Submission #372833

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
372833	2021-03-01 22:30:54	luciocf	원 고르기 (APIO18_circle_selection)	C++14	100 / 100	1270 ms	87348 KiB

circle_selection

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#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
 
const int maxn = 3e5+10;
const int add = 1e9;
 
ll R;
 
struct Circle
{
  ll x, y, r;
  int ind;
 
  bool operator<(const ll &o) const
  {
    return y/R < o;
  }
} circle[maxn];
 
vector<vector<Circle>> V;
 
int ans[maxn];
 
bool comp1(Circle a, Circle b)
{
  if (a.x/R == b.x/R) return a.y < b.y;
  return a.x < b.x;
 
 
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Compilation message (stderr)

circle_selection.cpp: In function 'void rescale()':
circle_selection.cpp:50:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<Circle> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |  for (int i = 0; i < V.size(); i++)
      |                  ~~^~~~~~~~~~
circle_selection.cpp:88:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Circle>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |    while (ptr1 < aux1.size() || ptr2 < aux2.size())
      |           ~~~~~^~~~~~~~~~~~~
circle_selection.cpp:88:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Circle>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |    while (ptr1 < aux1.size() || ptr2 < aux2.size())
      |                                 ~~~~~^~~~~~~~~~~~~
circle_selection.cpp:90:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Circle>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |     if (ptr1 == aux1.size()) aux.back().push_back(aux2[ptr2++]);
      |         ~~~~~^~~~~~~~~~~~~~
circle_selection.cpp:91:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Circle>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   91 |     else if (ptr2 == aux2.size()) aux.back().push_back(aux1[ptr1++]);
      |              ~~~~~^~~~~~~~~~~~~~
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:134:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  134 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
circle_selection.cpp:138:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  138 |   scanf("%lld %lld %lld", &circle[i].x, &circle[i].y, &circle[i].r);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
circle_selection.cpp:171:12: warning: 'p_r' may be used uninitialized in this function [-Wmaybe-uninitialized]
  171 |   int p_l, p_r;
      |            ^~~
circle_selection.cpp:193:3: warning: 'p_l' may be used uninitialized in this function [-Wmaybe-uninitialized]
  193 |   for (int j = p_l; j <= p_r; j++)
      |   ^~~

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