답안 #661031

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
661031 2022-11-24T00:33:56 Z ktkerem Village (BOI20_village) C++17
50 / 100
86 ms 17436 KB
/*#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")/**/
#include<bits/stdc++.h>
/**/
//typedef int ll;
typedef long long ll;
typedef unsigned long long ull;
typedef std::string str;
/*typedef __int128 vll;
typedef unsigned __int128 uvll;*/
#define llll std::pair<ll , ll>
#define pb push_back
#define pf push_front
#define halo cout << "hello\n"
#define fi first
#define sec second
#define all(a) a.begin() , a.end()
const ll limit = 1e14 + 7; 
const ll ous = 1e5 + 7;
const ll dx[4] = {-1 , 0 , 1 , 0} , dy[4] = {0,1,0,-1};
ll n , m;std::vector<ll> ar(ous) , mnvr(ous) , mxvr(ous);
ll mna , mxa , ct;
std::vector<ll> adj[ous];
std::vector<ll> v;
bool cmp(ll x , ll y){
    return ar[x] > ar[y];
}
void jd(ll crt , ll prv){
    v.pb(crt);
    for(auto j:adj[crt]){
        if(j != prv){
            jd(j , crt);
        }
    }
}
void klp(ll crt){
    std::sort(all(adj[crt]) , cmp);
    for(auto j:adj[crt]){
        jd(j , crt);
    }
    v.pb(crt);
    for(ll i = 0;v.size()>i;i++){
        mxvr[v[i]] = v[(ll)v.size() - i - 1];
        mxvr[v[(ll)v.size() - i - 1]] = v[i]; 
    }
}
void mdfs(ll crt , ll prv){
    for(auto j:adj[crt]){
        if(j != prv){
            mdfs(j , crt);
        }
    }
    if(crt == mnvr[crt]){
        mna+=2;
        if(prv == -1){
            ll tmp = mnvr[crt];
            mnvr[crt] = mnvr[adj[crt][0]];
            mnvr[adj[crt][0]] = tmp;
        }
        else{
            ll tmp = mnvr[crt];
            mnvr[crt] = mnvr[prv];
            mnvr[prv] = tmp;
        }
    }
}

ll fndcnt(ll crt , ll prv){
    ll z = 1 , mxx = 0;
    for(auto j:adj[crt]){
        if(j != prv){
            ll x = fndcnt(j , crt);
            z+=x;
            mxx += std::max(mxx , x);
        }
    }
    if(n - z <= n/2 && n/2 >= mxx){
        ct = crt;
    }
    return z;
}
ll fndsub(ll crt , ll prv){
    ll z = 1;
    for(auto j:adj[crt]){
        if(j != prv){
            ll x = fndsub(j , crt);
            z+=x;
        }
    }
    if(prv != -1){
        mxa += std::min(z , n - z) * 2;
    }
    ar[crt] = z;
    return z;
}
void solve(){
    std::cin >> n;
    for(ll i = 1;n>i;i++){
        ll x , y;std::cin >> x >> y;
        adj[x].pb(y);
        adj[y].pb(x);
    }
    for(ll i = 0;n>=i;i++){
        mnvr[i] = i;
        mxvr[i] = i;
    }
    mdfs(1 , -1);
    fndcnt(1 , -1);
    fndsub(ct , -1);
    klp(ct);
    std::cout << mna << " " << mxa << "\n";
    for(ll i = 1;n>=i;i++){
        std::cout << mnvr[i] << " ";
    }
    std::cout << "\n";
    for(ll i = 1;n>=i;i++){
        std::cout << mxvr[i] << " ";   
    }
    std::cout << "\n";
    return;/**/
}
signed main(){
    std::ios_base::sync_with_stdio(false);std::cin.tie(NULL);
    ll t=1;
    //std::cin >> t;
    ll o = 1;
    while(t--){ 
        //cout << "Case " << o++ << ":\n";
        solve();
    }
    return 0;
}/**/

Compilation message

Village.cpp:5:78: warning: "/*" within comment [-Wcomment]
    5 | #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")/**/
      |                                                                               
Village.cpp: In function 'void klp(ll)':
Village.cpp:45:26: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   45 |     for(ll i = 0;v.size()>i;i++){
