結果
| 問題 |
No.449 ゆきこーだーの雨と雪 (4)
|
| ユーザー |
hashiryo
|
| 提出日時 | 2019-06-27 17:27:56 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 274 ms / 5,000 ms |
| コード長 | 2,937 bytes |
| コンパイル時間 | 2,019 ms |
| コンパイル使用メモリ | 180,052 KB |
| 実行使用メモリ | 125,056 KB |
| 最終ジャッジ日時 | 2024-09-22 10:35:50 |
| 合計ジャッジ時間 | 12,043 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 43 |
ソースコード
#include<bits/stdc++.h>
#define debug(x) cerr << #x << ": " << x << endl
#define debugArray(x,n) for(long long hoge = 0; (hoge) < (n); ++ (hoge)) cerr << #x << "[" << hoge << "]: " << x[hoge] << endl
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<ll> vll;
const ll INF = LLONG_MAX/2;
const ll MOD = 1e9+7;
const double EPS=1e-12;
template<typename KEYTYPE = unsigned long long, int B = 64>
class BinaryTrie {
struct node {
int cnt;
KEYTYPE lazy;
node *ch[2];
node() : cnt(0), lazy(0), ch{ nullptr, nullptr } {}
};
node* insert_node(node* t, KEYTYPE key, int b = B - 1) {
if (!t) t = new node;
t->cnt += 1;
if (b < 0) return t;
push(t, b);
bool f = (key >> (KEYTYPE)b) & (KEYTYPE)1;
t->ch[f] = insert_node(t->ch[f], key, b - 1);
return t;
}
node* erase_node(node* t, KEYTYPE key, int b = B - 1) {
assert(t);
t->cnt -= 1;
if (t->cnt == 0) return nullptr;
if (b < 0) return t;
push(t, b);
bool f = (key >> (KEYTYPE)b) & (KEYTYPE)1;
t->ch[f] = erase_node(t->ch[f], key, b - 1);
return t;
}
//[
void push(node* t, int b) {
if ((t->lazy >> (KEYTYPE)b) & (KEYTYPE)1) swap(t->ch[0], t->ch[1]);
if (t->ch[0]) t->ch[0]->lazy ^= t->lazy;
if (t->ch[1]) t->ch[1]->lazy ^= t->lazy;
t->lazy = 0;
}
int count_lower(node* t, KEYTYPE key, int b = B - 1) {
if (!t || b < 0) return 0;
push(t, b);
bool f = (key >> (KEYTYPE)b) & (KEYTYPE)1;
return (f && t->ch[0] ? t->ch[0]->cnt : 0) + count_lower(t->ch[f], key, b - 1);
}
//]
node *root;
public:
BinaryTrie() : root(nullptr) {}
int size() const {
return root ? root->cnt : 0;
}
void insert(KEYTYPE key) {
root = insert_node(root, key);
}
void erase(KEYTYPE key) {
root = erase_node(root, key);
}
int lower_bound(KEYTYPE key) { // return id
return count_lower(root, key);
}
};
int id(string name){
static int cnt=0;
static map<string,int> mp;
if(mp.count(name)==0){
mp[name]=cnt++;
return cnt-1;
}else{
return mp[name];
}
}
signed main(){
cin.tie(0);
ios::sync_with_stdio(false);
ll N;cin>>N;
ll L[N];
for(ll i=0;i<N;i++)cin>>L[i];
ll score[100010]={};
ll lastup[100010]={};
ll ac[N]={};
ll T;cin>>T;
BinaryTrie<> S;
for(ll t=1;t<=T;t++){
string Name;char P;cin>>Name>>P;
ll idx=id(Name);
if(P=='?'){
//debug(S.size());
cout<<S.size()-S.lower_bound(score[idx]*T+T-lastup[idx])<<endl;
}else{
//debug(lastup[idx]);
//debug(idx);
if(lastup[idx]>0)S.erase(score[idx]*T+T-lastup[idx]);
score[idx]+=50*L[P-'A']+50*L[P-'A']*10/(8+2*++ac[P-'A']);
lastup[idx]=t;
S.insert(score[idx]*T+T-lastup[idx]);
}
}
return 0;
}
hashiryo