https://acm.hdu.edu.cn/showproblem.php?pid=2003
#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
float a = 0;
while(scanf("%f", &a) != EOF)
{
if(a < 0)
a = -a;
printf("%0.2f\n", a);
}
return 0;
}
https://acm.hdu.edu.cn/showproblem.php?pid=2003
#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
float a = 0;
while(scanf("%f", &a) != EOF)
{
if(a < 0)
a = -a;
printf("%0.2f\n", a);
}
return 0;
}