oj.uz

Submission #907324

# Submission time Handle Problem Language Result Execution time Memory
907324 2024-01-15T11:33:20 Z Tuanlinh123 Reconstruction Project (JOI22_reconstruction) C++17
100 / 100
 2531 ms 50880 KB 
#include<bits/stdc++.h>
#define ll long long
#define pll pair<ll, ll>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define ld long double
using namespace std;

const ll maxn=505, maxm=100005, maxq=1000005;
pair<ll, pll> e[maxm];
vector <pair<pll, ll>> edge;
ll n, m, x[maxq], ans[maxq], cnt[maxq];

struct DSU
{
    vector <ll> pa, Rank;
    DSU(ll n)
    {
        pa.assign(n+1, 0);
        for (ll i=1; i<=n; i++)
            pa[i]=i;
        Rank.assign(n+1, 0);
    }
    
    ll Find(ll i)
    {
        if (pa[i]!=i)
            pa[i]=Find(pa[i]);
        return pa[i];
    }

    bool Union(ll a, ll b)
    {
        ll Pa=Find(a), Pb=Find(b);
        if (Pa==Pb) return 0;
        if (Rank[Pa]<Rank[Pb]) swap(Pa, Pb);
        if (Rank[Pa]==Rank[Pb]) Rank[Pa]++;
        pa[Pb]=Pa; return 1;
    }
};


void addedge(ll u, ll v, ll id)
{
    DSU A(n);
    vector <pair<pll, ll>> edgen;
    edgen.pb({{u, v}, id}); A.Union(u, v);
    for (pair<pll, ll> e:edge)
        if (A.Union(e.fi.fi, e.fi.se))
            edgen.pb(e);
    swap(edge, edgen);
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for (ll i=1; i<=m; i++)
        cin >> e[i].se.fi >> e[i].se.se >> e[i].fi;
    sort(e+1, e+m+1);
    ll q; cin >> q;
    for (ll i=1; i<=q; i++)
        cin >> x[i];
    for (ll i=1; i<=m; i++)
    {
        DSU A(n);
        ll u=e[i].se.fi, v=e[i].se.se, w=e[i].fi, ok=0;
        for (pair<pll, ll> j:edge)
        {
            A.Union(j.fi.fi, j.fi.se);
            if (A.Find(u)==A.Find(v))
                {ok=e[j.se].fi; break;}
        }
        ll p=upper_bound(x+1, x+q+1, w)-x;
        if (!ok) ans[1]+=w, ans[p]-=w, cnt[1]--, cnt[p]++;
        else
        {
            ll L=(ok+w)/2+1, p1=lower_bound(x+1, x+q+1, L)-x;
            ans[p1]+=w, ans[p]-=w, cnt[p1]--, cnt[p]++;
        }
        addedge(u, v, i);
    }
    edge.clear();
    for (ll i=m; i>=1; i--)
    {
        DSU A(n);
        ll u=e[i].se.fi, v=e[i].se.se, w=e[i].fi, ok=0;
        for (pair<pll, ll> j:edge)
        {
            A.Union(j.fi.fi, j.fi.se);
            if (A.Find(u)==A.Find(v))
                {ok=e[j.se].fi; break;}
        }
        ll p=upper_bound(x+1, x+q+1, w)-x;
        if (!ok) ans[p]-=w, cnt[p]++;
        else
        {
            ll R=(ok+w)/2, p1=upper_bound(x+1, x+q+1, R)-x;
            ans[p]-=w, ans[p1]+=w, cnt[p]++, cnt[p1]--;
        }
        addedge(u, v, i);
    }
    for (ll i=1; i<=q; i++)
    {
        ans[i]+=ans[i-1], cnt[i]+=cnt[i-1];
        cout << ans[i]+cnt[i]*x[i] << "\n";
    }
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6864 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6556 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6864 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6556 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 2121 ms 9396 KB Output is correct
21 Correct 1405 ms 9552 KB Output is correct
22 Correct 1462 ms 9400 KB Output is correct
23 Correct 1532 ms 9556 KB Output is correct
24 Correct 1855 ms 9400 KB Output is correct
25 Correct 2060 ms 9408 KB Output is correct
26 Correct 2108 ms 9400 KB Output is correct
27 Correct 2095 ms 9356 KB Output is correct
28 Correct 2111 ms 9404 KB Output is correct
29 Correct 1195 ms 9612 KB Output is correct
30 Correct 2156 ms 9400 KB Output is correct
31 Correct 2179 ms 9404 KB Output is correct
32 Correct 2112 ms 9296 KB Output is correct
33 Correct 2102 ms 9404 KB Output is correct
34 Correct 1040 ms 9712 KB Output is correct
35 Correct 2120 ms 9404 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1655 ms 48564 KB Output is correct
5 Correct 1714 ms 48704 KB Output is correct
6 Correct 1726 ms 48696 KB Output is correct
7 Correct 998 ms 50844 KB Output is correct
8 Correct 904 ms 50516 KB Output is correct
9 Correct 821 ms 50744 KB Output is correct
10 Correct 1640 ms 48876 KB Output is correct
11 Correct 794 ms 50880 KB Output is correct

