oj.uz

Submission #157161

# Submission time Handle Problem Language Result Execution time Memory
157161 2019-10-09T18:29:15 Z GoldNextYear Cezar (COCI16_cezar) C++14
30 / 100
 3 ms 376 KB 
    #define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
    #include <bits/stdc++.h>
    using namespace std;
    #define sqr 340
    #define mid (l+r)/2
    #define pb push_back
    #define ppb pop_back
    #define fi first
    #define se second
    #define lb lower_bound
    #define ub upper_bound
    #define ins insert
    #define era erase
    #define C continue
    #define mem(dp,i) memset(dp,i,sizeof(dp))
    #define mset multiset
    typedef long long ll;
    typedef long double ld;
    typedef pair<int,int> pi;
    typedef pair<ll,ll> pll;
    typedef vector<int> vi;
    typedef vector<ll> vll;
    typedef vector<pi> vpi;
    typedef vector<pll> vpll;
    const ll mod=1000000007;
    const ll inf=1e18*4;
    const ld pai=acos(-1);
    int n;
    string s[109],ss[109];
    vi v[29];
    int done[29],deg[29],ans[29];
    void dfs(int node){
            done[node]=1;
            for(auto u:v[node]){
                    if(done[u]==2)C;
                    if(done[u]==1)cout<<"NE"<<endl,exit(0);
                    dfs(u);
            }
            done[node]=2;
    }
    void make(string a,string b){
            int z=0;
            for(int i=0;i<min((int) a.size(),(int) b.size());i++){
                    if(a[i]==b[i])C;
                    z=1;
                    v[a[i]-'a'].pb(b[i]-'a');
                    deg[b[i]-'a']++;
              	break;
            }
            if(!z && a.size()>b.size())cout<<"NE"<<endl,exit(0);
    }
    int main(){
            cin>>n;
            for(int i=0;i<n;i++)cin>>ss[i];
            for(int i=0;i<n;i++){
                    int x;cin>>x;
                    x--;
                    s[i]=ss[x];
            }
            for(int i=0;i<n-1;i++){
                    make(s[i],s[i+1]);
            }
            for(int i=0;i<26;i++){
                    if(done[i]==0)dfs(i);
            }
            queue<int>q;
            for(int i=0;i<26;i++)
                    if(deg[i]==0)q.push(i);
            int last=(int) 'a';
            while(q.size()){
                    int node=q.front();q.pop();
                    ans[node]=last++;
                    for(auto u:v[node]){
                            deg[u]--;
                            if(deg[u]==0)q.push(u);
                    }
            }
      if(last!=(int)'z'+1){
        while(1){
          
        }
      }
      cout<<"DA"<<endl;
            for(int i=0;i<26;i++)cout<<(char)ans[i];
            cout<<endl;
    }

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -