Submission #379670

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
3796702021-03-19 02:16:05cheissmartSegments (IZhO18_segments)C++14
100 / 100
2395 ms10780 KiB
#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define MP make_pair
#define EB emplace_back
#define ALL(v) (v).begin(), (v).end()
#define debug(x) cerr << "Line(" << __LINE__ << ") -> " << #x << " is " << x << endl
using namespace std;
typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;
const int INF = 1e9 + 7, N = 2e5 + 7, K = 2000;
pi seg[N];
V<array<int, 3>> buf;
int alive[N], new_id = 1;
int tot = 0;
vi r_bucket[N / K + 1], l_bucket[N / K + 1];
V<array<int, 3>> all;
void rebuild() {
if(tot) for(int i = 0; i <= (tot - 1) / K; i++)
l_bucket[i].clear(), r_bucket[i].clear();
tot = 0;
 
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