Subtask #4
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6864 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6556 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 2 ms 6492 KB Output is correct
20 Correct 161 ms 47048 KB Output is correct
21 Correct 159 ms 47188 KB Output is correct
22 Correct 158 ms 47188 KB Output is correct
23 Correct 168 ms 47184 KB Output is correct
24 Correct 157 ms 47184 KB Output is correct
25 Correct 159 ms 47188 KB Output is correct
26 Correct 162 ms 47040 KB Output is correct
27 Correct 157 ms 47184 KB Output is correct
28 Correct 173 ms 47440 KB Output is correct
29 Correct 157 ms 47184 KB Output is correct
30 Correct 166 ms 47224 KB Output is correct
31 Correct 158 ms 46928 KB Output is correct
32 Correct 158 ms 47700 KB Output is correct
33 Correct 166 ms 47264 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6864 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6556 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 2121 ms 9396 KB Output is correct
21 Correct 1405 ms 9552 KB Output is correct
22 Correct 1462 ms 9400 KB Output is correct
23 Correct 1532 ms 9556 KB Output is correct
24 Correct 1855 ms 9400 KB Output is correct
25 Correct 2060 ms 9408 KB Output is correct
26 Correct 2108 ms 9400 KB Output is correct
27 Correct 2095 ms 9356 KB Output is correct
28 Correct 2111 ms 9404 KB Output is correct
29 Correct 1195 ms 9612 KB Output is correct
30 Correct 2156 ms 9400 KB Output is correct
31 Correct 2179 ms 9404 KB Output is correct
32 Correct 2112 ms 9296 KB Output is correct
33 Correct 2102 ms 9404 KB Output is correct
34 Correct 1040 ms 9712 KB Output is correct
35 Correct 2120 ms 9404 KB Output is correct
36 Correct 2124 ms 9860 KB Output is correct
37 Correct 1417 ms 10068 KB Output is correct
38 Correct 1521 ms 9964 KB Output is correct
39 Correct 1571 ms 9748 KB Output is correct
40 Correct 1832 ms 9748 KB Output is correct
41 Correct 2083 ms 9836 KB Output is correct
42 Correct 2123 ms 9984 KB Output is correct
43 Correct 2261 ms 9908 KB Output is correct
44 Correct 2238 ms 9792 KB Output is correct
45 Correct 1226 ms 9932 KB Output is correct
46 Correct 2187 ms 9904 KB Output is correct
47 Correct 2275 ms 10156 KB Output is correct
48 Correct 2130 ms 9760 KB Output is correct
49 Correct 2174 ms 10172 KB Output is correct
50 Correct 999 ms 9956 KB Output is correct
51 Correct 2124 ms 9884 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 6488 KB Output is correct
2 Correct 2 ms 6492 KB Output is correct
3 Correct 2 ms 6492 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 2 ms 6492 KB Output is correct
8 Correct 2 ms 6492 KB Output is correct
9 Correct 2 ms 6488 KB Output is correct
10 Correct 1 ms 6864 KB Output is correct
11 Correct 2 ms 6492 KB Output is correct
12 Correct 2 ms 6488 KB Output is correct
13 Correct 1 ms 6488 KB Output is correct
14 Correct 2 ms 6492 KB Output is correct
15 Correct 2 ms 6556 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 1 ms 6492 KB Output is correct
20 Correct 2121 ms 9396 KB Output is correct
21 Correct 1405 ms 9552 KB Output is correct
22 Correct 1462 ms 9400 KB Output is correct
