C语言新手 printf("duijiaoxian he is %6.2f",sum); 中的%6.2f是什么...

printf("\40: Program will stop if input value less than 50.\n");while(again){printf("\40:Please input number==>");scanf("%d",&num);printf("\40:The square for this number is %d \n",SQ(num));if(num>=50)again=TRUE;elseagain=FALSE;}}===题目:宏#define命令练习(2)1.程序分析:...

main(){ float a[3][3],sum=0;int i,j;printf("please input rectangle element:\n");for(i=0;i<3;i++)for(j=0;j<3;j++)scanf("%f",&a[i][j]);for(i=0;i<3;i++)sum=sum+a[i][i];printf("duijiaoxian he is %6.2f",sum);} 没有~擦，那是什么，我都试了，...

printf("hello c-world!\n");printf(" ***\n");printf(" *\n");printf(" * \n");printf(" ***\n");}【程序7】题目:输出特殊图案,请在c环境中运行,看一看,very beautiful!1.程序分析:字符共有256个.不同字符,图形不一样. 2.程序源代码:#include "stdio.h"main(){char a176,b219;printf...

for(i=0;i<3;i++)sum=sum+a[i][i];printf("duijiaoxian he is %6.2f",sum);}

float a[3][3],sum=0;int i,j;printf("please input rectangle element:\n");for(i=0;i<3;i++)for(j=0;j<3;j++)scanf("%f",&a[i][j]);for(i=0;i<3;i++)sum=sum+a[i][i];printf("duijiaoxian he is %6.2f",sum);} ...