oj.uz

Submission #625305

# Submission time Handle Problem Language Result Execution time Memory
625305 2022-08-10T01:14:58 Z Trunkty Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 224 ms 22156 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
using namespace std;
typedef long long ll;
//#define int ll

#include "supertrees.h"

int root[1005];
vector<int> ans[1005];
int rootp[1005];
vector<int> part[1005];

int findroot(int x){
    if(root[x]!=x){
        root[x] = findroot(root[x]);
    }
    return root[x];
}

void domerge(int a, int b){
    a = findroot(a);
    b = findroot(b);
    root[a] = b;
}

int findrootp(int x){
    if(rootp[x]!=x){
        rootp[x] = findrootp(rootp[x]);
    }
    return rootp[x];
}

void domergep(int a, int b){
    a = findrootp(a);
    b = findrootp(b);
    rootp[a] = b;
}

int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>> ret;
	for (int i = 0; i < n; i++) {
		vector<int> row;
		row.resize(n);
		ret.push_back(row);
	}
    for(int i=0;i<n;i++){
        root[i] = i;
        rootp[i] = i;
    }
	for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(p[i][j]){
                domerge(i,j);
            }
            if(p[i][j]==1){
                domergep(i,j);
            }
            if(p[i][j]==3){
                return 0;
            }
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            if(p[i][j]==0 and findroot(i)==findroot(j)){
                return 0;
            }
            if(p[i][j]==2 and findrootp(i)==findrootp(j)){
                return 0;
            }
        }
    }
    for(int i=0;i<n;i++){
        ans[findroot(i)].push_back(i);
        part[findrootp(i)].push_back(i);
    }
    for(int i=0;i<n;i++){
        for(int j=1;j<part[i].size();j++){
            ret[part[i][j-1]][part[i][j]] = 1;
            ret[part[i][j]][part[i][j-1]] = 1;
        }
    }
    for(int i=0;i<n;i++){
        set<int> s;
        vector<int> v;
        for(int j=0;j<ans[i].size();j++){
            s.insert(findrootp(ans[i][j]));
        }
        for(int j:s){
            v.push_back(j);
        }
        for(int j=1;j<v.size();j++){
            ret[v[j]][v[j-1]] = 1;
            ret[v[j-1]][v[j]] = 1;
        }
        if(v.size()<=1){
            continue;
        }
        else if(v.size()==2){
            return 0;
        }
        ret[v[0]][v.back()] = 1;
        ret[v.back()][v[0]] = 1;
    }
    build(ret);
	return 1;
}

