Submission #730303

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
730303	2023-04-25 15:46:44	MilosMilutinovic	Dynamic Diameter (CEOI19_diameter)	C++14	49 / 100	3224 ms	173732 KiB

diameter

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/**
 *    author:  wxhtzdy
 *    created: 25.04.2023 16:05:28
**/
#include <bits/stdc++.h>
using namespace std;
struct segtree {
  vector<long long> mx;
  vector<long long> lzy;
  segtree(int n) {
    mx.resize(4 * n);
    lzy.resize(4 * n);
    fill(mx.begin(), mx.end(), 0);
    fill(lzy.begin(), lzy.end(), 0);
  }
  void push(int v) {
    if (2 * v + 1 < mx.size()) {
      mx[2 * v] += lzy[v];
      mx[2 * v + 1] += lzy[v];
      lzy[2 * v] += lzy[v];
      lzy[2 * v + 1] += lzy[v];
    }
    lzy[v] = 0;
  }
  void modify(int v, int l, int r, int ql, int qr, int x) {
    if (l > qr || r < ql || l > r) {
      return;
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

diameter.cpp: In member function 'void segtree::push(int)':
diameter.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     if (2 * v + 1 < mx.size()) {
      |         ~~~~~~~~~~^~~~~~~~~~~
diameter.cpp: In member function 'void segtree::modify(int, int, int, int, int, int)':
diameter.cpp:38:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |     int mid = l + r >> 1;
      |               ~~^~~
diameter.cpp: In member function 'long long int segtree::query(int, int, int, int, int)':
diameter.cpp:51:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |     int mid = l + r >> 1;
      |               ~~^~~

• Subtask 1: 11 / 11
• Subtask 2: 13 / 13
• Subtask 3: 7 / 7
• Subtask 4: 18 / 18
• Subtask 5: 0 / 24
• Subtask 6: 0 / 27