oj.uz

Submission #522545

# Submission time Handle Problem Language Result Execution time Memory
522545 2022-02-05T06:46:17 Z PCTprobability Swapping Cities (APIO20_swap) C++14
13 / 100
 250 ms 24172 KB 
#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif
using ll = long long;
using ld = long double;
using ull = unsigned long long;
#define endl "\n"
typedef pair<int,int> Pii;
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i))
#define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++)
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(x) begin(x), end(x)
#define PB push_back
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(s) (s).begin(),(s).end()
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define rever(vec) reverse(vec.begin(), vec.end())
#define sor(vec) sort(vec.begin(), vec.end())
#define fi first
#define se second
#define pb push_back
#define P pair<ll,ll>
#define PQminll priority_queue<ll, vector<ll>, greater<ll>>
#define PQmaxll priority_queue<ll,vector<ll>,less<ll>>
#define PQminP priority_queue<P, vector<P>, greater<P>>
#define PQmaxP priority_queue<P,vector<P>,less<P>>
#define NP next_permutation
//typedef string::const_iterator State;
//class ParseError {};
//const ll mod = 1000000009;
const ll mod = 998244353;
//const ll mod = 1000000007;
const ll inf = 4100000000000000000ll;
const ld eps = ld(0.000000001);
const long double pi = 3.141592653589793;
template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];}
template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];}
template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;}
template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}}
template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;}
void yes(bool a){cout<<(a?"yes":"no")<<endl;}
void YES(bool a){cout<<(a?"YES":"NO")<<endl;}
void Yes(bool a){cout<<(a?"Yes":"No")<<endl;}
void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; }
void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; }
void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; }
template<class T>void print(T a){cout<<a<<endl;}
template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;}
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0;}
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0;}
template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;}
ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; }
vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; }
ll pop(ll x){return __builtin_popcountll(x);}
ll poplong(ll x){ll y=0;while(x){x/=2;y++;}return y;}
 
void cincout() {
  ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
  cout<< fixed << setprecision(10);
}
class UnionFind{
  public:
  vector<ll> time,par,d;
  vector<ll> three,roop;
  ll now;
  //par は親なら自分のサイズ、そうじゃないなら自分の親を入れる
  UnionFind(){
  }
  UnionFind(ll n){
    time.resize(n);
    par.resize(n);
    three.resize(n);
    roop.resize(n);
    d.resize(n);
    now=0;
    for(int i=0;i<n;i++){
      par[i]=1;
      time[i]=inf;
      three[i]=inf;
      roop[i]=inf;
    }
  }
  ll root(ll x,ll ti){
    if(time[x]<=ti) return root(par[x],ti);
    else return x;
  }
  void merge(ll a,ll b){
    d[a]++;
    d[b]++;
    ll x=root(a,now);
    ll y=root(b,now);
    if(d[a]>=3) chmin(three[x],now);
    if(d[b]>=3) chmin(three[y],now);
    if(x==y){
      chmin(roop[x],now);
      now++;
      return;
    }
    if(par[x]<par[y]) swap(x,y);
    chmin(three[x],three[y]);
    chmin(roop[x],roop[y]);
    par[x]+=par[y];
    par[y]=x;
    time[y]=now;
    now++;
  }
  bool issame(ll a,ll b,ll ti){
    a=root(a,ti);
    b=root(b,ti);
    return a==b;
  }
};
vector<int> u,v,w;
int n,m;
UnionFind uf;
vector<vector<ll>> d;
int getMinimumFuelCapacity(int X,int Y){
  int x=X,y=Y;
  ll ok=-1,ng=m;
  while(abs(ok-ng)>1){
    ll t=(ok+ng)/2;
    //d[t] 以下の辺だけで行けるか？
    if(uf.issame(x,y,t)==false){
      //行けない
      ok=t;
    }
    else{
      ll v=uf.root(x,t);
      if(uf.roop[v]<=t||uf.three[v]<=t){
        //行ける
        ng=t;
      }
      else{
        //行けない
        ok=t;
      }
    }
  }
  if(ng>=m){
    return -1;
  }
  else{
    return d[ng][0];
  }
}
void init(int N,int M,vector<int> U,vector<int> V,vector<int> W){
  n=N;
  m=M;
  u=U;
  v=V;
  w=W;
  vector<vector<ll>> di;
  for(int i=0;i<m;i++){
    di.pb({w[i],u[i],v[i]});
  }
  sor(di);
  UnionFind ut(n);
  for(int i=0;i<m;i++){
    ut.merge(di[i][1],di[i][2]);
  }
  d=di;
  uf=ut;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 55 ms 17780 KB Output is correct
10 Correct 72 ms 21624 KB Output is correct
11 Correct 73 ms 21368 KB Output is correct
12 Correct 78 ms 22488 KB Output is correct
13 Correct 76 ms 22488 KB Output is correct
14 Correct 65 ms 18024 KB Output is correct
15 Correct 196 ms 23380 KB Output is correct
16 Correct 194 ms 22768 KB Output is correct
17 Correct 250 ms 24060 KB Output is correct
18 Correct 146 ms 24164 KB Output is correct
19 Correct 95 ms 6284 KB Output is correct
20 Correct 219 ms 23412 KB Output is correct
21 Correct 210 ms 22556 KB Output is correct
22 Correct 233 ms 24052 KB Output is correct
23 Correct 152 ms 24172 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 186 ms 22936 KB Output is correct
4 Correct 191 ms 23920 KB Output is correct
5 Correct 181 ms 23184 KB Output is correct
6 Correct 189 ms 23908 KB Output is correct
7 Correct 161 ms 23540 KB Output is correct
8 Correct 180 ms 22692 KB Output is correct
9 Correct 159 ms 23508 KB Output is correct
10 Correct 182 ms 22420 KB Output is correct

