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Submission #596124

# Submission time Handle Problem Language Result Execution time Memory
596124 2022-07-14T11:56:53 Z SuhaibSawalha1 Distributing Candies (IOI21_candies) C++17
0 / 100
 236 ms 13048 KB 
#include "candies.h"
#include <bits/stdc++.h>
#include <vector>
using namespace std;

const int N = 2e5;
int n, seg[4 * N], lazy[4 * N], MX;

#define mid (L + R) / 2

void pull (int idx, int v) {
  if (v > 0) {
    seg[idx] = min(MX, seg[idx] + v);
    lazy[idx] = min(MX, lazy[idx] + v);
  }
  else {
    seg[idx] = max(0, seg[idx] + v);
    lazy[idx] = max(0, lazy[idx] + v);  
  }
}

void push_down (int idx) {
  pull(2 * idx, lazy[idx]);
  pull(2 * idx + 1, lazy[idx]);
  lazy[idx] = 0;
}

void update (int st, int en, int v, int idx = 1, int L = 0, int R = n - 1) {
  if (L > en || R < st) {
    return;
  }
  if (L >= st && R <= en) {
    return pull(idx, v);
  }
  push_down(idx);
  update(st, en, v, 2 * idx, L, mid);
  update(st, en, v, 2 * idx + 1, mid + 1, R);
}

int query (int st, int idx = 1, int L = 0, int R = n - 1) {
  if (L == R) {
    return seg[idx];
  }
  push_down(idx);
  if (st <= mid) return query(st, 2 * idx, L, mid);
  return query(st, 2 * idx + 1, mid + 1, R);
}

vector<int> distribute_candies(vector<int> c, vector<int> l, vector<int> r, vector<int> v) {
  MX = c[0];
  n = c.size();
  int q = l.size();
  vector<int> a(n);
  vector<long long> b(n + 1);
  for (int qs = 0; qs < q; ++qs) {
    update(l[qs], r[qs], v[qs]);
  }
  for (int i = 0; i < n; ++i) {
    a[i] = query(i);
  }
  return a;
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 236 ms 13048 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -