結果
問題 | No.1750 ラムドスウイルスの感染拡大-hard |
ユーザー |
![]() |
提出日時 | 2021-11-19 21:53:18 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 250 ms / 2,000 ms |
コード長 | 7,928 bytes |
コンパイル時間 | 2,675 ms |
コンパイル使用メモリ | 193,076 KB |
実行使用メモリ | 23,296 KB |
最終ジャッジ日時 | 2024-12-31 23:08:52 |
合計ジャッジ時間 | 6,147 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 30 |
ソースコード
#ifdef LOCAL#define _GLIBCXX_DEBUG#define __clock__#else#pragma GCC optimize("Ofast")#endif#include<bits/stdc++.h>using namespace std;using ll = long long;using VI = vector<ll>;using VV = vector<VI>;using VS = vector<string>;using PII = pair<ll, ll>;// #define INT128 // 必要なら有効化してください#ifdef INT128using LL = __int128;#endif// tourist settemplate <typename A, typename B>string to_string(pair<A, B> p);template <typename A, typename B, typename C>string to_string(tuple<A, B, C> p);template <typename A, typename B, typename C, typename D>string to_string(tuple<A, B, C, D> p);string to_string(const string& s) {return '"' + s + '"';}string to_string(const char* s) {return to_string((string) s);}string to_string(bool b) {return (b ? "true" : "false");}string to_string(char c){string s = {c};return s;}// LL#ifdef INT128// inputistream& operator>>(istream& is, LL& v){string s;is >> s;v = 0;for (int i = 0; i < (int)s.size(); i++) {if (isdigit(s[i])) { v = v * 10 + s[i] - '0'; }}if (s[0] == '-') { v *= -1; }return is;}std::ostream &operator<<(std::ostream &dest, LL value) {std::ostream::sentry s(dest);if (s) {LL tmp = value < 0 ? -value : value;char buffer[128];char *d = std::end(buffer);do {--d;*d = "0123456789"[tmp % 10];tmp /= 10;} while (tmp != 0);if (value < 0) {--d;*d = '-';}int len = std::end(buffer) - d;if (dest.rdbuf()->sputn(d, len) != len) {dest.setstate(std::ios_base::badbit);}}return dest;}string to_string(LL v){stringstream ss;ss << v;return ss.str();}#endif // LLstring to_string(vector<bool> v) {bool first = true;string res = "{";for (int i = 0; i < static_cast<int>(v.size()); i++) {if (!first) {res += ", ";}first = false;res += to_string(v[i]);}res += "}";return res;}template <size_t N>string to_string(bitset<N> v) {string res = "";for (size_t i = 0; i < N; i++) {res += static_cast<char>('0' + v[i]);}return res;}template <typename A>string to_string(A v) {bool first = true;string res = "{";for (const auto &x : v) {if (!first) {res += ", ";}first = false;res += to_string(x);}res += "}";return res;}template <typename A, typename B>string to_string(pair<A, B> p) {return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";}template <typename A, typename B, typename C>string to_string(tuple<A, B, C> p) {return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")";}template <typename A, typename B, typename C, typename D>string to_string(tuple<A, B, C, D> p) {return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")";}void debug_out() { cerr << '\n'; }template <typename Head, typename... Tail>void debug_out(Head H, Tail... T) {cerr << " " << to_string(H);debug_out(T...);}#ifdef LOCAL#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)#else#define debug(...) 