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 2 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Incorrect 1 ms 588 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 55 ms 17780 KB Output is correct
11 Correct 72 ms 21624 KB Output is correct
12 Correct 73 ms 21368 KB Output is correct
13 Correct 78 ms 22488 KB Output is correct
14 Correct 76 ms 22488 KB Output is correct
15 Correct 2 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 2 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Incorrect 1 ms 588 KB Output isn't correct
30 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 55 ms 17780 KB Output is correct
10 Correct 72 ms 21624 KB Output is correct
11 Correct 73 ms 21368 KB Output is correct
12 Correct 78 ms 22488 KB Output is correct
13 Correct 76 ms 22488 KB Output is correct
14 Correct 65 ms 18024 KB Output is correct
15 Correct 196 ms 23380 KB Output is correct
16 Correct 194 ms 22768 KB Output is correct
17 Correct 250 ms 24060 KB Output is correct
18 Correct 146 ms 24164 KB Output is correct
19 Correct 186 ms 22936 KB Output is correct
20 Correct 191 ms 23920 KB Output is correct
21 Correct 181 ms 23184 KB Output is correct
22 Correct 189 ms 23908 KB Output is correct
23 Correct 161 ms 23540 KB Output is correct
24 Correct 180 ms 22692 KB Output is correct
25 Correct 159 ms 23508 KB Output is correct
26 Correct 182 ms 22420 KB Output is correct
27 Correct 2 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 8 ms 3336 KB Output is correct
37 Correct 79 ms 22504 KB Output is correct
38 Correct 89 ms 22476 KB Output is correct
39 Correct 82 ms 22556 KB Output is correct
40 Correct 68 ms 22276 KB Output is correct
41 Correct 72 ms 22052 KB Output is correct
42 Correct 76 ms 20320 KB Output is correct
43 Incorrect 77 ms 22516 KB Output isn't correct
44 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 55 ms 17780 KB Output is correct
11 Correct 72 ms 21624 KB Output is correct
12 Correct 73 ms 21368 KB Output is correct
13 Correct 78 ms 22488 KB Output is correct
14 Correct 76 ms 22488 KB Output is correct
15 Correct 65 ms 18024 KB Output is correct
16 Correct 196 ms 23380 KB Output is correct
17 Correct 194 ms 22768 KB Output is correct
18 Correct 250 ms 24060 KB Output is correct
19 Correct 146 ms 24164 KB Output is correct
20 Correct 186 ms 22936 KB Output is correct
21 Correct 191 ms 23920 KB Output is correct
22 Correct 181 ms 23184 KB Output is correct
23 Correct 189 ms 23908 KB Output is correct
24 Correct 161 ms 23540 KB Output is correct
25 Correct 180 ms 22692 KB Output is correct
26 Correct 159 ms 23508 KB Output is correct
27 Correct 182 ms 22420 KB Output is correct
28 Correct 2 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 1 ms 460 KB Output is correct
33 Correct 1 ms 460 KB Output is correct
34 Correct 1 ms 460 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 8 ms 3336 KB Output is correct
38 Correct 79 ms 22504 KB Output is correct
39 Correct 89 ms 22476 KB Output is correct
40 Correct 82 ms 22556 KB Output is correct
41 Correct 68 ms 22276 KB Output is correct
42 Correct 72 ms 22052 KB Output is correct
43 Correct 76 ms 20320 KB Output is correct
44 Incorrect 77 ms 22516 KB Output isn't correct
45 Halted 0 ms 0 KB -