oj.uz

답안 #935724

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
935724 2024-02-29T12:30:40 Z lftroq 경주 (Race) (IOI11_race) C++14
100 / 100
 382 ms 108700 KB 
/*

                                             :-=-
                                        :%@@@@@@@@@=
                                     .#@@@@@%@%@@@@@@=
                                    -@@@@@@@@@@@@@@@@@#
                                  .+@@@@@@@@@@@@@@@@@@@@.
                                  #@@@@@@@@@@@@@@@@@@@@@%
                                .*@@@@@@@@@@@@@@@@@@@@@@@=        ／￣￣￣￣￣￣￣￣￣＼
                                .@@@@@@@@@@@@@@@@@@@@@@@@#       |      lftroq ♥      |
                                +@@@@@@@@@@@%%@@@@@@@@@@@@-       ＼＿＿＿＿＿＿＿＿＿／
                               .%@@@@@@@@@@%##%@@@@@@@@@@@#        /／
                               -@@@@@@@@%%%%%%%%%@@@@@@@@@@:
                          -+-  =@@@@@%##%#%##**+#@@@@@@@@@@-
                          .+++.%@@@%##%%%%%%%#**+##%%@@@@@@+
                            +=*%@@@#*###%%#=--+=+*##%@@@@@@%.
                            :*+%@@*+**##*=======+***#@@@@@@@:
                             =+++**%@###*=++=-==++**#@@@@@@@:
                           .**===*%@@@##+=**#*==***@@@@@@@@@:
                          :+++=+*+%%@@%#==+*%#*+=++@@@@@@@@%
                          .**#*+*+**+%#+=---=***+==*@@@@@@@:
                          :**#*+=+**@%##*%#++++--=++#@@@@@@@+-::.
                         =%**###**#@@%*=*%%%%%*==++++%@@@@@@#=-----.
                      .%@@%***###@@@%*++%%%#*===+=++++%@@@@%*=-----=.
                      =**##+=+##@@@@=+%+=***#%@#+**++++%@@%+=-------=:
                    .++===++====@@@@+--==-=#%%%%+++*++++#%+=------==+=.
                   -++--=++-:::::=#@#----+--*%%*+**+++++++==-----===--+=
                   :*+=--++-::::::--=-----==-=%==+%%***++=---=---===-=++:
                    :*+--+=-::::::::---:----+=-=++##***===-::::-+----=*+:
                     .=--:::.:::-=-::---::--------++--=====-::::--:-==++
                     :=::::::--::::::--=+-:--++++==++--==:::-:::----==+=
                     *-:::::::.....:-++++++++++++++=+=---::::===-:------
                    :+:--:......:-+++++++++++++++++====---:--=-=----:-:=.
                    :==--:::.:=+++++++++++++++++++++-::===-:-===-----=--:
                    .+=--:::-:=+++++==++++++++++++++=--:.:-===+-------+=-.
                     .+==-----::-+++-:+++=====+++++++=--=======--:----==+=.
                     :+===-----------:-++====+++++++++=--==--+-:------==-::
                      +=====-::----+-::-+====+++++++++++=---==:-===:-==-==.
                      :+===========+-::::-----+++++++++++*=--======-=+=-=.
                       .=========++=-::::::----:::-++++++*+=+======+++==.
                          .=========-::::::-----:::=+++++**+=+**====-:.   .
                             *======-::::::::-:-----++++++++==++++++-
                             #======-:::::::::-------++++++++====+++=
                             =======-:::::::::----:::=+++++++=====+++
                             =====---:::::::::::------=++++++===+==++=
                             :===-:--:::::::::::-------+++++++===++=++
                             .===-:--:::::::::::::-----=+++++====++===.
                             .+=-::--::::::::::::-:-----++++++====++=+:
                             .=-:::--::::::::::::-------=+++++===-----+=
                             .=-:::--:::::::::::---------=++++==-----==+=.
                             .=-:::---:::::::::::---------+++===-----===++.
                             .=::::---:::::::-:-----------=++==-:-----===+-
                             .--:::---:::::::--------------=+=----==--===+-
                             .=::::---::::::::::-------===--==-------=--==:
                             .=--::--::::----:---:::::-:----:::-----======-
                             .=---:--:::---::::::--------------------==++++
*/
#include <bits/stdc++.h>
#define fastIO ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MOD 1000000007LL
#define MOD2 998244353LL
#define endl '\n'
#define PI acos(-1)
#define INFINITE 2147483647LL
#define INFINITE2 9223372036854775807
#define llll pair<ll,ll>
#define ldld pair<ld,ld>
#define fi first
#define se second
#define sqrt sqrtl
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

using namespace std;

ll ans=INFINITE,nn,kk;
vector<llll> graph[200005];
map<ll,ll> m[200005];
ll h[200005],c[200005];

