oj.uz

Submission #1063164

# Submission time Handle Problem Language Result Execution time Memory
1063164 2024-08-17T14:48:00 Z 12345678 Reconstruction Project (JOI22_reconstruction) C++17
100 / 100
 907 ms 36928 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long

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

ll n, m, x, q, dsu[nx], l[mx], r[mx], lz, lst, sp;
vector<pair<ll, pair<ll, ll>>> edg;
vector<pair<ll, ll>> slope;

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

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    edg.resize(m);
    for (auto &x:edg) cin>>x.second.first>>x.second.second>>x.first;
    sort(edg.begin(), edg.end());
    for (int i=0; i<m; i++)
    {
        l[i]=-1;
        r[i]=m;
        for (int j=1; j<=n; j++) dsu[j]=j;
        for (int k=i-1; k>=0; k--)
        {
            dsu[find(edg[k].second.first)]=find(edg[k].second.second);
            if (find(edg[i].second.first)==find(edg[i].second.second)) 
            {
                l[i]=k, r[l[i]]=i;
                break;
            }
        }
    }
    for (int i=0; i<m; i++)
    {
        //cout<<"edge "<<edg[i].second.first<<' '<<edg[i].second.second<<' '<<edg[i].first<<' '<<l[i]<<' '<<r[i]<<'\n';
        if (l[i]==-1) lz+=edg[i].first, slope.push_back({0, -1}), slope.push_back({edg[i].first, 1});
        else
        {
            ll loc=(edg[l[i]].first+edg[i].first+1)/2;
            slope.push_back({loc, -1});
            slope.push_back({edg[i].first, 1});
        }
        if (r[i]==m) slope.push_back({edg[i].first, 1});
        else
        {
            ll loc=(edg[i].first+edg[r[i]].first)/2;
            slope.push_back({edg[i].first, 1});
            slope.push_back({loc, -1});
        }
    }
    sort(slope.begin(), slope.end());
    reverse(slope.begin(), slope.end());
    cin>>q;
    while (q--)
    {
        cin>>x;
        while (!slope.empty()&&slope.back().first<=x)
        {
            //cout<<"here "<<sp<<' '<<slope.back().first<<'\n';
            lz+=(slope.back().first-lst)*sp;
            sp+=slope.back().second;
            lst=slope.back().first;
            slope.pop_back();
        }
        cout<<lz+sp*(x-lst)<<'\n';
    }
}