      |                  ~~~~~~~~^~
Village.cpp: In function 'int main()':
Village.cpp:129:8: warning: unused variable 'o' [-Wunused-variable]
  129 |     ll o = 1;
      |        ^
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Partially correct 2 ms 4948 KB Partially correct
3 Correct 2 ms 4948 KB Output is correct
4 Partially correct 3 ms 4948 KB Partially correct
5 Partially correct 3 ms 4948 KB Partially correct
6 Partially correct 3 ms 4948 KB Partially correct
7 Partially correct 2 ms 4948 KB Partially correct
8 Correct 3 ms 4948 KB Output is correct
9 Partially correct 3 ms 4948 KB Partially correct
10 Partially correct 3 ms 4948 KB Partially correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Partially correct 2 ms 4948 KB Partially correct
14 Partially correct 2 ms 5040 KB Partially correct
15 Partially correct 2 ms 4948 KB Partially correct
16 Partially correct 2 ms 5076 KB Partially correct
17 Partially correct 3 ms 4948 KB Partially correct
# 결과 실행 시간 메모리 Grader output
1 Partially correct 3 ms 5040 KB Partially correct
2 Partially correct 3 ms 5040 KB Partially correct
3 Partially correct 3 ms 4948 KB Partially correct
4 Partially correct 3 ms 5052 KB Partially correct
5 Partially correct 3 ms 5076 KB Partially correct
6 Partially correct 3 ms 5076 KB Partially correct
7 Correct 3 ms 5076 KB Output is correct
8 Partially correct 4 ms 5076 KB Partially correct
9 Partially correct 3 ms 5076 KB Partially correct
10 Partially correct 3 ms 5076 KB Partially correct
11 Partially correct 3 ms 5076 KB Partially correct
12 Correct 3 ms 5044 KB Output is correct
13 Partially correct 3 ms 5076 KB Partially correct
14 Partially correct 3 ms 5076 KB Partially correct
15 Partially correct 3 ms 5076 KB Partially correct
16 Partially correct 3 ms 5032 KB Partially correct
17 Partially correct 3 ms 5076 KB Partially correct
18 Partially correct 3 ms 5076 KB Partially correct
19 Partially correct 3 ms 5076 KB Partially correct
20 Partially correct 3 ms 5044 KB Partially correct
21 Partially correct 3 ms 5076 KB Partially correct
22 Partially correct 3 ms 5076 KB Partially correct
23 Partially correct 3 ms 5076 KB Partially correct
24 Partially correct 3 ms 5076 KB Partially correct
25 Correct 3 ms 5076 KB Output is correct
26 Partially correct 3 ms 5076 KB Partially correct
27 Partially correct 3 ms 4948 KB Partially correct
28 Partially correct 3 ms 5076 KB Partially correct
29 Partially correct 3 ms 5048 KB Partially correct
30 Partially correct 3 ms 5204 KB Partially correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Partially correct 2 ms 4948 KB Partially correct
3 Correct 2 ms 4948 KB Output is correct
4 Partially correct 3 ms 4948 KB Partially correct
5 Partially correct 3 ms 4948 KB Partially correct
6 Partially correct 3 ms 4948 KB Partially correct
7 Partially correct 2 ms 4948 KB Partially correct
8 Correct 3 ms 4948 KB Output is correct
9 Partially correct 3 ms 4948 KB Partially correct
10 Partially correct 3 ms 4948 KB Partially correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Partially correct 2 ms 4948 KB Partially correct
14 Partially correct 2 ms 5040 KB Partially correct
15 Partially correct 2 ms 4948 KB Partially correct
16 Partially correct 2 ms 5076 KB Partially correct
17 Partially correct 3 ms 4948 KB Partially correct