42#endif// tourist set endtemplate<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }#define FOR(i,a,b) for(ll i=(a);i<(b);++i)#define rep(i,b) FOR(i, 0, b)#define ALL(v) (v).begin(), (v).end()#define p(s) cout<<(s)<<'\n'#define p2(s, t) cout << (s) << " " << (t) << '\n'#define SZ(x) ((int)(x).size())#define SORT(A) sort(ALL(A))#define RSORT(A) sort(ALL(A), greater<ll>())#define MP make_pair#define p_yes() p("Yes")#define p_no() p("No")#define p_possible() p("Possible")#define p_impossible() p("Impossible")void yes(){p_yes(); exit(0);}void no(){p_no(); exit(0);}void possible(){p_possible(); exit(0);}void impossible(){p_impossible(); exit(0);}ll SUM(VI& V){return accumulate(ALL(V), 0LL);}ll MIN(VI& V){return *min_element(ALL(V));}ll MAX(VI& V){return *max_element(ALL(V));}void print_vector(VI& V, ll offset=0){ll n = V.size();rep(i, n){if(i) cout << ' ';cout << V[i]+offset;}cout << endl;}ll gcd(ll a,ll b){if(b == 0) return a;return gcd(b,a%b);}ll lcm(ll a,ll b){ll g = gcd(a,b);return a / g * b;}// long doubleusing ld = long double;// #define EPS (1e-14)constexpr ld EPS = 1e-14;// #define equals(a,b) (fabs((a)-(b)) < EPS)constexpr bool equals(ld a, ld b){return fabs((a)-(b)) < EPS;}// 小さい順に取り出すpriority queueusing inverse_priority_queue = priority_queue<ll, vector<ll>, greater<ll> >;int popcount(ll t){return __builtin_popcountll(t);}// const ll mod = 1e9 + 7;const ll mod = 998244353;const ll inf = 4e18; // LLONG_MAX = 9223372036854775807 (atcoder, codeforces)const double PI = acos(-1);// [a/b] (繰り上げ)ll ceil_div(ll a, ll b){return (a+b-1)/b;}ll ll_pow(ll a, ll n){ll ans = 1;FOR(i, 0, n){ans *= a;}return ans;}// modなし// snuke's mint// auto mod int// https://youtu.be/L8grWxBlIZ4?t=9858// https://youtu.be/ERZuLAxZffQ?t=4807 : optimize// https://youtu.be/8uowVvQ_-Mo?t=1329 : division// const int mod = 1000000007;struct mint {ll x; // using ll = long long;mint(ll x=0):x((x%mod+mod)%mod){}mint operator-() const { return mint(-x);}mint& operator+=(const mint a) {if ((x += a.x) >= mod) x -= mod;return *this;}mint& operator-=(const mint a) {if ((x += mod-a.x) >= mod) x -= mod;return *this;}mint& operator*=(const mint a) {(x *= a.x) %= mod;return *this;}mint operator+(const mint a) const {mint res(*this);return res+=a;}mint operator-(const mint a) const {mint res(*this);return res-=a;}mint operator*(const mint a) const {mint res(*this);return res*=a;}mint pow(ll t) const {if (!t) return 1;mint a = pow(t>>1);a *= a;if (t&1) a *= *this;return a;}// for prime modmint inv() const {return pow(mod-2);}mint& operator/=(const mint a) {return (*this) *= a.inv();}mint operator/(const mint a) const {mint res(*this);return res/=a;}};// ※双方向// N : 頂点数// M : 辺数// return vector<vector<ll>>VV load_graph(ll N, ll M){VV G(N);rep(i,M){ll a,b;cin>>a>>b;// a--;b--;G[a].push_back(b);G[b].push_back(a);}return G;}VV load_tree(ll N){return load_graph(N, N-1);}VI loadV(ll N){VI A(N);rep(i,N)cin>>A[i];return A;}//#include <atcoder/dsu>//using namespace atcoder; // 忘れがちusing Mat = vector<vector<mint>>;// Matrix Library// 計算量 O(N^3)Mat mat_mul(const Mat& x, const Mat& y){int a = x.size();int b = x[0].size();int c = y[0].size();Mat z(a, vector<mint>(c, 0));FOR(i, 0, a){FOR(j, 0, c){FOR(k, 0, b){z[i][j] += x[i][k] * y[k][j];}}}return z;}Mat mat_pow(const Mat& x, ll k){int n = x.size();Mat y(n, vector<mint>(n, 0));FOR(i, 0, n){y[i][i] = 1;}auto z = x;if(k==0) return y;if(k==1) return z;if(k%2==0){return mat_pow(mat_mul(x, x), k/2);}else{return mat_mul(x, mat_pow(x, k-1));}}int main(){cin.tie(0);ios::sync_with_stdio(false);// inputll N,M,T;cin>>N>>M>>T;Mat A(N, vector<mint>(N)); // N * Nwhile(M--){// edgell a,b;cin>>a>>b;A[a][b]=1;A[b][a]=1;}Mat I(N, vector<mint>(1)); // N * 1I[0][0]=1;auto temp = mat_pow(A, T);auto res = mat_mul(temp, I);ll ans = res[0][0].x;p(ans);return 0;}