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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#172930#7183. Passworducup-team1469#AC ✓4ms7068kbC++1713.4kb2023-09-09 21:16:392023-09-09 21:16:39

Judging History

你现在查看的是最新测评结果

  • [2023-09-09 21:16:39]
  • 评测
  • 测评结果:AC
  • 用时:4ms
  • 内存:7068kb
  • [2023-09-09 21:16:39]
  • 提交

answer

#include <bits/stdc++.h>
#if __has_include(<atcoder/all>)
#include <atcoder/all>
#endif

using namespace std;
using ll = long long;
using ull = unsigned long long int;
using i128 = __int128_t;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using ld = long double;
template <typename T> using vc = vector<T>;
template <typename T> using vvc = vector<vc<T>>;
template <typename T> using vvvc = vector<vvc<T>>;
using vi = vc<int>;
using vl = vc<ll>;
using vpi = vc<pii>;
using vpl = vc<pll>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
#define overload5(a, b, c, d, e, name, ...) name
#define overload4(a, b, c, d, name, ...) name
#define REP0(n) for(ll jidlsjf = 0; jidlsjf < n; ++jidlsjf)
#define REP1(i, n) for(ll i = 0; i < (n); ++i)
#define REP2(i, a, b) for(ll i = (a); i < (b); ++i)
#define REP3(i, a, b, c) for(ll i = (a); i < (b); i += (c))
#define rep(...) overload4(__VA_ARGS__, REP3, REP2, REP1, REP0)(__VA_ARGS__)
#define per0(n) for(int jidlsjf = 0; jidlsjf < (n); ++jidlsjf)
#define per1(i, n) for(ll i = (n)-1; i >= 0; --i)
#define per2(i, a, b) for(ll i = (a)-1; i >= b; --i)
#define per3(i, a, b, c) for(ll i = (a)-1; i >= (b); i -= (c))
#define per(...) overload4(__VA_ARGS__, per3, per2, per1, per0)(__VA_ARGS__)
#define fore0(a) rep(a.size())
#define fore1(i, a) for(auto &&i : a)
#define fore2(a, b, v) for(auto &&[a, b] : v)
#define fore3(a, b, c, v) for(auto &&[a, b, c] : v)
#define fore4(a, b, c, d, v) for(auto &&[a, b, c, d] : v)
#define fore(...) overload5(__VA_ARGS__, fore4, fore3, fore2, fore1, fore0)(__VA_ARGS__)
#define perm(v) for(bool permrepflag = true; (permrepflag ? exchange(permrepflag, false) : next_permutation(all(v)));)
#define fi first
#define se second
#define pb push_back
#define ppb pop_back
#define ppf pop_front
#define eb emplace_back
#define drop(s) cout << #s << endl, exit(0)
#define si(c) (int)(c).size()
#define lb(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define lbg(c, x) distance((c).begin(), lower_bound(all(c), (x), greater{}))
#define ub(c, x) distance((c).begin(), upper_bound(all(c), (x)))
#define ubg(c, x) distance((c).begin(), upper_bound(all(c), (x), greater{}))
#define rng(v, l, r) v.begin() + (l), v.begin() + (r)
#define all(c) begin(c), end(c)
#define rall(c) rbegin(c), rend(c)
#define SORT(v) sort(all(v))
#define RSORT(v) sort(rall(v))
#define REV(v) reverse(all(v))
#define UNIQUE(x) SORT(x), x.erase(unique(all(x)), x.end())
template <typename T = ll, typename S> T SUM(const S &v) { return accumulate(all(v), T(0)); }
#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
#define INT(...)                                                                                                                                               \
    int __VA_ARGS__;                                                                                                                                           \
    IN(__VA_ARGS__)
#define INTd(...)                                                                                                                                              \
    int __VA_ARGS__;                                                                                                                                           \
    IN2(__VA_ARGS__)
#define LL(...)                                                                                                                                                \
    ll __VA_ARGS__;                                                                                                                                            \
    IN(__VA_ARGS__)
#define LLd(...)                                                                                                                                               \
    ll __VA_ARGS__;                                                                                                                                            \
    IN2(__VA_ARGS__)
#define STR(...)                                                                                                                                               \
    string __VA_ARGS__;                                                                                                                                        \
    IN(__VA_ARGS__)
#define CHR(...)                                                                                                                                               \
