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Submission #349003

# Submission time Handle Problem Language Result Execution time Memory
349003 2021-01-16T10:06:34 Z Killer2501 Race (IOI11_race) C++14
100 / 100
 582 ms 109292 KB 
#include <bits/stdc++.h>
#define pb push_back
#define task "sequence"
#define pll pair<ll, ll>
#define pii pair<ll, pll>
#define fi first
#define se second
using ll = long long;
const long long mod = 1e15+7;
const ll N = 2e5 + 5;
const int base = 350;
using ull = unsigned long long;
using namespace std;
ll n, m, t, k, T, a[N], cnt, ans, u, tong, v, b[N], c[N];
map<ll, ll> mp[N];
vector<pll> kq, adj[N];
void dfs(ll u, ll p, ll hi, ll we)
{
    mp[u][we] = hi;
    for(pll v : adj[u])
    {
        if(v.fi == p)continue;
        dfs(v.fi, u, hi+1, we+v.se);
        if(mp[u].size() < mp[v.fi].size())swap(mp[u], mp[v.fi]);
        for(pll x : mp[v.fi])
        {
            if(mp[u].count(we*2+m-x.fi))ans = min(ans, x.se + mp[u][we*2+m-x.fi] - 2 * hi);
        }
        for(pll x : mp[v.fi])
        {
            //if(v.fi == 2)cout << x.fi + v.se<<'\n';
            if(!mp[u].count(x.fi) || mp[u][x.fi] > x.se)
            {
                mp[u][x.fi] = x.se;
                if(x.fi== m)ans = min(ans, x.se);
            }

