20 lines
496 B
C++
20 lines
496 B
C++
#include <bits/stdc++.h>
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#define int long long
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using namespace std;
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int a[1000005], c[1000005];
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signed main()
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{
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int n, v = 0, sum = 0;
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scanf("%lld", &n);
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for (int i = 1; i <= n; ++i)
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scanf("%lld", &a[i]), sum += a[i];
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v = sum / n;
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for (int i = 1; i <= n; i++)
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c[i] = c[i - 1] + a[i] - v;
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sort(c + 1, c + 1 + n);
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int ans = 0, mi = c[(n + 1) / 2];
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for (int i = 1; i <= n; i++)
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ans += abs(mi - c[i]);
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printf("%lld\n", ans);
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return 0;
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} |