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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
#768008#2766. Unique Cities_8_8_0 616ms169888kbC++202.9kb2024-11-20 23:32:242024-11-20 23:32:24

Judging History

你现在查看的是最新测评结果

  • [2024-11-20 23:32:24]
  • 评测
  • 测评结果:0
  • 用时:616ms
  • 内存:169888kb
  • [2024-11-20 23:32:24]
  • 提交

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);
        if(ok[to]) ok[v] = 1;
        mxd[v] = max(mxd[v], mxd[to]);
    }
    if(v == d) ok[v] = 1;
}

vector<int> st;
set<int> cur[N];
void go(int v) {
    if(dist[cr][v] > dist[o][v]) {
        set<int> raz;
        for(int i = 0; i < (int)st.size() && mxd[v] - dep[v] < dep[v] - dep[st[i]]; i++) {
            raz.insert(a[st[i]]);
            cur[v].insert(a[st[i]]);
        }
        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]]);
    }
    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];
        vector<int> bf = st;
        while(!st.empty() && dep[v] - dep[st.back()] <= mx) {
            st.pop_back();
        }
        st.push_back(v);
        go(to);
        st = bf;
    }
}
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);
    // cout << d << ' ' << d1 << '\n';
    o = d1;cr = d;
    solve(d);
    zap = 1;
    o = d;cr = d1;
    solve(d1);
    // solve(4);
    // solve(1);
    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();
}

詳細信息

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 4
Accepted
time: 23ms
memory: 112196kb

input:

2 1
1 2
1 1

output:

1
1

result:

ok 2 lines

Test #2:

score: 4
Accepted
time: 11ms
memory: 112916kb

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
2
0
3
0
2
1
0
3
0
0
0
2
0
0
4
2
0
2
4
0
0
1
1
1
2
1
1
1
0
0
1
3
0
1
2
0
1
1
4
0
1
1
1
3
0
2
1
0
1
1
0
0
2
1
1
2
1
1
1
0
3
0
1
2
0
0
1
0
0
0
1
1
3
1
4
3
1
2
2
0
1
3
0
2
1
0
1
1
1
1
1
2
3
1
0
1
2
1
0
1
2
4
1
3
0
0
0
4
0
1
1
2
2
2
3
0
5
2
1
5
0
1
1
0
0
2
0
2
0
2
4
0
1
0
3
0
3
0
0
2
0
1
0
2
...

result:

ok 1842 lines

Test #3:

score: 4
Accepted
time: 63ms
memory: 129796kb

input:

951 908
777 679
676 510
34 425
424 889
78 4
924 408
151 905
399 942
606 776
275 332
616 900
513 372
911 130
465 430
126 303
380 603
506 505
592 38
917 270
435 815
591 773
63 66
417 642
301 693
814 454
735 671
899 674
925 846
254 898
845 569
703 659
707 241
482 715
646 282
274 925
861 374
699 488
903...

output:

302
286
491
486
478
563
380
32
497
563
115
30
581
428
510
491
374
565
242
418
469
550
410
229
499
386
274
588
487
276
279
536
445
203
483
56
565
361
129
140
533
437
229
68
442
559
570
502
493
212
588
96
330
405
262
526
464
516
258
541
554
264
475
441
544
476
406
222
468
397
531
591
406
39
320
198
60...

result:

ok 951 lines

Test #4:

score: 0
Wrong Answer
time: 20ms
memory: 117528kb

input:

1817 365
1516 74
1811 1805
1036 311
1769 1663
1029 473
1596 310
337 888
324 426
385 315
1780 1684
1750 794
895 1029
1108 1194
566 613
489 1230
1727 1520
170 302
731 1171
591 295
1165 1233
304 835
1607 404
1035 1675
158 735
1553 1764
1390 1078
197 980
1176 1626
16 1218
1530 1146
1692 1477
1513 574
32...

output:

0
0
0
0
0
224
0
203
0
0
0
0
229
0
0
0
0
0
0
0
162
0
0
0
0
0
0
0
0
0
0
0
208
0
0
0
0
0
0
0
161
0
0
0
0
0
0
0
0
0
0
0
0
0
146
118
0
0
66
0
0
70
240
177
0
165
0
0
0
0
0
68
243
0
0
0
0
0
0
0
0
208
0
0
12
0
195
0
0
0
0
6
0
114
218
0
0
199
0
0
0
0
0
27
157
0
0
0
0
0
0
0
0
0
0
168
0
0
0
0
0
0
0
0
0
257
0
0...

result:

wrong answer 2nd lines differ - expected: '129', found: '0'

Subtask #2:

score: 0
Time Limit Exceeded

Test #33:

score: 32
Accepted
time: 391ms
memory: 144896kb

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: 0
Time Limit Exceeded

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:


result:


Subtask #3:

score: 0
Time Limit Exceeded

Test #50:

score: 32
Accepted
time: 616ms
memory: 169888kb

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
5
3
3
4
2
3
2
2
1
2
1
4
1
3
1
7
2
1
3
1
5
2
1
1
2
1
3
1
4
2
1
1
1
1
1
3
1
2
5
4
6
2
2
1
1
2
3
4
1
1
1
1
4
2
4
3
2
2
1
1
4
2
3
1
3
1
2
1
1
1
1
1
3
2
1
1
5
2
1
1
9
2
3
1
1
3
1
2
3
2
2
2
3
1
4
2
1
1
1
2
1
3
1
4
1
6
2
1
2
3
2
1
1
1
2
1
1
2
2
1
2
8
2
2
1
2
1
1
5
2
1
2
1
3
1
4
1
1
3
3
1
10
6
3
1
3
2
2
9...

result:

ok 157976 lines

Test #51:

score: 0
Time Limit Exceeded

input:

191205 191205
92326 99995
188142 63029
71973 50899
68069 72878
159479 103397
143191 93854
27574 146981
63427 186167
104978 177629
22355 188155
184293 15184
101908 143833
111535 144687
112209 61685
59401 128258
97717 87496
168079 130237
49319 190230
119632 98368
76193 184597
22790 136093
1080 80811
1...

output:


result:


Subtask #4:

score: 0
Skipped

Dependency #1:

0%