結果
問題 | No.2792 Security Cameras on Young Diagram |
ユーザー | dadas |
提出日時 | 2024-05-15 18:08:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 83 ms / 2,000 ms |
コード長 | 2,392 bytes |
コンパイル時間 | 2,033 ms |
コンパイル使用メモリ | 202,512 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-06-24 18:43:59 |
合計ジャッジ時間 | 3,281 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 9 ms
6,812 KB |
testcase_01 | AC | 8 ms
6,940 KB |
testcase_02 | AC | 8 ms
6,944 KB |
testcase_03 | AC | 9 ms
6,940 KB |
testcase_04 | AC | 9 ms
6,940 KB |
testcase_05 | AC | 8 ms
6,940 KB |
testcase_06 | AC | 9 ms
6,940 KB |
testcase_07 | AC | 8 ms
6,940 KB |
testcase_08 | AC | 8 ms
6,940 KB |
testcase_09 | AC | 8 ms
6,940 KB |
testcase_10 | AC | 9 ms
6,940 KB |
testcase_11 | AC | 8 ms
6,940 KB |
testcase_12 | AC | 46 ms
6,940 KB |
testcase_13 | AC | 30 ms
6,940 KB |
testcase_14 | AC | 45 ms
6,948 KB |
testcase_15 | AC | 21 ms
6,944 KB |
testcase_16 | AC | 50 ms
6,944 KB |
testcase_17 | AC | 63 ms
6,940 KB |
testcase_18 | AC | 17 ms
6,940 KB |
testcase_19 | AC | 14 ms
6,944 KB |
testcase_20 | AC | 27 ms
6,940 KB |
testcase_21 | AC | 8 ms
6,944 KB |
testcase_22 | AC | 8 ms
6,940 KB |
testcase_23 | AC | 83 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); return 0; } using ll = long long; using ull = unsigned long long; using ld = long double; using vi = std::vector<int>; using vvi = std::vector<vi>; using vl = std::vector<ll>; using vii = std::vector<pair<int, int> >; using vvl = std::vector<vl>; using vll = std::vector<pair<ll , ll> >; using vd = std::vector<double>; using vvd = std::vector<vd>; using vs = std::vector<std::string>; using vvs = std::vector<vs>; using vb = std::vector<bool>; using vvb = std::vector<vb>; using vc = std::vector<char>; using vvc = std::vector<vc>; using pii = std::pair<int, int>; using pll = std::pair<ll, ll>; using piil = std::pair<pair<int, int>, ll>; using mii = std::map<int, int>; using mll = std::map<ll, ll>; using pql = std::priority_queue<ll>; using pqi = std::priority_queue<int>; using pqiil = std::priority_queue<pair<pair<int, int>, ll> >; using pqii = std::priority_queue<pair<int, int> >; #define pb push_back #define ps push #define eb emplace_back #define is insert #define er erase #define f first #define s second #define lb lower_bound #define ub upper_bound #define sf(i) sizeof(i) #define endl "\n" #define sz(v) ((int)(v).size()) #define all(v) (v).begin(), (v).end() #define rep(i, L, R) for(ll i = L;i<=R;i++) #define pcis precision template<typename T> struct infinity { static constexpr T max=std::numeric_limits<T>::max(); static constexpr T min=std::numeric_limits<T>::min(); static constexpr T value=std::numeric_limits<T>::max()/2; static constexpr T mvalue=std::numeric_limits<T>::min()/2; }; template<typename T>constexpr T INF=infinity<T>::value; constexpr ll lINF=INF<ll>; constexpr int iINF = INF<int>; constexpr ld PI = 3.1415926535897932384626; ll MOD = 998244353; ll modinv(ll a, ll m) { ll b = m, u = 1, v = 0; while (b) { ll t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } ll FACT[300001]; void _main() { ll N; cin >> N; ll A[N+1]; for (ll i = 1;i<=N;i++)cin>>A[i]; FACT[0] = 1; for (ll i = 1;i<=300000;i++) { FACT[i] = FACT[i-1]*i%MOD; } ll SUM = 0; for (ll i = 1;i<=N;i++) { ll AA = i-1+A[i]; ll B = i; SUM += ((FACT[AA]*modinv(FACT[B],MOD))%MOD)*modinv(FACT[AA-B], MOD)%MOD; SUM %= MOD; } cout <<(SUM+1)%MOD << endl; }