結果
問題 | No.2219 Re:010 |
ユーザー | 👑 AngrySadEight |
提出日時 | 2023-02-17 22:34:59 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 15 ms / 2,000 ms |
コード長 | 4,002 bytes |
コンパイル時間 | 6,283 ms |
コンパイル使用メモリ | 301,228 KB |
実行使用メモリ | 8,320 KB |
最終ジャッジ日時 | 2024-07-19 13:46:19 |
合計ジャッジ時間 | 7,269 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 14 ms
7,552 KB |
testcase_04 | AC | 4 ms
5,376 KB |
testcase_05 | AC | 10 ms
6,784 KB |
testcase_06 | AC | 5 ms
5,376 KB |
testcase_07 | AC | 8 ms
5,504 KB |
testcase_08 | AC | 13 ms
7,424 KB |
testcase_09 | AC | 12 ms
7,296 KB |
testcase_10 | AC | 10 ms
6,400 KB |
testcase_11 | AC | 8 ms
5,760 KB |
testcase_12 | AC | 8 ms
5,760 KB |
testcase_13 | AC | 15 ms
8,320 KB |
testcase_14 | AC | 14 ms
8,320 KB |
testcase_15 | AC | 14 ms
8,320 KB |
testcase_16 | AC | 15 ms
8,320 KB |
testcase_17 | AC | 15 ms
8,192 KB |
testcase_18 | AC | 11 ms
8,192 KB |
testcase_19 | AC | 13 ms
8,320 KB |
testcase_20 | AC | 13 ms
8,320 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> #include <atcoder/all> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int,int> #define pil pair<int,ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int,int>> #define vpll vector<pair<ll,ll>> #define vvpii vector<vector<pair<int,int>>> #define vvpll vector<vector<pair<ll,ll>>> template<typename T> void debug(T e){ cerr << e << endl; } template<typename T> void debug(vector<T> &v){ rep(i, v.size()){ cerr << v[i] << " "; } cerr << endl; } template<typename T> void debug(vector<vector<T>> &v){ rep(i, v.size()){ rep(j, v[i].size()){ cerr << v[i][j] << " "; } cerr << endl; } } template<typename T> void debug(vector<pair<T, T>> &v){ rep(i,v.size()){ cerr << v[i].first << " " << v[i].second << endl; } } template<typename T> void debug(set<T> &st){ for (auto itr = st.begin(); itr != st.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(multiset<T> &ms){ for (auto itr = ms.begin(); itr != ms.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template<typename T> void debug(map<T, T> &mp){ for (auto itr = mp.begin(); itr != mp.end(); itr++){ cerr << itr->first << " " << itr->second << endl; } } void debug_out(){ cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T){ cerr << H << " "; debug_out(T...); } int main(){ string S; cin >> S; ll N = S.size(); vl pow_2(N + 1, 0); pow_2[0] = 1; for (ll i = 0; i < N; i++){ pow_2[i + 1] = (pow_2[i] * 2LL) % mod2; } ll rem = 0; rep(i,N){ if (S[i] == '?') rem++; } ll left_hatena = 0; ll right_hatena = rem; vl left_0(N, 0); vl right_0(N, 0); if (S[0] == '0') left_0[0] = 1; if (S[N - 1] == '0') right_0[0] = 1; for (ll i = 1; i < N; i++){ if (S[i] == '0') left_0[i] = left_0[i - 1] + 1; else left_0[i] = left_0[i - 1]; } for (ll i = N - 1; i >= 0; i--){ if (S[i] == '0') right_0[i] = right_0[i + 1] + 1; else right_0[i] = right_0[i + 1]; } ll ans = 0; for (ll i = 0; i < N; i++){ if (S[i] == '?') right_hatena--; if (S[i] == '1' || S[i] == '?'){ //固定の0のみ使う場合 ll count1 = (left_0[i] * right_0[i]) % mod2; count1 = (count1 * pow_2[left_hatena + right_hatena]) % mod2; ans = (ans + count1) % mod2; //片方ははてなを使う場合 ll count2 = (left_0[i] * right_hatena + right_0[i] * left_hatena) % mod2; if (count2 > 0){ count2 = (count2 * pow_2[left_hatena + right_hatena - 1]) % mod2; } ans = (ans + count2) % mod2; //両方はてなを使う場合 ll count3 = (left_hatena * right_hatena) % mod2; if (count3 > 0){ count3 = (count3 * pow_2[left_hatena + right_hatena - 2]) % mod2; } ans = (ans + count3) % mod2; } if (S[i] == '?') left_hatena++; //debug_out(left_hatena, right_hatena); } cout << ans << endl; }