結果
問題 | No.1750 ラムドスウイルスの感染拡大-hard |
ユーザー | riano |
提出日時 | 2021-11-19 21:47:15 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 155 ms / 2,000 ms |
コード長 | 4,488 bytes |
コンパイル時間 | 1,741 ms |
コンパイル使用メモリ | 176,268 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-10 08:29:33 |
合計ジャッジ時間 | 4,152 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 5 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 26 ms
6,940 KB |
testcase_09 | AC | 25 ms
6,940 KB |
testcase_10 | AC | 26 ms
6,940 KB |
testcase_11 | AC | 19 ms
6,944 KB |
testcase_12 | AC | 27 ms
6,944 KB |
testcase_13 | AC | 26 ms
6,940 KB |
testcase_14 | AC | 143 ms
6,944 KB |
testcase_15 | AC | 146 ms
6,944 KB |
testcase_16 | AC | 149 ms
6,940 KB |
testcase_17 | AC | 151 ms
6,944 KB |
testcase_18 | AC | 155 ms
6,940 KB |
testcase_19 | AC | 148 ms
6,940 KB |
testcase_20 | AC | 103 ms
6,940 KB |
testcase_21 | AC | 118 ms
6,940 KB |
testcase_22 | AC | 21 ms
6,940 KB |
testcase_23 | AC | 141 ms
6,944 KB |
testcase_24 | AC | 17 ms
6,940 KB |
testcase_25 | AC | 40 ms
6,940 KB |
testcase_26 | AC | 13 ms
6,944 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 3 ms
6,940 KB |
testcase_29 | AC | 2 ms
6,940 KB |
testcase_30 | AC | 21 ms
6,944 KB |
testcase_31 | AC | 20 ms
6,944 KB |
testcase_32 | AC | 20 ms
6,940 KB |
testcase_33 | AC | 20 ms
6,944 KB |
コンパイルメッセージ
main.cpp: In function 'std::vector<std::vector<long long int> > pw_matrix(std::vector<std::vector<long long int> >&, long long int)': main.cpp:134:1: warning: control reaches end of non-void function [-Wreturn-type] 134 | } | ^
ソースコード
#include <bits/stdc++.h> using namespace std; #define ll long long #define rep(i,n) for(int i=0;i<n;i++) #define rrep(i,n) for(int i=n-1;i>=0;i--) #define rrep2(i,n,k) for(int i=n-1;i>=n-k;i--) #define vll(n,i) vector<long long>(n,i) #define v2ll(n,m,i) vector<vector<long long>>(n,vll(m,i)) #define v3ll(n,m,k,i) vector<vector<vector<long long>>>(n,v2ll(m,k,i)) #define v4ll(n,m,k,l,i) vector<vector<vector<vector<long long>>>>(n,v3ll(m,k,l,i)) #define all(v) v.begin(),v.end() #define chmin(k,m) k = min(k,m) #define chmax(k,m) k = max(k,m) #define Pr pair<ll,ll> #define Tp tuple<int,int,int> #define riano_ std::ios::sync_with_stdio(false);std::cin.tie(nullptr) using Graph = vector<vector<int>>; const ll mod = 998244353; template<uint64_t mod> struct modint{ uint64_t val; constexpr modint(const int64_t val_=0) noexcept:val((val_%int64_t(mod)+int64_t(mod))%int64_t(mod)){} constexpr modint operator-() const noexcept{ return modint(*this)=mod-val; } constexpr modint operator+(const modint rhs) const noexcept{ return modint(*this)+=rhs; } constexpr modint operator-(const modint rhs) const noexcept{ return modint(*this)-=rhs; } constexpr modint operator*(const modint rhs) const noexcept{ return modint(*this)*=rhs; } constexpr modint operator/(const modint rhs) const noexcept{ return modint(*this)/=rhs; } constexpr modint &operator+=(const modint rhs) noexcept{ val+=rhs.val; val-=((val>=mod)?mod:0); return (*this); } constexpr modint &operator-=(const modint rhs) noexcept{ val+=((val<rhs.val)?mod:0); val-=rhs.val; return (*this); } constexpr modint &operator*=(const modint rhs) noexcept{ val=val*rhs.val%mod; return (*this); } constexpr modint &operator/=(modint rhs) noexcept{ uint64_t ex=mod-2; modint now=1; while(ex){ now*=((ex&1)?rhs:1); rhs*=rhs,ex>>=1; } return (*this)*=now; } modint & operator++(){ val++; if (val == mod) val = 0; return *this; } modint operator++(int){ modint<mod> res = *this; ++*this; return res; } constexpr bool operator==(const modint rhs) noexcept{ return val==rhs.val; } constexpr bool operator!=(const modint rhs) noexcept{ return val!=rhs.val; } friend constexpr ostream &operator<<(ostream& os,const modint x) noexcept{ return os<<(x.val); } friend constexpr istream &operator>>(istream& is,modint& x) noexcept{ uint64_t t; is>>t,x=t; return is; } }; typedef modint<mod> mint; #define vm(n,i) vector<mint>(n,i) #define v2m(n,m,i) vector<vector<mint>>(n,vm(m,i)) #define v3m(n,m,k,i) vector<vector<vector<mint>>>(n,v2m(m,k,i)) #define v4m(n,m,k,l,i) vector<vector<vector<vector<mint>>>>(n,v3m(m,k,l,i)) //行列累乗 matrix power //modをglobalに定義しておく vector<vector<ll>> pw_matrix(vector<vector<ll>> &M,ll n){ if(n==0){ vector<vector<ll>> E = M; rep(i,M.size()){ rep(j,M.size()){ if(i==j) E[i][j] = 1; else E[i][j] = 0; } } return E; } if(n==1) return M; if(n%2==1){ auto K = pw_matrix(M,n-1); int a = M.size(); vector<vector<ll>> L(a,vector<ll>(a)); rep(i,a){ rep(j,a){ ll b = 0; rep(k,a) b += (M[i][k]*K[k][j])%mod; L[i][j] = b%mod; } } return L; } if(n%2==0){ auto K = pw_matrix(M,n/2); int a = M.size(); vector<vector<ll>> L(a,vector<ll>(a)); rep(i,a){ rep(j,a){ ll b = 0; rep(k,a) b += (K[i][k]*K[k][j])%mod; L[i][j] = b%mod; } } return L; } } int main() { riano_; ll ans = 0; ll N,M,T; cin >> N >> M >> T; //main関数内 sizeは適宜買える vector<vector<ll>> Mat(N,vector<ll>(N,0)); //もとの行列 rep(i,M){ ll s,t; cin >> s >> t; Mat[s][t] = 1; Mat[t][s] = 1; } vector<ll> a(N,0); //初期値 a[0] = 1; //行列の成分を代入 auto S = pw_matrix(Mat,T); rep(i,3){ //size変える ans += (S[0][i]*a[i])%mod; ans %= mod; } cout << ans << endl; }