void dfs(int u,int p)
{
    ll t=kk+2*c[u];
    for(int i=0;i<(int)graph[u].size();i++)
    {
        ll v=graph[u][i].fi,w=graph[u][i].se;
        if(v==p) continue;
        h[v]=h[u]+1;
        c[v]=c[u]+w;
        m[v][c[v]]=h[v];
        dfs(v,u);
        if(m[v].size()>m[u].size()) swap(m[u],m[v]);
        for(map<ll,ll>::iterator it=m[v].begin();it!=m[v].end();it++) if(m[u].find(t-it->fi)!=m[u].end()) ans=min(ans,m[u][t-it->fi]+it->se-2*h[u]);
        for(map<ll,ll>::iterator it=m[v].begin();it!=m[v].end();it++) if(m[u].find(it->fi)!=m[u].end()) m[u][it->fi]=min(m[u][it->fi],it->se); else m[u][it->fi]=it->se;
    }
}

int best_path(int n,int k,int edges[][2],int weights[])
{
    nn=n;kk=k;
    for(int i=0;i<n;i++)
    {
        ll u,v,w;
        u=edges[i][0];
        v=edges[i][1];
        u++;v++;
        w=weights[i];
        graph[u].push_back({v,w});
        graph[v].push_back({u,w});
    }
    dfs(1,1);
    if(ans==INFINITE) ans=-1;
    if(k==1) ans=0;
    return ans;
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19288 KB Output is correct
2 Correct 4 ms 19292 KB Output is correct
3 Correct 4 ms 19244 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 5 ms 19292 KB Output is correct
6 Correct 4 ms 19292 KB Output is correct
7 Correct 4 ms 19216 KB Output is correct
8 Correct 4 ms 19544 KB Output is correct
9 Correct 5 ms 19292 KB Output is correct
10 Correct 4 ms 19296 KB Output is correct
11 Correct 4 ms 19292 KB Output is correct
12 Correct 4 ms 19292 KB Output is correct
13 Correct 4 ms 19292 KB Output is correct
14 Correct 4 ms 19292 KB Output is correct
15 Correct 4 ms 19288 KB Output is correct
16 Correct 4 ms 19288 KB Output is correct
17 Correct 4 ms 19292 KB Output is correct
18 Correct 4 ms 19292 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19288 KB Output is correct
2 Correct 4 ms 19292 KB Output is correct
3 Correct 4 ms 19244 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 5 ms 19292 KB Output is correct
6 Correct 4 ms 19292 KB Output is correct
7 Correct 4 ms 19216 KB Output is correct
8 Correct 4 ms 19544 KB Output is correct
9 Correct 5 ms 19292 KB Output is correct
10 Correct 4 ms 19296 KB Output is correct
11 Correct 4 ms 19292 KB Output is correct
12 Correct 4 ms 19292 KB Output is correct
13 Correct 4 ms 19292 KB Output is correct
14 Correct 4 ms 19292 KB Output is correct
15 Correct 4 ms 19288 KB Output is correct
16 Correct 4 ms 19288 KB Output is correct
17 Correct 4 ms 19292 KB Output is correct
18 Correct 4 ms 19292 KB Output is correct
19 Correct 4 ms 19036 KB Output is correct
20 Correct 4 ms 19288 KB Output is correct
21 Correct 5 ms 19292 KB Output is correct
22 Correct 5 ms 19544 KB Output is correct
23 Correct 6 ms 19548 KB Output is correct
24 Correct 5 ms 19516 KB Output is correct
25 Correct 5 ms 19548 KB Output is correct
26 Correct 5 ms 19544 KB Output is correct
27 Correct 5 ms 19288 KB Output is correct
28 Correct 6 ms 19548 KB Output is correct
29 Correct 5 ms 19548 KB Output is correct
30 Correct 5 ms 19544 KB Output is correct
31 Correct 7 ms 19548 KB Output is correct
32 Correct 5 ms 19548 KB Output is correct
33 Correct 6 ms 19504 KB Output is correct
34 Correct 5 ms 19292 KB Output is correct
35 Correct 5 ms 19292 KB Output is correct
36 Correct 5 ms 19292 KB Output is correct
37 Correct 5 ms 19292 KB Output is correct
38 Correct 5 ms 19292 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19288 KB Output is correct
2 Correct 4 ms 19292 KB Output is correct
3 Correct 4 ms 19244 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 5 ms 19292 KB Output is correct
6 Correct 4 ms 19292 KB Output is correct
7 Correct 4 ms 19216 KB Output is correct
8 Correct 4 ms 19544 KB Output is correct
9 Correct 5 ms 19292 KB Output is correct
10 Correct 4 ms 19296 KB Output is correct
11 Correct 4 ms 19292 KB Output is correct
12 Correct 4 ms 19292 KB Output is correct
13 Correct 4 ms 19292 KB Output is correct
14 Correct 4 ms 19292 KB Output is correct
15 Correct 4 ms 19288 KB Output is correct
16 Correct 4 ms 19288 KB Output is correct
17 Correct 4 ms 19292 KB Output is correct
18 Correct 4 ms 19292 KB Output is correct
19 Correct 102 ms 43344 KB Output is correct
20 Correct 117 ms 44300 KB Output is correct
21 Correct 95 ms 43668 KB Output is correct
22 Correct 104 ms 43880 KB Output is correct
23 Correct 141 ms 56832 KB Output is correct
24 Correct 107 ms 46656 KB Output is correct
25 Correct 87 ms 43604 KB Output is correct
26 Correct 52 ms 49864 KB Output is correct
27 Correct 155 ms 54844 KB Output is correct
28 Correct 258 ms 90820 KB Output is correct
29 Correct 255 ms 89604 KB Output is correct
30 Correct 162 ms 55380 KB Output is correct
31 Correct 170 ms 55664 KB Output is correct
32 Correct 207 ms 55268 KB Output is correct
33 Correct 205 ms 60500 KB Output is correct
34 Correct 280 ms 92756 KB Output is correct

