QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#116759 | #5545. Contingency Plan | berarchegas# | WA | 36ms | 11424kb | C++17 | 2.7kb | 2023-06-30 02:03:50 | 2023-06-30 02:03:53 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
mt19937 rng((int) chrono::steady_clock::now().time_since_epoch().count());
const int MOD = 1e9 + 7;
const int MAXN = 1e5 + 5;
const ll INF = 2e18;
vector<int> v[MAXN];
int n;
pii bfs(int node) {
queue<pii> q;
vector<int> check(n+1);
check[node] = 1;
q.push({node, 0});
int resp = 0, fim = node;
while (!q.empty()) {
pii atual = q.front();
q.pop();
for (int x : v[atual.first]) {
if (!check[x]) {
check[x] = 1;
q.push({x, atual.second+1});
if (atual.second + 1 > resp) {
resp = atual.second + 1;
fim = x;
}
}
}
}
return {resp, fim};
}
int pai[MAXN], mark[MAXN];
void dfs(int node, int p) {
pai[node] = p;
for (int x : v[node]) {
if (x != p) dfs(x, node);
}
}
vector<pii> ed;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int a, b;
cin >> n;
for (int i = 0; i < n - 1; i++) {
cin >> a >> b;
ed.push_back({a, b});
v[a].push_back(b);
v[b].push_back(a);
}
int root = bfs(1).second, filho;
int diametro = bfs(root).first;
int fim = bfs(root).second;
if (diametro <= 2) {
cout << "-1\n";
return 0;
}
dfs(root, 0);
for (int i = 1; i <= n; i++) {
if (pai[i] == root) filho = i;
}
for (int i = 0; i < n - 1; i++) {
if (pai[ed[i].first] == ed[i].second) swap(ed[i].first, ed[i].second);
}
int x = fim;
while (x != root) {
mark[x] = 1;
x = pai[x];
}
bool ja = false, inv = false;
for (int i = 0; i < n - 1; i++) {
a = ed[i].first, b = ed[i].second;
if (!ja) {
if (mark[b]) {
ja = true;
if (b == filho) {
inv = true;
cout << a << ' ' << fim << '\n';
}
else {
inv = false;
cout << b << ' ' << root << '\n';
}
}
else {
cout << b << ' ' << root << '\n';
}
}
else {
if (inv) {
if (a == filho) {
cout << a << ' ' << fim << '\n';
}
else {
cout << a << ' ' << root << '\n';
}
}
else {
if (b == filho) {
cout << b << ' ' << fim << '\n';
}
else {
cout << b << ' ' << root << '\n';
}
}
}
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 5820kb
input:
7 1 2 3 7 2 4 2 5 1 3 3 6
output:
1 4 7 4 2 7 5 4 3 4 6 4
result:
ok AC
Test #2:
score: 0
Accepted
time: 2ms
memory: 5824kb
input:
3 1 2 2 3
output:
-1
result:
ok AC
Test #3:
score: 0
Accepted
time: 0ms
memory: 5796kb
input:
2 2 1
output:
-1
result:
ok AC
Test #4:
score: 0
Accepted
time: 2ms
memory: 5828kb
input:
5 2 1 2 3 2 4 4 5
output:
1 5 3 5 2 5 4 1
result:
ok AC
Test #5:
score: 0
Accepted
time: 2ms
memory: 5860kb
input:
5 1 4 3 4 4 5 2 5
output:
1 2 3 2 4 2 5 1
result:
ok AC
Test #6:
score: 0
Accepted
time: 2ms
memory: 5824kb
input:
5 5 2 1 2 4 2 3 4
output:
5 3 1 3 2 3 4 5
result:
ok AC
Test #7:
score: 0
Accepted
time: 6ms
memory: 6872kb
input:
20000 1 2 1 3 4 1 5 1 6 1 7 1 1 8 1 9 1 10 1 11 12 1 1 13 14 1 1 15 1 16 17 1 1 18 1 19 20 1 21 1 22 1 1 23 24 1 1 25 26 1 1 27 28 1 29 1 30 1 1 31 1 32 1 33 1 34 1 35 36 1 1 37 1 38 1 39 40 1 41 1 1 42 1 43 44 1 1 45 46 1 1 47 48 1 49 1 1 50 1 51 52 1 53 1 54 1 1 55 56 1 57 1 58 1 1 59 60 1 61 1 1 ...
output:
2 20000 3 20000 4 20000 5 20000 6 20000 7 20000 8 20000 9 20000 10 20000 11 20000 12 20000 13 20000 14 20000 15 20000 16 20000 17 20000 18 20000 19 20000 20 20000 21 20000 22 20000 23 20000 24 20000 25 20000 26 20000 27 20000 28 20000 29 20000 30 20000 31 20000 32 20000 33 20000 34 20000 35 20000 36...
result:
ok AC
Test #8:
score: 0
Accepted
time: 4ms
memory: 6880kb
input:
20000 7662 1 9205 1 5971 1 1 9886 1 18853 14108 1 998 1 1 14958 7100 1 1 2670 1 18493 13838 1 4644 1 2139 1 1 18540 1 14081 1 16836 1 9357 245 1 242 1 1 13472 1 1471 3792 1 1 17875 13976 1 1 15085 1 17283 15014 1 17477 1 11578 1 18441 1 1 14367 3018 1 1 7186 1 4939 2470 1 2993 1 6175 1 1 19886 1 125...
output:
7662 17029 9205 17029 5971 17029 9886 17029 18853 17029 14108 17029 998 17029 14958 17029 7100 17029 2670 17029 18493 17029 13838 17029 4644 17029 2139 17029 18540 17029 14081 17029 16836 17029 9357 17029 245 17029 242 17029 13472 17029 1471 17029 3792 17029 17875 17029 13976 17029 15085 17029 17283...
result:
ok AC
Test #9:
score: 0
Accepted
time: 4ms
memory: 6904kb
input:
20000 8854 1 15635 1 8088 1 1 12138 12367 1 1 15051 6392 1 15564 1 17334 1 1 10164 8704 1 1 13795 1 10292 12108 1 1 50 4 1 1 18364 13341 1 19203 1 1 3017 1 5133 3499 1 19202 1 1 10304 12975 1 1 17220 1 1716 1 4158 1 16763 1 301 1 16645 8690 1 1 10064 16977 1 1 19618 1 5471 1 8763 3997 1 1 3283 11332...
output:
8854 18216 15635 18216 8088 18216 12138 18216 12367 18216 15051 18216 6392 18216 15564 18216 17334 18216 10164 18216 8704 18216 13795 18216 10292 18216 12108 18216 50 18216 4 18216 18364 18216 13341 18216 19203 18216 3017 18216 5133 18216 3499 18216 19202 18216 10304 18216 12975 18216 17220 18216 17...
result:
ok AC
Test #10:
score: 0
Accepted
time: 3ms
memory: 6900kb
input:
20000 1 2 2 3 4 2 2 5 2 6 2 7 2 8 9 2 10 2 2 11 12 2 2 13 14 2 2 15 2 16 17 2 2 18 19 2 20 2 2 21 22 2 2 23 24 2 2 25 26 2 2 27 2 28 29 2 30 2 2 31 2 32 2 33 2 34 35 2 36 2 37 2 38 2 2 39 40 2 2 41 42 2 43 2 2 44 45 2 46 2 2 47 2 48 2 49 50 2 51 2 2 52 2 53 54 2 55 2 56 2 57 2 2 58 2 59 60 2 61 2 2 ...
output:
1 20000 3 20000 4 20000 5 20000 6 20000 7 20000 8 20000 9 20000 10 20000 11 20000 12 20000 13 20000 14 20000 15 20000 16 20000 17 20000 18 20000 19 20000 20 20000 21 20000 22 20000 23 20000 24 20000 25 20000 26 20000 27 20000 28 20000 29 20000 30 20000 31 20000 32 20000 33 20000 34 20000 35 20000 36...
