P7823,不知道哪里错了,样例对了,提交全WA
#include <bits/stdc++.h>
using namespace std;
int main() {
int n , m , x = 0 , y = 0 , w = 0;
cin >> n;
for (int i = 0;i < n;i++) {
cin >> m;
if (x != m && y != m) {
if (abs(m - x) <= abs(m - y)) {
w += abs(m - x);
x = m;
} else {
w += abs(m - y);
y = m;
}
}
}
cout << w;
return 0;
}
dalao,求助!