Submission #574113

#	Time	Username	Problem	Language	Result	Execution time	Memory
574113		hossain2020	Lost Array (NOI19_lostarray)	C++14	100 / 100	43 ms	5288 KiB

lostarray

#include <bits/stdc++.h>

#define ordered_set tree <ll, null_type, less <ll>, rb_tree_tag, tree_order_statistics_node_update>
#define fast ios_base::sync_with_stdio(0);ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define Yes cout << "Yes" << endl
#define No cout << "No" << endl
#define ull unsigned long long
#define ld long double
#define pf push_front
#define pb push_back
#define ll long long
#define endl "\n"
#define S second
#define F first
#define ff cout.flush();
#define all(x) x.begin(),x.end()

using namespace std;
bool pri (int a)
{
    if (a<=1)return 0;
    for (int i=2;i*i<=a;i++)
    {
        if (a%i==0)
        {
            return 0;
        }
    }
    return 1;
}
ll mod=1000000007;
ll Fastpower(ll x, ll y){
    if (y == 0) return 1;
    if (y == 1) return x;
    ll ret = Fastpower(x, y / 2);
    ret = (ret * ret) % mod;
    if (y % 2 != 0) ret = (ret * x) % mod;
    return ret;
}
ll n,m,a,b,c,o[200000];
vector<pair<ll,pair<ll,ll> > > s;
signed main()
{
    fast;
    srand(time(NULL));
    cin>>n>>m;
    ll z=m;
    for (int i=0;i<=n;i++)o[i]=1;
    while (z--)
    {
        cin>>a>>b>>c;
        if (b<a)swap(a,b);
        s.push_back({a,{b,c}});
        o[a]=max(o[a],c);
        o[b]=max(o[b],c);
    }
    sort(all(s));
    for (int i=0;i<m;i++)
    {
        a=s[i].F;
        b=s[i].S.F;
        c=s[i].S.S;
        if (c==o[a])continue;
        else o[b]=c;
    }
    for (int i=1;i<=n;i++)
    {
        cout<<o[i]<<" ";
    }
    return 0;
}

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 20 / 20
• Subtask 4: 21 / 21
• Subtask 5: 48 / 48