Submission #17,585

2025-08-05 06:18:15

cpp17

Accepted 100/100

61ms

4672 KiB

#include <bits/stdc++.h>
using namespace std;
const int c=500005;
int n, m, k, cnt, ki[c];
int holvan(int a) {
    return (ki[a] ? ki[a]=holvan(ki[a]) : a);
}
bool unio(int a, int b) {
    a=holvan(a), b=holvan(b);
    if (a!=b) {
        ki[a]=b;
        return true;
    }
    return false;
}
int main() {
	ios_base::sync_with_stdio(false);
    cin >> n >> m >> k;
    for (int i=1; i<=k; i++) {
        int a, b;
        cin >> a >> b;
        b+=n;
        cnt+=unio(a, b);
    }
    cout << n+m-1-cnt << "\n";
}

	Sum	Test	Verdict	Time	Memory
0	0/0
		1	Accepted	1ms	316 KiB
		2	Accepted	1ms	316 KiB
		3	Accepted	1ms	512 KiB
1	10/10
		4	Accepted	1ms	564 KiB
		5	Accepted	1ms	316 KiB
		6	Accepted	1ms	316 KiB
		7	Accepted	1ms	556 KiB
		8	Accepted	1ms	316 KiB
		9	Accepted	1ms	516 KiB
		10	Accepted	1ms	508 KiB
		11	Accepted	1ms	316 KiB
		12	Accepted	1ms	432 KiB
		13	Accepted	1ms	316 KiB
		14	Accepted	1ms	316 KiB
		15	Accepted	1ms	316 KiB
		16	Accepted	1ms	508 KiB
		17	Accepted	1ms	564 KiB
		18	Accepted	1ms	316 KiB
		19	Accepted	1ms	316 KiB
2	8/8
		20	Accepted	1ms	316 KiB
		21	Accepted	1ms	316 KiB
		22	Accepted	1ms	316 KiB
		23	Accepted	1ms	316 KiB
		24	Accepted	1ms	500 KiB
		25	Accepted	1ms	316 KiB
		26	Accepted	1ms	316 KiB
3	9/9
		27	Accepted	1ms	316 KiB
		28	Accepted	1ms	316 KiB
		29	Accepted	1ms	316 KiB
		30	Accepted	1ms	316 KiB
		31	Accepted	1ms	316 KiB
4	8/8
		32	Accepted	1ms	316 KiB
		33	Accepted	1ms	564 KiB
		34	Accepted	1ms	316 KiB
		35	Accepted	1ms	352 KiB
		36	Accepted	1ms	316 KiB
		37	Accepted	1ms	316 KiB
		38	Accepted	1ms	316 KiB
5	20/20
		39	Accepted	1ms	316 KiB
		40	Accepted	1ms	328 KiB
		41	Accepted	1ms	316 KiB
		42	Accepted	1ms	316 KiB
		43	Accepted	1ms	496 KiB
		44	Accepted	1ms	500 KiB
		45	Accepted	1ms	316 KiB
		46	Accepted	1ms	316 KiB
		47	Accepted	1ms	316 KiB
		48	Accepted	1ms	400 KiB
		49	Accepted	1ms	316 KiB
		50	Accepted	1ms	316 KiB
		51	Accepted	1ms	376 KiB
		52	Accepted	1ms	316 KiB
		53	Accepted	1ms	556 KiB
		54	Accepted	1ms	316 KiB
		55	Accepted	1ms	316 KiB
		56	Accepted	1ms	316 KiB
		57	Accepted	1ms	316 KiB
		58	Accepted	1ms	316 KiB
		59	Accepted	1ms	316 KiB
		60	Accepted	1ms	436 KiB
		61	Accepted	1ms	532 KiB
		62	Accepted	1ms	500 KiB
		63	Accepted	1ms	548 KiB
		64	Accepted	1ms	316 KiB
		65	Accepted	1ms	556 KiB
		66	Accepted	1ms	508 KiB
		67	Accepted	1ms	316 KiB
6	10/10
		68	Accepted	1ms	316 KiB
		69	Accepted	1ms	508 KiB
		70	Accepted	1ms	316 KiB
		71	Accepted	1ms	316 KiB
		72	Accepted	1ms	628 KiB
		73	Accepted	1ms	316 KiB
