結果

問題 No.2762 Counting and Deleting
ユーザー ecottea
提出日時 2024-05-18 17:10:46
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 7,755 bytes
コンパイル時間 4,341 ms
コンパイル使用メモリ 257,948 KB
最終ジャッジ日時 2025-02-21 15:46:06
ジャッジサーバーID
(参考情報)
judge3 / judge4
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 * 5 WA * 10
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

#ifndef HIDDEN_IN_VS //
//
#define _CRT_SECURE_NO_WARNINGS
//
#include <bits/stdc++.h>
using namespace std;
//
using ll = long long; using ull = unsigned long long; // -2^63 2^63 = 9 * 10^18int -2^31 2^31 = 2 * 10^9
using pii = pair<int, int>; using pll = pair<ll, ll>; using pil = pair<int, ll>; using pli = pair<ll, int>;
using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vvvvi = vector<vvvi>;
using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vvvvl = vector<vvvl>;
using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;
using vc = vector<char>; using vvc = vector<vc>; using vvvc = vector<vvc>;
using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>;
template <class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>;
using Graph = vvi;
//
const double PI = acos(-1);
int DX[4] = {1, 0, -1, 0}; // 4
int DY[4] = {0, 1, 0, -1};
int INF = 1001001001; ll INFL = 4004004003094073385LL; // (int)INFL = INF, (int)(-INFL) = -INF;
//
struct fast_io { fast_io() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(18); } } fastIOtmp;
//
#define all(a) (a).begin(), (a).end()
#define sz(x) ((int)(x).size())
#define lbpos(a, x) (int)distance((a).begin(), std::lower_bound(all(a), x))
#define ubpos(a, x) (int)distance((a).begin(), std::upper_bound(all(a), x))
#define Yes(b) {cout << ((b) ? "Yes\n" : "No\n");}
#define rep(i, n) for(int i = 0, i##_len = int(n); i < i##_len; ++i) // 0 n-1
#define repi(i, s, t) for(int i = int(s), i##_end = int(t); i <= i##_end; ++i) // s t
#define repir(i, s, t) for(int i = int(s), i##_end = int(t); i >= i##_end; --i) // s t
#define repe(v, a) for(const auto& v : (a)) // a
#define repea(v, a) for(auto& v : (a)) // a
#define repb(set, d) for(int set = 0, set##_ub = 1 << int(d); set < set##_ub; ++set) // d
#define repis(i, set) for(int i = lsb(set), bset##i = set; i >= 0; bset##i -= 1 << i, i = lsb(bset##i)) // set
#define repp(a) sort(all(a)); for(bool a##_perm = true; a##_perm; a##_perm = next_permutation(all(a))) // a
#define uniq(a) {sort(all(a)); (a).erase(unique(all(a)), (a).end());} //
#define EXIT(a) {cout << (a) << endl; exit(0);} //
#define inQ(x, y, u, l, d, r) ((u) <= (x) && (l) <= (y) && (x) < (d) && (y) < (r)) //
//
template <class T> inline ll powi(T n, int k) { ll v = 1; rep(i, k) v *= n; return v; }
template <class T> inline bool chmax(T& M, const T& x) { if (M < x) { M = x; return true; } return false; } // true
    
template <class T> inline bool chmin(T& m, const T& x) { if (m > x) { m = x; return true; } return false; } // true
    
