結果

問題 No.2809 Sort Query
ユーザー kwm_tkwm_t
提出日時 2024-07-13 10:59:47
言語 C++23
(gcc 12.3.0 + boost 1.83.0)
結果
WA  
実行時間 -
コード長 2,670 bytes
コンパイル時間 6,560 ms
コンパイル使用メモリ 322,096 KB
実行使用メモリ 33,828 KB
最終ジャッジ日時 2024-07-13 11:00:37
合計ジャッジ時間 48,383 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
(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 827 ms
32,596 KB
testcase_02 AC 503 ms
32,032 KB
testcase_03 WA -
testcase_04 WA -
testcase_05 AC 484 ms
31,556 KB
testcase_06 AC 361 ms
30,332 KB
testcase_07 WA -
testcase_08 WA -
testcase_09 AC 358 ms
31,808 KB
testcase_10 AC 356 ms
30,684 KB
testcase_11 AC 237 ms
32,684 KB
testcase_12 AC 230 ms
31,704 KB
testcase_13 AC 236 ms
31,700 KB
testcase_14 AC 233 ms
31,592 KB
testcase_15 AC 234 ms
31,460 KB
testcase_16 AC 237 ms
31,316 KB
testcase_17 AC 235 ms
30,876 KB
testcase_18 AC 235 ms
31,536 KB
testcase_19 AC 239 ms
31,176 KB
testcase_20 AC 233 ms
31,380 KB
testcase_21 AC 484 ms
33,680 KB
testcase_22 AC 456 ms
33,516 KB
testcase_23 AC 459 ms
33,568 KB
testcase_24 AC 473 ms
33,452 KB
testcase_25 AC 454 ms
33,496 KB
testcase_26 WA -
testcase_27 WA -
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 WA -
testcase_34 WA -
testcase_35 WA -
testcase_36 AC 189 ms
31,560 KB
testcase_37 AC 188 ms
31,436 KB
testcase_38 AC 187 ms
31,024 KB
testcase_39 AC 185 ms
32,576 KB
testcase_40 AC 194 ms
32,024 KB
testcase_41 AC 803 ms
27,024 KB
testcase_42 AC 831 ms
26,364 KB
testcase_43 AC 832 ms
26,640 KB
testcase_44 AC 834 ms
26,684 KB
testcase_45 AC 823 ms
25,660 KB
testcase_46 AC 756 ms
25,848 KB
testcase_47 AC 747 ms
26,308 KB
testcase_48 AC 758 ms
25,924 KB
testcase_49 AC 782 ms
25,860 KB
testcase_50 AC 747 ms
25,908 KB
testcase_51 WA -
testcase_52 WA -
testcase_53 WA -
testcase_54 WA -
testcase_55 WA -
testcase_56 WA -
testcase_57 WA -
testcase_58 WA -
testcase_59 WA -
testcase_60 WA -
testcase_61 AC 382 ms
29,224 KB
testcase_62 AC 316 ms
19,764 KB
testcase_63 WA -
testcase_64 AC 468 ms
30,332 KB
testcase_65 AC 246 ms
18,492 KB
testcase_66 WA -
testcase_67 WA -
testcase_68 AC 2 ms
6,944 KB
testcase_69 WA -
testcase_70 AC 2 ms
6,944 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
//using mint = modint1000000007;
//const int mod = 1000000007;
//using mint = modint998244353;
//const int mod = 998244353;
//const int INF = 1e9;
//const long long LINF = 1e18;
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define rep2(i,l,r)for(int i=(l);i<(r);++i)
#define rrep(i, n) for (int i = (n) - 1; i >= 0; --i)
#define rrep2(i,l,r)for(int i=(r) - 1;i>=(l);--i)
#define all(x) (x).begin(),(x).end()
#define allR(x) (x).rbegin(),(x).rend()
#define P pair<int,int>
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int n, q; cin >> n >> q;
	vector<long long>a(n);
	rep(i, n)cin >> a[i];
	struct Query {
		int t;
		int k;
		long long x;
		Query(int t = -1, int k = -1, long long x = -1) :t(t), k(k), x(x) {}
		void output() {
			std::cout << t << " " << k << " " << x << endl;
		}
	};
	vector<long long>comp = a;
	vector<Query>query(q);
	rep(i, q) {
		cin >> query[i].t;
		if (3 == query[i].t) cin >> query[i].k;
		else if (1 == query[i].t) {
			cin >> query[i].k >> query[i].x;
			comp.push_back(query[i].x);
		}
	}
	sort(all(comp));
	comp.erase(unique(all(comp)), comp.end());
	fenwick_tree<int> bit(comp.size());

	rep(i, q) {
		if (1 == query[i].t) {
			query[i].x = lower_bound(all(comp), query[i].x) - comp.begin();
		}
	}
	vector<long long>change(n, -1);
	vector<pair<long long, long long>>chq;
	vector<int>upd;
	rep(i, n) {
		a[i] = lower_bound(all(comp), a[i]) - comp.begin();
		change[i] = a[i];
		upd.push_back(i);
	}
	bit.add(0, n);
	auto f = [&](int x)->int {
		int ok = 0;
		int ng = comp.size();
		while (abs(ok - ng) > 1) {
			int mid = (ok + ng) / 2;
			bool chk = bit.sum(0, mid) <= x;
			if (chk)ok = mid;
			else ng = mid;
		}
		return ok;
	};
	rep(i, q) {
		int t = query[i].t;
		int k = query[i].k;
		int x = query[i].x;
		if (1 == t) {
			change[k - 1] = x;
			upd.push_back(k - 1);
		}
		else if (2 == t) {
			while (!upd.empty()) {
				if (-1 != change[upd.back()]) {
					int pos = f(upd.back());
					chq.push_back({ pos,change[upd.back()] });
					change[upd.back()] = -1;
				}
				upd.pop_back();
			}
			while (!chq.empty()) {
				auto[f, s] = chq.back();
				bit.add(f, -1);
				bit.add(s, 1);
				chq.pop_back();
			}
		}
		else {
			if (-1 != change[k - 1]) {
				cout << change[k - 1] << endl;
			}
			else {
				cout << comp[f(k - 1)] << endl;
			}
		}
	}
	return 0;
}
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