题解 | #牛牛的圆#
牛牛的圆
https://www.nowcoder.com/practice/75a202e826d048a39824ec694b5ce7e3
#include <stdio.h> int main() { int a; float b; scanf("%d",&a); b=3.14*a*a; printf("%.2f",b); return 0; }
牛牛的圆
https://www.nowcoder.com/practice/75a202e826d048a39824ec694b5ce7e3
#include <stdio.h> int main() { int a; float b; scanf("%d",&a); b=3.14*a*a; printf("%.2f",b); return 0; }
相关推荐