Subtask #1
3.0 / 3.0

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

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 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 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 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 730 ms 15412 KB Output is correct
21 Correct 360 ms 15560 KB Output is correct
22 Correct 390 ms 15904 KB Output is correct
23 Correct 460 ms 15560 KB Output is correct
24 Correct 599 ms 15904 KB Output is correct
25 Correct 785 ms 15560 KB Output is correct
26 Correct 770 ms 15936 KB Output is correct
27 Correct 763 ms 15812 KB Output is correct
28 Correct 741 ms 15980 KB Output is correct
29 Correct 541 ms 16012 KB Output is correct
30 Correct 778 ms 16328 KB Output is correct
31 Correct 774 ms 15160 KB Output is correct
32 Correct 805 ms 16356 KB Output is correct
33 Correct 762 ms 15196 KB Output is correct
34 Correct 260 ms 14596 KB Output is correct
35 Correct 783 ms 15304 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 472 ms 34080 KB Output is correct
5 Correct 491 ms 34232 KB Output is correct
6 Correct 483 ms 34872 KB Output is correct
7 Correct 396 ms 35716 KB Output is correct
8 Correct 375 ms 35404 KB Output is correct
9 Correct 290 ms 35884 KB Output is correct
10 Correct 469 ms 34996 KB Output is correct
11 Correct 358 ms 36928 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 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 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 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 129 ms 22356 KB Output is correct
21 Correct 126 ms 22612 KB Output is correct
22 Correct 128 ms 22516 KB Output is correct
23 Correct 150 ms 22580 KB Output is correct
24 Correct 164 ms 22500 KB Output is correct
25 Correct 156 ms 22552 KB Output is correct
26 Correct 155 ms 22352 KB Output is correct
27 Correct 138 ms 22392 KB Output is correct
28 Correct 126 ms 22352 KB Output is correct
29 Correct 144 ms 22352 KB Output is correct
30 Correct 138 ms 22576 KB Output is correct
31 Correct 159 ms 22368 KB Output is correct
32 Correct 132 ms 23008 KB Output is correct
33 Correct 180 ms 22392 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 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 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 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 730 ms 15412 KB Output is correct
21 Correct 360 ms 15560 KB Output is correct
22 Correct 390 ms 15904 KB Output is correct
23 Correct 460 ms 15560 KB Output is correct
24 Correct 599 ms 15904 KB Output is correct
25 Correct 785 ms 15560 KB Output is correct
26 Correct 770 ms 15936 KB Output is correct
27 Correct 763 ms 15812 KB Output is correct
28 Correct 741 ms 15980 KB Output is correct
29 Correct 541 ms 16012 KB Output is correct
30 Correct 778 ms 16328 KB Output is correct
31 Correct 774 ms 15160 KB Output is correct
32 Correct 805 ms 16356 KB Output is correct
33 Correct 762 ms 15196 KB Output is correct
34 Correct 260 ms 14596 KB Output is correct
35 Correct 783 ms 15304 KB Output is correct
36 Correct 749 ms 16252 KB Output is correct
37 Correct 373 ms 14536 KB Output is correct
38 Correct 405 ms 16376 KB Output is correct
39 Correct 506 ms 15304 KB Output is correct
40 Correct 603 ms 15700 KB Output is correct
41 Correct 810 ms 16096 KB Output is correct
42 Correct 749 ms 15032 KB Output is correct
43 Correct 734 ms 16328 KB Output is correct
44 Correct 714 ms 16168 KB Output is correct
45 Correct 502 ms 16360 KB Output is correct
46 Correct 730 ms 15656 KB Output is correct
47 Correct 759 ms 15384 KB Output is correct
48 Correct 747 ms 14840 KB Output is correct
49 Correct 766 ms 16072 KB Output is correct
50 Correct 250 ms 15300 KB Output is correct
51 Correct 748 ms 16312 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 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 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 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 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 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 730 ms 15412 KB Output is correct
21 Correct 360 ms 15560 KB Output is correct
22 Correct 390 ms 15904 KB Output is correct
23 Correct 460 ms 15560 KB Output is correct
24 Correct 599 ms 15904 KB Output is correct
25 Correct 785 ms 15560 KB Output is correct
26 Correct 770 ms 15936 KB Output is correct
27 Correct 763 ms 15812 KB Output is correct
28 Correct 741 ms 15980 KB Output is correct
29 Correct 541 ms 16012 KB Output is correct
30 Correct 778 ms 16328 KB Output is correct
31 Correct 774 ms 15160 KB Output is correct
32 Correct 805 ms 16356 KB Output is correct
33 Correct 762 ms 15196 KB Output is correct
34 Correct 260 ms 14596 KB Output is correct
35 Correct 783 ms 15304 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 468 KB Output is correct
39 Correct 472 ms 34080 KB Output is correct
40 Correct 491 ms 34232 KB Output is correct
41 Correct 483 ms 34872 KB Output is correct
42 Correct 396 ms 35716 KB Output is correct
43 Correct 375 ms 35404 KB Output is correct
44 Correct 290 ms 35884 KB Output is correct
45 Correct 469 ms 34996 KB Output is correct
46 Correct 358 ms 36928 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 129 ms 22356 KB Output is correct
49 Correct 126 ms 22612 KB Output is correct
50 Correct 128 ms 22516 KB Output is correct
51 Correct 150 ms 22580 KB Output is correct
52 Correct 164 ms 22500 KB Output is correct
53 Correct 156 ms 22552 KB Output is correct
54 Correct 155 ms 22352 KB Output is correct
55 Correct 138 ms 22392 KB Output is correct
56 Correct 126 ms 22352 KB Output is correct
57 Correct 144 ms 22352 KB Output is correct
58 Correct 138 ms 22576 KB Output is correct
59 Correct 159 ms 22368 KB Output is correct
60 Correct 132 ms 23008 KB Output is correct
61 Correct 180 ms 22392 KB Output is correct
62 Correct 749 ms 16252 KB Output is correct
63 Correct 373 ms 14536 KB Output is correct
64 Correct 405 ms 16376 KB Output is correct
65 Correct 506 ms 15304 KB Output is correct
66 Correct 603 ms 15700 KB Output is correct
67 Correct 810 ms 16096 KB Output is correct
68 Correct 749 ms 15032 KB Output is correct
69 Correct 734 ms 16328 KB Output is correct
70 Correct 714 ms 16168 KB Output is correct
71 Correct 502 ms 16360 KB Output is correct
72 Correct 730 ms 15656 KB Output is correct
73 Correct 759 ms 15384 KB Output is correct
74 Correct 747 ms 14840 KB Output is correct
75 Correct 766 ms 16072 KB Output is correct
76 Correct 250 ms 15300 KB Output is correct
77 Correct 748 ms 16312 KB Output is correct
78 Correct 864 ms 33728 KB Output is correct
79 Correct 477 ms 35232 KB Output is correct
80 Correct 528 ms 33248 KB Output is correct
81 Correct 572 ms 34232 KB Output is correct
82 Correct 733 ms 33384 KB Output is correct
83 Correct 907 ms 33852 KB Output is correct
84 Correct 873 ms 33956 KB Output is correct
85 Correct 880 ms 32208 KB Output is correct
86 Correct 844 ms 33532 KB Output is correct
87 Correct 624 ms 34236 KB Output is correct
88 Correct 860 ms 33564 KB Output is correct
89 Correct 870 ms 32460 KB Output is correct
90 Correct 861 ms 33472 KB Output is correct
91 Correct 855 ms 32188 KB Output is correct
92 Correct 384 ms 36800 KB Output is correct
93 Correct 847 ms 34748 KB Output is correct