結果
問題 | No.1150 シュークリームゲーム(Easy) |
ユーザー |
|
提出日時 | 2020-08-07 22:33:52 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 32 ms / 2,000 ms |
コード長 | 3,199 bytes |
コンパイル時間 | 2,992 ms |
コンパイル使用メモリ | 196,852 KB |
最終ジャッジ日時 | 2025-01-12 17:20:17 |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 43 |
ソースコード
#pragma region template #include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; using ld = long double; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vll = vector<ll>; using vvll = vector<vll>; using vvvll = vector<vvll>; using vld = vector<ld>; using vvld = vector<vld>; using vvvld = vector<vvld>; using vs = vector<string>; using pll = pair<ll, ll>; using vp = vector<pll>; template <typename T> using pqrev = priority_queue<T, vector<T>, greater<T>>; #define rep(i, n) for (ll i = 0, i##_end = (n); i < i##_end; i++) #define repb(i, n) for (ll i = (n)-1; i >= 0; i--) #define repr(i, a, b) for (ll i = (a), i##_end = (b); i < i##_end; i++) #define reprb(i, a, b) for (ll i = (b)-1, i##_end = (a); i >= i##_end; i--) #define ALL(a) (a).begin(), (a).end() #define SZ(x) ((ll)(x).size()) //* constexpr ll MOD = 1e9 + 7; /*/ constexpr ll MOD = 998244353; //*/ constexpr ll INF = 1e+18; constexpr ld EPS = 1e-12L; constexpr ld PI = 3.14159265358979323846L; constexpr ll GCD(ll a, ll b) { return b ? GCD(b, a % b) : a; } constexpr ll LCM(ll a, ll b) { return a / GCD(a, b) * b; } template <typename S, typename T> constexpr bool chmax(S &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <typename S, typename T> constexpr bool chmin(S &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } #ifdef OJ_LOCAL #include "dump.hpp" #else #define dump(...) ((void)0) #endif template <typename T> bool print_(const T &a) { cout << a; return true; } template <typename T> bool print_(const vector<T> &vec) { for (auto &a : vec) { cout << a; if (&a != &vec.back()) { cout << " "; } } return false; } template <typename T> bool print_(const vector<vector<T>> &vv) { for (auto &v : vv) { for (auto &a : v) { cout << a; if (&a != &v.back()) { cout << " "; } } if (&v != &vv.back()) { cout << "\n"; } } return false; } void print() { cout << "\n"; } template <typename Head, typename... Tail> void print(Head &&head, Tail &&... tail) { bool f = print_(head); if (sizeof...(tail) != 0) { cout << (f ? " " : "\n"); } print(forward<Tail>(tail)...); } #pragma endregion void Pr(bool f){ cout << (f ? "Yes" : "No") << "\n"; exit(0); } int main() { cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); ll n; cin >> n; ll s, t; cin >> s >> t; s--; t--; vll a(n); rep(i, n){ cin >> a[i]; } ll ans = a[s] - a[t]; vll b, c; for(int i = (s+1)%n; i%n != t; i++){ b.emplace_back(a[i%n]); } for(int i = (t+1)%n; i%n != s; i++){ c.emplace_back(a[i%n]); } reverse(ALL(c)); ll br = -1, cr = -1; for(int i = 0, j = SZ(b)-1;; i++, j--){ if(i > j) break; if(i == j){ br = b[i]; break; } ans += b[i] - b[j]; } for(int i = 0, j = SZ(c)-1;; i++, j--){ if(i > j) break; if(i == j){ cr = c[i]; break; } ans += c[i] - c[j]; } if(br != -1 && cr != -1){ ans += max(br, cr) - min(br, cr); }else if(br != -1 || cr != -1){ ans += max(br, cr); } print(ans); }