結果
| 問題 |
No.412 花火大会
|
| ユーザー |
kei
|
| 提出日時 | 2018-12-04 00:06:52 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 2 ms / 2,000 ms |
| コード長 | 2,309 bytes |
| コンパイル時間 | 1,722 ms |
| コンパイル使用メモリ | 174,800 KB |
| 実行使用メモリ | 5,376 KB |
| 最終ジャッジ日時 | 2024-07-05 05:13:53 |
| 合計ジャッジ時間 | 2,496 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 18 |
ソースコード
#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
inline ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
inline ll lcm(ll a, ll b) { return a / gcd(a, b)*b; }
template<class S,class T> ostream& operator << (ostream& out,const pair<S,T>& o){ out << "(" << o.first << "," << o.second << ")"; return out; }
template<class T> ostream& operator << (ostream& out,const vector<T> V){ for(int i = 0; i < V.size(); i++){ out << V[i]; if(i!=V.size()-1) out << " ";} return out; }
template<class T> ostream& operator << (ostream& out,const vector<vector<T> > Mat){ for(int i = 0; i < Mat.size(); i++) { if(i != 0) out << endl; out << Mat[i];} return out; }
template<class S,class T> ostream& operator << (ostream& out,const map<S,T> mp){ out << "{ "; for(auto it = mp.begin(); it != mp.end(); it++){ out << it->first << ":" << it->second; if(mp.size()-1 != distance(mp.begin(),it)) out << ", "; } out << " }"; return out; }
/*
<url:https://yukicoder.me/problems/no/412>
問題文============================================================
=================================================================
解説=============================================================
================================================================
*/
ll solve(){
ll res = 0;
vector<ll> BCD(3);
for(auto& in:BCD) cin >> in;
sort(BCD.begin(),BCD.end());
int N; cin >> N;
vector<ll> E(N); for(auto& in:E) cin >> in;
vector<vector<ll>> dp(N+1,vector<ll>(8,0));
dp[0][0] = 1;
for(int i = 0; i < N;i++){
for(int j = 0; j < 8;j++){
if(dp[i][j] == 0) continue;
dp[i+1][j] += dp[i][j];
int next = j;
for(int k = 2; k >= 0; k--){
if(E[i] >= BCD[k]){
for(int l = k; l >= 0;l--){
if((next>>l)&1) continue;
next += (1<<l);
break;
}
break;
}
}
dp[i+1][next] += dp[i][j];
}
}
res = dp[N][7];
return res;
}
int main(void) {
cin.tie(0); ios_base::sync_with_stdio(false);
cout << solve() << endl;
return 0;
}
kei