Submission #793340

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
793340	2023-07-25 18:00:54	winter0101	Tourism (JOI23_tourism)	C++14	100 / 100	262 ms	29644 KiB

tourism

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#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
#define pil pair<int,long long>
#define pll pair<long long,long long>
#define eb emplace_back
const int maxn=1e5+9;
vector<int>a[maxn];
int sub[maxn];
int dep[maxn];
int p[maxn];
void dfs(int u,int par){
sub[u]=1;
for (auto &v:a[u]){
    if (v==par)continue;
    dep[v]=dep[u]+1;
    p[v]=u;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 7 / 7
• Subtask 4: 18 / 18
• Subtask 5: 24 / 24
• Subtask 6: 41 / 41