結果
問題 | No.2762 Counting and Deleting |
ユーザー | pitP |
提出日時 | 2024-05-18 14:13:15 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 964 ms / 4,000 ms |
コード長 | 2,866 bytes |
コンパイル時間 | 6,238 ms |
コンパイル使用メモリ | 331,932 KB |
実行使用メモリ | 43,524 KB |
最終ジャッジ日時 | 2024-12-20 16:23:00 |
合計ジャッジ時間 | 16,101 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 1 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 835 ms
43,384 KB |
testcase_08 | AC | 876 ms
43,392 KB |
testcase_09 | AC | 848 ms
43,392 KB |
testcase_10 | AC | 833 ms
43,392 KB |
testcase_11 | AC | 948 ms
43,392 KB |
testcase_12 | AC | 935 ms
43,392 KB |
testcase_13 | AC | 964 ms
43,388 KB |
testcase_14 | AC | 926 ms
43,524 KB |
testcase_15 | AC | 704 ms
43,396 KB |
testcase_16 | AC | 702 ms
43,392 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; istream &operator>>(istream &is, modint &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint &a) { return os << a.val(); } istream &operator>>(istream &is, modint998244353 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint998244353 &a) { return os << a.val(); } istream &operator>>(istream &is, modint1000000007 &a) { long long v; is >> v; a = v; return is; } ostream &operator<<(ostream &os, const modint1000000007 &a) { return os << a.val(); } typedef long long ll; typedef vector<vector<int>> Graph; typedef pair<int, int> pii; typedef pair<ll, ll> pll; #define FOR(i,l,r) for (int i = l;i < (int)(r); i++) #define rep(i,n) for (int i = 0;i < (int)(n); i++) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define my_sort(x) sort(x.begin(), x.end()) #define my_max(x) *max_element(all(x)) #define my_min(x) *min_element(all(x)) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } const int INF = (1<<30) - 1; const ll LINF = (1LL<<62) - 1; const int MOD = 998244353; const int MOD2 = 1e9+7; const double PI = acos(-1); vector<int> di = {1,0,-1,0}; vector<int> dj = {0,1,0,-1}; #ifdef LOCAL # include <debug_print.hpp> # define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define debug(...) (static_cast<void>(0)) #endif const int D = 3; using mint = modint998244353; using S = vector<vector<mint>>; S op(S a, S b){ vector res(D, vector<mint>(D)); rep(i, D)rep(j, D)rep(k, D) res[i][j] += a[i][k] * b[k][j]; return res; } S e(){ vector res(D, vector<mint>(D)); rep(i, D) res[i][i] = 1; return res; } int main(){ cin.tie(0); ios_base::sync_with_stdio(false); int N, Q; cin >> N >> Q; string T; cin >> T; S zero = { {1, 0, 0}, {1, 1, 1}, {0, 0, 1}, }; S one = { {1, 0, 0}, {0, 1, 0}, {1, 1, 1}, }; S eye = { {1, 0, 0}, {0, 1, 0}, {0, 0, 1}, }; vector dat(N, vector(D, vector<mint>(D))); rep(i, N){ if(T[i] == '0') dat[i] = zero; if(T[i] == '1') dat[i] = one; } segtree<S,op,e> seg(dat); set<int> rest; rep(i, N) rest.insert(i); while(Q--){ int f, l, r; cin >> f >> l >> r; l--; if(f == 1){ auto itr = rest.lower_bound(l); while(itr != rest.end() && *itr < r){ seg.set(*itr, eye); itr = rest.erase(itr); } } else{ S res = seg.prod(l, r); cout << res[2][0] << endl; } } }