結果
問題 | No.1261 数字集め |
ユーザー | tokusakurai |
提出日時 | 2020-10-17 16:13:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,137 bytes |
コンパイル時間 | 2,449 ms |
コンパイル使用メモリ | 206,444 KB |
実行使用メモリ | 48,556 KB |
最終ジャッジ日時 | 2024-07-21 05:42:06 |
合計ジャッジ時間 | 36,183 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | WA | - |
testcase_01 | AC | 247 ms
29,056 KB |
testcase_02 | AC | 280 ms
40,064 KB |
testcase_03 | AC | 286 ms
40,320 KB |
testcase_04 | AC | 250 ms
32,768 KB |
testcase_05 | AC | 317 ms
47,104 KB |
testcase_06 | AC | 266 ms
34,560 KB |
testcase_07 | AC | 274 ms
41,088 KB |
testcase_08 | AC | 252 ms
31,360 KB |
testcase_09 | AC | 261 ms
35,200 KB |
testcase_10 | AC | 209 ms
19,840 KB |
testcase_11 | AC | 331 ms
46,840 KB |
testcase_12 | AC | 309 ms
43,776 KB |
testcase_13 | AC | 304 ms
41,344 KB |
testcase_14 | AC | 207 ms
21,504 KB |
testcase_15 | AC | 277 ms
30,080 KB |
testcase_16 | AC | 300 ms
41,088 KB |
testcase_17 | AC | 245 ms
36,864 KB |
testcase_18 | AC | 249 ms
30,208 KB |
testcase_19 | AC | 295 ms
40,576 KB |
testcase_20 | AC | 217 ms
22,016 KB |
testcase_21 | AC | 327 ms
48,256 KB |
testcase_22 | AC | 327 ms
48,256 KB |
testcase_23 | AC | 335 ms
48,256 KB |
testcase_24 | AC | 328 ms
48,256 KB |
testcase_25 | AC | 331 ms
48,320 KB |
testcase_26 | AC | 326 ms
48,256 KB |
testcase_27 | AC | 333 ms
48,384 KB |
testcase_28 | AC | 325 ms
48,256 KB |
testcase_29 | AC | 328 ms
48,384 KB |
testcase_30 | AC | 327 ms
48,256 KB |
testcase_31 | AC | 340 ms
48,376 KB |
testcase_32 | AC | 333 ms
48,256 KB |
testcase_33 | AC | 329 ms
48,292 KB |
testcase_34 | AC | 330 ms
48,256 KB |
testcase_35 | AC | 341 ms
48,368 KB |
testcase_36 | AC | 333 ms
48,248 KB |
testcase_37 | AC | 331 ms
48,256 KB |
testcase_38 | AC | 331 ms
48,256 KB |
testcase_39 | AC | 329 ms
48,380 KB |
testcase_40 | AC | 334 ms
48,384 KB |
testcase_41 | AC | 328 ms
48,128 KB |
testcase_42 | AC | 331 ms
48,256 KB |
testcase_43 | AC | 334 ms
48,256 KB |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | WA | - |
testcase_66 | WA | - |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | WA | - |
testcase_70 | WA | - |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | WA | - |
testcase_76 | WA | - |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | WA | - |
testcase_83 | WA | - |
testcase_84 | WA | - |
testcase_85 | WA | - |
testcase_86 | WA | - |
testcase_87 | WA | - |
testcase_88 | WA | - |
testcase_89 | WA | - |
testcase_90 | WA | - |
testcase_91 | WA | - |
testcase_92 | WA | - |
testcase_93 | WA | - |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < n; i++) #define rep2(i, x, n) for(int i = x; i <= n; i++) #define rep3(i, x, n) for(int i = x; i >= n; i--) #define elif else if #define sp(x) fixed << setprecision(x) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; const int MOD = 1000000007; //const int MOD = 998244353; const int inf = (1<<30)-1; const ll INF = (1LL<<60)-1; const double pi = acos(-1.0); const double EPS = 1e-10; template<typename T> bool chmax(T &x, const T &y) {return (x < y)? (x = y, true) : false;}; template<typename T> bool chmin(T &x, const T &y) {return (x > y)? (x = y, true) : false;}; template<int mod> struct Mod_Int{ ll x; Mod_Int() : x(0) {} Mod_Int(ll y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} Mod_Int &operator += (const Mod_Int &p){ x = (x + p.x) % mod; return *this; } Mod_Int &operator -= (const Mod_Int &p){ x = (x + mod - p.x) % mod; return *this; } Mod_Int &operator *= (const Mod_Int &p){ x = (x * p.x) % mod; return *this; } Mod_Int &operator /= (const Mod_Int &p){ *this *= p.inverse(); return *this; } Mod_Int &operator ++ () {return *this += Mod_Int(1);} Mod_Int operator ++ (int){ Mod_Int tmp = *this; ++*this; return tmp; } Mod_Int &operator -- () {return *this -= Mod_Int(1);} Mod_Int operator -- (int){ Mod_Int tmp = *this; --*this; return tmp; } Mod_Int operator - () const {return Mod_Int(-x);} Mod_Int operator + (const Mod_Int &p) const {return Mod_Int(*this) += p;} Mod_Int operator - (const Mod_Int &p) const {return Mod_Int(*this) -= p;} Mod_Int operator * (const Mod_Int &p) const {return Mod_Int(*this) *= p;} Mod_Int operator / (const Mod_Int &p) const {return Mod_Int(*this) /= p;} bool operator == (const Mod_Int &p) const {return x == p.x;} bool operator != (const Mod_Int &p) const {return x != p.x;} Mod_Int inverse() const { assert(*this != Mod_Int(0)); return pow(mod-2); } Mod_Int pow(ll k) const{ Mod_Int now = *this, ret = 1; while(k){ if(k&1) ret *= now; now *= now, k >>= 1; } return ret; } friend ostream &operator << (ostream &os, const Mod_Int &p){ return os << p.x; } friend istream &operator >> (istream &is, Mod_Int &p){ ll a; is >> a; p = Mod_Int<mod>(a); return is; } }; using mint = Mod_Int<MOD>; const int MAX = 1000000; int A[MAX+1]; mint iv[MAX+1], pw[MAX+1]; mint inv(int a){ if(a > 0) return iv[a]; else return iv[abs(a)]*(-1); } mint calc(int i, int j, int k){ int a = A[i], b = A[j], c = A[k]; return (pw[a]*(b-c)+pw[b]*(c-a)+pw[c]*(a-b))*inv(a-b)*inv(b-c)*inv(c-a); } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); int N, M; cin >> N >> M; rep2(i, 2, N){ cin >> A[i]; A[i]--; } bool st[N+1], en[N+1]; rep2(i, 2, N-1){ st[i] = true, en[i] = (N%i == 0); } rep2(i, 1, MAX) iv[i] = mint(i).inverse(); rep2(i, 1, MAX) pw[i] = mint(i).pow(M-1); vector<int> es[N+1]; mint ans = 0; rep2(i, 2, N-1){ for(int j = i+i; j <= N; j += i){ if(st[i] && en[j]){ int a = A[i]-1, b = A[j]-1, c = A[N]-1; ans -= calc(i, j, N); es[j].pb(i); } } } cout << ans << '\n'; int Q; cin >> Q; while(Q--){ int x, y; cin >> x >> y; if(y < N){ es[y].pb(x); if(st[x] && en[y]) ans -= calc(x, y, N); } else{ en[x] = true; for(auto &e: es[x]){ if(st[e]) ans -= calc(e, x, N); } } cout << ans << '\n'; } }