oj.uz

답안 #529174

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
529174 2022-02-22T10:55:17 Z NaimSS 운세 보기 2 (JOI14_fortune_telling2) C++14
100 / 100
 262 ms 19832 KB 
#include <bits/stdc++.h>
#define ld long double
#define endl "\n"
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pb push_back
#define mp(a,b) make_pair(a,b)
#define ms(v,x) memset(v,x,sizeof(v))
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define per(i, a, b) for(int i = b-1; i>=a ; i--)
#define trav(a, x) for(auto& a : x)
#define allin(a , x) for(auto a : x)
#define Unique(v) sort(all(v));v.erase(unique(all(v)),v.end());
#define sz(v) ((int)v.size())
using namespace std;
typedef vector<int> vi;
#define y1 abacaba
//#define left oooooopss
#define db(x) cerr << #x <<" == "<<x << endl;
#define db2(x,y) cerr<<#x <<" == "<<x<<", "<<#y<<" == "<<y<<endl;
#define db3(x,y,z) cerr << #x<<" == "<<x<<", "<<#y<<" == "<<y<<", "<<#z<<" == "<<z<<endl;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<ll> vl;
std::mt19937 rng((int) std::chrono::steady_clock::now().time_since_epoch().count());
ll cdiv(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up
ll fdiv(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down
inline ll mod(ll n, ll m ){ ll ret = n%m; if(ret < 0) ret += m; return ret; }
ll gcd(ll a, ll b){return (b == 0LL ? a : gcd(b, a%b));}
ll exp(ll b,ll e,ll m){
  b%=m;
  ll ans = 1;
  for (; e; b = b * b % m, e /= 2)
      if (e & 1) ans = ans * b % m;
  return ans;
}

// debug:
void dbg_out() { cerr << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T){ 
  cerr << ' ' << H; 
  dbg_out(T...); 
}
#ifdef LOCAL
#define dbg(...) cerr<<"(" << #__VA_ARGS__<<"):" , dbg_out(__VA_ARGS__) , cerr << endl
#else
#define dbg(...) 42
#endif
//

const int N = 400100;
int A[N],B[N],T[N];
int mx[N],mn[N];
int n,k;

struct node1{
  int mx;
  node1(int id=N){
    mx = id;
  }
  node1 operator+(const node1& o) const{
    node1 r;
    r.mx = max(mx,o.mx);
    return r;
  }
};
struct node2{
  int cnt;
  node2(int v=0){
    cnt=v;
  }
  node2 operator+(const node2& o) const{
    node2 r;
    r.cnt = cnt + o.cnt;
    return r;
  }
};
template <class T>
struct ST{
	vector<T> st; int n; 
	ST(int n) : st(2*n) , n(n){}
	void upd(int pos, T val){ // pos 0index
		for(st[pos += n] = val ; pos /= 2;)
			st[pos] = st[2*pos] + st[2*pos + 1];
	}
	T query(int x , int y){ // [x,y] , x, y -0index
		T ra , rb = T();
		bool okl = false, okr = false;
		for(x += n, y += n+1 ; x < y ; x/=2 , y/=2){
			if(x&1) ra = (okl ? ra + st[x] : st[x]) , x++ , okl = true;
			if(y&1) --y , rb = (okr ? st[y] + rb : st[y]) , okr = true;
		}
		return (okl ? (okr ? ra + rb : ra): rb);
	}
};
int jmx[N];

struct query{
  int l,r,mx,id;
  query(int l,int r,int mx,int id):l(l),r(r),mx(mx),id(id){}
};



