結果
問題 | No.10 +か×か |
ユーザー | shihu |
提出日時 | 2024-09-26 00:27:19 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3,431 ms / 5,000 ms |
コード長 | 2,333 bytes |
コンパイル時間 | 5,517 ms |
コンパイル使用メモリ | 304,500 KB |
実行使用メモリ | 169,856 KB |
最終ジャッジ日時 | 2024-09-26 00:27:38 |
合計ジャッジ時間 | 13,923 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 3,386 ms
169,856 KB |
testcase_04 | AC | 9 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 3,431 ms
168,320 KB |
testcase_07 | AC | 645 ms
46,464 KB |
testcase_08 | AC | 81 ms
11,520 KB |
testcase_09 | AC | 42 ms
8,064 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
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]; map<pii, bool> memo; string ans; bool flag = false; auto f = [&](auto f, int now, int num, string res="") -> bool{ if (now == n){ if (num != tot || flag) return false; cout << res << endl; flag = true; return true; } if (memo.count({now, num})) return memo[{now, num}]; bool ret = false; if (num+a[now] <= tot) ret |= f(f, now+1, num+a[now], res+'+'); if (num*a[now] <= tot) ret |= f(f, now+1, num*a[now], res+'*'); return memo[{now, num}] = ret; }; f(f, 1, a[0]); return 0; }