oj.uz

Submission #1061021

# Submission time Handle Problem Language Result Execution time Memory
1061021 2024-08-16T05:37:57 Z 12345678 Reconstruction Project (JOI22_reconstruction) C++17
7 / 100
 5000 ms 6452 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#pragma gcc-optimize("o3, unroll-loops")

const int nx=5e2+5, mx=1e5+5;

ll n, m, a[mx], b[mx], w[mx], dsu[nx], x, q;

int find(int x)
{
    if (dsu[x]==x) return x;
    return dsu[x]=find(dsu[x]);
}

int32_t main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=m; i++) cin>>a[i]>>b[i]>>w[i];
    cin>>q;
    while (q--)
    {
        cin>>x;
        vector<pair<ll, ll>> edg;
        for (int i=1; i<=n; i++) dsu[i]=i;
        for (int i=1; i<=m; i++) edg.push_back({abs(w[i]-x), i});
        sort(edg.begin(), edg.end());
        ll res=0, cnt=0;
        for (auto [k, idx]:edg)
        {
            if (find(a[idx])==find(b[idx])) continue;
            res+=k;
            cnt++;
            dsu[find(a[idx])]=find(b[idx]);
            if (cnt==n-1) break;
        }
        cout<<res<<'\n';
    }
}

Compilation message

reconstruction.cpp:6: warning: ignoring '#pragma gcc ' [-Wunknown-pragmas]
    6 | #pragma gcc-optimize("o3, unroll-loops")
      |

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 100 ms 6440 KB Output is correct
21 Correct 102 ms 6428 KB Output is correct
22 Correct 98 ms 6452 KB Output is correct
23 Correct 97 ms 6420 KB Output is correct
24 Correct 97 ms 6412 KB Output is correct
25 Correct 99 ms 6432 KB Output is correct
26 Correct 103 ms 6440 KB Output is correct
27 Correct 99 ms 6428 KB Output is correct
28 Correct 113 ms 6420 KB Output is correct
29 Correct 105 ms 6440 KB Output is correct
30 Correct 95 ms 6424 KB Output is correct
31 Correct 95 ms 6424 KB Output is correct
32 Correct 96 ms 6432 KB Output is correct
33 Correct 96 ms 6436 KB Output is correct
34 Correct 59 ms 6428 KB Output is correct
35 Correct 103 ms 6440 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Execution timed out 5092 ms 6432 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 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Execution timed out 5086 ms 4792 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 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 100 ms 6440 KB Output is correct
21 Correct 102 ms 6428 KB Output is correct
22 Correct 98 ms 6452 KB Output is correct
23 Correct 97 ms 6420 KB Output is correct
24 Correct 97 ms 6412 KB Output is correct
25 Correct 99 ms 6432 KB Output is correct
26 Correct 103 ms 6440 KB Output is correct
27 Correct 99 ms 6428 KB Output is correct
28 Correct 113 ms 6420 KB Output is correct
29 Correct 105 ms 6440 KB Output is correct
30 Correct 95 ms 6424 KB Output is correct
31 Correct 95 ms 6424 KB Output is correct
32 Correct 96 ms 6432 KB Output is correct
33 Correct 96 ms 6436 KB Output is correct
34 Correct 59 ms 6428 KB Output is correct
35 Correct 103 ms 6440 KB Output is correct
36 Execution timed out 5055 ms 6444 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 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 100 ms 6440 KB Output is correct
21 Correct 102 ms 6428 KB Output is correct
22 Correct 98 ms 6452 KB Output is correct
23 Correct 97 ms 6420 KB Output is correct
24 Correct 97 ms 6412 KB Output is correct
25 Correct 99 ms 6432 KB Output is correct
26 Correct 103 ms 6440 KB Output is correct
27 Correct 99 ms 6428 KB Output is correct
28 Correct 113 ms 6420 KB Output is correct
29 Correct 105 ms 6440 KB Output is correct
30 Correct 95 ms 6424 KB Output is correct
31 Correct 95 ms 6424 KB Output is correct
32 Correct 96 ms 6432 KB Output is correct
33 Correct 96 ms 6436 KB Output is correct
34 Correct 59 ms 6428 KB Output is correct
35 Correct 103 ms 6440 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Execution timed out 5092 ms 6432 KB Time limit exceeded
40 Halted 0 ms 0 KB -