結果
問題 | No.320 眠れない夜に |
ユーザー | heno239 |
提出日時 | 2020-08-26 20:48:26 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 142 ms / 2,000 ms |
コード長 | 4,605 bytes |
コンパイル時間 | 1,343 ms |
コンパイル使用メモリ | 120,576 KB |
実行使用メモリ | 36,292 KB |
最終ジャッジ日時 | 2024-11-07 13:37:17 |
合計ジャッジ時間 | 2,693 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 8 ms
5,380 KB |
testcase_06 | AC | 9 ms
5,924 KB |
testcase_07 | AC | 10 ms
5,836 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 2 ms
5,248 KB |
testcase_10 | AC | 9 ms
5,308 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 7 ms
5,248 KB |
testcase_13 | AC | 3 ms
5,248 KB |
testcase_14 | AC | 142 ms
36,292 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 3 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 2 ms
5,248 KB |
testcase_26 | AC | 3 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 2 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 2 ms
5,248 KB |
testcase_31 | AC | 1 ms
5,248 KB |
testcase_32 | AC | 2 ms
5,248 KB |
testcase_33 | AC | 34 ms
13,684 KB |
testcase_34 | AC | 3 ms
5,248 KB |
ソースコード
#include<iostream> #include<string> #include<cstdio> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> #include<complex> #include<numeric> #include<array> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; constexpr ll mod = 1000000007; const ll INF = mod * mod; typedef pair<int, int>P; #define stop char nyaa;cin>>nyaa; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef long double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acosl(-1.0); ll mod_pow(ll x, ll n, ll m) { ll res = 1; while (n) { if (n & 1)res = res * x % m; x = x * x % m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n % mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, ll n) { if (n == 0)return modint(1); modint res = (a * a) ^ (n / 2); if (n % 2)res = res * a; return res; } ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 1; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } ll gcd(ll a, ll b) { if (a < b)swap(a, b); while (b) { ll r = a % b; a = b; b = r; } return a; } ll calc(ll x) { ll res = 0; string s = to_string(x); int n = s.size(); rep(i, n - 1) { int x = (s[i] - '0') * 10 + s[i + 1] - '0'; string pre, las; ll z = 1; rep(j, n) { if (j == i || j == i + 1)continue; if (j < i) { pre.push_back(s[j]); } else { las.push_back(s[j]); z *= 10; } } if (pre.empty())pre.push_back('0'); if (las.empty())las.push_back('0'); if (x > 12) { res += z*(stoll(pre) + 1); } else if(x<12){ res += z * (stoll(pre)); } else { res += z * (stoll(pre)) + stoll(las) + 1; } } //cout << "hoge " << res << "\n"; rep1(i, n - 1) { ll z = 1; for (int j = i + 1; j < n - 1; j++)z *= 10; res += z; } if (s[0] - '0' > 2) { ll z = 1; for (int j = 1; j < n-1; j++)z *= 10; res += z; } else if (s[0] == '2') { string t; for (int j = 1; j < n - 1; j++)t.push_back(s[j]); if (t.empty())t.push_back('0'); res += stoll(t) + 1; if (s.back() < '2')res--; } return res; } void solve() { vector<ll> f(85); f[1] = 1, f[2] = 1; for (int i = 3; i < 85; i++) { f[i] = f[i - 1] + f[i - 2]; } int n; ll m; cin >> n >> m; m = f[n] - m; if (m < 0) { cout << -1 << "\n"; return; } else if (m == 0) { cout << 0 << "\n"; return; } else { int ans = mod; vector<ll> rf(85); rep1(i, 84)rf[i] = rf[i - 1] + f[i]; vector<LP> vs; vs.push_back({ m,0 }); for (int x = n - 2; x >= 1; x--) { vector<LP> nex; for (LP p : vs) { //don't take if (p.first <= rf[x - 1]) { nex.push_back(p); } //take if (p.first - f[x] >= 0) { LP np = { p.first - f[x],p.second + 1 }; if (np.first == 0)ans = min(ans, (int)np.second); else nex.push_back(np); } } swap(nex, vs); } if (ans == mod)ans = -1; cout << ans << "\n"; } } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(15); //init_f(); //expr(); //int t; cin >> t; rep(i, t) solve(); return 0; }