Submission #1094660

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1094660	2024-09-30 08:56:51	not_amir	Event Hopping (BOI22_events)	C++14	25 / 100	1550 ms	21244 KiB

events

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#include <bits/stdc++.h>
using namespace  std;
typedef pair<int, int> pii;
constexpr int INF = 1e9;
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, q;
    cin >> n >> q;
    vector<pair<pii, int>> events(n);
    vector<int> start(n), end(n);
    map<int, int> mp;
    for(int i = 0; i < n; i++) {
        cin >> start[i] >> end[i];
        events[i].first = {end[i], start[i]};
        mp[start[i]] = mp[end[i]] = 1;
        events[i].second = i;
    }
    int t = 0;
    for(auto& [x, cmp] : mp)
        cmp = t++;
    sort(events.begin(), events.end());
    int N = 1 << 32 - __builtin_clz(t - 1);
    vector<pii> st(2 * N, {INF, -1});
    vector<int> parent(n), jump(n), depth(n);
    for(int i = 0; i < n; i++) {
        int e = events[i].first.first, s = events[i].first.second;
        pii ans = {INF, -1};
 
 
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Compilation message (stderr)

events.cpp: In function 'int main()':
events.cpp:22:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   22 |     for(auto& [x, cmp] : mp)
      |               ^
events.cpp:25:21: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   25 |     int N = 1 << 32 - __builtin_clz(t - 1);
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~

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