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Submission #587628

# Submission time Handle Problem Language Result Execution time Memory
587628 2022-07-02T07:22:09 Z MilosMilutinovic The Potion of Great Power (CEOI20_potion) C++14
38 / 100
 3000 ms 171152 KB 
/**
 *    author:  wxhtzdy
 *    created: 01.07.2022 22:14:54
**/
#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...);
}
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

const int MAX = 200005;
const int MAGIC = 25;
               
int a[MAX], p[MAX], q[MAX];         
vector<int> qs[MAX];
vector<set<int>> my[MAX];

void init(int n, int d, int h[]) {
  for (int i = 0; i < n; i++) {
    a[i] = h[i];
  }
}

void curseChanges(int u, int a[], int b[]) {
  for (int i = 0; i < u; i++) {
    qs[a[i]].push_back(i);
    qs[b[i]].push_back(i);
    p[i] = a[i];
    q[i] = b[i];
  }                   
  for (int i = 0; i < MAX; i++) {
    if (qs[i].empty()) {
      continue;
    }
    set<int> st;                      
    for (int j = 0; j < (int) qs[i].size(); j++) {
      int he = (i ^ p[qs[i][j]] ^ q[qs[i][j]]);
      if (st.find(he) != st.end()) {
        st.erase(st.find(he));
      } else {
        st.insert(he);
      }
      if (j % MAGIC == 0) {
        my[i].push_back(st);
      }
    }
  }
}

int question(int x, int y, int v) {
  --v;
  vector<int> xs;
  vector<int> ys;
  {
    int i = lower_bound(qs[x].begin(), qs[x].end(), v + 1) - qs[x].begin();
    --i;     
    if (i >= 0) {
      set<int> st = my[x][i / MAGIC];
      for (int j = (i / MAGIC) * MAGIC + 1; j <= i; j++) {
        int he = (x ^ p[qs[x][j]] ^ q[qs[x][j]]);
        if (st.find(he) != st.end()) {
          st.erase(st.find(he));
        } else {
          st.insert(he);
        }
      }
      for (int j : st) {
        xs.push_back(a[j]);
      }
    }
    sort(xs.begin(), xs.end());
  }
  {
    int i = lower_bound(qs[y].begin(), qs[y].end(), v + 1) - qs[y].begin();
    --i;     
    if (i >= 0) {
      set<int> st = my[y][i / MAGIC];
      for (int j = (i / MAGIC) * MAGIC + 1; j <= i; j++) {
        int he = (y ^ p[qs[y][j]] ^ q[qs[y][j]]);
        if (st.find(he) != st.end()) {
          st.erase(st.find(he));
        } else {
          st.insert(he);
        }
      }
      for (int j : st) {
        ys.push_back(a[j]);
      }
    }
    sort(ys.begin(), ys.end());
  }
  int ptr = 0;
  int ans = 1e9;
  for (int i = 0; i < (int) xs.size(); i++) {
    while (ptr + 1 < (int) ys.size() && xs[i] > ys[ptr]) {
      ptr += 1;
    }   
    for (int j = -1; j <= 1; j++) {
      int idx = ptr + j;
      if (idx >= 0 && idx < (int) ys.size()) {
        ans = min(ans, abs(xs[i] - ys[idx]));
      }
    }
  }
  return ans;  
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9680 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9808 KB Output is correct
2 Correct 7 ms 9808 KB Output is correct
3 Correct 7 ms 9808 KB Output is correct
4 Correct 19 ms 10688 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 221 ms 28524 KB Output is correct
2 Correct 242 ms 28500 KB Output is correct
3 Correct 283 ms 23484 KB Output is correct
4 Correct 2262 ms 110260 KB Output is correct
5 Correct 695 ms 30432 KB Output is correct
6 Execution timed out 3039 ms 161856 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 228 ms 28504 KB Output is correct
2 Correct 2959 ms 171152 KB Output is correct
3 Correct 1569 ms 94356 KB Output is correct
4 Execution timed out 3018 ms 160844 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 11088 KB Output is correct
2 Correct 181 ms 10320 KB Output is correct
3 Correct 293 ms 10516 KB Output is correct
4 Correct 1285 ms 13544 KB Output is correct
5 Correct 1343 ms 12952 KB Output is correct
6 Correct 222 ms 10284 KB Output is correct
7 Correct 1092 ms 12368 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9680 KB Output is correct
2 Correct 7 ms 9808 KB Output is correct
3 Correct 7 ms 9808 KB Output is correct
4 Correct 7 ms 9808 KB Output is correct
5 Correct 19 ms 10688 KB Output is correct
6 Correct 221 ms 28524 KB Output is correct
7 Correct 242 ms 28500 KB Output is correct
8 Correct 283 ms 23484 KB Output is correct
9 Correct 2262 ms 110260 KB Output is correct
10 Correct 695 ms 30432 KB Output is correct
11 Execution timed out 3039 ms 161856 KB Time limit exceeded
12 Halted 0 ms 0 KB -