result:
ok AC
Test #11:
score: 0
Accepted
time: 8ms
memory: 6880kb
input:
20000 1 13291 13291 19998 3314 13291 13291 3339 13291 10237 13244 13291 13291 3392 13291 4459 13291 17335 13291 10356 6124 13291 13291 4470 12896 13291 13291 12094 3309 13291 13319 13291 13291 15658 13291 2305 13291 13710 13291 16520 13291 16234 6697 13291 13291 6686 9187 13291 13291 43 13291 2764 1...
output:
1 19555 19998 19555 3314 19555 3339 19555 10237 19555 13244 19555 3392 19555 4459 19555 17335 19555 10356 19555 6124 19555 4470 19555 12896 19555 12094 19555 3309 19555 13319 19555 15658 19555 2305 19555 13710 19555 16520 19555 16234 19555 6697 19555 6686 19555 9187 19555 43 19555 2764 19555 9061 19...
result:
ok AC
Test #12:
score: 0
Accepted
time: 4ms
memory: 6824kb
input:
20000 4030 5565 1206 5565 5565 8947 4887 5565 14605 5565 5565 2947 5565 9038 5565 5326 5565 9021 11087 5565 5565 19562 895 5565 14653 5565 5565 10803 5565 9750 5565 16331 4689 5565 14307 5565 11631 5565 5565 13244 10554 5565 8112 5565 5565 9394 5565 5945 15279 5565 5565 15512 1334 5565 5565 6025 556...
output:
4030 9353 1206 9353 8947 9353 4887 9353 14605 9353 2947 9353 9038 9353 5326 9353 9021 9353 11087 9353 19562 9353 895 9353 14653 9353 10803 9353 9750 9353 16331 9353 4689 9353 14307 9353 11631 9353 13244 9353 10554 9353 8112 9353 9394 9353 5945 9353 15279 9353 15512 9353 1334 9353 6025 9353 19566 935...
result:
ok AC
Test #13:
score: 0
Accepted
time: 24ms
memory: 11420kb
input:
100000 1 2 3 1 1 4 5 1 1 6 1 7 1 8 1 9 10 1 1 11 1 12 13 1 1 14 1 15 16 1 17 1 18 1 1 19 1 20 1 21 1 22 1 23 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 1 32 33 1 34 1 35 1 36 1 37 1 1 38 1 39 1 40 1 41 1 42 43 1 1 44 45 1 1 46 1 47 48 1 49 1 1 50 51 1 52 1 53 1 54 1 1 55 56 1 57 1 58 1 59 1 60 1 1 61 1...
output:
2 100000 3 100000 4 100000 5 100000 6 100000 7 100000 8 100000 9 100000 10 100000 11 100000 12 100000 13 100000 14 100000 15 100000 16 100000 17 100000 18 100000 19 100000 20 100000 21 100000 22 100000 23 100000 24 100000 25 100000 26 100000 27 100000 28 100000 29 100000 30 100000 31 100000 32 10000...
result:
ok AC
Test #14:
score: 0
Accepted
time: 2ms
memory: 5832kb
input:
5 2 1 3 2 4 3 5 4
output:
1 5 2 5 3 5 4 1
result:
ok AC
Test #15:
score: 0
Accepted
time: 30ms
memory: 11344kb
input:
100000 21871 1 13678 1 27196 1 70437 1 1 35891 1 43010 28018 1 1 64489 61157 1 1 35572 1 41613 1 73049 93865 1 83507 1 1 92127 86278 1 1 15004 1 44154 2005 1 1 94210 41410 1 1 5886 69836 1 1 24120 1 80802 1 9940 66220 1 66549 1 1 20103 1 5 1 33021 35482 1 76185 1 34850 1 1 55173 1 72488 1 76286 1 99...
output:
21871 99803 13678 99803 27196 99803 70437 99803 35891 99803 43010 99803 28018 99803 64489 99803 61157 99803 35572 99803 41613 99803 73049 99803 93865 99803 83507 99803 92127 99803 86278 99803 15004 99803 44154 99803 2005 99803 94210 99803 41410 99803 5886 99803 69836 99803 24120 99803 80802 99803 99...
