結果
問題 | No.1564 Sum of Products of Pairs |
ユーザー | ninoinui |
提出日時 | 2021-12-26 12:37:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 37 ms / 2,000 ms |
コード長 | 3,413 bytes |
コンパイル時間 | 2,102 ms |
コンパイル使用メモリ | 207,500 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-22 20:40:18 |
合計ジャッジ時間 | 4,626 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 17 ms
6,940 KB |
testcase_04 | AC | 4 ms
6,940 KB |
testcase_05 | AC | 23 ms
6,940 KB |
testcase_06 | AC | 17 ms
6,940 KB |
testcase_07 | AC | 11 ms
6,944 KB |
testcase_08 | AC | 7 ms
6,940 KB |
testcase_09 | AC | 12 ms
6,944 KB |
testcase_10 | AC | 25 ms
6,940 KB |
testcase_11 | AC | 27 ms
6,944 KB |
testcase_12 | AC | 18 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 36 ms
6,940 KB |
testcase_19 | AC | 34 ms
6,944 KB |
testcase_20 | AC | 36 ms
6,940 KB |
testcase_21 | AC | 37 ms
6,940 KB |
testcase_22 | AC | 33 ms
6,940 KB |
testcase_23 | AC | 37 ms
6,940 KB |
testcase_24 | AC | 37 ms
6,940 KB |
testcase_25 | AC | 37 ms
6,944 KB |
testcase_26 | AC | 37 ms
6,944 KB |
testcase_27 | AC | 37 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,940 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,940 KB |
ソースコード
#ifndef _DEBUG #define _DEBUG #include __FILE__ int main() { long N; cin >> N, N *= 2; vector<long> A(N); for (auto&& a : A) cin >> a; sort(A.begin(), A.end()); reverse(A.begin(), A.end()); long ans = 0; for (int i = 0; i + 1 < N; i += 2) { ans += A.at(i) * A.at(i + 1); } cout << ans << '\n'; } #else // #undef _DEBUG #include <bits/stdc++.h> using namespace std; template <typename T, typename T2> bool cmin(T& a, const T2& b) { return a > b ? a = b, true : false; } template <typename T, typename T2> bool cmax(T& a, const T2& b) { return a < b ? a = b, true : false; } __attribute__((constructor)) void ios_setup() { ios_base::sync_with_stdio(false); cin.tie(nullptr); } template <typename T> ostream& operator<<(ostream& os, const vector<T>& vec); template <typename T> ostream& operator<<(ostream& os, const vector<vector<T> >& vec); template <typename T> ostream& operator<<(ostream& os, const vector<vector<vector<T> > >& vec); template <typename T, typename U> ostream& operator<<(ostream& os, const pair<T, U>& p) { return os << "(" << p.first << ", " << p.second << ")"; } template <typename A, typename B, typename C> ostream& operator<<(ostream& os, const tuple<A, B, C>& t) { const auto& [a, b, c] = t; return os << "(" << a << ", " << b << ", " << c << ")"; } template <typename A, typename B, typename C, typename D> ostream& operator<<(ostream& os, const tuple<A, B, C, D>& t) { const auto& [a, b, c, d] = t; return os << "(" << a << ", " << b << ", " << c << ", " << d << ")"; } template <typename T> ostream& operator<<(ostream& os, priority_queue<T> pq) { os << "{"; while (!pq.empty()) os << pq.top() << (pq.size() > 1 ? " " : ""), pq.pop(); return os << "}"; } #define FOREACH(it, a) for (auto it = (a).begin(); it != (a).end(); it++) template <typename T> ostream& operator<<(ostream& os, const set<T>& se) { os << "{"; FOREACH (it, se) { os << (it == se.begin() ? "" : " ") << *it; } return os << "}"; } template <typename T> ostream& operator<<(ostream& os, const multiset<T>& ms) { os << "{"; FOREACH (it, ms) { os << (it == ms.begin() ? "" : " ") << *it; } return os << "}"; } template <typename T, typename U> ostream& operator<<(ostream& os, const map<T, U>& ma) { os << "{"; FOREACH (it, ma) { os << (it == ma.begin() ? "" : " ") << *it; } return os << "}"; } template <typename T> ostream& operator<<(ostream& os, const vector<T>& vec) { os << "{"; FOREACH (it, vec) { os << (it == vec.begin() ? "" : " ") << *it; } return os << "}"; } template <typename T> ostream& operator<<(ostream& os, const vector<vector<T> >& vec) { os << "{\n"; FOREACH (it, vec) { os << (it == vec.begin() ? " " : "\n ") << *it; } return os << "\n}"; } template <typename T> ostream& operator<<(ostream& os, const vector<vector<vector<T> > >& vec) { os << "{\n"; FOREACH (it, vec) { os << (it == vec.begin() ? "" : "\n") << "(" << it - vec.begin() << ") " << *it; } return os << "\n}"; } void dump() {} template <typename Head, typename... Tail> void dump(const Head& head, const Tail&... tail) { cout << head << (sizeof...(tail) ? ", " : "\n"), dump(tail...); } #ifdef _DEBUG #define DUMP(...) cout << "[" << (#__VA_ARGS__) << "] ", dump(__VA_ARGS__) #else #define DUMP(...) (void)0 #endif #endif