結果
問題 | No.2717 Sum of Subarray of Subsequence |
ユーザー | 👑 amentorimaru |
提出日時 | 2024-04-05 22:25:43 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 118 ms / 2,000 ms |
コード長 | 3,404 bytes |
コンパイル時間 | 4,446 ms |
コンパイル使用メモリ | 227,952 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-10-01 02:38:04 |
合計ジャッジ時間 | 7,090 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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
6,812 KB |
testcase_02 | AC | 2 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 3 ms
6,820 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 117 ms
6,820 KB |
testcase_10 | AC | 117 ms
6,816 KB |
testcase_11 | AC | 116 ms
6,820 KB |
testcase_12 | AC | 116 ms
6,816 KB |
testcase_13 | AC | 117 ms
6,820 KB |
testcase_14 | AC | 116 ms
6,816 KB |
testcase_15 | AC | 117 ms
6,816 KB |
testcase_16 | AC | 116 ms
6,820 KB |
testcase_17 | AC | 116 ms
6,816 KB |
testcase_18 | AC | 116 ms
6,816 KB |
testcase_19 | AC | 116 ms
6,820 KB |
testcase_20 | AC | 2 ms
6,824 KB |
testcase_21 | AC | 2 ms
6,824 KB |
testcase_22 | AC | 118 ms
6,816 KB |
testcase_23 | AC | 67 ms
6,820 KB |
ソースコード
#define ATCODER #define _USE_MATH_DEFINES #include <stdio.h> #include <iostream> #include <fstream> #include <algorithm> #include <vector> #include <string> #include <cassert> #include <numeric> #include <unordered_map> #include <unordered_set> #include <queue> #include <math.h> #include <climits> #include <set> #include <map> #include <list> #include <random> #include <iterator> #include <bitset> #include <chrono> #include <type_traits> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; #define FOR(i, a, b) for (ll i = (a); i < (b); i++) #define REP(i, n) for (ll i = 0; i < (n); i++) #define ROF(i, a, b) for (ll i = (b - 1); i >= (a); i--) #define PER(i, n) for (ll i = n - 1; i >= 0; i--) #define VL vector<ll> #define VVL vector<vector<ll>> #define VP vector<pair<ll, ll>> #define LPQ(T) priority_queue<T, vector<T>, greater<T>> #define all(i) begin(i), end(i) #define SORT(i) sort(all(i)) #define BITI(i) (1 << i) #define BITSET(x, i) x | (ll(1) << i) #define BITCUT(x, i) x & ~(ll(1) << i) #define EXISTBIT(x, i) (((x >> i) & 1) != 0) #define ALLBIT(n) (ll(1) << n - 1) #define CHMAX(n, v) n = n < v ? v : n #define CHMIN(n, v) n = n > v ? v : n #define MP(a, b) make_pair(a, b) #define DET2(x1, y1, x2, y2) x1 *y2 - x2 *y1 #define DET3(x1, y1, z1, x2, y2, z2, x3, y3, z3) x1 *y2 *z3 + x2 *y3 *z1 + x3 *y1 *z2 - z1 *y2 *x3 - z2 *y3 *x1 - z3 *y1 *x2 #define INC(a) \ for (auto &v : a) \ v++; #define DEC(a) \ for (auto &v : a) \ v--; #define SQU(x) (x) * (x) #ifdef ATCODER #include <atcoder/all> using namespace atcoder; using mint = modint1000000007; using mint2 = modint998244353; #endif template <typename T = ll> vector<T> read(size_t n) { vector<T> ts(n); for (size_t i = 0; i < n; i++) cin >> ts[i]; return ts; } template <typename TV, const ll N> void read_tuple_impl(TV &) {} template <typename TV, const ll N, typename Head, typename... Tail> void read_tuple_impl(TV &ts) { get<N>(ts).emplace_back(*(istream_iterator<Head>(cin))); read_tuple_impl<TV, N + 1, Tail...>(ts); } template <typename... Ts> decltype(auto) read_tuple(size_t n) { tuple<vector<Ts>...> ts; for (size_t i = 0; i < n; i++) read_tuple_impl<decltype(ts), 0, Ts...>(ts); return ts; } using val = ll; using func = ll; val op(val a, val b) { return max(a, b); } val e() { return -1e18; } val mp(func f, val a) { return a + f; } func comp(func f, func g) { return f + g; } func id() { return 0; } ll di[4] = {1, 0, -1, 0}; ll dj[4] = {0, 1, 0, -1}; ll si[4] = {0, 3, 3, 0}; ll sj[4] = {0, 0, 3, 3}; // ll di[4] = { -1,-1,1,1 }; // ll dj[4] = { -1,1,-1,1 }; ll di8[8] = {0, -1, -1, -1, 0, 1, 1, 1}; ll dj8[8] = {-1, -1, 0, 1, 1, 1, 0, -1}; template<typename T> void Factorical(ll siz, vector<T>& out) { out.resize(siz + 1); out[0] = T(1); for (ll i = 0; i < siz; i++) { out[i + 1] = out[i] * (i + 1); } } template<typename T> T Combi(ll a, ll b, vector<T>& fact) { return fact[a] / (fact[b] * fact[a - b]); } void solve() { ll n; cin>>n; VL a=read(n); mint2 ans=0; mint2 half=mint2(1)/2; REP(i,n){ ll L=i; ll R=n-i-1; mint2 add=mint2(L+2)*mint2(2).pow(L)*half; add*=mint2(R+2)*mint2(2).pow(R)*half; ans+=add*a[i]; } cout<<ans.val(); return; } int main() { ll t = 1; // cin >> t; while (t--) { solve(); } return 0; }