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1098_t.cpp
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42 lines (38 loc) · 828 Bytes
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/*************************************************************************
> File Name: 1098_t.cpp
> Author: dulun
> Mail: [email protected]
> Created Time: 2016年03月17日 星期四 15时14分31秒
************************************************************************/
#include<iostream>
#include<stdio.h>
#include<cstring>
#include<cstdlib>
#include<algorithm>
#define LL long long
using namespace std;
const int N = 50086;
int a[N];
int main()
{
int n;
scanf("%d", &n);
int sum = 0;
for(int i = 0; i < n; i++)
{
scanf("%d", &a[i]);
sum+=a[i];
}
int ave = sum / n;
int ans = 0;
for(int i = 0; i < n; i++)
{
if(a[i] != ave)
{
ans++;
a[i+1] += a[i] - ave;
}
}
printf("%d\n", ans);
return 0;
}