CSES - IZhO 2017, day 2

CSES - IZhO 2017, day 2 - Results

Submission details
Task:	Hard route
Sender:	Olli
Submission time:	2019-02-10 18:03:01 +0200
Language:	C++
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.02 s	1, 2, 3	details
#2	ACCEPTED	0.02 s	1, 2, 3	details
#3	ACCEPTED	0.02 s	1, 2, 3	details
#4	ACCEPTED	0.02 s	1, 2, 3	details
#5	ACCEPTED	0.02 s	1, 2, 3	details
#6	ACCEPTED	0.02 s	1, 2, 3	details
#7	WRONG ANSWER	0.04 s	1, 2, 3	details
#8	WRONG ANSWER	0.02 s	1, 2, 3	details
#9	WRONG ANSWER	0.03 s	1, 2, 3	details
#10	WRONG ANSWER	0.03 s	1, 2, 3	details
#11	WRONG ANSWER	0.03 s	1, 2, 3	details
#12	WRONG ANSWER	0.03 s	1, 2, 3	details
#13	WRONG ANSWER	0.03 s	1, 2, 3	details
#14	WRONG ANSWER	0.04 s	1, 2, 3	details
#15	WRONG ANSWER	0.02 s	1, 2, 3	details
#16	WRONG ANSWER	0.02 s	1, 2, 3	details
#17	WRONG ANSWER	0.01 s	1, 2, 3	details
#18	WRONG ANSWER	0.03 s	1, 2, 3	details
#19	WRONG ANSWER	0.01 s	1, 2, 3	details
#20	WRONG ANSWER	0.03 s	1, 2, 3	details
#21	WRONG ANSWER	0.02 s	1, 2, 3	details
#22	WRONG ANSWER	0.02 s	1, 2, 3	details
#23	WRONG ANSWER	0.02 s	1, 2, 3	details
#24	WRONG ANSWER	0.06 s	1, 2, 3	details
#25	RUNTIME ERROR	0.02 s	2, 3	details
#26	RUNTIME ERROR	0.02 s	2, 3	details
#27	RUNTIME ERROR	0.02 s	2, 3	details
#28	RUNTIME ERROR	0.02 s	2, 3	details
#29	RUNTIME ERROR	0.02 s	2, 3	details
#30	RUNTIME ERROR	0.02 s	2, 3	details
#31	RUNTIME ERROR	0.01 s	2, 3	details
#32	RUNTIME ERROR	0.01 s	2, 3	details
#33	RUNTIME ERROR	0.01 s	2, 3	details
#34	RUNTIME ERROR	0.01 s	2, 3	details
#35	RUNTIME ERROR	0.02 s	2, 3	details
#36	RUNTIME ERROR	0.02 s	2, 3	details
#37	RUNTIME ERROR	0.01 s	2, 3	details
#38	RUNTIME ERROR	0.02 s	2, 3	details
#39	RUNTIME ERROR	0.01 s	2, 3	details
#40	RUNTIME ERROR	0.02 s	2, 3	details
#41	RUNTIME ERROR	0.02 s	2, 3	details
#42	RUNTIME ERROR	0.01 s	2, 3	details
#43	RUNTIME ERROR	0.01 s	2, 3	details
#44	RUNTIME ERROR	0.02 s	2, 3	details
#45	RUNTIME ERROR	0.01 s	2, 3	details
#46	RUNTIME ERROR	0.02 s	2, 3	details
#47	RUNTIME ERROR	0.01 s	2, 3	details
#48	RUNTIME ERROR	0.01 s	2, 3	details
#49	RUNTIME ERROR	0.01 s	3	details
#50	RUNTIME ERROR	0.03 s	3	details
#51	RUNTIME ERROR	0.01 s	3	details
#52	RUNTIME ERROR	0.02 s	3	details
#53	RUNTIME ERROR	0.02 s	3	details
#54	RUNTIME ERROR	0.03 s	3	details
#55	RUNTIME ERROR	0.03 s	3	details
#56	RUNTIME ERROR	0.02 s	3	details
#57	RUNTIME ERROR	0.03 s	3	details
#58	RUNTIME ERROR	0.03 s	3	details
#59	RUNTIME ERROR	0.02 s	3	details
#60	RUNTIME ERROR	0.01 s	3	details
#61	RUNTIME ERROR	0.02 s	3	details
#62	RUNTIME ERROR	0.01 s	3	details
#63	RUNTIME ERROR	0.02 s	3	details
#64	RUNTIME ERROR	0.01 s	3	details
#65	RUNTIME ERROR	0.03 s	3	details
#66	RUNTIME ERROR	0.02 s	3	details
#67	RUNTIME ERROR	0.02 s	3	details
#68	RUNTIME ERROR	0.01 s	3	details
#69	RUNTIME ERROR	0.03 s	3	details
#70	RUNTIME ERROR	0.01 s	3	details
#71	RUNTIME ERROR	0.01 s	3	details
#72	RUNTIME ERROR	0.01 s	3	details
#73	RUNTIME ERROR	0.02 s	3	details
#74	RUNTIME ERROR	0.02 s	3	details
#75	RUNTIME ERROR	0.01 s	3	details
#76	RUNTIME ERROR	0.03 s	3	details
#77	RUNTIME ERROR	0.02 s	3	details
#78	RUNTIME ERROR	0.03 s	3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:49:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 0; j < g[a].size(); ++j) {
                  ~~^~~~~~~~~~~~~
input/code.cpp:92:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j = 0; j < rou.size(); ++j) {
                    ~~^~~~~~~~~~~~

