結果
問題 | No.372 It's automatic |
ユーザー | kei |
提出日時 | 2018-11-24 00:36:18 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2,970 ms / 6,000 ms |
コード長 | 2,032 bytes |
コンパイル時間 | 1,943 ms |
コンパイル使用メモリ | 167,064 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-12-24 18:58:35 |
合計ジャッジ時間 | 35,053 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 23 |
ソースコード
#include "bits/stdc++.h" using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int INF = 1e9; const ll LINF = 1e18; inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; } inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; } template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; } template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; } template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; } template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; } /* <url:https://yukicoder.me/problems/no/372> 問題文============================================================ ================================================================= 解説============================================================= ================================================================ */ const ll MOD = 1e9+7; ll dp[2][20001]; ll solve(){ ll res = 0; string S; cin >> S; ll M; cin >> M; int cur = 0,next = 1; dp[cur][0] = 0; for(int i = 0; i < S.length();i++){ int c = S[i] - '0'; for(int j = 0; j < M;j++){ (dp[next][(j*10+c)%M] += dp[cur][j])%=MOD; (dp[next][j] += dp[cur][j])%=MOD; dp[cur][j] = 0; } if(c == 0) (res+=1)%=MOD; else (dp[next][c%M]+=1)%=MOD; swap(cur,next); } (res += dp[cur][0])%=MOD; return res; } int main(void) { cin.tie(0); ios_base::sync_with_stdio(false); cout << solve() << endl; return 0; }