oj.uz

Submission #544951

# Submission time Handle Problem Language Result Execution time Memory
544951 2022-04-03T08:12:31 Z PiejanVDC Reconstruction Project (JOI22_reconstruction) C++17
7 / 100
 5000 ms 4256 KB 
#include <bits/stdc++.h>
using namespace std;

const int mxN = (int)1e5 + 5;

vector<pair<int64_t,pair<int,int>>>e;
vector<pair<int64_t,pair<int,int>>>v;

int n,m;

vector<int>parent(mxN);

int UF(int u) {
    if(parent[u] == u)
        return u;
    return parent[u] = UF(parent[u]);
}

int64_t mst(int64_t X) {
    for(int i = 0 ; i < m ; i++)
        v[i].first = abs(e[i].first - X), v[i].second = e[i].second;
    sort(v.begin(),v.end());
    int cnt = 0;
    int p = 0;
    int64_t ans = 0;
    vector<bool>vis(n,0);
    while(cnt < n-1) {
        int A = UF(v[p].second.first),
            B = UF(v[p].second.second);
        if(A == B) {
            p++;
            continue;
        }
        ans += v[p].first;
        cnt++;
        parent[A] = B;
        p++;
    }
    return ans;
}

void go() {
    for(int i = 0 ; i < n ; i++)
        parent[i] = i;
}

signed main() {
    cin>>n>>m;
    for(int i = 0 ; i < m ; i++) {
        int64_t a,b,c; cin>>a>>b>>c;
        a--,b--;
        e.push_back({c,{a,b}});
    }
    v.resize(m);
    int q; cin>>q;
    while(q--) {
        int64_t X; cin>>X;
        go();
        cout << mst(X) << "\n";
    }
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 155 ms 4256 KB Output is correct
21 Correct 167 ms 3948 KB Output is correct
22 Correct 157 ms 3872 KB Output is correct
23 Correct 150 ms 3900 KB Output is correct
24 Correct 163 ms 3996 KB Output is correct
25 Correct 157 ms 3948 KB Output is correct
26 Correct 151 ms 3900 KB Output is correct
27 Correct 153 ms 3948 KB Output is correct
28 Correct 177 ms 4028 KB Output is correct
29 Correct 189 ms 3952 KB Output is correct
30 Correct 148 ms 4000 KB Output is correct
31 Correct 155 ms 3896 KB Output is correct
32 Correct 159 ms 3944 KB Output is correct
33 Correct 148 ms 3952 KB Output is correct
34 Correct 181 ms 3936 KB Output is correct
35 Correct 157 ms 3928 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Execution timed out 5037 ms 3904 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Execution timed out 5070 ms 2240 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 155 ms 4256 KB Output is correct
21 Correct 167 ms 3948 KB Output is correct
22 Correct 157 ms 3872 KB Output is correct
23 Correct 150 ms 3900 KB Output is correct
24 Correct 163 ms 3996 KB Output is correct
25 Correct 157 ms 3948 KB Output is correct
26 Correct 151 ms 3900 KB Output is correct
27 Correct 153 ms 3948 KB Output is correct
28 Correct 177 ms 4028 KB Output is correct
29 Correct 189 ms 3952 KB Output is correct
30 Correct 148 ms 4000 KB Output is correct
31 Correct 155 ms 3896 KB Output is correct
32 Correct 159 ms 3944 KB Output is correct
33 Correct 148 ms 3952 KB Output is correct
34 Correct 181 ms 3936 KB Output is correct
35 Correct 157 ms 3928 KB Output is correct
36 Execution timed out 5047 ms 3996 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 0 ms 596 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 1 ms 596 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 596 KB Output is correct
7 Correct 0 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 1 ms 596 KB Output is correct
10 Correct 0 ms 596 KB Output is correct
11 Correct 1 ms 596 KB Output is correct
12 Correct 1 ms 596 KB Output is correct
13 Correct 1 ms 596 KB Output is correct
14 Correct 1 ms 596 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 596 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 1 ms 596 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 155 ms 4256 KB Output is correct
21 Correct 167 ms 3948 KB Output is correct
22 Correct 157 ms 3872 KB Output is correct
23 Correct 150 ms 3900 KB Output is correct
24 Correct 163 ms 3996 KB Output is correct
25 Correct 157 ms 3948 KB Output is correct
26 Correct 151 ms 3900 KB Output is correct
27 Correct 153 ms 3948 KB Output is correct
28 Correct 177 ms 4028 KB Output is correct
29 Correct 189 ms 3952 KB Output is correct
30 Correct 148 ms 4000 KB Output is correct
31 Correct 155 ms 3896 KB Output is correct
32 Correct 159 ms 3944 KB Output is correct
33 Correct 148 ms 3952 KB Output is correct
34 Correct 181 ms 3936 KB Output is correct
35 Correct 157 ms 3928 KB Output is correct
36 Correct 1 ms 596 KB Output is correct
37 Correct 1 ms 596 KB Output is correct
38 Correct 1 ms 596 KB Output is correct
39 Execution timed out 5037 ms 3904 KB Time limit exceeded
40 Halted 0 ms 0 KB -