题解 | #取近似值#
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
#include <stdio.h>
#include <string.h>
#include <math.h>
int roundX(double x)
{
return (x >= 0) ? (int)(x + 0.5) : (int)(x - 0.5);
}
int main()
{
double n;
scanf("%lf", &n);
printf("%d", roundX(n));
}
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