Submission #713397

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
713397	2023-03-21 21:28:58	ammar2000	Village (BOI20_village)	C++17	50 / 100	142 ms	19596 KiB

Village

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#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define F first
#define S second
#define coy cout<<"YES\n"
#define con cout<<"NO\n"
#define co1 cout<<"-1\n"
#define sc(x) scanf("%lld",&x)
#define all(x) x.begin(),x.end()
#define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
const int SI=2e5+7;
ll INF=8e18+7;
int MOD=1e9+7;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
int T=1;
ll ss;
ll n,dp[SI],up[SI],ans[SI];
vector < ll> v[SI];
void bt( int x=1,int pa=0)
{
     for (auto i:v[x])
     {
         if (i==pa)
            continue;
         bt(i,x);
         if (up[i]==0)
         {
 
 
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• Subtask 1: 6 / 12
• Subtask 2: 19 / 38
• Subtask 3: 25 / 50