Code

#include <iostream>
#include <vector>
#include <queue>

using namespace std;

const int N = 111;

int d[N][N];
int p[N];
int f[N][10];
int de[N];

vector<int> g[N];
bool s[N];
int lca(int a, int b) {
	if(de[a] > de[b]) {
		swap(a, b);
	}
	for(int bi = 10; bi >= 0; --bi) {
		int neD = de[b] - (1<<bi);
		if(neD < de[a]) continue;
		b = f[bi][b];
	}
	if(a == b) return a;
	for(int bi = 10; bi >= 0; --bi) {
		if(f[bi][a] == f[bi][b]) continue;
		a = f[bi][a];
		b = f[bi][b];
	}
	return p[a];
}

int main() {
	int n;
	cin >> n;
	for(int i = 1; i < n; ++i) {
		int a, b;
		cin >> a >> b;
		g[a].push_back(b);
		g[b].push_back(a);
	}
	queue<int> q;
	q.push(1);
	while(!q.empty()) {
		int a = q.front();
		q.pop();
		s[a] = true;
		for(int j = 0; j < g[a].size(); ++j) {
			int b = g[a][j];
			if(s[b]) continue;
			p[b] = a;
			f[0][b] = a;
			de[b] = de[a] + 1;
			q.push(b);
		}
	}

	f[0][1] = 1;

	for(int i = 1; i < 10; ++i) {
		for(int j = 1; j <= n; ++j) {
			f[i][j] = f[i-1][f[i-1][j]];
		}
	}

	for(int i = 1; i <= n; ++i) {
		for(int j = 1; j <= n; ++j) {
			d[i][j] = de[i] + de[j] - 2*de[lca(i, j)];
		}
	}

	int ma = 0;
	int am = 0;
	for(int a = 1; a <= n; ++a) {
		if(g[a].size() > 1) continue;
		for(int b = a+1; b <= n; ++b) {
			if(g[b].size() > 1) continue;
			int H = -1;
			int c = lca(a, b);
			vector<int> rou;
			for(int i = 1; i <= n; ++i) {
				if(lca(c, i) != c) continue;
				if(lca(a, i) == i) {
					rou.push_back(i);
				} else if (lca(b, i) == i) {
					rou.push_back(i);
				}
			}
			for(int i = 1; i <= n; ++i) {
				int mi = 1e9;
				for(int j = 0; j < rou.size(); ++j) {
					mi = min(mi, d[i][rou[j]]);
				}
				H = max(mi, H);
			}

			if(H*d[a][b] == ma) {
				++am;
			} else if (H*d[a][b] > ma) {
				ma = H*d[a][b];
				am = 1;
			}
		}
	}

	cout << ma << " " << am << "\n";

