http://codeforces.com/problemset/problem/723/A 取中间那个数就可以了,答案为最大值减最小值. #include<iostream> #include<cstring> #include<cstdio> #include<algorithm> #include<cmath> #define INF 0x3f3f3f3f using namespace std; int main() { int a,b,…