23 Correct 1532 ms 9556 KB Output is correct
24 Correct 1855 ms 9400 KB Output is correct
25 Correct 2060 ms 9408 KB Output is correct
26 Correct 2108 ms 9400 KB Output is correct
27 Correct 2095 ms 9356 KB Output is correct
28 Correct 2111 ms 9404 KB Output is correct
29 Correct 1195 ms 9612 KB Output is correct
30 Correct 2156 ms 9400 KB Output is correct
31 Correct 2179 ms 9404 KB Output is correct
32 Correct 2112 ms 9296 KB Output is correct
33 Correct 2102 ms 9404 KB Output is correct
34 Correct 1040 ms 9712 KB Output is correct
35 Correct 2120 ms 9404 KB Output is correct
36 Correct 2 ms 6488 KB Output is correct
37 Correct 2 ms 6492 KB Output is correct
38 Correct 1 ms 6492 KB Output is correct
39 Correct 1655 ms 48564 KB Output is correct
40 Correct 1714 ms 48704 KB Output is correct
41 Correct 1726 ms 48696 KB Output is correct
42 Correct 998 ms 50844 KB Output is correct
43 Correct 904 ms 50516 KB Output is correct
44 Correct 821 ms 50744 KB Output is correct
45 Correct 1640 ms 48876 KB Output is correct
46 Correct 794 ms 50880 KB Output is correct
47 Correct 2 ms 6492 KB Output is correct
48 Correct 161 ms 47048 KB Output is correct
49 Correct 159 ms 47188 KB Output is correct
50 Correct 158 ms 47188 KB Output is correct
51 Correct 168 ms 47184 KB Output is correct
52 Correct 157 ms 47184 KB Output is correct
53 Correct 159 ms 47188 KB Output is correct
54 Correct 162 ms 47040 KB Output is correct
55 Correct 157 ms 47184 KB Output is correct
56 Correct 173 ms 47440 KB Output is correct
57 Correct 157 ms 47184 KB Output is correct
58 Correct 166 ms 47224 KB Output is correct
59 Correct 158 ms 46928 KB Output is correct
60 Correct 158 ms 47700 KB Output is correct
61 Correct 166 ms 47264 KB Output is correct
62 Correct 2124 ms 9860 KB Output is correct
63 Correct 1417 ms 10068 KB Output is correct
64 Correct 1521 ms 9964 KB Output is correct
65 Correct 1571 ms 9748 KB Output is correct
66 Correct 1832 ms 9748 KB Output is correct
67 Correct 2083 ms 9836 KB Output is correct
68 Correct 2123 ms 9984 KB Output is correct
69 Correct 2261 ms 9908 KB Output is correct
70 Correct 2238 ms 9792 KB Output is correct
71 Correct 1226 ms 9932 KB Output is correct
72 Correct 2187 ms 9904 KB Output is correct
73 Correct 2275 ms 10156 KB Output is correct
74 Correct 2130 ms 9760 KB Output is correct
75 Correct 2174 ms 10172 KB Output is correct
76 Correct 999 ms 9956 KB Output is correct
77 Correct 2124 ms 9884 KB Output is correct
78 Correct 2344 ms 47608 KB Output is correct
79 Correct 1599 ms 49892 KB Output is correct
80 Correct 1646 ms 48704 KB Output is correct
81 Correct 1741 ms 48696 KB Output is correct
82 Correct 2009 ms 47684 KB Output is correct
83 Correct 2320 ms 47680 KB Output is correct
84 Correct 2344 ms 47696 KB Output is correct
85 Correct 2336 ms 47720 KB Output is correct
86 Correct 2267 ms 47664 KB Output is correct
87 Correct 1348 ms 49332 KB Output is correct
88 Correct 2328 ms 47676 KB Output is correct
89 Correct 2531 ms 47676 KB Output is correct
90 Correct 2326 ms 47848 KB Output is correct
91 Correct 2456 ms 47568 KB Output is correct
92 Correct 1277 ms 50660 KB Output is correct
93 Correct 2345 ms 48656 KB Output is correct