result:
ok AC
Test #16:
score: 0
Accepted
time: 28ms
memory: 11304kb
input:
100000 1 12976 28108 1 87682 1 79359 1 16128 1 1 90652 1 55874 27276 1 1 66899 1 10296 1 37870 1 78978 26221 1 28589 1 1 46430 32252 1 22407 1 68230 1 64944 1 1 53457 31023 1 1 57101 1 82578 1 33273 69683 1 64357 1 1 32517 1 45623 1 29497 41082 1 1 43731 1 28620 1 64304 1 23462 1 81982 1 91877 1 309...
output:
12976 78172 28108 78172 87682 78172 79359 78172 16128 78172 90652 78172 55874 78172 27276 78172 66899 78172 10296 78172 37870 78172 78978 78172 26221 78172 28589 78172 46430 78172 32252 78172 22407 78172 68230 78172 64944 78172 53457 78172 31023 78172 57101 78172 82578 78172 33273 78172 69683 78172 ...
result:
ok AC
Test #17:
score: 0
Accepted
time: 12ms
memory: 11284kb
input:
100000 1 2 2 3 4 2 5 2 2 6 7 2 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 16 2 2 17 18 2 19 2 20 2 21 2 2 22 23 2 24 2 2 25 2 26 27 2 28 2 29 2 30 2 2 31 32 2 2 33 34 2 35 2 2 36 2 37 38 2 2 39 40 2 2 41 42 2 43 2 44 2 45 2 2 46 47 2 2 48 49 2 50 2 2 51 2 52 2 53 2 54 2 55 56 2 2 57 58 2 59 2 60 2 61 2 6...
output:
1 100000 3 100000 4 100000 5 100000 6 100000 7 100000 8 100000 9 100000 10 100000 11 100000 12 100000 13 100000 14 100000 15 100000 16 100000 17 100000 18 100000 19 100000 20 100000 21 100000 22 100000 23 100000 24 100000 25 100000 26 100000 27 100000 28 100000 29 100000 30 100000 31 100000 32 10000...
result:
ok AC
Test #18:
score: 0
Accepted
time: 29ms
memory: 11424kb
input:
100000 15924 1 13919 15924 86413 15924 15924 78418 36904 15924 15924 60478 15924 78563 15924 23855 63531 15924 15574 15924 73713 15924 62532 15924 15924 19461 15924 80750 15924 57012 15924 27046 55780 15924 69619 15924 58970 15924 65824 15924 15924 3195 26782 15924 71411 15924 84915 15924 95347 1592...
output:
1 26907 13919 26907 86413 26907 78418 26907 36904 26907 60478 26907 78563 26907 23855 26907 63531 26907 15574 26907 73713 26907 62532 26907 19461 26907 80750 26907 57012 26907 27046 26907 55780 26907 69619 26907 58970 26907 65824 26907 3195 26907 26782 26907 71411 26907 84915 26907 95347 26907 53739...
result:
ok AC
Test #19:
score: 0
Accepted
time: 36ms
memory: 11308kb
input:
100000 40659 47250 51514 40659 40659 83613 16333 40659 25291 40659 40659 61711 40659 37621 40659 66805 40659 59550 67744 40659 40659 46644 40659 21771 40659 98164 40659 6655 75053 40659 90431 40659 40659 58023 48769 40659 11506 40659 19125 40659 52852 40659 98702 40659 53360 40659 40659 3999 66767 4...
output:
47250 86919 51514 86919 83613 86919 16333 86919 25291 86919 61711 86919 37621 86919 66805 86919 59550 86919 67744 86919 46644 86919 21771 86919 98164 86919 6655 86919 75053 86919 90431 86919 58023 86919 48769 86919 11506 86919 19125 86919 52852 86919 98702 86919 53360 86919 3999 86919 66767 86919 82...
result:
ok AC
Test #20:
score: 0
Accepted
time: 8ms
memory: 7064kb
input:
20000 13211 1 1 10767 13211 16998 13211 495 10767 7635 10767 6994 10669 16998 1369 16998 495 4745 722 495 7635 251 3552 7635 7267 6994 6994 1772 10669 18929 10669 9328 3076 1369 1369 14212 4745 284 4745 9599 722 6137 722 10565 15137 251 5349 251 16431 3552 3552 15719 7267 10917 598 7267 19533 1772 1...
