結果
問題 | No.2546 Many Arithmetic Sequences |
ユーザー | fuppy_kyopro |
提出日時 | 2023-11-24 22:41:10 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,618 bytes |
コンパイル時間 | 3,278 ms |
コンパイル使用メモリ | 232,220 KB |
実行使用メモリ | 15,424 KB |
最終ジャッジ日時 | 2024-09-26 09:52:15 |
合計ジャッジ時間 | 7,815 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 51 ms
8,320 KB |
testcase_04 | AC | 98 ms
9,976 KB |
testcase_05 | AC | 79 ms
9,436 KB |
testcase_06 | AC | 19 ms
5,376 KB |
testcase_07 | AC | 38 ms
6,324 KB |
testcase_08 | AC | 12 ms
5,376 KB |
testcase_09 | AC | 39 ms
6,516 KB |
testcase_10 | AC | 70 ms
8,744 KB |
testcase_11 | AC | 77 ms
9,744 KB |
testcase_12 | AC | 32 ms
6,264 KB |
testcase_13 | AC | 69 ms
9,296 KB |
testcase_14 | AC | 69 ms
9,532 KB |
testcase_15 | AC | 20 ms
5,376 KB |
testcase_16 | AC | 66 ms
9,300 KB |
testcase_17 | AC | 86 ms
12,500 KB |
testcase_18 | AC | 51 ms
7,120 KB |
testcase_19 | AC | 59 ms
9,940 KB |
testcase_20 | AC | 37 ms
6,356 KB |
testcase_21 | AC | 37 ms
8,476 KB |
testcase_22 | AC | 70 ms
9,516 KB |
testcase_23 | AC | 127 ms
15,064 KB |
testcase_24 | AC | 125 ms
15,008 KB |
testcase_25 | AC | 126 ms
14,908 KB |
testcase_26 | AC | 126 ms
14,928 KB |
testcase_27 | AC | 124 ms
14,812 KB |
testcase_28 | AC | 91 ms
14,440 KB |
testcase_29 | AC | 90 ms
14,440 KB |
testcase_30 | AC | 91 ms
14,444 KB |
testcase_31 | AC | 91 ms
14,184 KB |
testcase_32 | AC | 89 ms
14,312 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | WA | - |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 90 ms
14,060 KB |
testcase_37 | RE | - |
testcase_38 | 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> // #include <atcoder/lazysegtree> using namespace std; // using namespace atcoder; // #define _GLIBCXX_DEBUG #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 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, 0, -1, 1}, dy = {-1, 1, 0, 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' signed main() { int n, m; cin >> n >> m; vector<pll> ad; priority_queue<pll> pq; rep(i, n) { ll a, d; cin >> a >> d; if (d <= 0) { pq.emplace(a, d); } else { ad.emplace_back(a, d); } } vl neg; while (neg.size() < m) { auto [a, d] = pq.top(); pq.pop(); neg.emplace_back(a); pq.emplace(a + d, d); } vl sum(m + 1); rep(i, m) { sum[i + 1] = sum[i] + neg[i]; } // DEBUG_VEC(sum); ll ans = sum[m]; rep(i, ad.size()) { ll a = ad[i].first, d = ad[i].second; auto f = [&](ll x) { ll ret = a * x + x * (x - 1) / 2 * d; ret += sum[m - x]; return ret; }; // DEBUG(ad[i]); ll l = 0, r = m; while (l + 2 < r) { ll x1 = (l * 2 + r) / 3, x2 = (l + r * 2) / 3; if (f(x1) < f(x2)) { l = x1; } else { r = x2; } } for (ll x = l; x <= r; x++) { // DEBUG(pll(x, f(x))); chmax(ans, f(x)); } } cout << ans << endl; }