Submission #37134

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
37134	2017-12-21 15:13:05	cheater2k	Cake (CEOI14_cake)	C++14	100 / 100	566 ms	14112 KiB

cake

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#include <bits/stdc++.h>
using namespace std;
const int N = 250005;
int n, q, start, d[N];
vector<int> topten;
struct SegmentTree {
  int T[N << 2]; // maxpos
  SegmentTree() {
    memset(T, 0, sizeof T);
  }
  
  #define mid ((l + r) >> 1)
  void build(int v, int l, int r) {
    if (l == r) { T[v] = l; return; }
    build(v << 1, l, mid); build(v << 1 | 1, mid + 1, r);
    if (d[T[v << 1]] > d[T[v << 1 | 1]]) T[v] = T[v << 1];
    else T[v] = T[v << 1 | 1];
  }
  void upd(int v, int l, int r, int pos) {
    if (l > r || l > pos || r < pos) return;
    if (l == r) { T[v] = pos; return; }
    upd(v << 1, l, mid, pos); upd(v << 1 | 1, mid + 1, r, pos);
    if (d[T[v << 1]] > d[T[v << 1 | 1]]) T[v] = T[v << 1];
    else T[v] = T[v << 1 | 1];
  }
  int get(int v, int l, int r, int L, int R) {
    if (l > r || R < l || L > r) return 0;
    if (L <= l && r <= R) return T[v];
 
 
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Compilation message (stderr)

cake.cpp: In function 'int main()':
cake.cpp:106:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (e != topten.size()) d[pos] = d[topten[e]] + 1;
          ^

• Subtask 1: 15 / 15
• Subtask 2: 15 / 15
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50