oj.uz

Submission #1076569

# Submission time Handle Problem Language Result Execution time Memory
1076569 2024-08-26T14:47:01 Z anango Beech Tree (IOI23_beechtree) C++17
46 / 100
 2000 ms 2097152 KB 
#include "beechtree.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long


void prmap(map<int,int> mp) {
    for (auto i:mp) {
        cout << i.first <<":"<<i.second<<", ";
    }
    cout << endl;
}

std::vector<signed> beechtree(signed N, signed M, std::vector<signed> P, std::vector<signed> C) {
    int n=N; int m=M;
    //if any vertex has 2 children with same color then it jambloats
    //also any vertex must be before its child in ordering since if ind[parent]>ind[child] then there are
    //ind[parent]-1 edges considered for child contradiction hyperbloat
    //also consider in the order of a permutation, for each color, it starts being on and turns off at some point
    //in the edges leading from a node to its children
    //thus consider the vertices which have each color in children, and make an ordering
    //if the ordering is consistent, hope it works
    //insufficient
    //increasing order of subtree size?
    //add condition that if color of par[x]->x and color of par[y]->y are the same, put from the par with larger subtree into par with smaller subtree
    //this also deals with the 2 children same color thing
    
    vector<int> subsize(n,1);
    vector<vector<int>> subtree(n);
    vector<vector<int>> sons(n);
    for (int i=0; i<n; i++) subtree[i] = {i};
    int subtask2 = 1;
    int subtask4 = 0;
    map<int,int> freq;
    for (int i=0; i<n; i++) {
        freq[C[i]]++;
    }
    int ma = -1;
    for (auto i:freq) ma=max(ma,i.second);
    if (ma<=2) {
        subtask4=1;
    }
    for (int i=1; i<n; i++) {
        if (P[i]!=i-1) subtask2=0;
    }
    
    if (subtask2) {

    }

    for (int i=n-1; i>=1; i--) {
        subsize[P[i]]+=subsize[i];
        for (int j:subtree[i]) {
            subtree[P[i]].push_back(j);
            if (subtask4 && subtree[P[i]].size()>100) {
                break;
            }
        }
        sons[P[i]].push_back(i);
    }
    vector<int> ans(n,1);
    for (int root=0; root<n; root++) {
        if (subtask4 && subsize[root]>=100) {
            ans[root] = 0;
            continue;
        }
        vector<int> relevant=subtree[root];
        map<int,int> revcoords;
        for (int j=0; j<relevant.size(); j++) {
            revcoords[relevant[j]] = j;
        }
        /*vector<vector<int>> adjlist(relevant.size());
        vector<vector<int>> sonsv2(relevant.size());
        for (int i:relevant) {
            for (int j:sons[i]) {
                adjlist[revcoords[i]].push_back(revcoords[j]);
                sonsv2[revcoords[i]].push_back(revcoords[j]);
            }
        }
        for (int j=1; j<dep1.size(); j++) {
            if (subsize[relevant[dep1[j-1]]]<subsize[relevant[dep1[j]]]) {
                adjlist[dep1[j]].push_back(dep1[j-1]);
            }
        }
        map<int,vector<int>> revcols;
        for (int i:relevant) {
            if (i!=root) {
                revcols[C[i]].push_back(revcoords[i]);
            }
        }
        for (auto i:revcols) {
            vector<int> dep1 = i.second;
            sort(dep1.begin(), dep1.end(), [&](const int i1, const int i2) {
                return subsize[relevant[i1]]<subsize[relevant[i2]]
            });
            for (int j=1; j<dep1.size(); j++) {
                if (subsize[relevant[dep1[j-1]]]<subsize[relevant[dep1[j]]]) {
                    adjlist[dep1[j]].push_back(dep1[j-1]);
                }
            }
        }*/
       
        vector<int> dep1; for (int i=0; i<relevant.size(); i++) dep1.push_back(i);
        sort(dep1.begin(), dep1.end(), [&](const int i1, const int i2) {
            return subsize[relevant[i1]]<subsize[relevant[i2]];
        });
        reverse(dep1.begin(), dep1.end());
        map<int,int> colors;
        int fail = 0;
        for (int i=0; i<dep1.size(); i++) {
            int node = dep1[i];
            set<int> subbers;
            map<int,int> colors2;
            for (int j:sons[relevant[node]]) {
                subbers.insert(C[j]);
                if (i>0 && colors[C[j]]<subsize[j]) {
                    fail=1;
                }
                colors2[C[j]] = subsize[j];
            }
            colors=colors2;
            if (subbers.size()<sons[relevant[node]].size()) {
                fail=1;
            }
            //cout << "DOING " << root <<" " << i << " " << node << endl;
            //prmap(colors);
        }
        ans[root] = 1-fail;
        
