Submission #878382

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
878382	2023-11-24 09:26:46	TAhmed33	Tourism (JOI23_tourism)	C++98	28 / 100	5052 ms	105300 KiB

tourism

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#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize ("Ofast")
const int MAXN = 4e5 + 25;
#define mid ((l + r) >> 1)
#define tl (node + 1)
#define tr (node + 2 * (mid - l + 1))
struct SegmentTree {
    int tree[2 * MAXN];
    void insert (int x) {
        tree[x]++;
    }
    void erase (int x) {
        tree[x]--;
    }
    int left (int x) {
        for (int i = x; i >= 1; i--) if (tree[i]) return i;
        return -1;
    }
    int right (int x) {
        for (int i = x + 1; i < 2 * MAXN; i++) if (tree[i]) return i;
        return -1;
    }
    bool empty (int x) {
        bool flag = 0; for (int i = 1; i < 2 * MAXN; i++) flag |= tree[i];
        return !flag;
    }
  /*  void add (int l, int r, int a, int node) {
        if (l == r) {
            tree[node] = 1; return;
 
 
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Compilation message (stderr)

tourism.cpp: In function 'int main()':
tourism.cpp:170:6: warning: unused variable 'l' [-Wunused-variable]
  170 |  int l = queries[1][0], r = queries[1][1];
      |      ^
tourism.cpp:170:25: warning: unused variable 'r' [-Wunused-variable]
  170 |  int l = queries[1][0], r = queries[1][1];
      |                         ^

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 7
• Subtask 4: 18 / 18
• Subtask 5: 0 / 24
• Subtask 6: 0 / 41