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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
#768055#2766. Unique Cities_8_8_0 836ms134212kbC++203.0kb2024-11-21 00:01:192024-11-21 00:01:20

Judging History

你现在查看的是最新测评结果

  • [2024-11-21 00:01:20]
  • 评测
  • 测评结果:0
  • 用时:836ms
  • 内存:134212kb
  • [2024-11-21 00:01:19]
  • 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);
        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++) {
            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]]);
    }
    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> del;
        while(!st.empty() && dep[v] - dep[st.back()] <= mx) {
            del.push_back(st.back());
            st.pop_back();
        }
        st.push_back(v);
        go(to);
        st.pop_back();
        reverse(del.begin(), del.end());
        for(int j:del) {
            st.push_back(j);
        }
    }
}
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: 12ms
memory: 62964kb

input:

2 1
1 2
1 1

output:

1
1

result:

ok 2 lines

Test #2:

score: 0
Wrong Answer
time: 11ms
memory: 63404kb

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: 558ms
memory: 90132kb

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: 556ms
memory: 134212kb

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: 89ms
memory: 78952kb

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: 0
Time Limit Exceeded

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:


Subtask #3:

score: 0
Wrong Answer

Test #50:

score: 0
Wrong Answer
time: 836ms
memory: 105944kb

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%