20 lines
295 B
C++
20 lines
295 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int n, k, doses = 0;
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vector<int> height;
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cin >> n >> k;
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for (int i = 0; i < n; i++) {
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int tmp;
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cin >> tmp;
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height.push_back(tmp);
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if (k < tmp) {
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doses += tmp-k;
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k += tmp-k;
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}
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}
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cout << doses << endl;
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return 0;
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}
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