Submission #1017806

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1017806	2024-07-09 10:21:20	Unforgettablepl	Sightseeing in Kyoto (JOI22_kyoto)	C++17	30 / 100	34 ms	34264 KiB

kyoto

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#include <bits/stdc++.h>
using namespace std;
 
#define int long long
const int INF = 1e15;
int32_t main(){
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int h,w;
  cin >> h >> w;
  vector<int> a(h+1);
  vector<int> b(w+1);
  for(int i=1;i<=h;i++)cin>>a[i];
  for(int i=1;i<=w;i++)cin>>b[i];
  vector<int> acti={0},actj={0};
  {
    vector<int> maxidx(1001),minidx(1001);
    for(int i=1;i<=h;i++)maxidx[a[i]]=i;
    for(int i=h;i;i--)minidx[a[i]]=i;
    for(int i=1;i<=h;i++)if(i==minidx[a[i]] or i==maxidx[a[i]])acti.emplace_back(i);
  }
  {
    vector<int> maxidx(1001),minidx(1001);
    for(int i=1;i<=w;i++)maxidx[b[i]]=i;
    for(int i=w;i;i--)minidx[b[i]]=i;
    for(int i=1;i<=w;i++)if(i==minidx[b[i]] or i==maxidx[b[i]])actj.emplace_back(i);
  }
  int sh = acti.size()-1;
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 30 / 30
• Subtask 3: 0 / 60