    }
    vector<signed> ans2(ans.begin(), ans.end());
    return ans2;
}

Compilation message

beechtree.cpp: In function 'std::vector<int> beechtree(int, int, std::vector<int>, std::vector<int>)':
beechtree.cpp:69:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |         for (int j=0; j<relevant.size(); j++) {
      |                       ~^~~~~~~~~~~~~~~~
beechtree.cpp:103:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |         vector<int> dep1; for (int i=0; i<relevant.size(); i++) dep1.push_back(i);
      |                                         ~^~~~~~~~~~~~~~~~
beechtree.cpp:110:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  110 |         for (int i=0; i<dep1.size(); i++) {
      |                       ~^~~~~~~~~~~~
beechtree.cpp:15:18: warning: unused variable 'm' [-Wunused-variable]
   15 |     int n=N; int m=M;
      |                  ^

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 436 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 600 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #2
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 309 ms 238416 KB Output is correct
8 Correct 270 ms 235348 KB Output is correct
9 Correct 3 ms 604 KB Output is correct
10 Correct 3 ms 604 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 263 ms 20940 KB Output is correct
14 Correct 268 ms 21084 KB Output is correct
15 Correct 307 ms 20828 KB Output is correct
16 Correct 4 ms 2648 KB Output is correct
17 Execution timed out 2025 ms 2097152 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 2 ms 604 KB Output is correct
14 Correct 1 ms 600 KB Output is correct
15 Correct 125 ms 23752 KB Output is correct
16 Correct 113 ms 22476 KB Output is correct
17 Correct 119 ms 22684 KB Output is correct
18 Correct 116 ms 23244 KB Output is correct

Subtask #4
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 309 ms 238416 KB Output is correct
6 Correct 270 ms 235348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 2 ms 736 KB Output is correct
10 Incorrect 1 ms 604 KB 2nd lines differ - on the 737th token, expected: '1', found: '0'
11 Halted 0 ms 0 KB -

Subtask #5
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 436 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 3 ms 604 KB Output is correct
39 Correct 3 ms 604 KB Output is correct
40 Correct 3 ms 604 KB Output is correct
41 Correct 3 ms 604 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 1 ms 604 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 1 ms 344 KB Output is correct

Subtask #6
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 259 ms 20828 KB Output is correct
26 Correct 273 ms 20824 KB Output is correct
27 Correct 269 ms 20824 KB Output is correct
28 Correct 305 ms 20920 KB Output is correct
29 Correct 281 ms 20828 KB Output is correct
30 Correct 25 ms 2908 KB Output is correct
31 Correct 5 ms 1088 KB Output is correct
32 Correct 5 ms 1080 KB Output is correct
33 Correct 10 ms 1116 KB Output is correct
34 Correct 4 ms 860 KB Output is correct
35 Correct 4 ms 1008 KB Output is correct
36 Correct 3 ms 860 KB Output is correct
37 Correct 78 ms 6088 KB Output is correct
38 Correct 29 ms 3156 KB Output is correct

Subtask #7
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 436 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 3 ms 604 KB Output is correct
39 Correct 3 ms 604 KB Output is correct
40 Correct 3 ms 604 KB Output is correct
41 Correct 3 ms 604 KB Output is correct
42 Correct 263 ms 20940 KB Output is correct
43 Correct 268 ms 21084 KB Output is correct
44 Correct 307 ms 20828 KB Output is correct
45 Correct 4 ms 2648 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 344 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 2 ms 604 KB Output is correct
57 Correct 2 ms 604 KB Output is correct
58 Correct 2 ms 604 KB Output is correct
59 Correct 1 ms 600 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 2 ms 736 KB Output is correct
63 Incorrect 1 ms 604 KB 2nd lines differ - on the 737th token, expected: '1', found: '0'
64 Halted 0 ms 0 KB -

Subtask #8
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 600 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 600 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 259 ms 20828 KB Output is correct
26 Correct 273 ms 20824 KB Output is correct
27 Correct 269 ms 20824 KB Output is correct
28 Correct 305 ms 20920 KB Output is correct
29 Correct 281 ms 20828 KB Output is correct
30 Correct 25 ms 2908 KB Output is correct
31 Correct 5 ms 1088 KB Output is correct
32 Correct 5 ms 1080 KB Output is correct
33 Correct 10 ms 1116 KB Output is correct
34 Correct 4 ms 860 KB Output is correct
35 Correct 4 ms 1008 KB Output is correct
36 Correct 3 ms 860 KB Output is correct
37 Correct 78 ms 6088 KB Output is correct
38 Correct 29 ms 3156 KB Output is correct
39 Runtime error 1956 ms 2097152 KB Execution killed with signal 9
40 Halted 0 ms 0 KB -

Subtask #9
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 436 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 309 ms 238416 KB Output is correct
39 Correct 270 ms 235348 KB Output is correct
40 Correct 3 ms 604 KB Output is correct
41 Correct 3 ms 604 KB Output is correct
42 Correct 3 ms 604 KB Output is correct
43 Correct 3 ms 604 KB Output is correct
44 Correct 263 ms 20940 KB Output is correct
45 Correct 268 ms 21084 KB Output is correct
46 Correct 307 ms 20828 KB Output is correct
47 Correct 4 ms 2648 KB Output is correct
48 Execution timed out 2025 ms 2097152 KB Time limit exceeded
49 Halted 0 ms 0 KB -