結果
| 問題 | No.3439 [Cherry 8th Tune] どの頂点にいた頃に戻りたいのか? |
| コンテスト | |
| ユーザー |
👑 potato167
|
| 提出日時 | 2026-01-23 22:36:53 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 5,574 bytes |
| 記録 | |
| コンパイル時間 | 4,771 ms |
| コンパイル使用メモリ | 279,832 KB |
| 実行使用メモリ | 25,368 KB |
| 最終ジャッジ日時 | 2026-01-23 22:37:12 |
| 合計ジャッジ時間 | 18,651 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | WA * 15 RE * 22 |
ソースコード
#line 1 "b.cpp"
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
const ll ILL=2167167167167167167;
const int INF=2100000000;
#define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++)
#define all(p) p.begin(),p.end()
template<class T> using pq_ = priority_queue<T, vector<T>, greater<T>>;
template<class T> int LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> int UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> bool chmin(T &a,T b){if(b<a){a=b;return 1;}else return 0;}
template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;}
template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());}
template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});}
bool yneos(bool a,bool upp=false){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;}
template<class T> void vec_out(vector<T> &p,int ty=0){
if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";}
else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}}
template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;}
template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;}
template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;}
int pop_count(long long a){int res=0;while(a){res+=(int)(a&1),a>>=1;}return res;}
template<class T> T square(T a){return a * a;}
#include <atcoder/lazysegtree>
struct lazy_S {
int a = 0;
int b = 0;
};
using lazy_F = int;
lazy_S lazy_op(lazy_S l, lazy_S r) {
return {l.a + r.a, l.b + r.b};
}
lazy_S lazy_e() { return lazy_S{}; }
lazy_S mapping(lazy_F l, lazy_S r) {
if (l) swap(r.a, r.b);
return r;
}
//l(r(x))
lazy_F composition(lazy_F l, lazy_F r) {
return l ^ r;
}
lazy_F lazy_id(){return 0;}
bool f(lazy_S a) {
return a.b == 0;
}
#define lazy_calc lazy_S,lazy_op,lazy_e,lazy_F,mapping,composition,lazy_id
lazy_S lazy_op2(lazy_S l, lazy_S r) {
return {l.a + r.a, l.b + r.b};
}
lazy_S lazy_e2() { return lazy_S{}; }
lazy_S mapping2(lazy_F l, lazy_S r) {
r.a += r.b * l;
return r;
}
//l(r(x))
lazy_F composition2(lazy_F l, lazy_F r) {
return l + r;
}
lazy_F lazy_id2(){return 0;}
#line 3 "/Users/Shared/po167_library/fps/FPS_Product_Sequence.hpp"
#include <atcoder/convolution>
namespace po167{
template<class T>
std::vector<T> FPS_Product_Sequence(std::vector<std::vector<T>> f){
if (f.empty()) return {1};
auto op = [&](auto self,int l, int r) -> std::vector<T> {
if (l + 1 == r) return f[l];
int m = (l + r) / 2;
return atcoder::convolution(self(self, l, m), self(self, m, r));
};
return op(op, 0, f.size());
}
}
#line 79 "b.cpp"
using mint = atcoder::modint998244353;
void solve();
// DEAR MYSTERIES / TOMOO
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
rep(i, 0, t) solve();
}
void solve(){
int N, Q;
cin >> N >> Q;
vector<lazy_S> base_seg(N);
{
string S;
cin >> S;
rep(i, 0, N){
if (S[i] == 'G'){
base_seg[i].a = 1;
}
else{
base_seg[i].b = 1;
}
}
}
atcoder::lazy_segtree<lazy_calc> seg(base_seg);
atcoder::lazy_segtree<lazy_S,lazy_op2,lazy_e2,lazy_F,mapping2,composition2,lazy_id2> segW(N + 1);
rep(i, 0, N + 1){
int w;
cin >> w;
segW.set(i, {w, 1});
}
while (Q--){
int t;
cin >> t;
if (t == 1){
int l, r;
cin >> l >> r;
seg.apply(l - 1, r , 1);
}
if (t == 2){
int l, r, a;
cin >> l >> r >> a;
segW.apply(l, r + 1, a);
}
if (t == 3){
int u, K;
cin >> u >> K;
vector<int> v(K);
rep(i, 0, K) cin >> v[i];
// mv に移動した直後に、移動がある
int mv = seg.max_right<f>(u) + 1;
vector<vector<mint>> pro;
int ind = 0;
while (ind != K && v[ind] <= mv){
if (u <= v[ind]) pro.push_back({0, 1});
ind++;
}
// cout << mv << " " << ind << endl;
mint ng = segW.prod(0, mv + 1).a;
mint ok = segW.prod(u, mv + 1).a;
// cerr << ng.val() << " " << ok.val() << "\n";
{
ng -= ok;
mint sum = (ng + ok).inv();
ng *= sum;
ok *= sum;
}
// B の index の集合を -2, b1, ... bk, N
// [b[i] + 2, b[i + 1] + 2) が同じグループ
// v[i], v[i + 1] が同じ
// -> S[v[i] - 1, ... , v[i + 1] - 1) が全て G
for (int l = ind, r = ind; r < K; l = r){
while (r != K && seg.prod(v[l] - 1, v[r] - 1).b == 0){
r++;
}
vector<mint> tmp(r - l + 1);
tmp[0] = ng;
tmp[r - l] = ok;
pro.push_back(tmp);
}
vector<mint> ans;
if (!pro.empty()) ans = po167::FPS_Product_Sequence(pro);
ans.resize(K + 1);
rep(i, 0, K + 1) cout << ans[i].val() << (i == K ? "\n" : " ");
}
}
}
potato167