    char __VA_ARGS__;                                                                                                                                          \
    IN(__VA_ARGS__)
#define LD(...)                                                                                                                                               \
    ld __VA_ARGS__;                                                                                                                                        \
    IN(__VA_ARGS__)
#define VEC(type, name, size)                                                                                                                                  \
    vector<type> name(size);                                                                                                                                   \
    IN(name)
#define VECd(type, name, size)                                                                                                                                 \
    vector<type> name(size);                                                                                                                                   \
    IN2(name)
#define VEC2(type, name1, name2, size)                                                                                                                         \
    vector<type> name1(size), name2(size);                                                                                                                     \
    for(int i = 0; i < size; i++) IN(name1[i], name2[i])
#define VEC2d(type, name1, name2, size)                                                                                                                        \
    vector<type> name1(size), name2(size);                                                                                                                     \
    for(int i = 0; i < size; i++) IN2(name1[i], name2[i])
#define VEC3(type, name1, name2, name3, size)                                                                                                                  \
    vector<type> name1(size), name2(size), name3(size);                                                                                                        \
    for(int i = 0; i < size; i++) IN(name1[i], name2[i], name3[i])
#define VEC3d(type, name1, name2, name3, size)                                                                                                                 \
    vector<type> name1(size), name2(size), name3(size);                                                                                                        \
    for(int i = 0; i < size; i++) IN2(name1[i], name2[i], name3[i])
#define VEC4(type, name1, name2, name3, name4, size)                                                                                                           \
    vector<type> name1(size), name2(size), name3(size), name4(size);                                                                                           \
    for(int i = 0; i < size; i++) IN(name1[i], name2[i], name3[i], name4[i]);
#define VEC4d(type, name1, name2, name3, name4, size)                                                                                                          \
    vector<type> name1(size), name2(size), name3(size), name4(size);                                                                                           \
    for(int i = 0; i < size; i++) IN2(name1[i], name2[i], name3[i], name4[i]);
#define VV(type, name, h, w)                                                                                                                                   \
    vector<vector<type>> name(h, vector<type>(w));                                                                                                             \
    IN(name)
#define VVd(type, name, h, w)                                                                                                                                  \
    vector<vector<type>> name(h, vector<type>(w));                                                                                                             \
    IN2(name)
int scan() { return getchar(); }
void scan(int &a) { cin >> a; }
void scan(long long &a) { cin >> a; }
void scan(char &a) { cin >> a; }
void scan(ld &a) { cin >> a; }
void scan(string &a) { cin >> a; }
template <class T, class S> void scan(pair<T, S> &p) { scan(p.first), scan(p.second); }
template <class T> void scan(vector<T> &);
template <class T> void scan(vector<T> &a) {
    for(auto &i : a) scan(i);
}
template <class T> void scan(T &a) { cin >> a; }
void IN() {}
void IN2() {}
template <class Head, class... Tail> void IN(Head &head, Tail &...tail) {
    scan(head);
    IN(tail...);
}
template <class Head, class... Tail> void IN2(Head &head, Tail &...tail) {
    scan(head);
    --head;
    IN2(tail...);
}

