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26 lines
634 B
C++
26 lines
634 B
C++
#define _CRT_SECURE_NO_WARNINGS
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#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
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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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{
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int n, m;
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vector<int> a;
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while (~scanf("%d%d", &n, &m))
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{
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for (int i = 0, x; i < n; i++)
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scanf("%d", &x), a.push_back(x);
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sort(a.begin(), a.end(), greater<int>());
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int ans = 0;
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while (a.size())
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{
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int res = m;
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for (int i = a.size() - 1; i >= 0; i--)
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if (a[i] <= res) res -= a[i], a.erase(a.begin() + i);
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ans++;
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}
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printf("%d\n", ans);
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}
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return 0;
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}
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