int32_t main(){
  fastio;
  cin >> n >> k;
  vi comp;
  rep(i,1,n+1){
    cin >> A[i]>>B[i];
    mn[i] = min(A[i],B[i]);
    mx[i] = A[i] + B[i] - mn[i];
  }
  rep(i,1,k+1){
    cin >> T[i];
    comp.pb(T[i]);
  }
  Unique(comp);
  int tam = sz(comp);
  ST<node1> tree(tam);
  rep(i,1,k+1){
    int p = lower_bound(all(comp),T[i]) - comp.begin();
    tree.upd(p,node1(i));
  }
  auto get = [&](int x) -> int{
    return int(lower_bound(all(comp),x) - comp.begin());
  };
  vector<query> Q;
  rep(i,1,n+1){
    int L = get(mn[i]);
    int R = get(mx[i])-1;
    int ok=0;
    if(L<=R){
      jmx[i] = tree.query(L,R).mx;
      if(jmx[i] <= k){
        Q.pb(query(jmx[i]+1,k,mx[i],i));
        ok=1;
      }
    }else jmx[i] = k+1;
    if(!ok){
      Q.pb(query(1,k,mx[i],i));
    }
  }
  sort(all(Q),[&](query a,query b){
    return a.mx > b.mx;
  });
  vi ids;
  rep(i,1,k+1)ids.pb(i);
  sort(all(ids),[&](int a,int b){
    return T[a] > T[b];
  });
  int pt=0;
  ST<node2> seg(k);
  ll res=0;
  for(auto it : Q){
    while(pt < sz(ids) && T[ids[pt]] >= it.mx){
      seg.upd(ids[pt]-1,node2(1));
      pt++;
    }
    int cnt = seg.query(it.l-1,it.r-1).cnt;
    cnt%=2;
    int i = it.id;
    if(jmx[i]<=k){
      res+=(cnt == 0 ? mx[i] : mn[i]);
    }else{
      res+=(cnt==1 ? B[i] : A[i]);
    }
  }
  cout << res << endl;

  // math -> gcd it all
  // Did u check N=1? Did you switch N,M?
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 2 ms 400 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 1 ms 420 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct

Subtask #2
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 2 ms 400 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 1 ms 420 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 10 ms 1356 KB Output is correct
15 Correct 21 ms 2248 KB Output is correct
16 Correct 33 ms 3152 KB Output is correct
17 Correct 44 ms 4192 KB Output is correct
18 Correct 45 ms 4220 KB Output is correct
19 Correct 41 ms 4188 KB Output is correct
20 Correct 42 ms 4360 KB Output is correct
21 Correct 41 ms 4244 KB Output is correct
22 Correct 31 ms 3668 KB Output is correct
23 Correct 30 ms 3684 KB Output is correct
24 Correct 30 ms 3644 KB Output is correct
25 Correct 30 ms 3768 KB Output is correct
26 Correct 36 ms 3864 KB Output is correct
27 Correct 40 ms 4244 KB Output is correct
28 Correct 37 ms 4264 KB Output is correct
29 Correct 39 ms 4276 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 2 ms 400 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 2 ms 504 KB Output is correct
7 Correct 1 ms 420 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 10 ms 1356 KB Output is correct
15 Correct 21 ms 2248 KB Output is correct
16 Correct 33 ms 3152 KB Output is correct
17 Correct 44 ms 4192 KB Output is correct
18 Correct 45 ms 4220 KB Output is correct
19 Correct 41 ms 4188 KB Output is correct
20 Correct 42 ms 4360 KB Output is correct
21 Correct 41 ms 4244 KB Output is correct
22 Correct 31 ms 3668 KB Output is correct
23 Correct 30 ms 3684 KB Output is correct
24 Correct 30 ms 3644 KB Output is correct
25 Correct 30 ms 3768 KB Output is correct
26 Correct 36 ms 3864 KB Output is correct
27 Correct 40 ms 4244 KB Output is correct
28 Correct 37 ms 4264 KB Output is correct
29 Correct 39 ms 4276 KB Output is correct
30 Correct 121 ms 9332 KB Output is correct
31 Correct 134 ms 10564 KB Output is correct
32 Correct 186 ms 14152 KB Output is correct
33 Correct 255 ms 19832 KB Output is correct
34 Correct 97 ms 7864 KB Output is correct
35 Correct 262 ms 19692 KB Output is correct
36 Correct 239 ms 19640 KB Output is correct
37 Correct 251 ms 19728 KB Output is correct
38 Correct 254 ms 19672 KB Output is correct
39 Correct 247 ms 19712 KB Output is correct
40 Correct 221 ms 19468 KB Output is correct
41 Correct 242 ms 19640 KB Output is correct
42 Correct 242 ms 19628 KB Output is correct
43 Correct 158 ms 19000 KB Output is correct
44 Correct 146 ms 18984 KB Output is correct
45 Correct 145 ms 18888 KB Output is correct
46 Correct 179 ms 17460 KB Output is correct
47 Correct 164 ms 17024 KB Output is correct
48 Correct 223 ms 19664 KB Output is correct
49 Correct 227 ms 19788 KB Output is correct