output:
1 12158 10767 12158 13211 12158 495 12158 7635 12158 6994 12158 16998 12158 1369 12158 4745 12158 722 12158 251 12158 3552 12158 7267 12158 1772 12158 10669 12158 9328 12158 3076 12158 14212 12158 284 12158 9599 12158 6137 12158 10565 12158 15137 12158 5349 12158 16431 12158 15719 12158 10917 12158 ...
result:
ok AC
Test #21:
score: 0
Accepted
time: 2ms
memory: 7056kb
input:
20000 11262 14400 16805 2790 19084 11979 15259 5949 9916 12236 2445 1637 1905 15141 9540 16655 12812 16186 19052 1523 6643 1443 13738 10091 9218 1337 16617 16436 17295 16466 1171 1217 19150 5280 2830 8076 16135 7234 11460 213 8101 341 5438 6331 5029 14871 10725 2090 5998 12241 8902 3420 4340 7265 18...
output:
14400 3502 16805 3502 11979 3502 5949 3502 9916 3502 2445 3502 15141 3502 16655 3502 16186 3502 1523 3502 1443 3502 10091 3502 9218 3502 16617 3502 16466 3502 1217 3502 19150 3502 2830 3502 7234 3502 11460 3502 8101 3502 6331 3502 14871 3502 10725 3502 12241 3502 8902 3502 7265 3502 5618 3502 14867 ...
result:
ok AC
Test #22:
score: 0
Accepted
time: 5ms
memory: 7116kb
input:
20000 19272 1 19272 7240 6952 7240 6952 10594 12564 10594 12564 13132 14483 13132 14483 1891 9772 1891 16614 9772 14519 16614 12050 14519 4039 12050 4039 9679 8408 4039 12050 6797 17990 6797 6797 17659 14519 14985 16415 14985 1735 16415 16415 18821 14985 9402 9402 18947 9402 5386 17560 16614 17560 1...
output:
1 9679 19272 9679 7240 9679 6952 9679 10594 9679 12564 9679 13132 9679 14483 9679 1891 9679 9772 9679 16614 9679 14519 9679 12050 9679 4039 12423 8408 9679 6797 9679 17990 9679 17659 9679 14985 9679 16415 9679 1735 9679 18821 9679 9402 9679 18947 9679 5386 9679 17560 9679 1094 9679 7537 9679 19700 9...
result:
ok AC
Test #23:
score: 0
Accepted
time: 4ms
memory: 6820kb
input:
20000 4410 1 7210 1 1 2389 4410 18377 4410 4507 7905 4410 7210 14849 12441 7210 7210 9005 17807 2389 2389 6619 2389 6604 6913 18377 5811 18377 7249 18377 4507 1582 4507 8857 4507 17635 10077 7905 7905 4687 8607 7905 14849 16870 14849 3298 14849 2376 12441 9009 12441 10729 19879 12441 9005 19790 7715...
output:
1 1183 7210 1183 2389 1183 4410 1183 4507 1183 7905 1183 14849 1183 12441 1183 9005 1183 17807 1183 6619 1183 6604 1183 18377 1183 5811 1183 7249 1183 1582 1183 8857 1183 17635 1183 10077 1183 4687 1183 8607 1183 16870 1183 3298 1183 2376 1183 9009 1183 10729 1183 19879 1183 19790 1183 7715 1183 401...
result:
ok AC
Test #24:
score: 0
Accepted
time: 6ms
memory: 6696kb
input:
20000 7223 19213 12395 18674 16451 12980 18029 7848 16056 11920 6906 11077 3923 10662 9192 4837 17604 11135 16462 2457 18842 9770 15130 10251 19601 6770 7954 12079 7559 642 15051 17509 1146 18583 18196 17621 4980 8041 19973 15310 16834 11112 3176 8010 957 12737 4072 830 3194 1873 11400 3394 6914 806...
output:
19213 16975 12395 16975 12980 16975 7848 16975 11920 16975 6906 16975 3923 16975 4837 16975 11135 16975 2457 16975 9770 16975 10251 16975 6770 16975 12079 16975 7559 16975 15051 16975 1146 16975 17621 16975 8041 16975 19973 16975 11112 16975 3176 16975 957 16975 830 16975 3194 16975 11400 16975 6914...