		74	Accepted	1ms	316 KiB
		75	Accepted	3ms	316 KiB
		76	Accepted	1ms	316 KiB
		77	Accepted	1ms	316 KiB
		78	Accepted	1ms	316 KiB
		79	Accepted	1ms	316 KiB
		80	Accepted	1ms	508 KiB
		81	Accepted	1ms	316 KiB
		82	Accepted	1ms	316 KiB
		83	Accepted	1ms	316 KiB
		84	Accepted	1ms	328 KiB
		85	Accepted	1ms	344 KiB
		86	Accepted	1ms	328 KiB
		87	Accepted	1ms	372 KiB
		88	Accepted	1ms	328 KiB
		89	Accepted	1ms	328 KiB
7	10/10
		90	Accepted	1ms	328 KiB
		91	Accepted	7ms	576 KiB
		92	Accepted	1ms	328 KiB
		93	Accepted	1ms	328 KiB
		94	Accepted	1ms	328 KiB
		95	Accepted	1ms	328 KiB
		96	Accepted	1ms	328 KiB
		97	Accepted	1ms	500 KiB
		98	Accepted	1ms	568 KiB
		99	Accepted	1ms	404 KiB
		100	Accepted	1ms	328 KiB
		101	Accepted	1ms	328 KiB
		102	Accepted	1ms	584 KiB
		103	Accepted	1ms	328 KiB
		104	Accepted	1ms	328 KiB
		105	Accepted	1ms	568 KiB
		106	Accepted	1ms	328 KiB
		107	Accepted	1ms	328 KiB
		108	Accepted	1ms	328 KiB
		109	Accepted	1ms	328 KiB
		110	Accepted	1ms	500 KiB
		111	Accepted	1ms	448 KiB
		112	Accepted	1ms	508 KiB
		113	Accepted	1ms	328 KiB
8	10/10
		114	Accepted	26ms	1400 KiB
		115	Accepted	12ms	792 KiB
		116	Accepted	13ms	724 KiB
		117	Accepted	4ms	756 KiB
		118	Accepted	4ms	712 KiB
		119	Accepted	4ms	704 KiB
		120	Accepted	3ms	576 KiB
		121	Accepted	3ms	576 KiB
		122	Accepted	3ms	576 KiB
		123	Accepted	3ms	328 KiB
		124	Accepted	23ms	1388 KiB
		125	Accepted	23ms	1524 KiB
		126	Accepted	21ms	1512 KiB
		127	Accepted	23ms	1508 KiB
		128	Accepted	6ms	636 KiB
		129	Accepted	3ms	508 KiB
		130	Accepted	3ms	328 KiB
		131	Accepted	1ms	328 KiB
		132	Accepted	1ms	328 KiB
		133	Accepted	1ms	328 KiB
		134	Accepted	1ms	396 KiB
		135	Accepted	6ms	576 KiB
		136	Accepted	3ms	592 KiB
		137	Accepted	3ms	576 KiB
		138	Accepted	3ms	576 KiB
		139	Accepted	3ms	460 KiB
9	15/15
		140	Accepted	61ms	4672 KiB
		141	Accepted	29ms	3136 KiB
		142	Accepted	2ms	1088 KiB
		143	Accepted	1ms	328 KiB
		144	Accepted	1ms	508 KiB
		145	Accepted	52ms	3648 KiB
		146	Accepted	26ms	1836 KiB
		147	Accepted	1ms	328 KiB
		148	Accepted	1ms	340 KiB
		149	Accepted	4ms	1324 KiB
		150	Accepted	4ms	1320 KiB
		151	Accepted	54ms	2796 KiB
		152	Accepted	46ms	3552 KiB
		153	Accepted	52ms	3652 KiB
		154	Accepted	52ms	3896 KiB
		155	Accepted	23ms	1836 KiB
		156	Accepted	52ms	3648 KiB
		157	Accepted	54ms	3924 KiB
		158	Accepted	54ms	3776 KiB
		159	Accepted	50ms	3392 KiB
		160	Accepted	25ms	1968 KiB
		161	Accepted	52ms	3392 KiB
		162	Accepted	26ms	1844 KiB
		163	Accepted	25ms	1836 KiB
		164	Accepted	52ms	3764 KiB
		165	Accepted	56ms	3836 KiB
		166	Accepted	48ms	3648 KiB
		167	Accepted	52ms	3904 KiB