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20 lines
443 B
20 lines
443 B
#include <bits/stdc++.h>
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using namespace std;
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const int N = 3010;
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const int INF = 0x3f3f3f3f;
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typedef long long LL;
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int a[N];
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LL MIN = INF;
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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 >> a[i];
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for (int i = 1; i <= n - m + 1; i++) {
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LL sum = 0;
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for (int j = 0; j < m; j++) sum += a[i + j];
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MIN = min(MIN, sum);
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}
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cout << MIN << endl;
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return 0;
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} |