template <class T> inline T getb(T set, int i) { return (set >> i) & T(1); }
template <class T> inline T smod(T n, T m) { n %= m; if (n < 0) n += m; return n; } // mod
//
template <class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; }
template <class T> inline istream& operator>>(istream& is, vector<T>& v) { repea(x, v) is >> x; return is; }
template <class T> inline vector<T>& operator--(vector<T>& v) { repea(x, v) --x; return v; }
template <class T> inline vector<T>& operator++(vector<T>& v) { repea(x, v) ++x; return v; }
#endif //
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#ifdef _MSC_VER
#include "localACL.hpp"
#endif
//using mint = modint1000000007;
using mint = modint998244353;
//using mint = modint; // mint::set_mod(m);
namespace atcoder {
inline istream& operator>>(istream& is, mint& x) { ll x_; is >> x_; x = x_; return is; }
inline ostream& operator<<(ostream& os, const mint& x) { os << x.val(); return os; }
}
using vm = vector<mint>; using vvm = vector<vm>; using vvvm = vector<vvm>; using vvvvm = vector<vvvm>; using pim = pair<int, mint>;
#endif
#ifdef _MSC_VER // Visual Studio
#include "local.hpp"
#else // gcc
inline int popcount(int n) { return __builtin_popcount(n); }
inline int popcount(ll n) { return __builtin_popcountll(n); }
inline int lsb(int n) { return n != 0 ? __builtin_ctz(n) : -1; }
inline int lsb(ll n) { return n != 0 ? __builtin_ctzll(n) : -1; }
template <size_t N> inline int lsb(const bitset<N>& b) { return b._Find_first(); }
inline int msb(int n) { return n != 0 ? (31 - __builtin_clz(n)) : -1; }
inline int msb(ll n) { return n != 0 ? (63 - __builtin_clzll(n)) : -1; }
#define dump(...)
#define dumpel(v)
#define dump_list(v)
#define dump_mat(v)
#define input_from_file(f)
#define output_to_file(f)
#define Assert(b) { if (!(b)) { vc MLE(1<<30); EXIT(MLE.back()); } } // RE MLE
#endif
//
/*
* S ∋ x = {a00, a01, c0, a10, a11, c1} :
* ci : i
* aij : j i
* x op y : x, y
*/
// verify : https://atcoder.jp/contests/abc246/tasks/abc246_h
struct S041 {
// [a00, a01, c0]
// [a10, a11, c1]
// [ 0, 0, 1]
mint a00, a01, c0, a10, a11, c1;
#ifdef _MSC_VER
friend ostream& operator<<(ostream& os, const S041& x) {
os << "(" << x.a00 << "," << x.a01 << "," << x.c0 << ";";
os << x.a10 << "," << x.a11 << "," << x.c1 << ")";
return os;
}
#endif
};
const S041 mat0{ 1, 1, 0, 0, 1, 0 }; // '0' "0"
const S041 mat1{ 1, 0, 0, 1, 1, 1 }; // '1'
const S041 matQ{ 1, 1, 1, 1, 1, 1 }; //
S041 op041(S041 x, S041 y) {
//
// i i
// i i
// i 1
// z = y x
S041 z;
z.a00 = y.a00 * x.a00 + y.a01 * x.a10;
z.a01 = y.a00 * x.a01 + y.a01 * x.a11;
z.c0 = y.c0 + y.a00 * x.c0 + y.a01 * x.c1;
z.a10 = y.a10 * x.a00 + y.a11 * x.a10;
z.a11 = y.a10 * x.a01 + y.a11 * x.a11;
z.c1 = y.c1 + y.a10 * x.c0 + y.a11 * x.c1;
return z;
}
S041 e041() { return S041{ 1, 0, 0, 0, 1, 0 }; } //
using F041 = bool; // '_'
S041 act041(F041 f, S041 x) {
return f ? e041() : x;
}
F041 comp041(F041 f, F041 g) {
return f && g;
}
F041 id041() { return false; }
#define SubseqCnt_monoid S041, op041, e041, F041, act041, comp041, id041
int main() {
// input_from_file("input.txt");
// output_to_file("output.txt");
int n, q; string s;
cin >> n >> q >> s;
vector<S041> ini(n);
rep(i, n) {
if (s[i] == '0') ini[i] = mat0;
else if (s[i] == '1') ini[i] = mat1;
}
lazy_segtree<SubseqCnt_monoid> seg(ini);
dump(seg);
rep(hoge, q) {
int tp, l, r;
cin >> tp >> l >> r;
l--;
if (tp == 1) {
seg.apply(l, r, 1);
}
else {
auto res = seg.prod(l, r);
cout << res.c0 + res.c1 << "\n";
}
}
}
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