結果
問題 | No.528 10^9と10^9+7と回文 |
ユーザー | anta |
提出日時 | 2017-06-09 22:38:38 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 81 ms / 1,000 ms |
コード長 | 3,180 bytes |
コンパイル時間 | 1,963 ms |
コンパイル使用メモリ | 174,112 KB |
実行使用メモリ | 8,680 KB |
最終ジャッジ日時 | 2024-07-23 18:28:13 |
合計ジャッジ時間 | 3,761 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 80 ms
8,572 KB |
testcase_11 | AC | 80 ms
8,512 KB |
testcase_12 | AC | 80 ms
8,512 KB |
testcase_13 | AC | 80 ms
8,680 KB |
testcase_14 | AC | 47 ms
6,940 KB |
testcase_15 | AC | 42 ms
6,940 KB |
testcase_16 | AC | 38 ms
6,944 KB |
testcase_17 | AC | 31 ms
6,944 KB |
testcase_18 | AC | 76 ms
8,476 KB |
testcase_19 | AC | 22 ms
6,940 KB |
testcase_20 | AC | 54 ms
7,168 KB |
testcase_21 | AC | 32 ms
6,940 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 3 ms
6,940 KB |
testcase_25 | AC | 9 ms
6,940 KB |
testcase_26 | AC | 81 ms
8,636 KB |
testcase_27 | AC | 60 ms
8,512 KB |
ソースコード
#include "bits/stdc++.h" using namespace std; #define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i)) #define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i)) #define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i)) static const int INF = 0x3f3f3f3f; static const long long INFL = 0x3f3f3f3f3f3f3f3fLL; typedef vector<int> vi; typedef pair<int, int> pii; typedef vector<pair<int, int> > vpii; typedef long long ll; template<typename T, typename U> static void amin(T &x, U y) { if (y < x) x = y; } template<typename T, typename U> static void amax(T &x, U y) { if (x < y) x = y; } struct GModInt { static int Mod; unsigned x; GModInt() : x(0) { } GModInt(signed sig) { int sigt = sig % Mod; if (sigt < 0) sigt += Mod; x = sigt; } GModInt(signed long long sig) { int sigt = sig % Mod; if (sigt < 0) sigt += Mod; x = sigt; } int get() const { return (int)x; } GModInt &operator+=(GModInt that) { if ((x += that.x) >= (unsigned)Mod) x -= Mod; return *this; } GModInt &operator-=(GModInt that) { if ((x += Mod - that.x) >= (unsigned)Mod) x -= Mod; return *this; } GModInt &operator*=(GModInt that) { x = (unsigned long long)x * that.x % Mod; return *this; } GModInt &operator/=(GModInt that) { return *this *= that.inverse(); } GModInt operator+(GModInt that) const { return GModInt(*this) += that; } GModInt operator-(GModInt that) const { return GModInt(*this) -= that; } GModInt operator*(GModInt that) const { return GModInt(*this) *= that; } GModInt operator/(GModInt that) const { return GModInt(*this) /= that; } //Modと素であることが保証されるかどうか確認すること! GModInt inverse() const { signed a = x, b = Mod, u = 1, v = 0; while (b) { signed t = a / b; a -= t * b; std::swap(a, b); u -= t * v; std::swap(u, v); } if (u < 0) u += Mod; GModInt res; res.x = (unsigned)u; return res; } bool operator==(GModInt that) const { return x == that.x; } bool operator!=(GModInt that) const { return x != that.x; } GModInt operator-() const { GModInt t; t.x = x == 0 ? 0 : Mod - x; return t; } }; int GModInt::Mod = 0; typedef GModInt mint; mint operator^(mint a, unsigned long long k) { mint r = 1; while (k) { if (k & 1) r *= a; a *= a; k >>= 1; } return r; } mint solve(const string &S) { int len = (int)S.size(); mint res; rer(i, 1, len - 1) res += (mint(10) ^ ((i - 1) / 2)) * 9; mint undef; undef.x = -1; vector<mint> memo((len + 1) * 4, undef); auto rec = [&](auto rec, int i, bool ltL, bool leR) -> mint { mint &r = memo[(i + 1) * 4 + ltL * 2 + leR]; if (r.x != ~0U) return r; int j = len - 1 - i; if (i < j) return r = ltL || leR ? 1 : 0; r = mint(); int dL = S[j] - '0', dR = S[i] - '0'; rep(d, 10) { if (i == len - 1 && d == 0) continue; if (!ltL && dL < d) continue; r += rec(rec, i - 1, ltL || d < dL, dR < d ? false : d < dR ? true : leR); } return r; }; res += rec(rec, len - 1, false, true); return res; } int main() { char S[100002]; while (~scanf("%s", S)) { mint::Mod = (int)1e9; int ans1 = solve(S).get(); mint::Mod = (int)1e9 + 7; int ans2 = solve(S).get(); printf("%d\n", ans1); printf("%d\n", ans2); } return 0; }