結果

問題 No.2291 Union Find Estimate
ユーザー akuaakua
提出日時 2023-05-05 21:48:40
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 283 ms / 2,000 ms
コード長 4,810 bytes
コンパイル時間 16,921 ms
コンパイル使用メモリ 244,480 KB
最終ジャッジ日時 2025-02-12 17:59:02
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 18
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<atcoder/all>
#include <iostream> // cout, endl, cin
#include <string> // string, to_string, stoi
#include <vector> // vector
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound
#include <utility> // pair, make_pair
#include <tuple> // tuple, make_tuple
#include <cstdint> // int64_t, int*_t
#include <cstdio> // printf
#include <map> // map
#include <queue> // queue, priority_queue
#include <set> // set
#include <stack> // stack
#include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset
#include <cctype> // isupper, islower, isdigit, toupper, tolower
#include <math.h>
#include <iomanip>
#include <functional>
#include<unordered_map>
using namespace std;
using namespace atcoder;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define repi(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
typedef long long ll;
typedef unsigned long long ull;
const ll inf=1e18;
using graph = vector<vector<int> > ;
using P= pair<ll,ll>;
using vi=vector<int>;
using vvi=vector<vi>;
using vll=vector<ll>;
using vvll=vector<vll>;
using vp=vector<P>;
using vvp=vector<vp>;
using vd=vector<double>;
using vvd =vector<vd>;
//string T="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
//string S="abcdefghijklmnopqrstuvwxyz";
//g++ main.cpp -std=c++17 -I .
//cout <<setprecision(20);
//cout << fixed << setprecision(10);
//cin.tie(0); ios::sync_with_stdio(false);
const double PI = acos(-1);
int vx[]={0,1,0,-1,-1,1,1,-1},vy[]={1,0,-1,0,1,1,-1,-1};
void putsYes(bool f){cout << (f?"Yes":"No") << endl;}
void putsYES(bool f){cout << (f?"YES":"NO") << endl;}
void putsFirst(bool f){cout << (f?"First":"Second") << endl;}
void debug(int test){cout << "TEST" << " " << test << endl;}
ll pow_pow(ll x,ll n,ll mod){
if(n==0) return 1;
x%=mod;
ll res=pow_pow(x*x%mod,n/2,mod);
if(n&1)res=res*x%mod;
return res;
}
ll gcd(ll x,ll y){
if(y==0)return x;
return gcd(y,x%y);
}
ll lcm(ll x,ll y){
return ll(x/gcd(x,y))*y;
}
template<class T> bool chmin(T& a, T b) {
if (a > b) {
a = b;
return true;
}
else return false;
}
template<class T> bool chmax(T& a, T b) {
if (a < b) {
a = b;
return true;
}
else return false;
}
using mint=modint998244353;
using vm=vector<mint>;
using vvm=vector<vm>;
int mod = 998244353;
vll fact, fact_inv, inv;
void init_nCk(int n) {
fact.resize(n+1);
fact_inv.resize(n+1);
inv.resize(n+1);
fact[0] = fact[1] = 1;
fact_inv[0] = fact_inv[1] = 1;
inv[1] = 1;
for (int i = 2; i<=n; i++) {
fact[i] = fact[i - 1] * i % mod;
inv[i] = mod - inv[mod % i] * (mod / i) % mod;
fact_inv[i] = fact_inv[i - 1] * inv[i] % mod;
}
}
ll c(int n, int k) {
if(n<k)return 0;
if(n<0 || k<0)return 0;
return fact[n] * (fact_inv[k] * fact_inv[n - k] % mod) % mod;
}
struct edge{
int to; ll cost;
edge(int to,ll cost) : to(to),cost(cost){}
};
using ve=vector<edge>;
using vve=vector<ve>;
struct UnionFind { vector<int> par, siz; UnionFind(int n) : par(n, -1) , siz(n, 1) { } int root(int x) { if (par[x] == -1) return x;
else return par[x] = root(par[x]);
}
bool issame(int x, int y) {
return root(x) == root(y);
}
bool unite(int x, int y) {
x = root(x), y = root(y);
if (x == y) return false;
if (siz[x] < siz[y]) swap(x, y);
par[y] = x;
siz[x] += siz[y];
return true;
}
int size(int x) {
return siz[root(x)];
}
};
vll anss;
string S="abcdefghijklmnopqrstuvwxyz";
void solve(int test){
int n,h; cin>> n >> h;
UnionFind uf(n+10);
rep(qi,h){
string s; cin >> s;
vvi g(26);
rep(i,n){
if(s[i]=='?')continue;
int is=0;
rep(j,26)if(s[i]==S[j]){
g[s[i]-'a'].push_back(i);
is=1;
break;
}
if(!is){
uf.unite(i,n+s[i]-'0');
}
}
rep(i,26)repi(j,1,g[i].size())uf.unite(g[i][0],g[i][j]);
int is=1;
rep(i,10)repi(j,i+1,10)if(uf.issame(n+i,n+j)){
is=0;
continue;
}
if(!is){
anss.push_back(0);
continue;
}
vi done(n+10);
mint ans=1;
rep(i,10){
done[uf.root(n+i)]=1;
}
rep(i,n)if(i==uf.root(i) && !done[i]){
ans*=10;
}
anss.push_back(ans.val());
}
}
//python3 expander.py main.cpp
//g++ cf.cpp -std=c++17 -I .
int main(){cin.tie(0);ios::sync_with_stdio(false);
int t=1;//cin >> t;
rep(test,t)solve(test);
for(auto u:anss)cout << u << endl;
}
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