結果
| 問題 |
No.1654 Binary Compression
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-08-20 23:18:39 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 3,919 bytes |
| コンパイル時間 | 2,293 ms |
| コンパイル使用メモリ | 203,316 KB |
| 最終ジャッジ日時 | 2025-01-24 00:34:54 |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 RE * 2 |
| other | AC * 36 WA * 3 RE * 9 MLE * 2 |
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 each(e, v) for(auto &e: v)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#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 = 924844033;
//const int MOD = 998244353;
const int inf = (1<<30)-1;
const ll INF = (1LL<<60)-1;
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;};
struct io_setup{
io_setup(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout << fixed << setprecision(15);
}
} io_setup;
template<int mod>
struct Mod_Int{
int x;
Mod_Int() : x(0) {}
Mod_Int(long long y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
Mod_Int &operator += (const Mod_Int &p){
if((x += p.x) >= mod) x -= mod;
return *this;
}
Mod_Int &operator -= (const Mod_Int &p){
if((x += mod - p.x) >= mod) x -= mod;
return *this;
}
Mod_Int &operator *= (const Mod_Int &p){
x = (int) (1LL * 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(long long k) const{
Mod_Int now = *this, ret = 1;
for(; k > 0; k >>= 1, now *= now){
if(k&1) ret *= now;
}
return ret;
}
friend ostream &operator << (ostream &os, const Mod_Int &p){
return os << p.x;
}
friend istream &operator >> (istream &is, Mod_Int &p){
long long a;
is >> a;
p = Mod_Int<mod>(a);
return is;
}
};
using mint = Mod_Int<MOD>;
int main(){
string S; cin >> S;
int N = sz(S);
S += '1';
vector<int> cnt, ids;
int ptr = 0;
while(ptr <= N){
int j = 0;
while(ptr+j <= N && S[ptr+j] == '0') j++;
ptr += j;
cnt.eb(j), ids.eb(ptr);
ptr++;
}
int K = sz(ids);
//rep(i, K) cout << cnt[i] << ' ' << ids[i] << '\n';
if(K == 1){
cout << N << '\n';
return 0;
}
vector<vector<int>> nxt(K-1);
vector<int> v;
rep3(i, K-1, 0){
nxt[i] = v;
reverse(all(nxt[i]));
while(!empty(v) && cnt[v.back()] <= cnt[i]) v.pop_back();
v.eb(i);
}
vector<mint> dp(K-1, 0);
dp[0] = cnt[0]+1;
rep(i, K-2){
int pre = -1;
each(e, nxt[i]){
dp[e] += dp[i]*(cnt[e]-pre);
pre = cnt[e];
}
}
//rep(i, K-1) cout << dp[i] << ' '; cout << '\n';
cout << accumulate(all(dp), mint(0))*(cnt[K-1]+1) << '\n';
}