結果
問題 | No.44 DPなすごろく |
ユーザー | kuroku_969 |
提出日時 | 2020-01-22 22:50:05 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 5,000 ms |
コード長 | 6,535 bytes |
コンパイル時間 | 1,216 ms |
コンパイル使用メモリ | 125,200 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-07-16 03:59:16 |
合計ジャッジ時間 | 2,154 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 1 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,940 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,940 KB |
ソースコード
#include<iostream> #include<fstream> #include<bitset> #include<string> #include<vector> #include<algorithm> #include<cmath> #include<map> #include<set> #include<iomanip> #include<queue> #include<stack> #include<numeric> #include<utility> #include<regex> #include<climits> void Init() { std::cin.tie(0); std::ios::sync_with_stdio(false); struct Init_caller { Init_caller() { Init(); } }caller; } #define int LL #define rep(i,n) for(LL (i)=0;(i)<(n);(i)++) #define all(a) (a).begin(),(a).end() #define check() cout<<"! ! !" #define endl "\n" #define _y() cout<<"Yes"<<endl #define _Y() cout<<"YES"<<endl #define _n() cout<<"No"<<endl #define _N() cout<<"NO"<<endl #define INT_INF INT_MAX #define INF LLONG_MAX #define MOD (1000000000+7) using namespace std; using LL = long long; using st = string; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vd = vector<double>; using vvd = vector<vd>; using vvvd = vector<vvd>; using vc = vector<char>; using vvc = vector<vc>; using vs = vector<st>; using vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>; using qi = queue<int>; using qc = queue<char>; using qs = queue<st>; using si = stack<int>; using sc = stack<char>; using ss = stack<st>; using pi = pair<int, int>; using ppi = pair<pi, int>; using mii = map<int, int>; using mpii = map<pi, int>; using mib = map<int, bool>; using mci = map<char, int>; using msb = map<st, bool>; using vpi = vector<pi>; using vppi = vector<ppi>; using spi = stack<pi>; using qpi = queue<pi>; //4,2,8,6,1,7,3,9,5 int dx[] = { -1,0,0,1,-1,-1,1,1,0 }; int dy[] = { 0,1,-1,0,1,-1,1,-1,0 }; template<typename T> istream &operator>>(istream &in, vector<T> &v) { rep(i, v.size()) { in >> v[i]; } return in; } template<typename T,typename U> istream &operator>>(istream&in, vector<pair<T, U>> &p) { rep(i, p.size()) { in >> p[i].first >> p[i].second; } return in; } template<typename T> ostream &operator<<(ostream &out, vector<T> &v) { out << "{"; rep(i, v.size()) { out << v[i] << ","; } out << "}" << endl; return out; } template<typename T, typename U> ostream &operator<<(ostream&out, vector<pair<T, U>> &p) { rep(i, p.size()) { out << "{" << p[i].first << "," << p[i].second << "}" << endl; } return out; } void y_n(bool p) { p ? _y() : _n(); } void Y_N(bool p) { p ? _Y() : _N(); } template<typename T> pair<T,int> vmax(vector<T> v) { int n = v.size(); int MAX = 0; int pos = 0; rep(i, n) { if (MAX < v[i])pos = i; MAX = max(MAX, v[i]); } return { MAX,pos }; } template<typename T> pair<T, int> vmin(vector<T> v) { int n = v.size(); int MIN = INF; int pos = 0; rep(i, n) { if (MIN > v[i])pos = i; MIN = min(MIN, v[i]); } return { MIN,pos }; } template<typename T> T vsum(vector<T> v) { int n = v.size(); T sum = 0; rep(i, n) { sum += v[i]; } return sum; } int gcd(int a, int b) { if (b == 0) { swap(a, b); } int r; while ((r = a % b) != 0) { a = b; b = r; } return b; } int lcm(int a, int b) { return (a / gcd(a, b) * b); } bool is_square(int n) { if ((int)sqrt(n)*(int)sqrt(n) == n) { return true; } else { return false; } } bool is_prime(int n) { if (n <= 1) { return true; } else { for (int i = 2; i*i <= n; i++) { if (n % i == 0) { return false; } } } return true; } void dec_num(int n, vi &v) { int a = 2; v.push_back(1); v.push_back(n); while (a*a <= n) { if (n%a == 0) { v.push_back(a); v.push_back(n / a); } a++; } sort(all(v)); } void dec_prime(int n, vi &v) { //v.push_back(1); int a = 2; while (a*a <= n) { if (n % a == 0) { v.push_back(a); n /= a; } else { a++; } } v.push_back(n); } //nの素因数分解の指数表示 void dec_prime_e(int n, map<int, int> &m) { for (int i = 2; i*i <= n; i++) { if (n%i == 0) { int e = 0; while (n%i == 0) { e++; n /= i; } m[i] += e; } } if (n != 1)m[n]++; } //指数部のみの列挙 /*for (auto j : m) { p.push_back(j.second); } */ int sieve_prime(int a, int b) { if (a > b)swap(a, b); vb s(b + 1, true); int cnt_a = 0, cnt_b = 0; for (int i = 2; i <= b; i++) { for (int j = 2; i*j <= b; j++) { s[i*j] = false; } } for (int i = 2; i <= b; i++) { if (s[i]) { //cout << i << " "; if (i < a) { cnt_a++; } cnt_b++; } } return cnt_b - cnt_a; } int factorial(int n) { int a = 1, ret = 1; while (a < n) { a++; ret *= a; //ret %= MOD; } return ret; } int bit_count(int n) { int k = log2(n) + 1; int ret = 0; rep(i, k) { if (n&(1 << i))ret++; } return ret; } const int COMBMAX = 4000; int comb[COMBMAX + 5][COMBMAX + 5]; void init_comb() { comb[0][0] = 1; rep(i, COMBMAX) { rep(j, i + 1) { comb[i + 1][j] += comb[i][j]; comb[i + 1][j] %= MOD; comb[i + 1][j + 1] += comb[i][j]; comb[i + 1][j + 1] %= MOD; } } } int combination(int n, int k) { if (k<0 || k>n)return 0; else return comb[n][k]; } const int COMBMODMAX = 5000000; int fac[COMBMODMAX + 5], facinv[COMBMODMAX + 5], inv[COMBMODMAX + 5]; void init_comb_mod() { fac[0] = fac[1] = 1; facinv[0] = facinv[1] = 1; inv[1] = 1; for (int i = 2; i < COMBMODMAX; i++) { fac[i] = fac[i - 1] * i%MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; facinv[i] = facinv[i - 1] * inv[i] % MOD; } } //nCk (mod p) int comb_mod(int n, int k) { if (n < k)return 0; if (n < 0 || k < 0)return 0; return fac[n] * (facinv[k] * facinv[n - k] % MOD) % MOD; } //x^n (mod p) int pow_mod(int x, int n, int p) { if (n == 0)return 1; int res = pow_mod(x*x%p, n / 2, p); if (n % 2 == 1)res = res * x % p; return res; } class UF { public: vi par; vi rank; UF(int n) { par.resize(n, -1); rank.resize(n, 0); } int root(int x) { if (par[x] == -1)return x; return par[x] = root(par[x]); } //xの集合の位数 int order(int x) { return -par[root(x)]; } //xとyを併合 void unite(int x, int y) { x = root(x); y = root(y); if (x == y) { return; } if (rank[x] < rank[y]) { par[x] = y; } else { par[y] = x; if (rank[x] == rank[y])rank[x]++; } } //xとyが同じ集合にあるか bool is_same(int x, int y) { return root(x) == root(y); } }; struct edge { int to; int cost; }; using ve = vector<edge>; using vve = vector<ve>; /*****************************************************************************/ signed main() { int n; cin >> n; vi dp(n + 1, 0); dp[0] = 1; rep(i, n) { dp[i + 1] += dp[i]; if(i+2<=n)dp[i + 2] += dp[i]; } cout << dp[n]; }