結果
問題 | No.873 バイナリ、ヤバいなり!w |
ユーザー | hedwig100 |
提出日時 | 2020-08-14 18:18:55 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 163 ms / 2,000 ms |
コード長 | 4,420 bytes |
コンパイル時間 | 2,008 ms |
コンパイル使用メモリ | 177,796 KB |
実行使用メモリ | 5,760 KB |
最終ジャッジ日時 | 2024-06-11 14:07:02 |
合計ジャッジ時間 | 3,752 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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 | 67 ms
5,248 KB |
testcase_01 | AC | 36 ms
5,376 KB |
testcase_02 | AC | 149 ms
5,632 KB |
testcase_03 | AC | 121 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 1 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 1 ms
5,376 KB |
testcase_08 | AC | 32 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 1 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 10 ms
5,376 KB |
testcase_13 | AC | 2 ms
5,376 KB |
testcase_14 | AC | 1 ms
5,376 KB |
testcase_15 | AC | 1 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 | 1 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 |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 2 ms
5,376 KB |
testcase_26 | AC | 2 ms
5,376 KB |
testcase_27 | AC | 2 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 2 ms
5,376 KB |
testcase_30 | AC | 1 ms
5,376 KB |
testcase_31 | AC | 1 ms
5,376 KB |
testcase_32 | AC | 6 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 21 ms
5,376 KB |
testcase_35 | AC | 157 ms
5,632 KB |
testcase_36 | AC | 85 ms
5,376 KB |
testcase_37 | AC | 163 ms
5,760 KB |
testcase_38 | AC | 155 ms
5,504 KB |
ソースコード
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (int)(n); i ++) #define irep(i,n) for (int i = (int)(n) - 1;i >= 0;--i) using namespace std; using ll = long long; using PL = pair<ll,ll>; using P = pair<int,int>; constexpr int INF = 1000000000; constexpr long long HINF = 1000000000000000; constexpr long long MOD = 1000000007;// = 998244353; constexpr double EPS = 1e-4; constexpr double PI = 3.14159265358979; template<int Modulus> struct ModInt { long long x; ModInt(long long x = 0) :x((x%Modulus + Modulus)%Modulus) {} constexpr ModInt &operator+=(const ModInt a) {if ((x += a.x) >= Modulus) x -= Modulus; return *this;} constexpr ModInt &operator-=(const ModInt a) {if ((x += Modulus - a.x) >= Modulus) x -= Modulus; return *this;} constexpr ModInt &operator*=(const ModInt a) {(x *= a.x) %= Modulus; return *this;} constexpr ModInt &operator/=(const ModInt a) {return *this *= a.inverse();} constexpr ModInt operator+(const ModInt a) const {return ModInt(*this) += a.x;} constexpr ModInt operator-(const ModInt a) const {return ModInt(*this) -= a.x;} constexpr ModInt operator*(const ModInt a) const {return ModInt(*this) *= a.x;} constexpr ModInt operator/(const ModInt a) const {return ModInt(*this) /= a.x;} friend constexpr ostream& operator<<(ostream& os,const ModInt<Modulus>& a) {return os << a.x;} friend constexpr istream& operator>>(istream& is,ModInt<Modulus>& a) {return is >> a.x;} ModInt inverse() const {// x ^ (-1) long long a = x,b = Modulus,p = 1,q = 0; while (b) {long long d = a/b; a -= d*b; swap(a,b); p -= d*q; swap(p,q);} return ModInt(p); } ModInt pow(long long N) {// x ^ N ModInt a = 1; while (N) { if (N&1) a *= *this; *this *= *this; N >>= 1; } return a; } }; using mint = ModInt<1000000007>; struct Combination { int N; //using mint = ModInt<1000000007>; //using mint = ModInt<998244353>; vector<mint> fact,ifact,invs; Combination(int N): N(N) { fact.resize(N + 1); ifact.resize(N + 1); fact[0] = fact[1] = 1; ifact[0] = ifact[1] = 1; for (int i = 2;i < N + 1;++i) {fact[i] = fact[i - 1] * i;} ifact[N] = fact[N].inverse(); for (int i = N;i >= 1;--i) {ifact[i - 1] = ifact[i] * i;} } void invs_build() { invs.resize(N + 1); invs[1] = 1; for (int i = 2;i < N + 1;++i) invs[i] = fact[i] * ifact[i - 1]; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n - k]; } mint npk(int n,int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[n - k]; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; vector<int> square(1,0); for (int i = 1; i*i <= N; ++i) square.push_back(i*i); vector<int> dp(N + 1,INF); vector<int> before(N + 1); dp[0] = 0; before[0] = -1; rep(i,N) { int j = 0; for (;j*j <= i + 1;j += 2) { if (dp[i + 1] >= dp[i + 1 - j*j] + j) { dp[i + 1] = dp[i + 1 - j*j] + j; before[i + 1] = j; } } while (j*j > i + 1 && j >= 0) --j; if (j%2 == 0) --j; for (;j >= 0; j -= 2) { if (dp[i + 1] >= dp[i + 1 - j*j] + j) { dp[i + 1] = dp[i + 1 - j*j] + j; before[i + 1] = j; } } } vector<int> even,odd; int now = N; while (now > 0) { int x = before[now]; if (x%2 == 0) even.push_back(x); else odd.push_back(x); now -= x*x; } sort(even.begin(),even.end()); sort(odd.begin(),odd.end()); string ans = ""; for (int p:odd) { rep(i,p) { if (i%2 == 0) ans += "0"; else ans += "1"; } } int l = 0,r = (int)even.size() - 1; int cnt = 0; while (l <= r) { if (cnt%2 == 0) { rep(i,even[r]) { if ((i + cnt)%2 == 0) ans += "0"; else ans += "1"; } --r; } else { rep(i,even[l]) { if ((i + cnt)%2 == 0) ans += "0"; else ans += "1"; } ++l; } ++cnt; } cout << ans << '\n'; return 0; }