Submission #699604

#	Time	Username	Problem	Language	Result	Execution time	Memory
699604		wcwu	Zamjena (COCI18_zamjena)	C++17	70 / 70	119 ms	14648 KiB

zamjena

#include <bits/stdc++.h>
//#include<random>
using namespace std;
/*#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize("O3")*/
/*#pragma GCC optimize("Ofast,no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")//for codeforces*/
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;
typedef pair<int, int> pii;
typedef map<ll, ll> mll;
const int MOD1=1e9+7;
const int MOD2=998244353;
const int iINF=INT_MAX;
const ll INF=LLONG_MAX;
const ld PI=3.14159265358979323846;
ll gcd(ll a,ll b){if(b==0) return a; return gcd(b,a%b);}
ll fpow(ll a,ll b,ll m) {
    if(!b) return 1;
    ll ans=fpow(a*a%m,b/2,m);
    return (b%2?ans*a%m:ans);
}
ll inv(ll a,ll m) {return fpow(a,m-2,m);}
#define IOS ios::sync_with_stdio(false);cin.tie(0);
#define dbg(n) cerr<<#n<<": "<<n<<"\n";
#define optline cout<<"\n";
#define rep(i,n) for(ll i=0;i<n;i++)
#define rep1(i,n) for(ll i=1;i<=n;i++)
#define irep(i,m,n) for(ll i=m;i>=n;i--)
#define F first
#define S second
#define All(c) c.begin(), c.end()
#define pb push_back
#define eb emplace_back
//#define mp make_pair
#define uni(c) c.resize(distance(c.begin(), unique(c.begin(), c.end())))
#define unisort(c) sort(c.begin(), c.end());uni(c)

const int N=1e5+5;
vector<ll> G[N];
vector<string> a(N), b(N);
map<string, ll> mp;
bool vis[N];
ll id=0;
vector<ll> v;
bool isint(string s) {
    for(char c:s) {
        if(c<'0' || c>'9') return 0;
    }
    return 1;
}
void dfs(ll x) {
    vis[x]=1;
    for(int u:G[x]) {
        if(!vis[u]) dfs(u);
    }
}
signed main() {
    memset(vis, false, sizeof(vis));
    ll n;
    cin>>n;
    rep(i, n) {
        string s;
        cin>>a[i];
        if(!mp.count(a[i])) {
            mp[a[i]]=id++;
        }
    }
    rep(i, n) {
        cin>>b[i];
        if(!mp.count(b[i])) {
            mp[b[i]]=id++;
        }
    }
    for(auto &p:mp) {
        if(isint(p.F)) v.pb(p.S);
    }
    rep(i, n) {
        G[mp[a[i]]].pb(mp[b[i]]);
        G[mp[b[i]]].pb(mp[a[i]]);
    }
    for(ll x:v) {
        if(!vis[x]) dfs(x);
        else {
            cout<<"NE\n";
            return 0;
        }
    }
    cout<<"DA\n";
}

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