Submission #472300

#	Time	Username	Problem	Language	Result	Execution time	Memory
472300		Ahmed_Solyman	Zamjena (COCI18_zamjena)	C++14	56 / 70	185 ms	15588 KiB

zamjena

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

bool isNum(string s){
    return (s[0]>='1' && s[0]<='9');
}
int main()
{
    ll n;cin>>n;
    vector<string>a(n),b(n);
    for(auto &i:a)cin>>i;
    for(auto &i:b)cin>>i;
    bool v=1;
    map<string,string>mp;
    map<string,bool>vis;
    map<string,vector<string>>u;
    for(ll i=0;i<n;i++){
        if(vis[a[i]]){
            a[i]=mp[a[i]];
        }
        if(vis[b[i]]){
            b[i]=mp[b[i]];
        }
        if(isNum(a[i]) && isNum(b[i])){
            v&=(a[i]==b[i]);
        }
        else if(isNum(a[i])){
            for(auto j:u[b[i]]){
                if(vis[j]){
                    v&=(mp[j] == a[i]);
                }
                else{
                    vis[j]=1;
                    mp[j]=a[i];
                }
            }
            vis[b[i]]=1;
            mp[b[i]]=a[i];
        }
        else if(isNum(b[i])){
            for(auto j:u[a[i]]){
                if(vis[j]){
                    v&=(mp[j] == b[i]);
                }
                else{
                    vis[j]=1;
                    mp[j]=b[i];
                }
            }
            vis[a[i]]=1;
            mp[a[i]]=b[i];
        }
        else{
            u[a[i]].push_back(b[i]);
            u[b[i]].push_back(a[i]);
        }
    }
    if(v){
        cout<<"DA";
    }
    else{
        cout<<"NE";
    }
    return 0;
}

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 14
• Subtask 4: 14 / 14
• Subtask 5: 14 / 14