Submission #226108

#	Time	Username	Problem	Language	Result	Execution time	Memory
226108		hackermub	Type Printer (IOI08_printer)	C++17	0 / 100	200 ms	83832 KiB

printer

#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
using namespace std;
using namespace __gnu_pbds;
 
#define int long long
#define pii pair<int,int>
#define pqi priority_queue<int>
#define pb push_back()
#define INF 1000000000000000000
#define pi acos(-1)
#define deb(x) cout<<#x" = "<<x<<" "
#define ordered_set tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
#define all(x) x.begin(),x.end()
const int modu=1e9+7;
#define ull unsigned long long
 
int bigmod(int n,int p){
    if(p==0) return 1;
    int x=bigmod(n,p/2)%modu;
    x=(x*x)%modu;
    if(p%2) return (x*n)%modu;
    return x;
}
 
int modInverse(int a){
    return bigmod(a,modu-2)%modu;
}


int add(int a,int b){
    int ans=(a%modu + b%modu)%modu;
    while(ans<0) ans+=modu;
    return ans;
}

int mul(int a,int b){
    int ans=(a%modu * b%modu)%modu;
    while(ans<0) ans+=modu;
    return ans;
}

// starts here

class node{
public:
    bool leaf,height;
    node *child[26];
    vector<int> v;
};

node *root,*srt;
int n;

void insert(string x){
   node *now=root;
   for(auto c:x){
        c-='a';
        if(!now->child[c]) now->child[c]=new node();
        now=now->child[c];
   }
   now->leaf=true;
}

bool cmp(int a,int b){
    int ha= (srt->child[a])? srt->child[a]->height:0;
    int hb= (srt->child[b])? srt->child[b]->height:0;
    return ha<hb;
}

void dfs1(node *now){
    now->height=0;
    for(auto nd:now->child){
        if(nd){
            dfs1(nd);
            now->height=max(now->height,nd->height);
        }
    }
    for(int i=0;i<26;i++) now->v.push_back(i);
    srt=now;
    sort(all(now->v),cmp);
}

void dfs2(node *now){
    for(auto i:now->v)if(now->child[i]){
        cout<<(char)('a'+i)<<"\n";
        dfs2(now->child[i]);
    }
    if(now->leaf) cout<<"P\n",n--;
    if(n) cout<<"-\n";
}

void dfs3(node *now){
    deb(now->height)<<endl;
    for(auto i:now->v) cout<<i<<" ";
    cout<<"\n";
    for(auto nd:now->child){
        if(nd) dfs3(nd);
    }
}

int32_t main(){
    ios_base::sync_with_stdio(false);cin.tie();cout.tie();
    //If you hack my code , You are gay;
    cin>>n;
    root=new node();
    for(int i=0;i<n;i++){
        string x;
        cin>>x;
        insert(x);
    }
    dfs1(root);
    dfs2(root);
    //endscreen();
    return 0;

}

Compilation message (stderr)

printer.cpp: In function 'void insert(std::__cxx11::string)':
printer.cpp:62:25: warning: array subscript has type 'char' [-Wchar-subscripts]
         if(!now->child[c]) now->child[c]=new node();
                         ^
printer.cpp:62:40: warning: array subscript has type 'char' [-Wchar-subscripts]
         if(!now->child[c]) now->child[c]=new node();
                                        ^
printer.cpp:63:25: warning: array subscript has type 'char' [-Wchar-subscripts]
         now=now->child[c];
                         ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10