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 |
---|---|---|---|---|---|---|---|---|---|
#768073 | #2766. Unique Cities | _8_8_ | 0 | 991ms | 181628kb | C++20 | 3.2kb | 2024-11-21 00:12:40 | 2024-11-21 00:12:49 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = (1 << 20) + 12, MOD = (int)1e9 + 7;
int n, m, a[N], vis[N], timer, p[N];
vector<int> g[N], gt[N];
bool is[N];
map<int, int> dist[N];
int f(int d) {
timer++;
vis[d] = timer;
int lst = d;
queue<int> q;
q.push(d);
dist[d][d] = 0;
while(!q.empty()) {
int v = q.front();
lst = v;
q.pop();
for(int to : g[v]) {
if(vis[to] != timer) {
dist[d][to] = dist[d][v] + 1;
q.push(to);
vis[to] = timer;
}
}
}
return lst;
}
int col[N], dep[N], mxd[N], res[N], d, d1, o, cr;
int zap = 0;
bool ok[N];
void dfs(int v, int pr = -1) {
mxd[v] = dep[v];
for(int to:g[v]) if(to != pr) {
gt[v].push_back(to);
dep[to] = dep[v] + 1;
dfs(to, v);
mxd[v] = max(mxd[v], mxd[to]);
}
for(int i = 0; i < (int)gt[v].size(); i++) {
if(mxd[gt[v][i]] == mxd[v]) {
swap(gt[v][0], gt[v][i]);
}
}
}
vector<int> st;
void go(int v) {
if(dist[cr][v] > dist[o][v] || (dist[cr][v] == dist[o][v] && zap)) {
set<int> raz;
for(int i = 0; i < (int)st.size() && mxd[v] - dep[v] < dep[v] - dep[st[i]]; i++) {
// cerr << st[i] << '\n';
raz.insert(a[st[i]]);
break;
}
res[v] += (int)raz.size();
}
if(gt[v].empty()) return;
int sz = (int)gt[v].size();
vector<int> p(sz), s(sz);
p[0] = mxd[gt[v][0]];
s[sz - 1] = mxd[gt[v][sz - 1]];
for(int i = 1; i < sz; i++) {
p[i] = max(p[i - 1], mxd[gt[v][i]]);
}
for(int i = sz - 2; i >= 0; i--) {
s[i] = max(s[i + 1], mxd[gt[v][i]]);
}
vector<int> del;
for(int i = 0; i < sz; i++) {
int to = gt[v][i];
int mx = dep[v];
if(i) mx = max(mx, p[i - 1]);
if(i < sz - 1) mx = max(mx, s[i + 1]);
mx -= dep[v];
if(i <= 1) {
while(!st.empty() && dep[v] - dep[st.back()] <= mx) {
del.push_back(st.back());
st.pop_back();
}
st.push_back(v);
}
go(to);
if(i == 0 || i == sz - 1) {
st.pop_back();
reverse(del.begin(), del.end());
for(int j:del) {
st.push_back(j);
}
del.clear();
}
}
}
void solve(int root) {
for(int i = 1; i <= n; i++) {
gt[i].clear();
}
st.clear();
dep[root] = 1;
dfs(root);
go(root);
}
void test() {
cin >> n >> m;
for(int i = 1; i <= n - 1; i++) {
int a, b;
cin >> a >> b;
g[a].push_back(b);
g[b].push_back(a);
}
for(int i = 1; i <= n; i++) {
cin >> a[i];
}
d = f(1), d1 = f(d);
f(d1);
o = d1;cr = d;
solve(d);
zap = 1;
o = d;cr = d1;
solve(d1);
for(int i = 1; i <= n; i++) {
cout << res[i] << '\n';
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int t = 1;
// cin >> t;
while(t--)
test();
}
详细
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 4
Accepted
time: 9ms
memory: 62928kb
input:
2 1 1 2 1 1
output:
1 1
result:
ok 2 lines
Test #2:
score: 0
Wrong Answer
time: 4ms
memory: 61440kb
input:
1842 848 740 1093 1299 922 801 1560 265 1664 1043 65 1430 427 80 233 4 1238 1623 1473 1569 274 953 1485 1259 649 1671 1409 246 542 742 1517 720 1120 1527 1328 1167 1531 1056 1130 673 1222 192 980 1393 913 446 688 135 23 1065 1787 978 1481 1765 1720 310 202 1406 1451 475 523 104 774 1531 829 169 396 ...