template<class T> void prt_(T a){ cout<<a; }
template<class T,class U> void prt_(pair<T,U> a){ cout<<"{"<<a.fi<<", "<<a.se<<"}"; }
void prt_(ld a){ printf("%.15Lf",a); }
template<class T> void prt(vc<T> a){
  for(size_t i=0;i<a.size();++i){
    prt_(a[i]);
    cout<<" \n"[i==a.size()-1];
  }
}
template<class T> void prt(vvc<T> a){
  for(auto& v:a){
    for(size_t i=0;i<v.size();++i){
      prt_(v[i]);
      cout<<" \n"[i==v.size()-1];
    }
  }
}
template<class T> void prt(T a){ prt_(a),cout<<"\n"; }
template<class T,class... Args> void prt(T a,Args... args){ prt_(a),cout<<" ",prt(args...); }

template<class Head,class... Tail> struct multi_dim_vector{ using type=vc<typename multi_dim_vector<Tail...>::type>; };
template<class T> struct multi_dim_vector<T>{ using type=T; };
template<class T,class Arg> vc<T> mvec(int n,Arg&& arg){ return vc<T>(n,arg); }
template<class T,class... Args> class multi_dim_vector<Args...,T>::type mvec(int n,Args&&... args){
  return typename multi_dim_vector<Args...,T>::type(n,mvec<T>(args...));
}

template<class T> T REVed(T a){
  reverse(a.begin(),a.end());
  return a;
}
template<class T> T SORTed(T a){
  sort(a.begin(),a.end());
  return a;
}
template<class T> T RSORTed(T a){
  sort(a.rbegin(),a.rend());
  return a;
}
vi iota(int n){
  vi res(n);
  iota(res.begin(),res.end(),0);
  return res;
}
template <class T> bool chmax(T &a, T b){ return (a < b ? a = b, 1 : 0); }
template <class T> bool chmin(T &a, T b){ return (a > b ? a = b, 1 : 0); }

template<class T> auto runLength(T a) -> vc<pair<typename decltype(a)::value_type,ll>>{
  int n=a.size();
  vc<pair<typename decltype(a)::value_type,ll>> res;
  if(n==0){ return res; }
  typename decltype(a)::value_type now=a[0];
  ll l=1;
  rep(i,1,n){
    if(a[i-1]==a[i]){ l++; }
    else{
      res.pb(now,l);
      now=a[i],l=1;
    }
  }
  res.pb(now,l);
  return res;
}

template<int mod> struct mymodint{
  ll x;
  static constexpr ll get_mod(){ return mod; }
  ll val(){ return x; }
  mymodint(ll x_=0):x((x_%mod+mod)%mod){}
  mymodint operator-(){ return (x==0)?0:mod-x; }
  mymodint operator+(mymodint rhs){ return mymodint(*this)+=rhs; }
  mymodint operator-(mymodint rhs){ return mymodint(*this)-=rhs; }
  mymodint operator*(mymodint rhs){ return mymodint(*this)*=rhs; }
  mymodint operator/(mymodint rhs){ return mymodint(*this)/=rhs; }
  mymodint pow(ll rhs){
    mymodint res=1,now=(*this);
    while(rhs){
      res*=((rhs&1)?now:1),now*=now,rhs>>=1;
    }
    return res;
  }
  mymodint& operator+=(mymodint rhs){
    x+=rhs.x,x-=((x>=mod)?mod:0);
    return (*this);
  }
  mymodint& operator-=(mymodint rhs){
    x-=rhs.x;
    x+=((x<0)?mod:0);
    return (*this);
  }
  mymodint& operator*=(mymodint rhs){
    x=x*rhs.x%mod;
    return (*this);
  }
  mymodint& operator/=(mymodint rhs){ return (*this)*=rhs.pow(mod-2); }
  bool operator==(mymodint rhs){ return x==rhs.x; }
  bool operator!=(mymodint rhs){ return x!=rhs.x; }
};

template<int mod> using modint=
#if __has_include(<atcoder/all>)
  atcoder::static_modint<mod>;
#else
  mymodint<mod>;
#endif

template<int mod> std::ostream& operator<<(std::ostream& os,modint<mod> x){
  return os<<(x.val());
}
template<int mod> std::istream& operator>>(std::istream& is,modint<mod>& x){
  ll t;
  is>>t,x=t;
  return is;
}

template<class T> struct cmb{
  vc<T> fac,ifac;
  cmb(int mx=3000000):fac(mx+1,1),ifac(mx+1,1){
    for(int i=1;i<=mx;++i){ fac[i]=fac[i-1]*i; }
    ifac[mx]/=fac[mx];
    for(int i=mx;i>0;--i){ ifac[i-1]=ifac[i]*i; }
  }
  T operator()(ll n,ll k){
    if(n<0||k<0||n<k){ return 0; }
    return fac[n]*ifac[k]*ifac[n-k];
  }
  T f(ll n){
    return n<0?T(0):fac[n];
  }
  T fi(ll n){
    return n<0?T(0):ifac[n];
  }
};

