結果

問題 No.873 バイナリ、ヤバいなり!w
ユーザー minato
提出日時 2020-09-09 17:26:55
言語 C++17(gcc12)
(gcc 12.3.0 + boost 1.87.0)
結果
AC  
実行時間 240 ms / 2,000 ms
コード長 4,299 bytes
コンパイル時間 17,607 ms
コンパイル使用メモリ 283,592 KB
最終ジャッジ日時 2025-01-14 08:54:08
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 36
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#pragma GCC target("avx2,avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
//#include <atcoder/all>
//using namespace atcoder;
//using mint = modint998244353;
//using mint = modint1000000007;
#include <bits/stdc++.h>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//using i128 = __int128_t;
using ll = long long;
using ull = unsigned long long;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define all(x) (x).begin(),(x).end()
#define SZ(x) ((int)(x).size())
constexpr char ln = '\n';
template<class T1, class T2> inline bool chmax(T1 &a, T2 b) {if (a < b) {a = b; return true;} return false;}
template<class T1, class T2> inline bool chmin(T1 &a, T2 b) {if (a > b) {a = b; return true;} return false;}
inline int topbit(int x) {return x == 0 ? -1 : 31-__builtin_clz(x);}
inline int topbit(long long x) {return x == 0 ? -1 : 63-__builtin_clzll(x);}
inline int botbit(int x) {return x == 0 ? 32 : __builtin_ctz(x);}
inline int botbit(long long x) {return x == 0 ? 64 : __builtin_ctzll(x);}
inline int popcount(int x) {return __builtin_popcount(x);}
inline int popcount(long long x) {return __builtin_popcountll(x);}
inline int kthbit(long long x, int k) {return (x>>k)&1;}
inline void print() {cout << "\n";}
template<class T>
inline void print(const vector<T> &v) {
for (auto itr = v.begin(); itr != v.end(); ++itr) cout << *itr << " ";
print();
}
template<class T, class... Args>
inline void print(const T &x, const Args &... args) {
cout << x << " ";
print(args...);
}
#ifdef MINATO_LOCAL
#define dump(x) cerr << __LINE__ << " : " << #x << " = " << (x) << endl;
inline void debug() {cerr << endl;}
template<class T>
inline void debug(const vector<T> &v) {
for (auto itr = v.begin(); itr != v.end(); ++itr) cerr << *itr << " ";
debug();
}
template<class T, class... Args>
inline void debug(const T &x, const Args &... args) {
cerr << x << " ";
debug(args...);
}
#else
#define dump(x) void(0)
inline void debug() {}
template<class T> inline void debug(const vector<T> &v) {}
template<class T, class... Args> inline void debug(const T &x, const Args &... args) {}
#endif
struct Fast_ios {Fast_ios() {cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20);};} fast_ios;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int main() {
int N; cin >> N;
vector<int> dp(N+1,1e9);
dp[0] = 0;
for (int i = 1; i <= N; i++) {
for (int j = 1; j*j <= i; j++) {
chmin(dp[i],dp[i-j*j]+j);
}
}
vector<int> ans = {0};
{
int cur = N;
while (cur) {
bool ok = false;
for (int i = 1; i*i <= cur; i += 2) {
if (dp[cur-i*i]+i==dp[cur]) {
ok = true;
cur -= i*i;
ans.emplace_back(ans.back());
rep(j,i-1) {
ans.emplace_back(1-ans.back());
}
break;
}
}
if (ok) continue;
if (ans.back()==0) {
for (int i = (int)round(sqrt(cur))/2*2+4; i >= 2; i -= 2) {
if (i*i <= cur and dp[cur-i*i]+i==dp[cur]) {
ok = true;
cur -= i*i;
ans.emplace_back(ans.back());
rep(j,i-1) {
ans.emplace_back(1-ans.back());
}
break;
}
}
} else {
for (int i = 2; i*i <= cur; i += 2) {
if (dp[cur-i*i]+i==dp[cur]) {
ok = true;
cur -= i*i;
ans.emplace_back(ans.back());
rep(j,i-1) {
ans.emplace_back(1-ans.back());
}
break;
}
}
}
}
}
rep(i,SZ(ans)) {
if (i) cout << ans[i];
}
cout << ln;
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0