output:
1 1 1 0 0 0 1 0 1 0 1 1 0 1 0 0 0 1 0 0 1 1 0 1 1 0 0 1 1 1 1 1 1 1 0 0 1 1 0 1 1 0 1 1 1 0 1 1 1 1 0 1 1 0 1 1 0 0 1 1 1 1 1 1 1 0 1 0 1 1 0 0 1 0 0 0 1 1 1 1 1 1 1 1 1 0 1 1 0 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 0 0 0 1 0 1 1 1 1 1 1 0 1 1 1 1 0 1 1 0 0 1 0 1 0 1 1 0 1 0 1 0 1 0 0 1 0 1 0 1 ...
result:
wrong answer 7th lines differ - expected: '2', found: '1'
Subtask #2:
score: 0
Time Limit Exceeded
Test #33:
score: 32
Accepted
time: 398ms
memory: 92564kb
input:
115391 1 32067 50006 1710 5850 21016 66364 72998 34367 24783 10670 49950 93666 81835 81234 53480 68963 87357 43320 93905 30509 72528 92224 520 100511 54804 2917 58490 23858 93643 87530 90737 65205 60740 110812 9553 90266 70028 67222 108045 88982 35584 110286 53518 21733 108735 26404 108228 109796 92...
output:
1 1 0 1 0 1 1 0 1 1 1 1 1 1 1 1 1 0 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 0 0 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 0 1 1 0 1 1 1 1 1 1 1 1 0 1 0 1 1 0 1 1 1 1 1 0 1 1 1 1 0 1 1 0 1 0 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 115391 lines
Test #34:
score: 32
Accepted
time: 432ms
memory: 131860kb
input:
114976 1 74053 36053 62978 89255 32367 21913 113882 44280 60815 35782 107811 95272 109039 78845 22484 41688 1781 111596 111506 59375 19869 45586 84990 81214 38638 90205 14928 14370 10758 5465 87745 5949 66720 6357 76134 26466 91805 105936 31792 68220 74216 108462 60158 67410 69489 50297 74956 63776 ...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 114976 lines
Test #35:
score: 32
Accepted
time: 80ms
memory: 74416kb
input:
28388 1 10509 15648 25863 14495 26973 2553 22819 7801 5054 15080 6091 12384 4727 3538 14600 14672 4481 9533 26520 23761 6729 3525 15678 8426 7628 26890 25846 26267 10186 5633 21692 25057 17882 26693 25518 13361 6875 371 27786 23632 24474 21637 1387 8015 22050 3422 8420 25752 26814 7209 11499 21112 5...
output:
1 1 1 0 1 0 0 0 0 0 0 1 0 0 0 0 1 0 1 1 1 1 0 1 1 0 0 1 1 1 0 1 0 1 0 1 1 1 0 1 0 1 1 1 0 1 1 0 1 0 1 1 0 0 0 1 0 1 0 0 1 0 0 1 1 0 1 1 1 1 0 1 1 0 1 1 1 0 0 1 1 0 1 0 0 1 1 0 1 0 0 0 0 1 0 1 1 0 0 0 1 0 1 0 0 1 1 0 1 1 0 0 0 0 1 1 0 1 1 0 0 0 0 1 1 0 0 1 1 1 1 0 1 0 0 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 ...
result:
ok 28388 lines
Test #36:
score: 32
Accepted
time: 944ms
memory: 110536kb
input:
200000 1 17564 189544 118109 130056 39153 56739 138814 48828 103560 16598 174399 8469 146229 189678 173046 95721 168793 168656 21067 78280 169301 178753 63496 153947 22754 181712 34926 22205 41248 16310 81136 35768 87905 3442 89999 119217 108408 136055 153855 175444 177272 157293 174568 5857 71023 5...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 200000 lines
Test #37:
score: 32
Accepted
time: 938ms
memory: 181628kb
input:
200000 1 35713 32997 199904 59024 24108 108224 75623 8060 169202 44171 166898 189166 52691 184504 91052 94474 3355 161889 76684 4006 13328 59307 83889 5391 139095 198059 194946 197068 147175 102095 68329 10784 45563 111710 123071 177610 156268 186570 149699 52604 191299 78685 68117 130476 132359 860...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 200000 lines
Test #38:
score: 32
Accepted
time: 991ms
memory: 145328kb
input:
200000 1 15065 142612 651 173717 153862 68423 150849 147717 192561 152722 165359 180378 34627 59508 140908 24495 180671 177962 183330 27822 155654 53394 20596 1741 76236 52151 167441 5306 73654 149981 97720 142937 10793 84081 124721 123748 185212 150311 170407 158310 125015 73861 36456 121189 39975 ...
