Submission #19,181

19181

2025-11-28 14:33:01

cpp17

Accepted 100/100

592ms

18484 KiB

#include <bits/stdc++.h>

using namespace std;
using ll = long long;

int main() {
    int q; cin >> q;
    vector<pair<int, int>> v(q);
    for (auto &[a, b] : v) cin >> a >> b;
    set<int> imp;
    map<int, int> cnt;
    for (auto [a, b] : v) {
        imp.insert(b);
        imp.insert(b+1);
    }
    
    for (auto [type, x] : v) {
        if (type == 1) {
            if (cnt[x] == 0) {
                imp.erase(x);
            }
            cnt[x]++;
        } else if (type == 2) {
            if (cnt[x] == 1) {
                imp.insert(x);
            }
            cnt[x]--;
        } else {
            cout << (*imp.lower_bound(x)) << "\n";
        }
    }

    return 0;
}

	Sum	Test	Verdict	Time	Memory
subtask1	0/0
		1	Accepted	1ms	508 KiB
		2	Accepted	246ms	7220 KiB
subtask2	10/10
		3	Accepted	1ms	500 KiB
		4	Accepted	1ms	500 KiB
		5	Accepted	1ms	508 KiB
		6	Accepted	2ms	400 KiB
		7	Accepted	1ms	316 KiB
subtask3	10/10
		8	Accepted	342ms	12340 KiB
		9	Accepted	10ms	820 KiB
		10	Accepted	23ms	1456 KiB
		11	Accepted	35ms	1996 KiB
		12	Accepted	61ms	3116 KiB
		13	Accepted	90ms	4272 KiB
		14	Accepted	303ms	11308 KiB
		15	Accepted	592ms	17588 KiB
		16	Accepted	513ms	17724 KiB
subtask4	10/10
		17	Accepted	2ms	316 KiB
		18	Accepted	4ms	316 KiB
		19	Accepted	52ms	2436 KiB
		20	Accepted	17ms	1076 KiB
		21	Accepted	330ms	12596 KiB
subtask5	20/20
		22	Accepted	1ms	500 KiB
		23	Accepted	1ms	500 KiB
		24	Accepted	1ms	508 KiB
		25	Accepted	2ms	400 KiB
		26	Accepted	1ms	316 KiB
		27	Accepted	2ms	316 KiB
		28	Accepted	4ms	316 KiB
		29	Accepted	52ms	2436 KiB
		30	Accepted	17ms	1076 KiB
		31	Accepted	330ms	12596 KiB
		32	Accepted	2ms	508 KiB
		33	Accepted	4ms	316 KiB
		34	Accepted	52ms	2356 KiB
		35	Accepted	52ms	2304 KiB
		36	Accepted	68ms	2820 KiB
		37	Accepted	1ms	316 KiB
		38	Accepted	4ms	316 KiB
		39	Accepted	52ms	2516 KiB
		40	Accepted	172ms	5940 KiB
		41	Accepted	187ms	7476 KiB
		42	Accepted	342ms	12340 KiB
		43	Accepted	10ms	820 KiB
		44	Accepted	23ms	1456 KiB
		45	Accepted	35ms	1996 KiB
		46	Accepted	61ms	3116 KiB
		47	Accepted	90ms	4272 KiB
		48	Accepted	303ms	11308 KiB
		49	Accepted	592ms	17588 KiB
		50	Accepted	513ms	17724 KiB
		51	Accepted	435ms	18484 KiB
subtask6	20/20
		52	Accepted	330ms	12596 KiB
		53	Accepted	2ms	316 KiB
		54	Accepted	4ms	564 KiB
		55	Accepted	34ms	1844 KiB
		56	Accepted	199ms	8820 KiB
		57	Accepted	238ms	10416 KiB
		58	Accepted	305ms	12956 KiB
		59	Accepted	209ms	9268 KiB
		60	Accepted	212ms	9384 KiB
		61	Accepted	209ms	9252 KiB
		62	Accepted	217ms	9248 KiB
		63	Accepted	301ms	13620 KiB
subtask7	30/30
		64	Accepted	1ms	512 KiB
		65	Accepted	240ms	7220 KiB
		66	Accepted	1ms	500 KiB
		67	Accepted	1ms	500 KiB
		68	Accepted	1ms	508 KiB
		69	Accepted	2ms	400 KiB
		70	Accepted	1ms	316 KiB
		71	Accepted	2ms	316 KiB
		72	Accepted	4ms	316 KiB
		73	Accepted	52ms	2436 KiB
		74	Accepted	17ms	1076 KiB
		75	Accepted	330ms	12596 KiB
		76	Accepted	2ms	508 KiB
		77	Accepted	4ms	316 KiB
		78	Accepted	52ms	2356 KiB
		79	Accepted	52ms	2304 KiB
		80	Accepted	68ms	2820 KiB
		81	Accepted	1ms	316 KiB
		82	Accepted	4ms	316 KiB
		83	Accepted	52ms	2516 KiB
		84	Accepted	172ms	5940 KiB
		85	Accepted	187ms	7476 KiB
		86	Accepted	2ms	316 KiB
		87	Accepted	4ms	564 KiB
		88	Accepted	34ms	1844 KiB
		89	Accepted	199ms	8820 KiB
		90	Accepted	238ms	10416 KiB
		91	Accepted	305ms	12956 KiB
		92	Accepted	209ms	9268 KiB
		93	Accepted	212ms	9384 KiB
		94	Accepted	209ms	9252 KiB
		95	Accepted	217ms	9248 KiB
		96	Accepted	2ms	500 KiB
		97	Accepted	4ms	564 KiB
		98	Accepted	63ms	2672 KiB
		99	Accepted	214ms	6956 KiB
		100	Accepted	211ms	6820 KiB
		101	Accepted	1ms	316 KiB
		102	Accepted	4ms	564 KiB
		103	Accepted	65ms	2792 KiB
		104	Accepted	228ms	8640 KiB
		105	Accepted	229ms	8512 KiB
		106	Accepted	1ms	316 KiB
		107	Accepted	4ms	336 KiB
		108	Accepted	63ms	2612 KiB
		109	Accepted	319ms	9524 KiB
		110	Accepted	324ms	9524 KiB
		111	Accepted	1ms	316 KiB
		112	Accepted	4ms	564 KiB
		113	Accepted	65ms	2868 KiB
		114	Accepted	228ms	8640 KiB
		115	Accepted	358ms	13364 KiB
		116	Accepted	342ms	12340 KiB
		117	Accepted	10ms	820 KiB
		118	Accepted	23ms	1456 KiB
		119	Accepted	35ms	1996 KiB
		120	Accepted	61ms	3116 KiB
		121	Accepted	90ms	4272 KiB
		122	Accepted	303ms	11308 KiB
		123	Accepted	592ms	17588 KiB
		124	Accepted	513ms	17724 KiB
		125	Accepted	435ms	18484 KiB
		126	Accepted	301ms	13620 KiB