結果
問題 | No.315 世界のなんとか3.5 |
ユーザー |
|
提出日時 | 2015-12-08 00:39:01 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 477 ms / 2,000 ms |
コード長 | 2,236 bytes |
コンパイル時間 | 2,455 ms |
コンパイル使用メモリ | 163,352 KB |
実行使用メモリ | 23,528 KB |
最終ジャッジ日時 | 2024-09-14 18:46:50 |
合計ジャッジ時間 | 8,680 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
other | AC * 36 |
ソースコード
#include <bits/stdc++.h>#define GET_MACRO(a, b, c, NAME, ...) NAME#define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__)#define rep2(i, a) rep3 (i, 0, a)#define rep3(i, a, b) for (int i = (a); i < (b); i++)#define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__)#define repr2(i, a) repr3 (i, 0, a)#define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--)template<class T1, class T2> inline bool chmin(T1 &a, T2 b) { return b < a && (a = b, true); }template<class T1, class T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }using namespace std;typedef long long ll;const ll mod = 1e9 + 7;ll dp[202020][2][3][2]; // pos, less, mod 3, threell dp2[8][2][3][2][800]; // pos, less, mod 3, three, mod Ptemplate<class T>T parse(string s) {istringstream iss(s);T res;iss >> res;return res;}ll f(string N, int P) {if (N.length() < 7) {int n = parse<int>(N);int res = 0;rep (i, n + 1) {bool three = i % 3 == 0;bool eight = i % P == 0;int t = i;while (t > 0) {if (t % 10 == 3) three = true;t /= 10;}if (three && !eight) res++;}return res;}memset(dp, 0, sizeof(dp));memset(dp2, 0, sizeof(dp2));int s = N.length();dp[0][0][0][0] = 1;rep (i, s - 7) rep (j, 2) rep (k, 3) rep (l, 2) {int ub = 9;if (!j) ub = N[i] - '0';rep (m, ub + 1) {(dp[i + 1][j || m < ub][(k + m) % 3][l || m == 3] += dp[i][j][k][l]) %= mod;}}s -= 7;rep (j, 2) rep (k, 3) rep (l, 2) {dp2[0][j][k][l][0] = dp[s][j][k][l];}rep (i, 7) rep (j, 2) rep (k, 3) rep (l, 2) rep (m, P) {int ub = 9;if (!j) ub = N[s + i] - '0';rep (x, ub + 1) {(dp2[i + 1][j || x < ub][(k + x) % 3][l || x == 3][(m * 10 + x) % P] += dp2[i][j][k][l][m]) %= mod;}}ll res = 0;rep (j, 2) rep (k, 3) rep (l, 2) rep (m, P) {if ((k == 0 || l) && m != 0) {(res += dp2[7][j][k][l][m]) %= mod;}}return res;}int main() {string A, B;int P;cin >> A >> B >> P;int borrow = 1;repr (i, A.length()) {int d = A[i] - '0';d -= borrow;if (d >= 0) borrow = 0;else d += 10;A[i] = d + '0';}ll ans = f(B, P);ans -= f(A, P);ans %= mod; ans += mod; ans %= mod;cout << ans << endl;return 0;}