結果
問題 | No.2512 Mountain Sequences |
ユーザー | 👑 amentorimaru |
提出日時 | 2023-08-25 21:32:08 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,432 bytes |
コンパイル時間 | 4,272 ms |
コンパイル使用メモリ | 162,372 KB |
実行使用メモリ | 17,408 KB |
最終ジャッジ日時 | 2024-06-24 18:16:14 |
合計ジャッジ時間 | 11,632 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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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 | 163 ms
6,400 KB |
testcase_01 | AC | 165 ms
6,528 KB |
testcase_02 | AC | 166 ms
6,528 KB |
testcase_03 | AC | 165 ms
6,400 KB |
testcase_04 | AC | 165 ms
6,528 KB |
testcase_05 | AC | 162 ms
6,528 KB |
testcase_06 | AC | 161 ms
6,400 KB |
testcase_07 | AC | 164 ms
6,528 KB |
testcase_08 | AC | 163 ms
6,400 KB |
testcase_09 | AC | 163 ms
6,528 KB |
testcase_10 | TLE | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
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> using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pdd = pair<ld, ld>; //template<class T> using pq = priority_queue<T, vector<T>, greater<T>>; #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 REPREP(i,j,a,b) for(ll i=0;i<a;i++)for(ll j=0;j<b;j++) #define VV(type) vector< vector<type> > #define VV2(type,n,m,val) vector< vector<type> > val;val.resize(n);for(ll i;i<n;i++)val[i].resize(m) #define vec(type) vector<type> #define VEC(type,n,val) vector<type> val;val.resize(n) #define VL vector<ll> #define VVL vector< vector<ll> > #define VP vector< pair<ll,ll> > #define SZ size() #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) #define L0 ll(0) #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 min(a, b); } val e() { return 1e18; } val mp(func f, val a) { if (f == -1) return a; return f; } func comp(func f, func g) { if (f == -1) return g; return f; } func id() { return -1; } ll di[4] = { 1,0,-1,0 }; ll dj[4] = { 0,1,0,-1 }; //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> T Combi(ll a, ll b, vector<T>& fact, vector<T>& rfact) { if (a < 0 || b < 0 || a < b) return 0; return fact[a] / (fact[b] * fact[a - b]); } void solve() { ll t; cin >> t; ll MAX_N = 200000; ll MAX_M = 200000; ll rn = sqrt(MAX_N); vector<mint2> f(MAX_N * 2 + 101, 1), rf(MAX_N * 2 + 101, 1); mint2 half = mint2(1) / 2; REP(i, MAX_N * 2 + 100) { f[i + 1] = f[i] * (i + 1); rf[i + 1] = mint2(1) / f[i + 1]; } vector<tuple<ll, ll, ll>> nmi(t); REP(i, t) { ll n, m; cin >> n >> m; nmi[i] = make_tuple(n, m, i); } SORT(nmi); vector<mint2> ans(t); ll mx = 0; ll nnm = 0; while (mx < MAX_N) { vector<tuple<ll, ll, ll>> mni; while (nnm < t) { auto [n, m, i] = nmi[nnm]; if (n >= mx + rn + 1) break; if (m * 2 > n) mni.emplace_back(m, n, i); nnm++; } SORT(mni); mint2 sum = 0; ll fsm = (mx + 1) / 2; ll mnid = 0; FOR(mm, fsm, MAX_M + 1) { if (mnid == mni.size()) break; while (mnid < mni.size()) { auto [m, n, i] = mni[mnid]; if (m != mm) break; mint2 now = sum; REP(i, n - mx - 1) { now = (Combi(m * 2, mx + i + 2, f, rf) - now) * half; } ans[i] = now; mnid++; } sum += Combi(mm * 2, mx, f, rf); } mx += rn; } REP(i, t) { cout << ans[i].val() << "\n"; } return; } int main() { ll t = 1; //cin >> t; while (t--) { solve(); } return 0; }