题解 | #牛牛的圆#
牛牛的圆
https://www.nowcoder.com/practice/75a202e826d048a39824ec694b5ce7e3
#include<stdio.h>
int main()
{
unsigned int r;
scanf("%u",&r);
unsigned int mj=3.14*r*r;
printf("%u",mj);
return 0;
}
牛牛的圆
https://www.nowcoder.com/practice/75a202e826d048a39824ec694b5ce7e3
#include<stdio.h>
int main()
{
unsigned int r;
scanf("%u",&r);
unsigned int mj=3.14*r*r;
printf("%u",mj);
return 0;
}
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