Compilation message

supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:82:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |         for(int j=1;j<part[i].size();j++){
      |                     ~^~~~~~~~~~~~~~~
supertrees.cpp:90:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |         for(int j=0;j<ans[i].size();j++){
      |                     ~^~~~~~~~~~~~~~
supertrees.cpp:96:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |         for(int j=1;j<v.size();j++){
      |                     ~^~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 7 ms 1252 KB Output is correct
7 Correct 191 ms 22056 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 7 ms 1252 KB Output is correct
7 Correct 191 ms 22056 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 164 ms 22072 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 4 ms 744 KB Output is correct
17 Correct 85 ms 12088 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 46 ms 5820 KB Output is correct
21 Correct 171 ms 22056 KB Output is correct
22 Correct 190 ms 22008 KB Output is correct
23 Correct 175 ms 22076 KB Output is correct
24 Correct 169 ms 22104 KB Output is correct
25 Correct 67 ms 12092 KB Output is correct
26 Correct 69 ms 12100 KB Output is correct
27 Correct 204 ms 22076 KB Output is correct
28 Correct 167 ms 22096 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 428 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 7 ms 1236 KB Output is correct
9 Correct 164 ms 22144 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 8 ms 1244 KB Output is correct
13 Correct 224 ms 22156 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 91 ms 12092 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 348 KB Output is correct
21 Correct 44 ms 5828 KB Output is correct
22 Correct 172 ms 22152 KB Output is correct
23 Correct 178 ms 22096 KB Output is correct
24 Correct 197 ms 22148 KB Output is correct
25 Correct 72 ms 12216 KB Output is correct
26 Correct 66 ms 12104 KB Output is correct
27 Correct 175 ms 22080 KB Output is correct
28 Correct 184 ms 22076 KB Output is correct
29 Correct 93 ms 12216 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 47 ms 5744 KB Output is correct
5 Correct 215 ms 22072 KB Output is correct
6 Correct 203 ms 22136 KB Output is correct
7 Correct 206 ms 22084 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 44 ms 5836 KB Output is correct
10 Correct 212 ms 22088 KB Output is correct
11 Correct 169 ms 22068 KB Output is correct
12 Correct 191 ms 22084 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 47 ms 5808 KB Output is correct
17 Correct 206 ms 22080 KB Output is correct
18 Correct 178 ms 22128 KB Output is correct
19 Correct 170 ms 22076 KB Output is correct
20 Correct 174 ms 22156 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 7 ms 1252 KB Output is correct
7 Correct 191 ms 22056 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 164 ms 22072 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 4 ms 744 KB Output is correct
17 Correct 85 ms 12088 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 46 ms 5820 KB Output is correct
21 Correct 171 ms 22056 KB Output is correct
22 Correct 190 ms 22008 KB Output is correct
23 Correct 175 ms 22076 KB Output is correct
24 Correct 169 ms 22104 KB Output is correct
25 Correct 67 ms 12092 KB Output is correct
26 Correct 69 ms 12100 KB Output is correct
27 Correct 204 ms 22076 KB Output is correct
28 Correct 167 ms 22096 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 428 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 7 ms 1236 KB Output is correct
37 Correct 164 ms 22144 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 8 ms 1244 KB Output is correct
41 Correct 224 ms 22156 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 4 ms 724 KB Output is correct
45 Correct 91 ms 12092 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 44 ms 5828 KB Output is correct
50 Correct 172 ms 22152 KB Output is correct
51 Correct 178 ms 22096 KB Output is correct
52 Correct 197 ms 22148 KB Output is correct
53 Correct 72 ms 12216 KB Output is correct
54 Correct 66 ms 12104 KB Output is correct
55 Correct 175 ms 22080 KB Output is correct
56 Correct 184 ms 22076 KB Output is correct
57 Correct 93 ms 12216 KB Output is correct
58 Correct 0 ms 340 KB Output is correct
59 Correct 0 ms 340 KB Output is correct
60 Correct 4 ms 724 KB Output is correct
61 Correct 80 ms 12096 KB Output is correct
62 Correct 0 ms 340 KB Output is correct
63 Correct 0 ms 340 KB Output is correct
64 Correct 0 ms 340 KB Output is correct
65 Correct 52 ms 5800 KB Output is correct
66 Correct 75 ms 12224 KB Output is correct
67 Correct 69 ms 12108 KB Output is correct
68 Correct 66 ms 12104 KB Output is correct
69 Correct 80 ms 12220 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 7 ms 1252 KB Output is correct
7 Correct 191 ms 22056 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 7 ms 1236 KB Output is correct
13 Correct 164 ms 22072 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 4 ms 744 KB Output is correct
17 Correct 85 ms 12088 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 46 ms 5820 KB Output is correct
21 Correct 171 ms 22056 KB Output is correct
22 Correct 190 ms 22008 KB Output is correct
23 Correct 175 ms 22076 KB Output is correct
24 Correct 169 ms 22104 KB Output is correct
25 Correct 67 ms 12092 KB Output is correct
26 Correct 69 ms 12100 KB Output is correct
27 Correct 204 ms 22076 KB Output is correct
28 Correct 167 ms 22096 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 428 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 7 ms 1236 KB Output is correct
37 Correct 164 ms 22144 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 8 ms 1244 KB Output is correct
41 Correct 224 ms 22156 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 4 ms 724 KB Output is correct
45 Correct 91 ms 12092 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 44 ms 5828 KB Output is correct
50 Correct 172 ms 22152 KB Output is correct
51 Correct 178 ms 22096 KB Output is correct
52 Correct 197 ms 22148 KB Output is correct
53 Correct 72 ms 12216 KB Output is correct
54 Correct 66 ms 12104 KB Output is correct
55 Correct 175 ms 22080 KB Output is correct
56 Correct 184 ms 22076 KB Output is correct
57 Correct 93 ms 12216 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 0 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 47 ms 5744 KB Output is correct
62 Correct 215 ms 22072 KB Output is correct
63 Correct 203 ms 22136 KB Output is correct
64 Correct 206 ms 22084 KB Output is correct
65 Correct 0 ms 340 KB Output is correct
66 Correct 44 ms 5836 KB Output is correct
67 Correct 212 ms 22088 KB Output is correct
68 Correct 169 ms 22068 KB Output is correct
69 Correct 191 ms 22084 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 0 ms 340 KB Output is correct
72 Correct 0 ms 340 KB Output is correct
73 Correct 47 ms 5808 KB Output is correct
74 Correct 206 ms 22080 KB Output is correct
75 Correct 178 ms 22128 KB Output is correct
76 Correct 170 ms 22076 KB Output is correct
77 Correct 174 ms 22156 KB Output is correct
78 Correct 0 ms 340 KB Output is correct
79 Correct 0 ms 340 KB Output is correct
80 Correct 4 ms 724 KB Output is correct
81 Correct 80 ms 12096 KB Output is correct
82 Correct 0 ms 340 KB Output is correct
83 Correct 0 ms 340 KB Output is correct
84 Correct 0 ms 340 KB Output is correct
85 Correct 52 ms 5800 KB Output is correct
86 Correct 75 ms 12224 KB Output is correct
87 Correct 69 ms 12108 KB Output is correct
88 Correct 66 ms 12104 KB Output is correct
89 Correct 80 ms 12220 KB Output is correct
90 Correct 0 ms 340 KB Output is correct
91 Correct 0 ms 340 KB Output is correct
92 Correct 4 ms 724 KB Output is correct
93 Correct 78 ms 12088 KB Output is correct
94 Correct 0 ms 340 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 0 ms 340 KB Output is correct
97 Correct 17 ms 3760 KB Output is correct
98 Correct 67 ms 14120 KB Output is correct
99 Correct 88 ms 14128 KB Output is correct
100 Correct 70 ms 14056 KB Output is correct
101 Correct 65 ms 14124 KB Output is correct
102 Correct 69 ms 14128 KB Output is correct
103 Correct 69 ms 14120 KB Output is correct
104 Correct 69 ms 14124 KB Output is correct
105 Correct 73 ms 14136 KB Output is correct