Submission #624691

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
624691	2022-08-08 15:40:58	moonrabbit2	Seats (IOI18_seats)	C++17	100 / 100	1452 ms	109504 KiB

seats

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#include "seats.h"
#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
using ll=long long;
using pii=pair<int,int>;
using tii=tuple<int,int,int>;
const int N=1e6+5;
int h,w,r[N],c[N],D[N];
vector<vector<int>> a;
int S[2*N];
pii pos[N],T[2*N];
pii mrg(pii A,pii B,int d){
  A.fi+=d; B.fi+=d;
  if(A.fi<B.fi) return A;
  if(A.fi>B.fi) return B;
  return pii(A.fi,A.se+B.se);
}
void init(int nd,int l,int r){
  S[nd]=0;
  if(l==r){
    T[nd]=pii(D[l],1);
    return;
  }
  int m=(l+r)>>1,ln=nd+1,rn=nd+2*(m-l+1);
  init(ln,l,m); init(rn,m+1,r);
  T[nd]=mrg(T[ln],T[rn],0);
}
void add(int nd,int l,int r,int s,int e,int v){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 20 / 20
• Subtask 4: 6 / 6
• Subtask 5: 33 / 33
• Subtask 6: 30 / 30