Submission #470051

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
470051	2021-09-02 19:06:17	flashmt	Dynamic Diameter (CEOI19_diameter)	C++17	100 / 100	4093 ms	260028 KiB

diameter

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#include <bits/stdc++.h>
using namespace std;
const int N = 100100;
struct Edge
{
  int x, y;
  long long c;
};
struct SegmentTree
{
  int low, mid, high;
  long long v, save;
  SegmentTree *l, *r;
  SegmentTree(int low, int high, long long initialDist[]): low(low), high(high)
  {
    mid = (low + high) / 2;
    save = 0;
    if (low == high) v = initialDist[low];
    else
    {
      l = new SegmentTree(low, mid, initialDist);
      r = new SegmentTree(mid + 1, high, initialDist);
      v = max(l->v, r->v);
    }
  }
  void pushDown()
 
 
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Compilation message (stderr)

diameter.cpp: In function 'int main()':
diameter.cpp:196:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<CentroidNode>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  196 |     for (int j = 0; j < centroidNodes[x].size() && j < centroidNodes[y].size(); j++)
      |                     ~~^~~~~~~~~~~~~~~~~~~~~~~~~
diameter.cpp:196:54: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<CentroidNode>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  196 |     for (int j = 0; j < centroidNodes[x].size() && j < centroidNodes[y].size(); j++)
      |                                                    ~~^~~~~~~~~~~~~~~~~~~~~~~~~

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