Submission #404793

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
404793	2021-05-15 02:37:47	jjang36524	Circle selection (APIO18_circle_selection)	C++14	64 / 100	3097 ms	51084 KiB

circle_selection

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#include <iostream>
#include <algorithm>
#include <unordered_map>
#include <vector>
#define int long long
using namespace std;
unordered_map<int, vector<int>>x;
int po[300100][2];
vector<pair<int, int>>so;
int pre[300100];
int num[300100];
signed main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int N;
  cin >> N;
  int i;
  for (i = 0; i < N; i++)
  {
    int a, b, c;
    cin >> a >> b >> c;
    a += 1LL << 30;
    b += 1LL << 30;
    pre[i] = c;
    so.push_back({ -c,i });
    po[i][0]=a;
    po[i][1] = b;
  }
  sort(so.begin(), so.end());
 
 
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Compilation message (stderr)

circle_selection.cpp: In function 'int main()':
circle_selection.cpp:62:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |     for (l = 0; l < x[j*(1LL<<31)+ k].size(); l++)
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 15 / 15
• Subtask 4: 0 / 23
• Subtask 5: 30 / 30
• Subtask 6: 0 / 13