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