Subtask #4
57.0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 19288 KB Output is correct
2 Correct 4 ms 19292 KB Output is correct
3 Correct 4 ms 19244 KB Output is correct
4 Correct 4 ms 19036 KB Output is correct
5 Correct 5 ms 19292 KB Output is correct
6 Correct 4 ms 19292 KB Output is correct
7 Correct 4 ms 19216 KB Output is correct
8 Correct 4 ms 19544 KB Output is correct
9 Correct 5 ms 19292 KB Output is correct
10 Correct 4 ms 19296 KB Output is correct
11 Correct 4 ms 19292 KB Output is correct
12 Correct 4 ms 19292 KB Output is correct
13 Correct 4 ms 19292 KB Output is correct
14 Correct 4 ms 19292 KB Output is correct
15 Correct 4 ms 19288 KB Output is correct
16 Correct 4 ms 19288 KB Output is correct
17 Correct 4 ms 19292 KB Output is correct
18 Correct 4 ms 19292 KB Output is correct
19 Correct 4 ms 19036 KB Output is correct
20 Correct 4 ms 19288 KB Output is correct
21 Correct 5 ms 19292 KB Output is correct
22 Correct 5 ms 19544 KB Output is correct
23 Correct 6 ms 19548 KB Output is correct
24 Correct 5 ms 19516 KB Output is correct
25 Correct 5 ms 19548 KB Output is correct
26 Correct 5 ms 19544 KB Output is correct
27 Correct 5 ms 19288 KB Output is correct
28 Correct 6 ms 19548 KB Output is correct
29 Correct 5 ms 19548 KB Output is correct
30 Correct 5 ms 19544 KB Output is correct
31 Correct 7 ms 19548 KB Output is correct
32 Correct 5 ms 19548 KB Output is correct
33 Correct 6 ms 19504 KB Output is correct
34 Correct 5 ms 19292 KB Output is correct
35 Correct 5 ms 19292 KB Output is correct
36 Correct 5 ms 19292 KB Output is correct
37 Correct 5 ms 19292 KB Output is correct
38 Correct 5 ms 19292 KB Output is correct
39 Correct 102 ms 43344 KB Output is correct
40 Correct 117 ms 44300 KB Output is correct
41 Correct 95 ms 43668 KB Output is correct
42 Correct 104 ms 43880 KB Output is correct
43 Correct 141 ms 56832 KB Output is correct
44 Correct 107 ms 46656 KB Output is correct
45 Correct 87 ms 43604 KB Output is correct
46 Correct 52 ms 49864 KB Output is correct
47 Correct 155 ms 54844 KB Output is correct
48 Correct 258 ms 90820 KB Output is correct
49 Correct 255 ms 89604 KB Output is correct
50 Correct 162 ms 55380 KB Output is correct
51 Correct 170 ms 55664 KB Output is correct
52 Correct 207 ms 55268 KB Output is correct
53 Correct 205 ms 60500 KB Output is correct
54 Correct 280 ms 92756 KB Output is correct
55 Correct 15 ms 22360 KB Output is correct
56 Correct 10 ms 21084 KB Output is correct
57 Correct 60 ms 40856 KB Output is correct
58 Correct 43 ms 34500 KB Output is correct
59 Correct 73 ms 56236 KB Output is correct
60 Correct 249 ms 89928 KB Output is correct
61 Correct 189 ms 58368 KB Output is correct
62 Correct 151 ms 55192 KB Output is correct
63 Correct 200 ms 55320 KB Output is correct
64 Correct 382 ms 108700 KB Output is correct
65 Correct 363 ms 108360 KB Output is correct
66 Correct 276 ms 84656 KB Output is correct
67 Correct 150 ms 49292 KB Output is correct
68 Correct 296 ms 71252 KB Output is correct
69 Correct 330 ms 73820 KB Output is correct
70 Correct 285 ms 69556 KB Output is correct