結果
問題 | No.314 ケンケンパ |
ユーザー |
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提出日時 | 2018-01-12 12:00:06 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 37 ms / 1,000 ms |
コード長 | 2,385 bytes |
コンパイル時間 | 891 ms |
コンパイル使用メモリ | 101,300 KB |
実行使用メモリ | 26,752 KB |
最終ジャッジ日時 | 2024-12-24 00:14:01 |
合計ジャッジ時間 | 1,618 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 17 |
ソースコード
#include <iostream>#include <cstdio>#include <cstring>#include <string>#include <stack>#include <queue>#include <functional>#include <algorithm>#include <map>#include <unordered_map>#include <set>#include <unordered_set>#include <vector>#include <array>#include <tuple>#include <utility>#include <numeric>#include <iomanip>#include <cctype>#include <cmath>#include <assert.h>#include <cstdlib>#include <list>using namespace std;#define repeat(i, x) for (long long i = 0; (i) < (long long)(x); (i)++)#define rrepeat(i, x) for (long long i = (long long)((x) - 1); (i) >= 0; (i)--)#define traverse(it, ctn) for (auto it = (ctn).begin(); (it) != (ctn).end(); (it)++)#define rtraverse(it, ctn) for (auto it = (ctn).rbegin(); (it) != (ctn).rend(); (it)++)#define enumerate(i, a, b) for (long long i = (long long)(a); (i) < (long long)(b); (i)++)template<typename T> void chmax(T& a1, T a2) { a1 = std::max(a1, a2); }template<typename T> void chmin(T& a1, T a2) { a1 = std::min(a1, a2); }template<typename T1, typename T2> ostream& operator<<(ostream& os, const pair<T1, T2>& p) { return os << "(" << p.first << ", " << p.second << ")"; }template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) { os << "["; for (int i = 0; i < v.size(); i++) os << (i == 0 ? "" : ", ")<< v[i]; os << "]"; return os; }template<typename T1, typename T2> ostream& operator << (ostream& os, map<T1, T2>& mp) { os << "{"; for (auto it = mp.begin(); it != mp.end(); it++) {os << "(" << it->first << ": " << it->second << ")"; it++; if(it != mp.end()) os << ", "; it--; } os << "}"; return os; }template<typename T> ostream& operator << (ostream& os, set<T>& st) { os << "{"; for (auto it = st.begin(); it != st.end(); it++) { os << *it; ++it;if(it != st.end()) os << ", "; it--; } os << "}"; return os; }using int64 = long long;using Graph = std::vector<std::vector<int>>;const int64 MOD = 1e9 + 7;int main() {cin.tie(0);ios::sync_with_stdio(false);int N;cin >> N;static int64 dp[1000006][3];dp[0][0] = 1;for (int i = 0; i < N; i++) {for (int j = 0; j < 3; j++) {if (j + 1 < 3) (dp[i + 1][j + 1] += dp[i][j]) %= MOD;if (j > 0) (dp[i + 1][0] += dp[i][j]) %= MOD;}}int64 ans = (dp[N][0] + dp[N][1] + dp[N][2]) % MOD;cout << ans << endl;return 0;}