Submission #499053

#	Time	Username	Problem	Language	Result	Execution time	Memory
499053		Karabasan	Zamjena (COCI18_zamjena)	C++17	70 / 70	162 ms	8688 KiB

zamjena

#include <bits/stdc++.h>
#define ll long long
#define fast1 ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define endl "\n"
#define int long long
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("fma,sse,sse2,sse3,avx")
#pragma GCC optimize("unroll-loops")

int n,m;
string a[50005];
string b[50005];
map<string,string> par;
map<string,int> mark;
int mal;
string bul(string x)
{
    if(par[x]==x)
        return x;
    return par[x]=bul(par[x]);
}
void add(string x,string y)
{
    x=bul(x);
    y=bul(y);
    if(x==y)
        return;
    if(x[0]<='9'&&y[0]>='a')
        par[y]=x;
    else if(x[0]<='9'&&y[0]<='9')
    {
        mal=1;
        return;
    }
    else if(x[0]>='a'&&y[0]<='9')
        par[x]=y;
    else par[y]=par[x];
}
void solve()
{
    cin>>n;
    for(int i=0;i<n;i++)
        cin>>a[i];
    for(int i=0;i<n;i++)
        cin>>b[i];
    for(int i=0;i<n;i++)
    {
        par[a[i]]=a[i];
        par[b[i]]=b[i];
    }
    for(int i=0;i<n;i++)
    {
        if(a[i]==b[i])
            continue;
        else add(a[i],b[i]);
    }
    if(mal==1)
    {
        cout<<"NE"<<endl;
        return;
    }
    cout<<"DA"<<endl;
}
signed main()
{
    fast1
    //freopen ("lca.gir","r",stdin);
    //freopen ("lca.cik","w",stdout);
    int t=1;
    //cin>>t;
    while(t--)
    {
        solve();
    }
    return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 14 / 14
• Subtask 4: 14 / 14
• Subtask 5: 14 / 14