Submission #653880

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
653880	2022-10-28 17:25:37	couplefire	Event Hopping (BOI22_events)	C++17	0 / 100	78 ms	50872 KiB

events

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#include <bits/stdc++.h>
using namespace std;
const int N = 1<<17;
const int INF = 0x3f3f3f3f;
int n, q;
pair<int, int> segs[N];
map<int, int> mp;
vector<int> stuff;
vector<pair<int, int>> bruh[N<<1];
int tree[N<<2];
int to[N][20];
void upd(int pos, int val, int tl = 0, int tr = (N<<1)-1, int v = 1) {
    if (tr < pos || tl > pos) {
        return;
    }
    if (tl == tr) {
        tree[v] = min(tree[v], val);
        return;
    }
    int tm = (tl+tr)>>1;
    upd(pos, val, tl, tm, v<<1);
    upd(pos, val, tm+1, tr, v<<1|1);
    tree[v] = min(tree[v<<1], tree[v<<1|1]);
}
int query(int l, int r, int tl = 0, int tr = (N<<1)-1, int v = 1) {
    if (tr < l || tl > r) {
 
 
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Compilation message (stderr)

events.cpp: In function 'int main()':
events.cpp:46:33: warning: 'void* memset(void*, int, size_t)' writing to an object of type 'class std::vector<std::pair<int, int> >' with no trivial copy-assignment [-Wclass-memaccess]
   46 |     memset(bruh, -1, sizeof bruh);
      |                                 ^
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from events.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'class std::vector<std::pair<int, int> >' declared here
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
events.cpp:56:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     for (int i = 0; i < stuff.size(); ++i) {
      |                     ~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30