int main(){
  using fp=modint<998244353>;
  INT(n);
  //なるべく 0 を優先
  vi a(n,-1);
  if(n%2==0){ a[n/2-1]=1,a[n/2]=1; }
  else{ a[n/2]=1; }
  rep(i,n){
    if(a[i]!=-1){ continue; }
  	if(i<=1){ a[i]=0; }
  	else if(a[i-2]+a[i-1]==0){ a[i]=1; }
  	else{ a[i]=0; }
  }
  prt(SUM(a),n);
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3604kb

input:

1

output:

1 1

result:

ok single line: '1 1'

Test #2:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

2

output:

2 2

result:

ok single line: '2 2'

Test #3:

score: 0
Accepted
time: 1ms
memory: 3608kb

input:

3

output:

1 3

result:

ok single line: '1 3'

Test #4:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

10

output:

4 10

result:

ok single line: '4 10'

Test #5:

score: 0
Accepted
time: 1ms
memory: 3768kb

input:

5

output:

1 5

result:

ok single line: '1 5'

Test #6:

score: 0
Accepted
time: 1ms
memory: 3544kb

input:

6

output:

2 6

result:

ok single line: '2 6'

Test #7:

score: 0
Accepted
time: 1ms
memory: 3612kb

input:

7

output:

3 7

result:

ok single line: '3 7'

Test #8:

score: 0
Accepted
time: 1ms
memory: 3608kb

input:

8

output:

4 8

result:

ok single line: '4 8'

Test #9:

score: 0
Accepted
time: 0ms
memory: 3488kb

input:

9

output:

3 9

result:

ok single line: '3 9'

Test #10:

score: 0
Accepted
time: 1ms
memory: 3604kb

input:

4

output:

2 4

result:

ok single line: '2 4'

Test #11:

score: 0
Accepted
time: 1ms
memory: 3616kb

input:

9484

output:

3162 9484

result:

ok single line: '3162 9484'

Test #12:

score: 0
Accepted
time: 1ms
memory: 3676kb

input:

18500

output:

6168 18500

result:

ok single line: '6168 18500'

Test #13:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

52029

output:

17343 52029

result:

ok single line: '17343 52029'

Test #14:

score: 0
Accepted
time: 1ms
memory: 3640kb

input:

74707

output:

24903 74707

result:

ok single line: '24903 74707'

Test #15:

score: 0
Accepted
time: 1ms
memory: 3596kb

input:

114210

output:

38070 114210

result:

ok single line: '38070 114210'

Test #16:

score: 0
Accepted
time: 1ms
memory: 3712kb

input:

124079

output:

41359 124079

result:

ok single line: '41359 124079'

Test #17:

score: 0
Accepted
time: 1ms
memory: 3680kb

input:

140227

output:

46743 140227

result:

ok single line: '46743 140227'

Test #18:

score: 0
Accepted
time: 1ms
memory: 3692kb

input:

149321

output:

49773 149321

result:

ok single line: '49773 149321'

Test #19:

score: 0
Accepted
time: 1ms
memory: 4056kb

input:

158606

output:

52870 158606

result:

ok single line: '52870 158606'

Test #20:

score: 0
Accepted
time: 1ms
memory: 3880kb

input:

178985

output:

59661 178985

result:

ok single line: '59661 178985'

Test #21:

score: 0
Accepted
time: 2ms
memory: 3912kb

input:

203822

output:

67942 203822

result:

ok single line: '67942 203822'

Test #22:

score: 0
Accepted
time: 2ms
memory: 3928kb

input:

211113

output:

70371 211113

result:

ok single line: '70371 211113'

Test #23:

score: 0
Accepted
time: 2ms
memory: 4028kb

input:

211702

output:

70568 211702

result:

ok single line: '70568 211702'

Test #24:

score: 0
Accepted
time: 2ms
memory: 4120kb

input:

239252

output:

79752 239252

result:

ok single line: '79752 239252'

Test #25:

score: 0
Accepted
time: 0ms
memory: 4312kb

input:

