Submission #961319

#	Time	Username	Problem	Language	Result	Execution time	Memory
961319		mannshah1211	Stone Arranging 2 (JOI23_ho_t1)	C++17	60 / 100	2013 ms	18260 KiB

Main

/**
 *  author: hashman
 *  created: 
**/

#include <bits/stdc++.h>

using namespace std;

string to_string(string s) {
  return '"' + s + '"';
}

string to_string(const char* s) {
  return to_string((string) s);
}

string to_string(bool b) {
  return (b ? "true" : "false");
}

template <typename A, typename B>
string to_string(pair<A, B> p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template <typename A>
string to_string(A v) {
  bool first = true;
  string res = "{";
  for (const auto &x : v) {
   if (!first) {
    res += ", ";
   }
   first = false;
   res += to_string(x);
  }
  res += "}";
  return res;
}

void debug_out() {
  cerr << endl;
}

template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cerr << " " << to_string(H);
  debug_out(T...);
}

#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__);

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  map<int, pair<int, int>> who;
  for (int i = 0; i < n; i++) {
    who[a[i]] = make_pair(-1, -1);
  }
  for (int i = 0; i < n; i++) {
    if (who[a[i]] == make_pair(-1, -1)) {
      who[a[i]] = make_pair(i, i);
    } else {
      int old = who[a[i]].second;
      who[a[i]].second = i;
      for (int j = old + 1; j <= who[a[i]].second; j++) {
        if (a[j] != a[i]) {
          who[a[j]] = make_pair(-1, -1);
        }
        a[j] = a[i];
      }
    }
  }
  vector<int> ans(n);
  for (auto [_, p] : who) {
    if (p != make_pair(-1, -1)) {
      for (int i = p.first; i <= p.second; i++) {
        ans[i] = _;
      }
    }
  }
  for (int i = 0; i < n; i++) {
    cout << ans[i] << '\n';
  }
}

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 0 / 40