}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`7 1 2 1 3 2 4 2 5 ...` view save

correct output
`6 2` view save

user output
`6 2` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`4 1 2 2 3 2 4` view save

correct output
`2 3` view save

user output
`2 3` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 1 2 2 3 3 4 4 5` view save

correct output
`0 1` view save

user output
`0 1` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`3 2 1 3 1` view save

correct output
`0 1` view save

user output
`0 1` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`3 1 2 2 3` view save

correct output
`0 1` view save

user output
`0 1` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`2 1 2` view save

correct output
`0 1` view save

user output
`0 1` view save

Test 7

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 11 34 11 30 30 89 89 61 ...` view save

correct output
`510 9` view save

user output
`2115098112 12` view save

Test 8

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 84 10 10 46 46 41 84 14 ...` view save

correct output
`624 1` view save

user output
`2000000000 3` view save

Test 9

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 15 27 15 73 15 49 27 61 ...` view save

correct output
`624 2` view save

user output
`2000000000 24` view save

Test 10

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 41 49 41 2 49 5 49 87 ...` view save

correct output
`510 5` view save

user output
`2000000000 22` view save

Test 11

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 60 4 60 99 99 8 99 51 ...` view save

correct output
`676 2` view save

user output
`2115098112 31` view save

Test 12

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 21 54 21 51 51 42 51 46 ...` view save

correct output
`676 2` view save

user output
`2115098112 33` view save

Test 13

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 43 96 43 99 99 100 99 87 ...` view save

correct output
`676 2` view save

user output
`2115098112 26` view save

Test 14

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 89 92 89 61 61 18 61 32 ...` view save

correct output
`676 2` view save

user output
`2115098112 41` view save

Test 15

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 14 46 46 42 42 57 57 71 ...` view save

correct output
`1836 1` view save

user output
`2115098112 1` view save

Test 16

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 11 15 15 100 100 70 70 92 ...` view save

correct output
`1836 1` view save

user output
`2000000000 3` view save

Test 17

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 22 66 66 72 72 20 20 80 ...` view save

correct output
`1836 1` view save

user output
`2000000000 1` view save

Test 18

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 19 70 70 11 11 92 92 14 ...` view save

correct output
`1836 1` view save

user output
`2000000000 3` view save

Test 19

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 100 42 36 11 20 93 58 27 ...` view save

correct output
`0 1` view save

user output
`0 0` view save

Test 20

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`99 71 50 32 52 3 67 54 89 ...` view save

correct output
`0 1` view save

user output
`0 0` view save

Test 21

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`97 86 30 35 43 24 46 67 28 ...` view save

correct output
`1152 6` view save

user output
`2000000000 1` view save

Test 22

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`96 9 10 76 49 51 21 49 30 ...` view save

correct output
`722 10` view save

user output
`2000000000 1` view save

Test 23

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`92 46 14 70 32 2 73 85 92 ...` view save

correct output
`98 78` view save

user output
`2000000000 31` view save

Test 24

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 84 77 38 77 77 93 77 18 ...` view save

correct output
`2 4851` view save

user output
`2000000000 3126` view save

Test 25

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 108 1090 1090 116 108 2557 108 790 ...` view save

correct output
`77624 1` view save

user output
(empty)

Test 26

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 1726 3190 3190 4781 4781 2577 1726 1933 ...` view save

correct output
`75180 3` view save

user output
(empty)

Test 27

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 238 3015 238 3788 3015 763 238 3952 ...` view save

correct output
`67689 3` view save

user output
(empty)

Test 28

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 3811 1893 3811 792 3811 3788 3811 4838 ...` view save

correct output
`75030 3` view save

user output
(empty)

Test 29

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 168 3267 168 4697 4697 4099 4697 4154 ...` view save

correct output
`1565001 2` view save

user output
(empty)

Test 30

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 3018 2323 3018 1644 1644 3826 1644 4180 ...` view save

correct output
`1565001 2` view save

user output
(empty)

Test 31

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 1832 3776 1832 4436 4436 1337 4436 567 ...` view save

correct output
`1565001 2` view save

user output
(empty)

Test 32

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 1991 3088 1991 1990 1990 2727 1990 2434 ...` view save

correct output
`1565001 2` view save

user output
(empty)

Test 33

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 3243 2207 2207 438 438 2783 2783 2291 ...` view save

correct output
`4686874 1` view save

user output
(empty)

Test 34

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 4248 2685 2685 175 175 1190 1190 2024 ...` view save

correct output
`4686874 1` view save

user output
(empty)

Test 35

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 2112 1534 1534 1558 1558 2262 2262 1975 ...` view save

correct output
`4686874 1` view save

user output
(empty)

