Submission #901241

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
901241	2024-01-09 08:13:48	duckindog	Osumnjičeni (COCI21_osumnjiceni)	C++14	110 / 110	224 ms	32336 KiB

Main

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//from duckindog wth depressiong
#include<bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
const int N = 2e5 + 10;
int n;
int lt[N], rt[N];
int f[N][19];
bool chk(pii x, pii y) {
  bool pass = 0;
  for (int i = 0; i < 2; ++i) {
    pass |= (x.second < y.first || x.first > y.second) ;
    swap(x, y);
  }
  return pass;
}
void init() {
  set<pii> duck;
  int j = 1;
  for (int i = 1; i <= n; ++i) {
    duck.erase({lt[i - 1], rt[i - 1]});
    if (j < i) {
      duck.clear();
      j = i;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.cpp: In function 'int32_t main()':
Main.cpp:71:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |     freopen("duck.inp", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:72:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |     freopen("duck.out", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 50 / 50