Submission #52240

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
52240	2018-06-25 05:50:45	gs14004	Fortune Telling 2 (JOI14_fortune_telling2)	C++17	100 / 100	1409 ms	97644 KiB

fortune_telling2

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#include <cstdio>
#include <algorithm>
#include <vector>
 
#include <iostream>
 
using namespace std;
 
const int MAXN = 200050, MAXK = 200050, MAXV = 2 * MAXN + MAXK;
int N, K, M;
int A[MAXN], B[MAXN], T[MAXK], X[MAXV];
pair<int, int> J[MAXN];
vector<int> S[MAXV * 4 + 50];
 
void insert(int x, int u, int a, int b, int L, int R) {
  if (a == L && b == R) {
    S[x].push_back(u);
    return;
  }
  int m = (L + R) / 2;
  if (a < m) insert(2 * x + 0, u, a, min(b, m), L, m);
  if (b > m) insert(2 * x + 1, u, max(a, m), b, m, R);
}
 
void check(int x, int j, int t, int L, int R) {
  for (int i = 0; i < S[x].size(); ++i) {
    if (J[S[x][i]].first < 0) {
      J[S[x][i]].first = j;
    }
  }
 
 
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Compilation message (stderr)

fortune_telling2.cpp: In function 'void check(int, int, int, int, int)':
fortune_telling2.cpp:26:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < S[x].size(); ++i) {
                   ~~^~~~~~~~~~~~~
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:61:8: 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:65:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &A[i], &B[i]);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:70:10: 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