题解 | 单组_spj判断浮点误差
单组_spj判断浮点误差
https://www.nowcoder.com/practice/6652094c6a0e4381911b541ed664d8b7
#include <stdio.h>
#include <math.h>
int main() {
int n;
scanf("%d",&n);
double s;
s=M_PI*(n*n);
printf("%lf",s);
return 0;
}
单组_spj判断浮点误差
https://www.nowcoder.com/practice/6652094c6a0e4381911b541ed664d8b7
#include <stdio.h>
#include <math.h>
int main() {
int n;
scanf("%d",&n);
double s;
s=M_PI*(n*n);
printf("%lf",s);
return 0;
}
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