output:
1 0 1 1 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 1 1 1 1 0 0 1 0 0 0 0 1 0 1 1 1 0 1 0 1 1 0 1 1 0 1 0 1 1 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 1 1 1 1 1 1 0 1 0 1 1 1 1 0 1 1 0 1 1 0 0 1 0 0 1 1 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 1 1 0 1 0 0 0 1 1 1 1 0 0 0 1 0 0 0 1 0 0 0 1 1 1 1 0 1 0 0 1 1 0 0 0 1 ...
result:
ok 200000 lines
Test #39:
score: 32
Accepted
time: 881ms
memory: 113140kb
input:
200000 1 86027 61282 69968 35175 136022 154753 52733 39599 97774 24158 25263 138562 112124 6412 183205 101112 112094 38819 113526 47859 137031 122132 165018 84375 76900 182974 29302 174006 34918 73123 23660 37001 141115 33742 61282 24152 150734 61282 22552 49677 106054 193519 84741 62724 6470 178907...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 200000 lines
Test #40:
score: 32
Accepted
time: 893ms
memory: 120632kb
input:
200000 1 28426 75100 141794 24004 167055 168353 178427 10860 34348 190354 192106 81422 75263 134731 54229 108154 90586 122196 172392 58237 84932 15421 79435 77253 185144 24679 63387 23340 68674 72825 137398 109447 33249 46900 99738 44920 92707 125920 163133 64180 83887 123053 152655 83838 133345 953...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 200000 lines
Test #41:
score: 32
Accepted
time: 916ms
memory: 118016kb
input:
200000 1 69183 39245 163717 95756 76286 79561 100403 156730 144012 28043 198819 127959 64878 40226 57715 170431 64896 172859 44376 76276 154716 52042 193460 121983 98422 173076 114307 113862 51895 51986 193923 26201 116458 6275 6786 5649 175035 64551 148902 26238 129547 45157 151907 50571 76031 8614...
output:
1 1 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 1 1 1 1 0 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 0 0 1 1 0 1 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 0 1 0 1 0 1 1 1 0 1 1 1 1 1 1 ...
result:
ok 200000 lines
Test #42:
score: 32
Accepted
time: 925ms
memory: 114988kb
input:
200000 1 196045 146636 176533 42271 166724 196028 139244 76615 148314 148067 178418 115890 192238 183829 32675 57585 185089 143473 101515 59837 190250 186401 150802 188721 50798 191609 47863 142815 183786 28970 184954 58810 13430 196707 133210 193546 49302 49747 109810 162864 98935 133593 169908 210...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 200000 lines
Test #43:
score: 32
Accepted
time: 720ms
memory: 112044kb
input:
200000 1 58527 148510 90024 104304 46291 148510 148510 193006 51631 148510 148510 117266 148510 53357 166103 148510 148510 127112 148510 105363 148510 171703 56809 148510 148510 60920 164837 148510 148510 181377 67076 148510 148510 94358 8910 148510 43101 148510 148510 64867 148510 46788 148510 4249...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok 200000 lines
Test #44:
score: 0
Time Limit Exceeded
input:
200000 1 66730 123320 47115 79350 85283 171708 156551 17983 140238 171549 93983 190883 146694 145897 48194 48325 186569 69965 165293 107104 105458 137156 117295 132479 49962 144513 135589 103731 120064 134791 163864 155625 175728 67758 190171 179156 102382 51967 50807 154114 8247 142134 101115 87765...
output:
result:
Subtask #3:
score: 0
Wrong Answer
Test #50:
score: 0
Wrong Answer
time: 654ms
memory: 102764kb
input:
157976 157976 20171 157173 44732 54119 107845 121149 109200 110309 82678 108206 89140 64200 36916 128759 3966 123760 92978 105716 43700 146126 14924 3429 107721 36095 94906 78173 97162 29552 119574 39605 25145 138492 16622 99431 60281 7949 76176 136644 75716 91518 127987 110605 77999 110960 101187 5...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
wrong answer 2nd lines differ - expected: '5', found: '1'
Subtask #4:
score: 0
Skipped
Dependency #1:
0%