Submission #596807

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
596807	2022-07-15 06:02:01	penguinhacker	Martian DNA (BOI18_dna)	C++17	100 / 100	372 ms	12528 KiB

dna

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int mxN=2e5;
int n, k, r, a[mxN], cnt[mxN];
set<ar<int, 2>> s;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> k >> r;
  for (int i=0; i<n; ++i)
    cin >> a[i];
  while(r--) {
    int x, y;
    cin >> x >> y;
    cnt[x]=y;
    s.insert({y, x});
  }
  for (int i=0; i<k; ++i)
    if (!cnt[i])
      s.insert({0, i});
  int ans=69696969;
  for (int l=0, r=0; r<n; ++r) {
    s.erase({cnt[a[r]], a[r]});
    s.insert({--cnt[a[r]], a[r]});
    if ((*s.rbegin())[0]>0)
 
 
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• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32