got TLE with map on Collecting_Numbers_II.cpp but AC with unordered_map -unordered is good for a lot of requests and a lot of data
25 lines
455 B
C++
25 lines
455 B
C++
// Stick Lengths
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#include<bits/stdc++.h>
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using namespace std;
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using ll = long long;
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int main() {
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int n; cin >> n;
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vector<ll> in(n);
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for (auto &e: in) cin >> e;
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std::sort(in.begin(), in.end());
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ll target = in[n/2];
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ll target2 = in[n/2 + 1];
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ll count = 0, count2 = 0;
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for (auto e: in) {
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count += abs(target - e);
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count2 += abs(target2 - e);
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}
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cout << min(count, count2) << endl;
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return 0;
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}
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