結果
問題 | No.1861 Required Number |
ユーザー | fuppy_kyopro |
提出日時 | 2022-03-04 21:31:31 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 48 ms / 2,500 ms |
コード長 | 4,382 bytes |
コンパイル時間 | 3,265 ms |
コンパイル使用メモリ | 224,928 KB |
実行使用メモリ | 81,816 KB |
最終ジャッジ日時 | 2024-07-18 22:28:30 |
合計ジャッジ時間 | 13,651 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 21 ms
81,504 KB |
testcase_01 | AC | 22 ms
81,636 KB |
testcase_02 | AC | 23 ms
81,600 KB |
testcase_03 | AC | 48 ms
81,676 KB |
testcase_04 | AC | 48 ms
81,660 KB |
testcase_05 | AC | 21 ms
81,628 KB |
testcase_06 | AC | 21 ms
81,636 KB |
testcase_07 | AC | 21 ms
81,684 KB |
testcase_08 | AC | 22 ms
81,512 KB |
testcase_09 | AC | 21 ms
81,520 KB |
testcase_10 | AC | 20 ms
81,552 KB |
testcase_11 | AC | 22 ms
81,572 KB |
testcase_12 | AC | 21 ms
81,592 KB |
testcase_13 | AC | 21 ms
81,656 KB |
testcase_14 | AC | 21 ms
81,640 KB |
testcase_15 | AC | 22 ms
81,532 KB |
testcase_16 | AC | 21 ms
81,444 KB |
testcase_17 | AC | 22 ms
81,520 KB |
testcase_18 | AC | 21 ms
81,592 KB |
testcase_19 | AC | 21 ms
81,432 KB |
testcase_20 | AC | 21 ms
81,604 KB |
testcase_21 | AC | 20 ms
81,568 KB |
testcase_22 | AC | 21 ms
81,584 KB |
testcase_23 | AC | 21 ms
81,540 KB |
testcase_24 | AC | 31 ms
81,616 KB |
testcase_25 | AC | 45 ms
81,628 KB |
testcase_26 | AC | 26 ms
81,572 KB |
testcase_27 | AC | 32 ms
81,572 KB |
testcase_28 | AC | 32 ms
81,768 KB |
testcase_29 | AC | 29 ms
81,608 KB |
testcase_30 | AC | 23 ms
81,556 KB |
testcase_31 | AC | 44 ms
81,632 KB |
testcase_32 | AC | 24 ms
81,772 KB |
testcase_33 | AC | 39 ms
81,592 KB |
testcase_34 | AC | 41 ms
81,588 KB |
testcase_35 | AC | 43 ms
81,648 KB |
testcase_36 | AC | 27 ms
81,664 KB |
testcase_37 | AC | 33 ms
81,816 KB |
testcase_38 | AC | 41 ms
81,696 KB |
testcase_39 | AC | 35 ms
81,628 KB |
testcase_40 | AC | 45 ms
81,712 KB |
testcase_41 | AC | 44 ms
81,740 KB |
testcase_42 | AC | 44 ms
81,624 KB |
testcase_43 | AC | 33 ms
81,648 KB |
testcase_44 | AC | 21 ms
81,640 KB |
04_evil_1.txt | RE | - |
04_evil_2.txt | RE | - |
04_evil_3.txt | RE | - |
04_evil_4.txt | RE | - |
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> // #include <atcoder/maxflow> // #include <atcoder/lazysegtree> using namespace std; // using namespace atcoder; #define DEBUG(x) cerr << #x << ": " << x << endl; #define DEBUG_VEC(v) \ cerr << #v << ":"; \ for (int iiiiiiii = 0; iiiiiiii < v.size(); iiiiiiii++) \ cerr << " " << v[iiiiiiii]; \ cerr << endl; #define DEBUG_MAT(v) \ cerr << #v << endl; \ for (int iv = 0; iv < v.size(); iv++) { \ for (int jv = 0; jv < v[iv].size(); jv++) { \ cerr << v[iv][jv] << " "; \ } \ cerr << endl; \ } typedef long long ll; // #define int ll #define vi vector<int> #define vl vector<ll> #define vii vector<vector<int>> #define vll vector<vector<ll>> #define vs vector<string> #define pii pair<int, int> #define pis pair<int, string> #define psi pair<string, int> #define pll pair<ll, ll> template <class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); } template <class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); } template <class S, class T> ostream &operator<<(ostream &os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; } #define X first #define Y second #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rrep1(i, n) for (int i = (int)(n); i > 0; i--) #define REP(i, a, b) for (int i = a; i < b; i++) #define in(x, a, b) (a <= x && x < b) #define all(c) c.begin(), c.end() void YES(bool t = true) { cout << (t ? "YES" : "NO") << endl; } void Yes(bool t = true) { cout << (t ? "Yes" : "No") << endl; } void yes(bool t = true) { cout << (t ? "yes" : "no") << endl; } void NO(bool t = true) { cout << (t ? "NO" : "YES") << endl; } void No(bool t = true) { cout << (t ? "No" : "Yes") << endl; } void no(bool t = true) { cout << (t ? "no" : "yes") << endl; } template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; } #define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end()); const ll inf = 1000000001; const ll INF = (ll)1e18 + 1; const long double pi = 3.1415926535897932384626433832795028841971L; int popcount(ll t) { return __builtin_popcountll(t); } // int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1}; // int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 }; vi dx = {0, 1, 0, -1}, dy = {-1, 0, 1, 0}; // vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 }; struct Setup_io { Setup_io() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(25); } } setup_io; // const ll MOD = 1000000007; const ll MOD = 998244353; // #define mp make_pair //#define endl '\n' const int N = 10000, K = 1000; int dp[2][N + 1][K + 1]; signed main() { rep(i, 2) rep(j, N + 1) rep(k, K + 1) dp[i][j][k] = 0; int n, k; cin >> n >> k; vl a(n); rep(i, n) cin >> a[i]; rep(t, 2) { dp[t][0][0] = 1; rep(i, n) { rep(j, k + 1) { if (!dp[t][i][j]) continue; dp[t][i + 1][j] = true; if (j + a[i] <= k) { dp[t][i + 1][j + a[i]] = true; } } } reverse(all(a)); } if (!dp[0][n][k]) { cout << -1 << endl; return 0; } int ans = n; rep(i, n) { int lef = i, r = n - 1 - i; bool flag = false; rep(j, k + 1) { if (dp[0][lef][j] && dp[1][r][k - j]) { flag = true; break; } } ans -= flag; } cout << ans << endl; }