251157

output:

83719 251157

result:

ok single line: '83719 251157'

Test #26:

score: 0
Accepted
time: 2ms
memory: 4188kb

input:

268701

output:

89567 268701

result:

ok single line: '89567 268701'

Test #27:

score: 0
Accepted
time: 2ms
memory: 4124kb

input:

292633

output:

97545 292633

result:

ok single line: '97545 292633'

Test #28:

score: 0
Accepted
time: 2ms
memory: 4360kb

input:

355864

output:

118622 355864

result:

ok single line: '118622 355864'

Test #29:

score: 0
Accepted
time: 2ms
memory: 4740kb

input:

385320

output:

128440 385320

result:

ok single line: '128440 385320'

Test #30:

score: 0
Accepted
time: 2ms
memory: 4732kb

input:

414180

output:

138060 414180

result:

ok single line: '138060 414180'

Test #31:

score: 0
Accepted
time: 2ms
memory: 5040kb

input:

447973

output:

149325 447973

result:

ok single line: '149325 447973'

Test #32:

score: 0
Accepted
time: 3ms
memory: 4920kb

input:

462908

output:

154304 462908

result:

ok single line: '154304 462908'

Test #33:

score: 0
Accepted
time: 2ms
memory: 5000kb

input:

473412

output:

157804 473412

result:

ok single line: '157804 473412'

Test #34:

score: 0
Accepted
time: 3ms
memory: 5304kb

input:

511511

output:

170503 511511

result:

ok single line: '170503 511511'

Test #35:

score: 0
Accepted
time: 3ms
memory: 5176kb

input:

539439

output:

179813 539439

result:

ok single line: '179813 539439'

Test #36:

score: 0
Accepted
time: 1ms
memory: 5500kb

input:

586698

output:

195566 586698

result:

ok single line: '195566 586698'

Test #37:

score: 0
Accepted
time: 3ms
memory: 5640kb

input:

673221

output:

224407 673221

result:

ok single line: '224407 673221'

Test #38:

score: 0
Accepted
time: 0ms
memory: 5816kb

input:

683861

output:

227953 683861

result:

ok single line: '227953 683861'

Test #39:

score: 0
Accepted
time: 1ms
memory: 6024kb

input:

711682

output:

237228 711682

result:

ok single line: '237228 711682'

Test #40:

score: 0
Accepted
time: 1ms
memory: 6020kb

input:

727899

output:

242633 727899

result:

ok single line: '242633 727899'

Test #41:

score: 0
Accepted
time: 1ms
memory: 6100kb

input:

738039

output:

246013 738039

result:

ok single line: '246013 738039'

Test #42:

score: 0
Accepted
time: 3ms
memory: 6140kb

input:

754671

output:

251557 754671

result:

ok single line: '251557 754671'

Test #43:

score: 0
Accepted
time: 3ms
memory: 6292kb

input:

815233

output:

271745 815233

result:

ok single line: '271745 815233'

Test #44:

score: 0
Accepted
time: 3ms
memory: 6500kb

input:

843192

output:

281064 843192

result:

ok single line: '281064 843192'

Test #45:

score: 0
Accepted
time: 4ms
memory: 6736kb

input:

898513

output:

299505 898513

result:

ok single line: '299505 898513'

Test #46:

score: 0
Accepted
time: 1ms
memory: 7036kb

input:

955601

output:

318533 955601

result:

ok single line: '318533 955601'

Test #47:

score: 0
Accepted
time: 1ms
memory: 6764kb

input:

967629

output:

322543 967629

result:

ok single line: '322543 967629'

Test #48:

score: 0
Accepted
time: 4ms
memory: 7068kb

input:

990687

output:

330229 990687

result:

ok single line: '330229 990687'

Test #49:

score: 0
Accepted
time: 4ms
memory: 6920kb

input:

999999

output:

333333 999999

result:

ok single line: '333333 999999'

Test #50:

score: 0
Accepted
time: 2ms
memory: 7000kb

input:

1000000

output:

333334 1000000

result:

ok single line: '333334 1000000'

Extra Test:

score: 0
Extra Test Passed