結果
問題 | No.44 DPなすごろく |
ユーザー | Novi |
提出日時 | 2020-09-20 01:33:45 |
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 | 3,516 bytes |
コンパイル時間 | 1,651 ms |
コンパイル使用メモリ | 171,700 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-06-23 23:59:19 |
合計ジャッジ時間 | 2,409 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 1 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 2 ms
5,376 KB |
testcase_23 | AC | 2 ms
5,376 KB |
コンパイルメッセージ
main.cpp: In function 'll combination(ll, ll)': main.cpp:181:44: warning: control reaches end of non-void function [-Wreturn-type] 181 | combination(a - 1, b - 1) + combination(a - 1, b); | ~~~~~~~~~~~^~~~~~~~~~
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; #define int ll #define rng(i, a, b) for (int i = int(a); i < int(b); i++) #define rep(i, b) rng(i, 0, b) #define gnr(i, a, b) for (int i = int(b) - 1; i >= int(a); i--) #define per(i, b) gnr(i, 0, b) #define pb push_back #define eb emplace_back #define a first #define b second #define bg begin() #define ed end() #define all(x) x.bg, x.ed #define si(x) int(x.size()) #ifdef LOCAL #else #define dmp(x) void(0) #endif template <class t, class u> void chmax(t &a, u b) { if (a < b) a = b; } template <class t, class u> void chmin(t &a, u b) { if (b < a) a = b; } template <class t> using vc = vector<t>; template <class t> using vvc = vc<vc<t>>; using pi = pair<int, int>; using vi = vc<int>; #define mp make_pair #define mt make_tuple #define one(x) memset(x, -1, sizeof(x)) #define zero(x) memset(x, 0, sizeof(x)) #ifdef LOCAL void dmpr(ostream &os) { os << endl; } template <class T, class... Args> void dmpr(ostream &os, const T &t, const Args &... args) { os << t << ; dmpr(os, args...); } #define dmp2(...) dmpr(cerr, __LINE__, ##__VA_ARGS__) #else #define dmp2(...) void(0) #endif using uint = unsigned; using ull = unsigned long long; template <class t, size_t n> ostream &operator<<(ostream &os, const array<t, n> &a) { return os << vc<t>(all(a)); } ll read() { ll i; cin >> i; return i; } vi readvi(int n, int off = 0) { vi v(n); rep(i, n) v[i] = read() + off; return v; } pi readpi(int off = 0) { int a, b; cin >> a >> b; return pi(a + off, b + off); } template <class T> void print(const vector<T> &v, int suc = 1) { rep(i, v.size()) print(v[i], i == int(v.size()) - 1 ? suc : 2); } string readString() { string s; cin >> s; return s; } template <class T> T sq(const T &t) { return t * t; } constexpr ll ten(int n) { return n == 0 ? 1 : ten(n - 1) * 10; } const ll infLL = LLONG_MAX / 3; #ifdef int const int inf = infLL; #else const int inf = INT_MAX / 2 - 100; #endif int topbit(signed t) { return t == 0 ? -1 : 31 - __builtin_clz(t); } int topbit(ll t) { return t == 0 ? -1 : 63 - __builtin_clzll(t); } int botbit(signed a) { return a == 0 ? 32 : __builtin_ctz(a); } int botbit(ll a) { return a == 0 ? 64 : __builtin_ctzll(a); } int popcount(signed t) { return __builtin_popcount(t); } int popcount(ll t) { return __builtin_popcountll(t); } bool ispow2(int i) { return i && (i & -i) == i; } ll mask(int i) { return (ll(1) << i) - 1; } bool inc(int a, int b, int c) { return a <= b && b <= c; } template <class t> void mkuni(vc<t> &v) { sort(all(v)); v.erase(unique(all(v)), v.ed); } ll rand_int(ll l, ll r) { //[l, r] #ifdef LOCAL static mt19937_64 gen; #else static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count()); #endif return uniform_int_distribution<ll>(l, r)(gen); } template <class t> void myshuffle(vc<t> &a) { rep(i, si(a)) swap(a[i], a[rand_int(0, i)]); } template <class t> int lwb(const vc<t> &v, const t &a) { return lower_bound(all(v), a) - v.bg; } int lcm(int a, int b) { return a / __gcd(a, b) * b; } int combination(int a, int b) { if (a == b || b == 0) return 1; else combination(a - 1, b - 1) + combination(a - 1, b); } signed main() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(20); int n; cin >> n; vc<int> ans(55, 0); ans[0] = 1; ans[1] = 1; for (int i = 2; i < 55; i++) { ans[i] = ans[i - 1] + ans[i - 2]; } cout << ans[n] << endl; }