Test 36

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 1235 1454 1454 1062 1062 1744 1744 1205 ...` view save

correct output
`4686874 1` view save

user output
(empty)

Test 37

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 560 803 899 2803 1090 1035 2285 3211 ...` view save

correct output
`0 1` view save

user output
(empty)

Test 38

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4999 1383 1758 1838 1884 2107 2408 3122 4088 ...` view save

correct output
`0 1` view save

user output
(empty)

Test 39

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4996 801 2061 2383 3017 373 355 840 3390 ...` view save

correct output
`1996002 10` view save

user output
(empty)

Test 40

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4991 3918 3416 1976 3997 224 3763 3172 1918 ...` view save

correct output
`498002 45` view save

user output
(empty)

Test 41

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4981 60 2930 1298 4348 1072 4876 4723 4797 ...` view save

correct output
`124002 190` view save

user output
(empty)

Test 42

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4951 3627 2151 3944 2165 4490 1736 523 2250 ...` view save

correct output
`19602 1225` view save

user output
(empty)

Test 43

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4901 1370 139 1739 2587 4146 1261 2596 593 ...` view save

correct output
`4802 4950` view save

user output
(empty)

Test 44

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4801 179 2101 3727 3495 1902 2186 1615 2717 ...` view save

correct output
`1152 19900` view save

user output
(empty)

Test 45

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4501 2688 2899 1416 818 1286 172 2063 3468 ...` view save

correct output
`162 124750` view save

user output
(empty)

Test 46

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4001 918 3204 3346 1093 1424 2131 461 988 ...` view save

correct output
`32 499500` view save

user output
(empty)

Test 47

Group: 2, 3

Verdict: RUNTIME ERROR

input
`4801 3830 1737 2705 4747 3609 1236 4010 3243 ...` view save

correct output
`8 2878800` view save

user output
(empty)

Test 48

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5000 1229 3771 3771 722 3625 3771 1466 3771 ...` view save

correct output
`2 12492501` view save

user output
(empty)

Test 49

Group: 3

Verdict: RUNTIME ERROR

input
`500000 389924 57822 57822 217726 57822 139251 389924 399958 ...` view save

correct output
`13000624 8` view save

user output
(empty)

Test 50

Group: 3

Verdict: RUNTIME ERROR

input
`500000 118786 47756 47756 169958 118786 446268 47756 148195 ...` view save

correct output
`14000392 7` view save

user output
(empty)

Test 51

Group: 3

Verdict: RUNTIME ERROR

input
`500000 129573 222254 222254 126962 222254 118174 126962 228147 ...` view save

correct output
`13250477 3` view save

user output
(empty)

Test 52

Group: 3

Verdict: RUNTIME ERROR

input
`500000 161686 403260 161686 255571 161686 38129 161686 471358 ...` view save

correct output
`13000260 8` view save

user output
(empty)

Test 53

Group: 3

Verdict: RUNTIME ERROR

input
`500000 211000 360323 211000 25161 25161 410825 25161 228266 ...` view save

correct output
`15625250001 2` view save

user output
(empty)

Test 54

Group: 3

Verdict: RUNTIME ERROR

input
`500000 229975 245878 229975 381069 381069 235752 381069 281659 ...` view save

correct output
`15625250001 2` view save

user output
(empty)

Test 55

Group: 3

Verdict: RUNTIME ERROR

input
`500000 339362 207756 339362 329523 329523 104875 329523 406705 ...` view save

correct output
`15625250001 2` view save

user output
(empty)

Test 56

Group: 3

Verdict: RUNTIME ERROR

input
`500000 177180 20224 177180 489549 489549 272251 489549 366798 ...` view save

correct output
`15625250001 2` view save

user output
(empty)

Test 57

Group: 3

Verdict: RUNTIME ERROR

input
`500000 441050 365574 365574 260480 260480 489676 489676 475065 ...` view save

correct output
`46874937499 1` view save

user output
(empty)

Test 58

Group: 3

Verdict: RUNTIME ERROR

input
`500000 441371 336553 336553 486568 486568 295839 295839 244926 ...` view save

correct output
`46874937499 1` view save

user output
(empty)

