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A. 填数游戏
https://ac.nowcoder.com/acm/contest/view-submission?submissionId=64546279
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NowCoder/contest/65194/A/A.cpp
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NowCoder/contest/65194/A/A.cpp
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#include <iostream>
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#include <algorithm>
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#include <functional>
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using std::cin;
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using std::cout;
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const char endl = '\n';
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const int N = 1e5 + 5;
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int n, m, a[N], b[N];
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long long ans;
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int main() {
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std::ios::sync_with_stdio(false);
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cin.tie(nullptr);
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cin >> n >> m;
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for (int i = 1; i <= n; i++) {
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cin >> a[i];
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}
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for (int i = 1; i <= m; i++) {
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cin >> b[i];
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}
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std::sort(a + 1, a + 1 + n, std::greater<>());
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std::sort(b + 1, b + 1 + m, std::greater<>());
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int i = 1;
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for (; i <= n && a[i] >= 0 && b[i] >= 0; i++) {
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ans += static_cast<long long>(a[i]) * b[i];
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}
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std::sort(a + i, a + 1 + n);
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std::sort(b + i, b + 1 + m);
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for (; i <= n && a[i] < 0 && b[i] < 0; i++) {
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ans += static_cast<long long>(a[i]) * b[i];
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}
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std::sort(a + i, a + 1 + n, std::greater<>());
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std::sort(b + i, b + 1 + m, std::greater<>());
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for (; i <= n; i++) {
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ans += static_cast<long long>(a[i]) * b[i];
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}
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cout << ans << endl;
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return 0;
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}
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NowCoder/contest/65194/A/samples/1.ans
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NowCoder/contest/65194/A/samples/1.ans
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NowCoder/contest/65194/A/samples/1.in
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NowCoder/contest/65194/A/samples/1.in
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NowCoder/contest/65194/A/samples/2.ans
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NowCoder/contest/65194/A/samples/2.ans
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NowCoder/contest/65194/A/samples/2.in
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NowCoder/contest/65194/A/samples/2.in
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