        }
        //cout <<u<<" "<< v.fi<<'\n';
    }

    //cout << u << '\n';
    //for(pll x : mp[u])cout << x.fi <<" "<<x.se<<'\n';
}
int best_path(int ni, int mi, int h[][2], int l[])
{
  	n = ni;
  	m = mi;
    //cin >> n >> m;
    for(int i = 0; i < n-1; i ++)
    {
        //cin >> a[i] >> b[i];
        a[i] = h[i][0];
        b[i] = h[i][1];
        c[i] = l[i];
    }
    for(int i = 0; i < n-1; i ++)
    {
        //cin >> k;
        adj[a[i]].pb({b[i], c[i]});
        adj[b[i]].pb({a[i], c[i]});
        //cout << a[i] <<" "<<b[i] <<" "<<k<<'\n';
    }
    ans = mod;
    dfs(0, 0, 0, 0);
    if(ans == mod)ans = -1;
    return ans;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 14444 KB Output is correct
2 Correct 10 ms 14444 KB Output is correct
3 Correct 10 ms 14444 KB Output is correct
4 Correct 10 ms 14444 KB Output is correct
5 Correct 10 ms 14444 KB Output is correct
6 Correct 10 ms 14444 KB Output is correct
7 Correct 12 ms 14592 KB Output is correct
8 Correct 10 ms 14444 KB Output is correct
9 Correct 10 ms 14444 KB Output is correct
10 Correct 12 ms 14444 KB Output is correct
11 Correct 10 ms 14444 KB Output is correct
12 Correct 10 ms 14444 KB Output is correct
13 Correct 10 ms 14444 KB Output is correct
14 Correct 10 ms 14444 KB Output is correct
15 Correct 10 ms 14444 KB Output is correct
16 Correct 10 ms 14444 KB Output is correct
17 Correct 10 ms 14444 KB Output is correct
18 Correct 10 ms 14460 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 14444 KB Output is correct
2 Correct 10 ms 14444 KB Output is correct
3 Correct 10 ms 14444 KB Output is correct
4 Correct 10 ms 14444 KB Output is correct
5 Correct 10 ms 14444 KB Output is correct
6 Correct 10 ms 14444 KB Output is correct
7 Correct 12 ms 14592 KB Output is correct
8 Correct 10 ms 14444 KB Output is correct
9 Correct 10 ms 14444 KB Output is correct
10 Correct 12 ms 14444 KB Output is correct
11 Correct 10 ms 14444 KB Output is correct
12 Correct 10 ms 14444 KB Output is correct
13 Correct 10 ms 14444 KB Output is correct
14 Correct 10 ms 14444 KB Output is correct
15 Correct 10 ms 14444 KB Output is correct
16 Correct 10 ms 14444 KB Output is correct
17 Correct 10 ms 14444 KB Output is correct
18 Correct 10 ms 14460 KB Output is correct
19 Correct 11 ms 14444 KB Output is correct
20 Correct 10 ms 14444 KB Output is correct
21 Correct 11 ms 14700 KB Output is correct
22 Correct 12 ms 14828 KB Output is correct
23 Correct 11 ms 14828 KB Output is correct
24 Correct 12 ms 14828 KB Output is correct
25 Correct 12 ms 14828 KB Output is correct
26 Correct 13 ms 14828 KB Output is correct
27 Correct 12 ms 14700 KB Output is correct
28 Correct 11 ms 14828 KB Output is correct
29 Correct 14 ms 14828 KB Output is correct
30 Correct 14 ms 14828 KB Output is correct
31 Correct 11 ms 14828 KB Output is correct
32 Correct 12 ms 14828 KB Output is correct
33 Correct 13 ms 14828 KB Output is correct
34 Correct 11 ms 14700 KB Output is correct
35 Correct 11 ms 14700 KB Output is correct
36 Correct 14 ms 14700 KB Output is correct
37 Correct 13 ms 14700 KB Output is correct
38 Correct 11 ms 14700 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 14444 KB Output is correct
2 Correct 10 ms 14444 KB Output is correct
3 Correct 10 ms 14444 KB Output is correct
4 Correct 10 ms 14444 KB Output is correct
5 Correct 10 ms 14444 KB Output is correct
6 Correct 10 ms 14444 KB Output is correct
7 Correct 12 ms 14592 KB Output is correct
8 Correct 10 ms 14444 KB Output is correct
9 Correct 10 ms 14444 KB Output is correct
10 Correct 12 ms 14444 KB Output is correct
11 Correct 10 ms 14444 KB Output is correct
12 Correct 10 ms 14444 KB Output is correct
13 Correct 10 ms 14444 KB Output is correct
14 Correct 10 ms 14444 KB Output is correct
15 Correct 10 ms 14444 KB Output is correct
16 Correct 10 ms 14444 KB Output is correct
17 Correct 10 ms 14444 KB Output is correct
18 Correct 10 ms 14460 KB Output is correct
19 Correct 163 ms 40044 KB Output is correct
20 Correct 205 ms 40172 KB Output is correct
21 Correct 172 ms 39788 KB Output is correct
22 Correct 171 ms 39532 KB Output is correct
23 Correct 270 ms 52204 KB Output is correct
24 Correct 168 ms 42220 KB Output is correct
25 Correct 138 ms 40816 KB Output is correct
26 Correct 83 ms 49004 KB Output is correct
27 Correct 243 ms 54252 KB Output is correct
28 Correct 381 ms 96388 KB Output is correct
29 Correct 361 ms 94700 KB Output is correct
30 Correct 261 ms 54252 KB Output is correct
31 Correct 246 ms 54252 KB Output is correct
32 Correct 320 ms 54380 KB Output is correct
33 Correct 298 ms 59244 KB Output is correct
34 Correct 436 ms 92012 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 14444 KB Output is correct
2 Correct 10 ms 14444 KB Output is correct
3 Correct 10 ms 14444 KB Output is correct
4 Correct 10 ms 14444 KB Output is correct
5 Correct 10 ms 14444 KB Output is correct
6 Correct 10 ms 14444 KB Output is correct
7 Correct 12 ms 14592 KB Output is correct
8 Correct 10 ms 14444 KB Output is correct
9 Correct 10 ms 14444 KB Output is correct
10 Correct 12 ms 14444 KB Output is correct
11 Correct 10 ms 14444 KB Output is correct
12 Correct 10 ms 14444 KB Output is correct
13 Correct 10 ms 14444 KB Output is correct
14 Correct 10 ms 14444 KB Output is correct
15 Correct 10 ms 14444 KB Output is correct
16 Correct 10 ms 14444 KB Output is correct
17 Correct 10 ms 14444 KB Output is correct
18 Correct 10 ms 14460 KB Output is correct
19 Correct 11 ms 14444 KB Output is correct
20 Correct 10 ms 14444 KB Output is correct
21 Correct 11 ms 14700 KB Output is correct
22 Correct 12 ms 14828 KB Output is correct
23 Correct 11 ms 14828 KB Output is correct
24 Correct 12 ms 14828 KB Output is correct
25 Correct 12 ms 14828 KB Output is correct
26 Correct 13 ms 14828 KB Output is correct
27 Correct 12 ms 14700 KB Output is correct
28 Correct 11 ms 14828 KB Output is correct
29 Correct 14 ms 14828 KB Output is correct
30 Correct 14 ms 14828 KB Output is correct
31 Correct 11 ms 14828 KB Output is correct
32 Correct 12 ms 14828 KB Output is correct
33 Correct 13 ms 14828 KB Output is correct
34 Correct 11 ms 14700 KB Output is correct
35 Correct 11 ms 14700 KB Output is correct
36 Correct 14 ms 14700 KB Output is correct
37 Correct 13 ms 14700 KB Output is correct
38 Correct 11 ms 14700 KB Output is correct
39 Correct 163 ms 40044 KB Output is correct
40 Correct 205 ms 40172 KB Output is correct
41 Correct 172 ms 39788 KB Output is correct
42 Correct 171 ms 39532 KB Output is correct
43 Correct 270 ms 52204 KB Output is correct
44 Correct 168 ms 42220 KB Output is correct
45 Correct 138 ms 40816 KB Output is correct
46 Correct 83 ms 49004 KB Output is correct
47 Correct 243 ms 54252 KB Output is correct
48 Correct 381 ms 96388 KB Output is correct
49 Correct 361 ms 94700 KB Output is correct
50 Correct 261 ms 54252 KB Output is correct
51 Correct 246 ms 54252 KB Output is correct
52 Correct 320 ms 54380 KB Output is correct
53 Correct 298 ms 59244 KB Output is correct
54 Correct 436 ms 92012 KB Output is correct
55 Correct 27 ms 18028 KB Output is correct
56 Correct 19 ms 16620 KB Output is correct
57 Correct 93 ms 37484 KB Output is correct
58 Correct 70 ms 30044 KB Output is correct
59 Correct 113 ms 55276 KB Output is correct
60 Correct 340 ms 95084 KB Output is correct
61 Correct 292 ms 57836 KB Output is correct
62 Correct 238 ms 54252 KB Output is correct
63 Correct 313 ms 54380 KB Output is correct
64 Correct 571 ms 109292 KB Output is correct
65 Correct 582 ms 107504 KB Output is correct
66 Correct 376 ms 90584 KB Output is correct
67 Correct 233 ms 47188 KB Output is correct
68 Correct 451 ms 70636 KB Output is correct
69 Correct 482 ms 75396 KB Output is correct
70 Correct 429 ms 68204 KB Output is correct