結果
問題 | No.2859 Falling Balls |
ユーザー | 👑 binap |
提出日時 | 2024-08-25 15:23:45 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,737 bytes |
コンパイル時間 | 5,034 ms |
コンパイル使用メモリ | 279,216 KB |
実行使用メモリ | 40,976 KB |
最終ジャッジ日時 | 2024-08-25 15:24:01 |
合計ジャッジ時間 | 13,915 ms |
ジャッジサーバーID (参考情報) |
judge5 / 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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
ソースコード
#include<bits/stdc++.h> #include<atcoder/all> #define rep(i,n) for(int i=0;i<n;i++) using namespace std; using namespace atcoder; typedef long long ll; typedef vector<int> vi; typedef vector<long long> vl; typedef vector<vector<int>> vvi; typedef vector<vector<long long>> vvl; typedef long double ld; typedef pair<int, int> P; ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;} template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;} template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;} template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;} template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;} template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;} template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;} template<typename T> ostream& operator<<(ostream& os, const set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;} template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;} template<typename S, auto op, auto e> ostream& operator<<(ostream& os, const atcoder::segtree<S, op, e>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;} template<typename S, auto op, auto e, typename F, auto mapping, auto composition, auto id> ostream& operator<<(ostream& os, const atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;} template<typename T> void chmin(T& a, T b){a = min(a, b);} template<typename T> void chmax(T& a, T b){a = max(a, b);} // Coodinate Compression // https://youtu.be/fR3W5IcBGLQ?t=8550 template<typename T=int> struct CC { bool initialized; vector<T> xs; CC(): initialized(false) {} void add(T x) { xs.push_back(x);} void init() { sort(xs.begin(), xs.end()); xs.erase(unique(xs.begin(),xs.end()),xs.end()); initialized = true; } int operator()(T x) { if (!initialized) init(); return upper_bound(xs.begin(), xs.end(), x) - xs.begin() - 1; } T operator[](int i) { if (!initialized) init(); return xs[i]; } int size() { if (!initialized) init(); return xs.size(); } }; const long long INF = 1001001001001001; using S = long long; S op(S a, S b){ return max(a, b); } S e(){ return -INF; } int main(){ int n; long long k; cin >> n >> k; vector<long long> t(n); vector<long long> x(n); vector<long long> c(n); cin >> t >> x >> c; t.push_back(0); x.push_back(0); c.push_back(0); vector<long long> ktpx; vector<long long> ktmx; rep(i, n + 1) ktpx.push_back(k * t[i] + x[i]); rep(i, n + 1) ktmx.push_back(k * t[i] - x[i]); CC<long long> cc; rep(i, n + 1) cc.add(ktmx[i]); int m = cc.size(); segtree<S, op, e> seg(m); map<int, vector<int>> event; rep(i, n + 1) event[ktpx[i]].push_back(i); bool init = false; for(auto& [z, vec] : event){ sort(vec.begin(), vec.end(), [&](int i, int j){return ktmx[i] < ktmx[j];}); for(int i : vec){ if(i == n){ seg.set(cc(0), 0); }else{ int idx = cc(ktmx[i]); auto val = seg.prod(0, idx + 1); seg.set(idx, val + c[i]); } } } long long ans = seg.all_prod(); cout << ans << "\n"; return 0; }