Submission #1001260

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1001260	2024-06-18 17:34:19	lam	Tourism (JOI23_tourism)	C++14	28 / 100	5092 ms	42832 KiB

tourism

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#include<bits/stdc++.h>
#define all(x) x.begin(), x.end()
 
using namespace std;
const int maxn = 1e5 + 5, bl = sqrt(maxn);
int n, m, q, cnt, cur;
int in[maxn], out[maxn], h[maxn], par[18][maxn], id[maxn], c[maxn], ans[maxn], in_set[maxn];
vector<int> adj[maxn];
 
struct cmp
{
    bool operator() (int x, int y) const
    {
        return in[x] < in[y];
    }
};
 
set<int, cmp> s;
 
struct Q{
    int l, r, id;
    bool operator < (Q b) const
    {
        if (l / bl != b.l / bl) return l < b.l;
        return (l / bl & 1) ? (r < b.r) : (r > b.r);
    }
} qr[maxn];
 
void dfs(int x = 1, int p = 1)
{
 
 
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Compilation message (stderr)

tourism.cpp: In function 'int main()':
tourism.cpp:129:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  129 |         auto [lx, rx, id] = qr[i];
      |              ^

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