結果
問題 | No.1150 シュークリームゲーム(Easy) |
ユーザー | keijak |
提出日時 | 2021-04-30 07:04:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 15 ms / 2,000 ms |
コード長 | 3,508 bytes |
コンパイル時間 | 2,020 ms |
コンパイル使用メモリ | 202,408 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-18 06:19:23 |
合計ジャッジ時間 | 3,739 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 2 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 2 ms
6,944 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 13 ms
6,940 KB |
testcase_23 | AC | 13 ms
6,940 KB |
testcase_24 | AC | 12 ms
6,940 KB |
testcase_25 | AC | 13 ms
6,944 KB |
testcase_26 | AC | 14 ms
6,944 KB |
testcase_27 | AC | 14 ms
6,940 KB |
testcase_28 | AC | 14 ms
6,940 KB |
testcase_29 | AC | 12 ms
6,940 KB |
testcase_30 | AC | 13 ms
6,940 KB |
testcase_31 | AC | 13 ms
6,940 KB |
testcase_32 | AC | 12 ms
6,940 KB |
testcase_33 | AC | 13 ms
6,940 KB |
testcase_34 | AC | 14 ms
6,944 KB |
testcase_35 | AC | 14 ms
6,940 KB |
testcase_36 | AC | 14 ms
6,940 KB |
testcase_37 | AC | 14 ms
6,940 KB |
testcase_38 | AC | 12 ms
6,940 KB |
testcase_39 | AC | 12 ms
6,940 KB |
testcase_40 | AC | 13 ms
6,940 KB |
testcase_41 | AC | 14 ms
6,940 KB |
testcase_42 | AC | 12 ms
6,944 KB |
testcase_43 | AC | 12 ms
6,940 KB |
testcase_44 | AC | 15 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> #define REP_(i, a_, b_, a, b, ...) \ for (int i = (a), END_##i = (b); i < END_##i; ++i) #define REP(i, ...) REP_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define ALL(x) std::begin(x), std::end(x) using i64 = long long; using u64 = unsigned long long; template <typename T, typename U> inline bool chmax(T &a, U b) { return a < b and ((a = std::move(b)), true); } template <typename T, typename U> inline bool chmin(T &a, U b) { return a > b and ((a = std::move(b)), true); } template <typename T> inline int ssize(const T &a) { return (int)std::size(a); } template <typename T> std::istream &operator>>(std::istream &is, std::vector<T> &a) { for (auto &x : a) is >> x; return is; } template <typename Container> std::ostream &print_seq(const Container &a, std::string_view sep = " ", std::string_view ends = "\n", std::ostream &os = std::cout) { auto b = std::begin(a), e = std::end(a); for (auto it = std::begin(a); it != e; ++it) { if (it != b) os << sep; os << *it; } return os << ends; } template <typename T, typename = void> struct is_iterable : std::false_type {}; template <typename T> struct is_iterable<T, std::void_t<decltype(std::begin(std::declval<T>())), decltype(std::end(std::declval<T>()))>> : std::true_type {}; template <typename T, typename = std::enable_if_t< is_iterable<T>::value && !std::is_same<T, std::string_view>::value && !std::is_same<T, std::string>::value>> std::ostream &operator<<(std::ostream &os, const T &a) { return print_seq(a, ", ", "", (os << "{")) << "}"; } template <typename T, typename U> std::ostream &operator<<(std::ostream &os, const std::pair<T, U> &a) { return os << "(" << a.first << ", " << a.second << ")"; } #ifdef ENABLE_DEBUG template <typename T> void pdebug(const T &value) { std::cerr << value; } template <typename T, typename... Ts> void pdebug(const T &value, const Ts &...args) { pdebug(value); std::cerr << ", "; pdebug(args...); } #define DEBUG(...) \ do { \ std::cerr << " \033[33m (L" << __LINE__ << ") "; \ std::cerr << #__VA_ARGS__ << ":\033[0m "; \ pdebug(__VA_ARGS__); \ std::cerr << std::endl; \ } while (0) #else #define pdebug(...) #define DEBUG(...) #endif using namespace std; i64 solve() { int n, s, t; cin >> n >> s >> t; --s, --t; const int m = (n + 1) / 2; vector<i64> a(n); cin >> a; const i64 total = accumulate(ALL(a), 0LL); i64 ans = -1e17; int x = s, y = t; while (true) { int x2 = (x - 1 + n) % n; if (x2 == y) break; x = x2; int y2 = (y + 1) % n; if (x == y2) break; y = y2; } const int lb = x; x = s, y = t; while (true) { int x2 = (x + 1) % n; if (x2 == y) break; x = x2; int y2 = (y - 1 + n) % n; if (x == y2) break; y = y2; } const int ub = (x + 1) % n; i64 sum = 0; x = lb; REP(i, m) { sum += a[x]; x = (x + 1) % n; } chmax(ans, sum - (total - sum)); int l = lb; while (x != ub) { sum += a[x]; sum -= a[l]; chmax(ans, sum - (total - sum)); x = (x + 1) % n; l = (l + 1) % n; } return ans; } int main() { ios_base::sync_with_stdio(false), cin.tie(nullptr); cout << solve() << "\n"; }