Submission #52224

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
52224	2018-06-25 05:31:51	kriii	Fortune Telling 2 (JOI14_fortune_telling2)	C++17	100 / 100	678 ms	39704 KiB

fortune_telling2

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#include <stdio.h>
#include <algorithm>
#include <vector>
using namespace std;
const int Z = 1 << 18;
vector<int> G[Z * 2];
int N, K, A[200200], B[200200], T[200200];
int cnt(int x, int l, int r)
{
  auto &v = G[x];
  return upper_bound(v.begin(), v.end(), r) - lower_bound(v.begin(), v.end(), l);
}
int cnt(int x, int y, int l, int r)
{
  int res = 0;
  x += Z; y += Z;
  while (x < y) {
    if (x & 1) res += cnt(x++, l, r);
    if (~y & 1) res += cnt(y--, l, r);
    x /= 2; y /= 2;
  } if (x == y) res += cnt(x, l, r);
  return res;
}
int get(int l, int r)
{
  int x = 1;
 
 
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Compilation message (stderr)

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:52:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (p < a.size() && q < b.size()) {
          ~~^~~~~~~~~~
fortune_telling2.cpp:52:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (p < a.size() && q < b.size()) {
                          ~~^~~~~~~~~~
fortune_telling2.cpp:56:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (p < a.size()) c.push_back(a[p++]);
          ~~^~~~~~~~~~
fortune_telling2.cpp:57:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while (q < b.size()) c.push_back(b[q++]);
          ~~^~~~~~~~~~
fortune_telling2.cpp:40:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &K);
  ~~~~~^~~~~~~~~~~~~~~~~
fortune_telling2.cpp:41:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 0; i < N; i++) scanf("%d %d", &A[i], &B[i]);
                              ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &T[j]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 65 / 65