18 Partially correct 3 ms 5040 KB Partially correct
19 Partially correct 3 ms 5040 KB Partially correct
20 Partially correct 3 ms 4948 KB Partially correct
21 Partially correct 3 ms 5052 KB Partially correct
22 Partially correct 3 ms 5076 KB Partially correct
23 Partially correct 3 ms 5076 KB Partially correct
24 Correct 3 ms 5076 KB Output is correct
25 Partially correct 4 ms 5076 KB Partially correct
26 Partially correct 3 ms 5076 KB Partially correct
27 Partially correct 3 ms 5076 KB Partially correct
28 Partially correct 3 ms 5076 KB Partially correct
29 Correct 3 ms 5044 KB Output is correct
30 Partially correct 3 ms 5076 KB Partially correct
31 Partially correct 3 ms 5076 KB Partially correct
32 Partially correct 3 ms 5076 KB Partially correct
33 Partially correct 3 ms 5032 KB Partially correct
34 Partially correct 3 ms 5076 KB Partially correct
35 Partially correct 3 ms 5076 KB Partially correct
36 Partially correct 3 ms 5076 KB Partially correct
37 Partially correct 3 ms 5044 KB Partially correct
38 Partially correct 3 ms 5076 KB Partially correct
39 Partially correct 3 ms 5076 KB Partially correct
40 Partially correct 3 ms 5076 KB Partially correct
41 Partially correct 3 ms 5076 KB Partially correct
42 Correct 3 ms 5076 KB Output is correct
43 Partially correct 3 ms 5076 KB Partially correct
44 Partially correct 3 ms 4948 KB Partially correct
45 Partially correct 3 ms 5076 KB Partially correct
46 Partially correct 3 ms 5048 KB Partially correct
47 Partially correct 3 ms 5204 KB Partially correct
48 Partially correct 48 ms 10524 KB Partially correct
49 Partially correct 55 ms 11064 KB Partially correct
50 Partially correct 53 ms 11152 KB Partially correct
51 Partially correct 42 ms 9760 KB Partially correct
52 Partially correct 66 ms 10944 KB Partially correct
53 Partially correct 50 ms 10424 KB Partially correct
54 Correct 33 ms 11064 KB Output is correct
55 Correct 86 ms 17436 KB Output is correct
56 Partially correct 81 ms 14700 KB Partially correct
57 Partially correct 67 ms 12888 KB Partially correct
58 Partially correct 61 ms 11992 KB Partially correct
59 Partially correct 53 ms 11176 KB Partially correct
60 Correct 64 ms 12040 KB Output is correct
61 Partially correct 46 ms 12188 KB Partially correct
62 Partially correct 51 ms 12352 KB Partially correct
63 Partially correct 55 ms 11840 KB Partially correct
64 Partially correct 53 ms 12356 KB Partially correct
65 Partially correct 51 ms 12440 KB Partially correct
66 Partially correct 49 ms 11948 KB Partially correct
67 Partially correct 42 ms 10500 KB Partially correct
68 Partially correct 41 ms 11292 KB Partially correct
69 Partially correct 50 ms 12488 KB Partially correct
70 Partially correct 53 ms 12048 KB Partially correct
71 Partially correct 36 ms 10264 KB Partially correct
72 Partially correct 37 ms 10948 KB Partially correct
73 Partially correct 52 ms 12544 KB Partially correct
74 Partially correct 45 ms 11824 KB Partially correct
75 Partially correct 59 ms 11524 KB Partially correct
76 Partially correct 53 ms 10956 KB Partially correct
77 Partially correct 54 ms 11468 KB Partially correct
78 Partially correct 32 ms 9172 KB Partially correct
79 Partially correct 36 ms 9812 KB Partially correct
80 Partially correct 62 ms 11600 KB Partially correct
81 Partially correct 53 ms 11584 KB Partially correct
82 Partially correct 49 ms 12100 KB Partially correct