19 lines
478 B
C++
19 lines
478 B
C++
#include <bits/stdc++.h>
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using namespace std;
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const int N = 200010;
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const int INF = 0x3f3f3f3f;
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int n, a[N], res = -INF;
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int sum[N];
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int main() {
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cin >> n;
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for (int i = 1; i <= n; i++) {
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cin >> a[i]; //输入
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sum[i] = sum[i - 1] + a[i]; //记录前缀和
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}
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for (int i = 1; i <= n; i++)
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for (int j = i; j <= n; j++)
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res = max(res, sum[j] - sum[i - 1]);
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cout << res << endl;
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return 0;
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} |