結果
問題 | No.1715 Dinner 2 |
ユーザー | fuppy_kyopro |
提出日時 | 2021-10-22 22:37:54 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 789 ms / 2,000 ms |
コード長 | 4,510 bytes |
コンパイル時間 | 2,316 ms |
コンパイル使用メモリ | 214,792 KB |
実行使用メモリ | 11,152 KB |
最終ジャッジ日時 | 2024-09-23 06:20:04 |
合計ジャッジ時間 | 9,722 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,948 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 573 ms
9,360 KB |
testcase_12 | AC | 464 ms
8,324 KB |
testcase_13 | AC | 381 ms
7,432 KB |
testcase_14 | AC | 412 ms
8,236 KB |
testcase_15 | AC | 454 ms
8,196 KB |
testcase_16 | AC | 451 ms
7,948 KB |
testcase_17 | AC | 286 ms
6,940 KB |
testcase_18 | AC | 5 ms
6,940 KB |
testcase_19 | AC | 9 ms
6,940 KB |
testcase_20 | AC | 6 ms
6,940 KB |
testcase_21 | AC | 4 ms
6,944 KB |
testcase_22 | AC | 6 ms
6,944 KB |
testcase_23 | AC | 10 ms
6,940 KB |
testcase_24 | AC | 6 ms
6,944 KB |
testcase_25 | AC | 49 ms
6,940 KB |
testcase_26 | AC | 32 ms
6,940 KB |
testcase_27 | AC | 32 ms
6,944 KB |
testcase_28 | AC | 41 ms
6,940 KB |
testcase_29 | AC | 42 ms
6,940 KB |
testcase_30 | AC | 40 ms
6,944 KB |
testcase_31 | AC | 44 ms
6,944 KB |
testcase_32 | AC | 677 ms
11,020 KB |
testcase_33 | AC | 711 ms
11,152 KB |
testcase_34 | AC | 774 ms
11,152 KB |
testcase_35 | AC | 789 ms
11,028 KB |
testcase_36 | AC | 2 ms
6,944 KB |
testcase_37 | AC | 2 ms
6,940 KB |
testcase_38 | AC | 8 ms
6,940 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> // #include <atcoder/modint> 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 i = 0; i < v.size(); i++) { \ for (int j = 0; j < v[i].size(); j++) { \ cerr << v[i][j] << " "; \ } \ 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 = 1001; vl p(N), q(N); bool f(int n, int d, ll mid) { vll dp(d + 1, vl(n + 1, -inf)); dp[0][n] = 0; rep(i, d) { priority_queue<pii, vector<pii>, greater<pii>> pq; rep(j, n + 1) { if (dp[i][j] == -inf) continue; pq.push({dp[i][j], j}); while (pq.size() > 2) pq.pop(); } while (pq.size()) { auto [x, j] = pq.top(); pq.pop(); rep(k, n) { if (j == k) continue; if (x - p[k] < mid) continue; chmax(dp[i + 1][k], x - p[k] + q[k]); } } // if (mid == -2) { // DEBUG_MAT(dp); // } } rep(j, n) { if (dp[d][j] != -inf) return true; } return false; } signed main() { int n, d; cin >> n >> d; rep(i, n) { cin >> p[i] >> q[i]; } ll ok = -inf, ng = 1; while (ok + 1 < ng) { ll mid = (ok + ng) / 2; if (f(n, d, mid)) ok = mid; else ng = mid; } cout << ok << endl; }