标签：blog os io for div log sp c ios
看懂题就是水题。。。
code
#include <iostream>
#include <algorithm>
using namespace std;
int a[110], n, l, r, ans;
int main()
{
cin >> n;
for (int i = 0; i < n; i++)
cin >> a[i];
r = n - 1;
sort (a, a + n);
while (l < r) {
a[l]--, r--;
if (!a[l]) l++;
ans++;
}
cout << ans;
return 0;
}
标签：blog os io for div log sp c ios
原文地址：http://www.cnblogs.com/keam37/p/3950015.html
