题解 | #实现四舍五入#
实现四舍五入
http://www.nowcoder.com/practice/020a0cf673174d5795d97ae79cff59a0
#include<stdio.h>
int main()
{
double a;
scanf("%lf",&a);
if(a>0)
{
printf("%d\n",(int)(a+0.5));
}
else
printf("%d\n",(int)(a-0.5));
return 0;
}
实现四舍五入
http://www.nowcoder.com/practice/020a0cf673174d5795d97ae79cff59a0
#include<stdio.h>
int main()
{
double a;
scanf("%lf",&a);
if(a>0)
{
printf("%d\n",(int)(a+0.5));
}
else
printf("%d\n",(int)(a-0.5));
return 0;
}
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