結果
問題 | No.59 鉄道の旅 |
ユーザー |
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提出日時 | 2016-01-13 20:01:17 |
言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
結果 |
AC
|
実行時間 | 30 ms / 5,000 ms |
コード長 | 3,064 bytes |
コンパイル時間 | 1,521 ms |
コンパイル使用メモリ | 158,576 KB |
実行使用メモリ | 11,264 KB |
最終ジャッジ日時 | 2024-12-24 22:03:24 |
合計ジャッジ時間 | 2,394 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 12 |
ソースコード
// template {{{#include <bits/stdc++.h>using namespace std;// #define int long long#define GET_MACRO(a, b, c, d, NAME, ...) NAME#define REP2(i, n) REP3(i, 0, n)#define REP3(i, a, b) REP4(i, a, b, 1)#define REP4(i, a, b, s) for (ll i = (a); i < (ll)(b); i += s)#define RREP2(i, n) RREP3(i, 0, n)#define RREP3(i, a, b) for (ll i = (b) - 1; i >= (ll)(a); i--)#define rep(...) GET_MACRO(__VA_ARGS__, REP4, REP3, REP2)(__VA_ARGS__)#define rrep(...) GET_MACRO(__VA_ARGS__,, RREP3, RREP2)(__VA_ARGS__)#define eb emplace_back#define ef emplace_front#define pb pop_back#define pf pop_front#define all(c) begin(c), end(c)#define mp make_pair#define mt make_tuple#define fi first#define se second#define popcnt __builtin_popcountllusing uint = unsigned;using ll = long long;using ull = unsigned long long;using ld = long double;using vi = vector<int>;using vvi = vector<vi>;template<typename T>using maxheap = priority_queue<T, vector<T>, less<T>>;template<typename T>using minheap = priority_queue<T, vector<T>, greater<T>>;const int INF = 1e9 + 10;const ll LLINF = 1e18 + 10;const int dx[] = {-1, 0, 1, 0};const int dy[] = {0, -1, 0, 1};const int dx8[] = {-1, -1, 0, 1, 1, 1, 0, -1};const int dy8[] = {0, -1, -1, -1, 0, 1, 1, 1};template<typename T>inline T sq(T x){return x * x;}template<typename T, typename U>inline bool chmax(T &x, U y){if (x >= y) return false;x = y;return true;}template<typename T, typename U>inline bool chmin(T &x, U y){if (x <= y) return false;x = y;return true;}template<typename T>inline T& sort(T &c){sort(all(c));return c;}template<typename T>inline T& reverse(T &c){reverse(all(c));return c;}template<typename T>inline T& unique(T &c){sort(all(c));c.erase(unique(all(c)), end(c));return c;}template<typename T>inline T sorted(const T &c){T d = c;return sort(d);}template<typename T>inline T reversed(const T &c){T d = c;return reverse(d);}template<typename T>inline T uniqued(const T &c){T d = c;return unique(d);}template<typename T>T power(T x, long long r, const T &e = 1){T res(e);while (r){if (r & 1) res = res * x;x = x * x;r >>= 1;}return res;}// }}}// fast io {{{#include <iostream>namespace fast_io {struct prepare {prepare(){std::ios::sync_with_stdio(0);std::cin.tie(0);}} prepare_;}// }}}// fenwick tree {{{template<typename T, std::size_t S>class FenwickTree {public:FenwickTree(){}void add(int k, T x){k++;while (k <= S){v[k] += x;k += k & -k;}}T sum(int k){T s = 0;while (k > 0){s += v[k];k -= k & -k;}return s;}T sum(int l, int r){return sum(r) - sum(l);}private:std::array<T, S + 1> v;};// }}}int n, k;int c[1000010];FenwickTree<int, 1000010> tr;int main(){cin >> n >> k;rep(i, n){int w;cin >> w;if (w > 0 && tr.sum(w, 1000001) < k){c[w]++;tr.add(w, 1);}else if (w < 0 && c[-w] > 0){c[-w]--;tr.add(-w, -1);}}cout << tr.sum(0, 1000001) << endl;}