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26 lines
485 B
26 lines
485 B
#include <bits/stdc++.h>
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using namespace std;
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const int N = 100010;
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typedef long long ll;
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int a[N];
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ll s[N], f[N];
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/*
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BruteForce
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通过了 9/12个数据
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*/
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int main() {
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int n, m;
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cin >> n >> m;
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for (int i = 1; i <= n; i++) cin >> s[i], s[i] += s[i - 1];
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// 暴力大法
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for (int i = 1; i <= n; i++)
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for (int j = i; j >= i - m; j--)
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f[i] = max(f[i], f[j - 1] + s[i] - s[j]);
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cout << f[n] << endl;
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return 0;
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} |