result:
ok AC
Test #25:
score: 0
Accepted
time: 2ms
memory: 5852kb
input:
5 2 1 3 1 4 1 1 5
output:
-1
result:
ok AC
Test #26:
score: 0
Accepted
time: 4ms
memory: 6736kb
input:
20000 1 4794 4794 19823 8249 19823 8249 19672 16549 19672 13478 16549 3608 13478 3608 14623 14623 10303 19353 14623 14623 7999 3608 14367 14367 17910 14367 8488 16947 14367 3608 1121 1121 1836 13048 1121 17393 1121 11488 13478 11488 17346 8954 17346 17346 4922 17346 13440 11488 2278 16202 2278 593 2...
output:
1 10303 4794 10303 19823 10303 8249 10303 19672 10303 16549 10303 13478 10303 3608 10303 14623 9249 19353 10303 7999 10303 14367 10303 17910 10303 8488 10303 16947 10303 1121 10303 1836 10303 13048 10303 17393 10303 11488 10303 17346 10303 8954 10303 4922 10303 13440 10303 2278 10303 16202 10303 593...
result:
ok AC
Test #27:
score: 0
Accepted
time: 8ms
memory: 7340kb
input:
20000 1 17253 5390 1 1 10221 1 16259 8902 1 10509 1 1 16551 1 13314 1 12754 1 11707 1 7781 1 2105 1 18132 1 12907 1 5609 1 15234 1 18609 1 13919 1 13882 1 15621 1 1997 1 14002 1 18056 7498 1 13534 1 1530 1 1 14773 1 2001 1 10679 1 13745 6140 1 19975 1 14198 1 1 7536 5623 1 1 6120 1 6954 730 1 1 1601...
output:
1 13525 5390 13525 10221 13525 16259 13525 8902 13525 10509 13525 16551 13525 13314 13525 12754 13525 11707 13525 7781 13525 2105 13525 18132 13525 12907 13525 5609 13525 15234 13525 18609 13525 13919 13525 13882 13525 15621 13525 1997 13525 14002 13525 18056 13525 7498 13525 13534 13525 1530 13525 ...
result:
ok AC
Test #28:
score: 0
Accepted
time: 3ms
memory: 7196kb
input:
20000 5445 4016 925 12966 8179 19342 5779 1 9123 4530 5079 8720 8754 5478 17667 13748 7203 13819 10489 7645 8537 14929 4717 5427 239 4564 17407 14318 6756 7348 4638 17915 19455 15109 3853 19342 15246 17470 8228 16612 7726 13819 1 16617 16607 6208 6228 12081 1615 14545 11897 16624 7653 14499 7273 195...
output:
5445 15437 12966 15437 8179 15437 5779 15437 9123 15437 5079 15437 5478 15437 13748 15437 7203 15437 7645 15437 14929 15437 4717 15437 4564 15437 14318 15437 7348 15437 17915 15437 15109 15437 3853 15437 15246 15437 8228 15437 7726 15437 16617 15437 16607 15437 6228 15437 1615 15437 11897 15437 1449...
result:
ok AC
Test #29:
score: 0
Accepted
time: 0ms
memory: 6980kb
input:
20000 1 10558 10558 7298 7298 3082 17807 7298 793 7298 11663 7298 12412 7298 10699 7298 7298 1146 2462 7298 7298 12577 11701 7298 7298 7622 3831 7298 19955 7298 3001 7298 7298 18329 7298 851 7298 16782 7298 17396 7298 15015 12771 7298 7298 10926 4736 7298 9088 7298 4867 7298 16066 7298 7298 2148 729...
output:
1 3082 10558 3082 7298 19477 17807 3082 793 3082 11663 3082 12412 3082 10699 3082 1146 3082 2462 3082 12577 3082 11701 3082 7622 3082 3831 3082 19955 3082 3001 3082 18329 3082 851 3082 16782 3082 17396 3082 15015 3082 12771 3082 10926 3082 4736 3082 9088 3082 4867 3082 16066 3082 2148 3082 9282 3082...
