Submission #942217

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
942217	2024-03-10 11:14:17	Litusiano	Pilot (NOI19_pilot)	C++14	31 / 100	183 ms	33364 KiB

pilot

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#include<bits/stdc++.h>
using namespace std;
#define int long long
const int MAXN = 1e6+5;
int calc(pair<int,int> p){
  int len = p.second - p.first +1;
  return (len*(len+1))/2;
}
signed main(){
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n,m; cin>>n>>m;
  vector<int> v(n); for(int& i : v) cin>>i;
  vector<int> b(m); for(int& i : b) cin>>i;
  set<pair<int,int>> segs; segs.insert({0,n-1}); segs.insert({n,n});
  vector<vector<int>> ST(MAXN);
  for(int i = 0; i<m; i++) ST[b[i]].push_back(i); // indexed one more
  for(int i = 0; i<n; i++) ST[v[i]].push_back(-i-1);
  int ans = n*(n+1)/2;
  vector<int> q(m);
  for(int j = MAXN-1; j>=0; j--){
    for(auto i : ST[j]){
      if(i < 0){
        // cur seg
        if(segs.size() == 0) continue;
        int x = -i -1;//i+1
        pair<int,int> p = {x, 0};
        auto it = segs.upper_bound(p);
 
 
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• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 5 / 5
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• Subtask 10: 0 / 11