제출 #493794

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
493794	2021-12-13 02:47:32	nathanlee726	Group Photo (JOI21_ho_t3)	C++14	100 / 100	420 ms	392496 KiB

Main

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#include<bits/stdc++.h>
using namespace std; 
#define ll long long
#define int ll
#define pii pair<int,int>
#define X first
#define Y second
#define F(n) Fi(i,n) 
#define Fi(i,n) Fl(i,0,n)
#define Fl(i,l,n) for(int i=l;i<n;i++)
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define abs(x) ((x)>0?(x):-(x))
#define pb push_back
int n,tab[5005][5005],stab[5005][5005],a[5005],b[5005],dp[5005];
int qry(int l1,int r1,int l2,int r2){
  //cout<<l1<<" "<<r1<<" "<<l2<<" "<<r2<<endl;
  //cout<<stab[r1][r2]<<" "<<stab[r1][l2-1]<<" "<<stab[l1-1][r2]<<" "<<stab[l1-1][l2-1]<<endl;
  return stab[r1][r2]-stab[r1][l2-1]-stab[l1-1][r2]+stab[l1-1][l2-1];
}
signed main(){
  ios_base::sync_with_stdio(0);cin.tie(0);
  cin>>n;
  F(n)cin>>a[i],b[a[i]]=i;
  int s=0;
  memset(tab,0,sizeof(tab));
  F(n)for(int j=i+1;j<n;j++){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 32 / 32
• Subtask 4: 20 / 20
• Subtask 5: 36 / 36