/304632?utm_source=blogtoedu

#include<stdio.h>

int main()

{

//printf("格式控制字元，輸出值參數表");

const double IP=3.1415926;

char ch;

double perimeter,area;

scanf("%lf",&r);

ch=getchat();

ch=ch+32;

perimeter=2*IP*r;

area=IP*r*r;

printf("%c\n%d\n%o\n",ch,ch,ch);

printf("%c\n%10d\n%o\n",ch,ch,ch);

printf("perimeter=%14.2f\narea=%10.2f\n",perimeter,area);

return 0;

}