Submission #1169483

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1169483	2025-03-18 20:25:42	ZeroCool	Cat Exercise (JOI23_ho_t4)	C++20	100 / 100	298 ms	71928 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
#define ld long double
#define all(v) v.begin(),v.end()
#define ar array
const int M = 1e6;
const int N = 26e4 + 20;
const int LOG = 31;
const int INF = 1e18;
const int MOD = 1e9 + 7;
const ld EPS = 1e-9;
inline void mm(int &x){x = (x % MOD + MOD) % MOD;}
inline void chmin(int &x, int y){x = min(x, y);}
inline void chmax(int &x, int y){x = max(x, y);}
#pragma GCC optimize("unroll-loops,O3")
int n;
int A[N];
vector<int> g[N];
int up[N][LOG];
int d[N];
void dfs(int x,int p){
    up[x][0] = p;
    for(int i = 1;i < LOG;i++)up[x][i] = up[up[x][i - 1]][i - 1];
    for(auto u: g[x]){
        if(u == p)continue;
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 7 / 7
• Subtask 3: 7 / 7
• Subtask 4: 10 / 10
• Subtask 5: 20 / 20
• Subtask 6: 23 / 23
• Subtask 7: 26 / 26