Submission #1093744

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1093744	2024-09-27 11:00:28	_8_8_	Reconstruction Project (JOI22_reconstruction)	C++17	100 / 100	4663 ms	57580 KiB

reconstruction

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#include <bits/stdc++.h>
    
using namespace std;
    
typedef long long ll;
const int  N = 1e6 + 12, MOD = (int)1e9 + 3;
    
#define int ll
int n, m, vis[N], timer = 0, p[N], f[N];
vector<array<int, 3>> e(N);
vector<vector<int>> tr;
vector<int> cur;
int id(int v, int u) {
    vector<vector<pair<int,int>>> g(n + 1);
    for(int i:cur) { 
        g[e[i][1]].push_back({e[i][2], i});
        g[e[i][2]].push_back({e[i][1], i});
    }
    queue<int> q;
    q.push(v);
    ++timer;
    vis[v] = timer;
    while(!q.empty()) {
        int x = q.front();
        q.pop();
        // cout << x << ' ' << p[x] << '\n';
        for(auto [to, i]:g[x]) {
            // cout << to << "x\n";
            if(vis[to] != timer) {
                vis[to] = timer;
 
 
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Compilation message (stderr)

reconstruction.cpp: In function 'void test()':
reconstruction.cpp:75:9: warning: unused variable 'lst' [-Wunused-variable]
   75 |     int lst = 0;
      |         ^~~

• Subtask 1: 3 / 3
• Subtask 2: 4 / 4
• Subtask 3: 7 / 7
• Subtask 4: 28 / 28
• Subtask 5: 35 / 35
• Subtask 6: 23 / 23