题解 | #牛牛的等差数列#
牛牛的等差数列
https://www.nowcoder.com/practice/fb9daba67b88437a9e501adf020d425e
#include <stdio.h>
int main()
{
int a,b,c;
scanf("%d %d",&a,&b);
printf("%d",b+(b-a));
return 0;
}
int main()
{
int a,b,c;
scanf("%d %d",&a,&b);
printf("%d",b+(b-a));
return 0;
}
