結果
| 問題 |
No.10 +か×か
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-09-25 23:15:25 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 2,579 bytes |
| コンパイル時間 | 5,238 ms |
| コンパイル使用メモリ | 288,260 KB |
| 最終ジャッジ日時 | 2025-02-24 12:38:50 |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 4 TLE * 1 -- * 7 |
ソースコード
// #pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
// using mint = modint1000000007;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using T = tuple<int, int, int>;
using G = vector<vector<int>>;
#define rep(i, n) for (ll i = 0; i < (n); ++i)
#define rep2(i, a, b) for (ll i = a; i < (b); ++i)
#define rrep2(i, a, b) for (ll i = a-1; i >= (b); --i)
#define rep3(i, a, b, c) for (ll i = a; i < (b); i+=c)
#define rng(a) a.begin(),a.end()
#define rrng(a) a.rbegin(),a.rend()
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll
#define fi first
#define se second
#define UNIQUE(v) sort(rng(v)), v.erase(unique(rng(v)), v.end())
#define MIN(v) *min_element(rng(v))
#define MAX(v) *max_element(rng(v))
template<class T> bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;}
template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;}
template<class T> void printv(vector<T> &v){rep(i,v.size())cout<<v[i]<<" \n"[i==v.size()-1];}
template<class T> void printvv(vector<vector<T>> &v){rep(i,v.size())rep(j,v[i].size())cout<<v[i][j]<<" \n"[j==v[i].size()-1];cout<<endl;}
const ll dx[] = {0, 1, 0, -1};
const ll dy[] = {1, 0, -1, 0};
const ll dxx[] = {0, 1, 0, -1, 1, -1, 1, -1};
const ll dyy[] = {1, 0, -1, 0, 1, 1, -1, -1};
const ll LINF = 1001002003004005006ll;
const int INF = 1001001001;
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, tot; cin >> n >> tot;
vector<int> a(n);
rep(i, n) cin >> a[i];
vector dp(n, vector<int>(tot+1, 0)); dp[0][a[0]] = 1;
rep2(i, 1, n){
rep(j, tot+1){
if (j+a[i] <= tot) dp[i][j+a[i]] += dp[i-1][j];
if (j*a[i] <= tot) dp[i][j*a[i]] += dp[i-1][j];
dp[i][j] += dp[i-1][j];
}
}
string ans; bool flag = false;
auto f = [&](auto f, int now, int num, string res="") -> void{
if (now == 0){
reverse(rng(res));
if (!flag){
ans = res;
flag = true;
return;
}
chmax(ans, res);
return;
}
if (num-a[now] >= 0 && dp[now-1][num-a[now]]) f(f, now-1, num-a[now], res+'+');
if (num%a[now] == 0 && dp[now-1][num/a[now]]) f(f, now-1, num/a[now], res+'*');
};
f(f, n-1, tot);
cout << ans << endl;
return 0;
}