結果
問題 | No.1378 Flattening |
ユーザー | Enjapma_kyopro |
提出日時 | 2021-02-05 22:46:06 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 313 ms / 2,000 ms |
コード長 | 3,676 bytes |
コンパイル時間 | 1,392 ms |
コンパイル使用メモリ | 173,044 KB |
実行使用メモリ | 201,100 KB |
最終ジャッジ日時 | 2024-07-02 13:36:00 |
合計ジャッジ時間 | 6,549 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 3 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 3 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 2 ms
6,940 KB |
testcase_25 | AC | 2 ms
6,940 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,940 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 | 281 ms
199,824 KB |
testcase_32 | AC | 288 ms
199,440 KB |
testcase_33 | AC | 263 ms
199,564 KB |
testcase_34 | AC | 265 ms
199,948 KB |
testcase_35 | AC | 313 ms
199,696 KB |
testcase_36 | AC | 277 ms
200,592 KB |
testcase_37 | AC | 232 ms
199,440 KB |
testcase_38 | AC | 222 ms
199,176 KB |
testcase_39 | AC | 226 ms
201,100 KB |
testcase_40 | AC | 219 ms
199,436 KB |
testcase_41 | AC | 219 ms
200,336 KB |
testcase_42 | AC | 220 ms
199,696 KB |
testcase_43 | AC | 222 ms
200,208 KB |
testcase_44 | AC | 220 ms
199,436 KB |
testcase_45 | AC | 25 ms
25,332 KB |
testcase_46 | AC | 37 ms
37,112 KB |
testcase_47 | AC | 7 ms
10,344 KB |
testcase_48 | AC | 182 ms
173,072 KB |
testcase_49 | AC | 203 ms
187,912 KB |
testcase_50 | AC | 20 ms
22,512 KB |
testcase_51 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> #include <numeric> using namespace std; // using mint = long double; // using mint = modint998244353; // using mint = modint1000000007; typedef long long ll; typedef pair<ll, ll> P; typedef pair<P, ll> T; typedef pair<ll, vector<ll> > Pd; const ll INF = 1e18; const ll fact_table = 3200008; priority_queue <ll> pql; priority_queue <P> pqp; //big priority queue // priority_queue <ll, vector<ll>, greater<ll> > pqls; priority_queue <P, vector<P>, greater<P> > pqps; //small priority queue //top pop ll dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; ll dy[8] = {0, 1, 0, -1, -1, 1, 1, -1}; //↓,→,↑,← /* #define endl "\n" #ifdef ENJAPMA #undef endl #endif */ #define p(x) cout<<x<<endl; #define el cout<<endl; #define pe(x) cout<<x<<" "; #define ps(x) cout<<fixed<<setprecision(25)<<x<<endl; #define pu(x) cout<<(x); #define pb push_back #define lb lower_bound #define ub upper_bound #define pc(x) cout << x << ","; #define rep(i, n) for (ll i = 0; i < (n); i ++) #define rep2(i, a, b) for (ll i = a; i <= (b); i++) #define rep3(i, a, b) for (ll i = a; i >= (b); i--) typedef vector<ll> vec; typedef vector<vector<ll>> mat; // vec v(n) -> 長さnのベクトルを宣言 // mat dp(h, vec(w)) -> h * w の行列を宣言 const ll mod = 998244353ll; // const ll mod = 1000000007ll; ll mypow(ll a, ll b, ll m = mod) {ll x = 1; while (b) {while (!(b & 1)) {(a *= a) %= m; b >>= 1;}(x *= a) %= m; b--;} return x;} vec rv(ll read) { vec res(read); for (int i = 0; i < read; i++) { cin >> res[i]; } return res;} void YES(bool cond) { if (cond) { p("YES");} else { p("NO");} return;} void Yes(bool cond) { if (cond) { p("Yes");} else { p("No");} return;} void line() { p("--------------------"); return;} /* ll fact[fact_table + 5], rfact[fact_table + 5]; void c3_init() { fact[0] = rfact[0] = 1; for (ll i = 1; i <= fact_table; i++) { fact[i] = (fact[i - 1] * i) % mod; } rfact[fact_table] = mypow(fact[fact_table], mod - 2, mod); for (ll i = fact_table; i >= 1; i--) { rfact[i - 1] = rfact[i] * i; rfact[i - 1] %= mod; } return; } ll c3(ll n, ll r) { return (((fact[n] * rfact[r]) % mod ) * rfact[n - r]) % mod; } */ bool icpc = false; bool multicase = false; ll n, m; ll x[5005]; ll mini[5005][5005]; ll lef[5005], righ[5005]; ll dp[5005][5005]; bool solve() { /* cin >> n; vec v(n); rep(i, n) { cin >> v[i]; } dfs(v); p(st.size()); return true; */ cin >> n; rep2(i, 1, n) { cin >> x[i]; } rep2(i, 1, n) { lef[i] = righ[i] = i; rep2(j, i, n) { if (x[i] <= x[j]) { righ[i] = j; } else { break; } } rep3(j, i, 1) { if (x[i] <= x[j]) { lef[i] = j; } else { break; } } } dp[1][0] = 1; rep2(i, 1, n) { ll l = lef[i], r = righ[i]; rep2(j, l, r) { dp[i][j] += dp[i - 1][j - 1] + dp[i][j - 1]; dp[i][j] %= mod; } rep2(j, 0, n){ dp[i][j] += dp[i - 1][j]; dp[i][j] %= mod; } } ll ans = 0; ll value = INF; ans = dp[n][n]; p(ans); return true; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); if (icpc) { while (solve()); return 0; } ll q, testcase = 1; if (multicase) { cin >> q; } else { q = 1; } while (q--) { // pu("Case ");pu("#");pu(testcase);pu(": "); solve(); testcase++; } // solve(); return 0; }