result:
ok AC
Test #30:
score: 0
Accepted
time: 8ms
memory: 7296kb
input:
20000 1 11767 10226 11767 6246 10226 6576 6246 458 6576 458 5997 16052 5997 16052 10900 4370 10900 4370 17480 17480 11379 4859 11379 14663 4859 18363 14663 1454 18363 18490 1454 18490 17760 17760 19850 19832 19850 4252 19832 5482 4252 2802 5482 17779 2802 17779 8601 10844 8601 10844 17372 1230 17372...
output:
1 4129 11767 4129 10226 4129 6246 4129 6576 4129 458 4129 5997 4129 16052 4129 10900 4129 4370 4129 17480 4129 11379 4129 4859 4129 14663 4129 18363 4129 1454 4129 18490 4129 17760 4129 19850 4129 19832 4129 4252 4129 5482 4129 2802 4129 17779 4129 8601 4129 10844 4129 17372 4129 1230 4129 13019 412...
result:
ok AC
Test #31:
score: 0
Accepted
time: 5ms
memory: 7176kb
input:
20000 16653 18166 1123 17313 12716 14313 11207 7401 2794 831 480 7420 4462 1161 575 456 15192 3052 12389 7101 15729 18976 18772 19492 18805 2052 866 10412 8160 3697 13319 15062 19241 11526 11876 3502 613 17770 15035 14829 6518 16531 11665 19122 15722 18062 19841 14843 5758 3123 1633 14519 3637 13277...
output:
16653 9780 1123 9780 12716 9780 7401 9780 2794 9780 480 9780 4462 9780 575 9780 15192 9780 12389 9780 15729 9780 19492 9780 2052 9780 866 9780 3697 9780 13319 9780 19241 9780 3502 9780 17770 9780 15035 9780 6518 9780 19122 9780 18062 9780 14843 9780 3123 9780 1633 9780 13277 9780 16195 9780 18042 97...
result:
ok AC
Test #32:
score: 0
Accepted
time: 6ms
memory: 6744kb
input:
20000 5613 1 1 999 1 16709 1 2491 9549 1 19706 1 1 1022 1 3884 1 1916 6627 1 1 1600 10265 1 1 19100 19766 1 1 7450 1 14375 5986 1 10295 1 8625 1 11810 1 1 15542 1 5745 3506 1 12842 1 1 11860 1 16317 1 6553 12476 1 1 6031 8445 1 6462 1 1 1601 1 3014 14100 1 1 6771 1 2360 1 15402 4549 1 6116 1 1 17848...
output:
-1
result:
ok AC
Test #33:
score: 0
Accepted
time: 1ms
memory: 6808kb
input:
20000 2509 13795 17043 13795 12006 13795 13795 822 3022 13795 8572 13795 2579 13795 13795 9673 12654 13795 4181 13795 13795 15912 13795 8902 13795 19201 5015 13795 243 13795 13795 6524 13795 9461 16403 13795 13795 18444 1316 13795 15366 13795 13795 17126 13795 309 13795 10938 13795 1255 13795 5588 1...
output:
-1
result:
ok AC
Test #34:
score: -100
Wrong Answer
time: 7ms
memory: 6776kb
input:
20000 12144 2902 8713 11740 8870 10266 6116 3885 5943 8380 10496 956 14162 9193 4497 3275 5480 4601 6858 17285 1067 3003 19501 1958 5579 12167 844 12167 5372 16648 18876 13545 6559 10656 2910 6918 5632 16656 10135 11948 11253 13524 10068 15948 17884 3833 6830 16257 1248 6924 9806 14359 11033 8077 86...
output:
12144 3838 8713 3838 10266 3838 6116 3838 5943 3838 10496 3838 9193 3838 4497 3838 5480 3838 6858 3838 3003 3838 1958 3838 5579 3838 12167 3838 16648 3838 18876 3838 10656 3838 6918 3838 5632 3838 10135 3838 11253 3838 10068 3838 3833 3838 16257 3838 6924 3838 9806 3838 8077 3838 8650 3838 9461 3838...
result:
wrong answer u and v already exists