Test 59

Group: 3

Verdict: RUNTIME ERROR

input
`500000 140194 178993 178993 120975 120975 81556 81556 124409 ...` view save

correct output
`46874937499 1` view save

user output
(empty)

Test 60

Group: 3

Verdict: RUNTIME ERROR

input
`500000 476177 228555 228555 180476 180476 183974 183974 333290 ...` view save

correct output
`46874937499 1` view save

user output
(empty)

Test 61

Group: 3

Verdict: RUNTIME ERROR

input
`500000 470750 387879 417836 311762 342966 141634 406354 25179 ...` view save

correct output
`0 1` view save

user output
(empty)

Test 62

Group: 3

Verdict: RUNTIME ERROR

input
`499999 494831 301936 134173 372968 341642 209941 69019 60029 ...` view save

correct output
`0 1` view save

user output
(empty)

Test 63

Group: 3

Verdict: RUNTIME ERROR

input
`499996 458465 327411 334721 342076 281173 482634 174786 302877 ...` view save

correct output
`19999600002 10` view save

user output
(empty)

Test 64

Group: 3

Verdict: RUNTIME ERROR

input
`499991 469217 60234 337422 32098 391126 410047 250380 490453 ...` view save

correct output
`4999800002 45` view save

user output
(empty)

Test 65

Group: 3

Verdict: RUNTIME ERROR

input
`499981 86341 52816 87685 124628 264008 93843 215407 204482 ...` view save

correct output
`1249900002 190` view save

user output
(empty)

Test 66

Group: 3

Verdict: RUNTIME ERROR

input
`499951 173074 102553 4605 467972 179848 239784 41864 483920 ...` view save

correct output
`199960002 1225` view save

user output
(empty)

Test 67

Group: 3

Verdict: RUNTIME ERROR

input
`499901 331534 159654 354263 417447 456398 336456 145925 93463 ...` view save

correct output
`49980002 4950` view save

user output
(empty)

Test 68

Group: 3

Verdict: RUNTIME ERROR

input
`499801 316655 31406 375271 253377 207046 406296 261469 73474 ...` view save

correct output
`12490002 19900` view save

user output
(empty)

Test 69

Group: 3

Verdict: RUNTIME ERROR

input
`499501 181530 1562 425296 130234 77519 429847 246899 62810 ...` view save

correct output
`1996002 124750` view save

user output
(empty)

Test 70

Group: 3

Verdict: RUNTIME ERROR

input
`499001 119240 366053 80890 350931 299626 85851 452737 458125 ...` view save

correct output
`498002 499500` view save

user output
(empty)

Test 71

Group: 3

Verdict: RUNTIME ERROR

input
`497752 249959 43805 53866 407731 480579 76517 310033 271411 ...` view save

correct output
`124002 1997001` view save

user output
(empty)

Test 72

Group: 3

Verdict: RUNTIME ERROR

input
`499801 311 302621 77322 218171 439178 122797 52421 371940 ...` view save

correct output
`80000 3121251` view save

user output
(empty)

Test 73

Group: 3

Verdict: RUNTIME ERROR

input
`499951 15992 79636 154669 481782 18867 429430 314460 363528 ...` view save

correct output
`5000 49985001` view save

user output
(empty)

Test 74

Group: 3

Verdict: RUNTIME ERROR

input
`499976 119557 332930 223497 192866 12074 112412 294767 451558 ...` view save

correct output
`1250 199970001` view save

user output
(empty)

Test 75

Group: 3

Verdict: RUNTIME ERROR

input
`499991 420903 56414 2049 265308 289486 285688 134149 205864 ...` view save

correct output
`200 1249925001` view save

user output
(empty)

Test 76

Group: 3

Verdict: RUNTIME ERROR

input
`499996 470165 235699 439599 455312 471414 301440 133301 186718 ...` view save

correct output
`50 4999850001` view save

user output
(empty)

Test 77

Group: 3

Verdict: RUNTIME ERROR

input
`499999 354863 105878 6441 294653 154672 62081 62081 336952 ...` view save

correct output
`8 31249625001` view save

user output
(empty)

Test 78

Group: 3

Verdict: RUNTIME ERROR

input
`500000 465618 25628 465618 443811 320366 465618 465618 382392 ...` view save

correct output
`2 124999250001` view save

user output
(empty)

IZhO 2017, day 2

Hard route

Compiler report

Code

Test details

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