oj.uz

Submission #661050

# Submission time Handle Problem Language Result Execution time Memory
661050 2022-11-24T06:22:58 Z ktkerem Village (BOI20_village) C++17
50 / 100
 90 ms 16184 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];
    }
}
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:128:8: warning: unused variable 'o' [-Wunused-variable]
  128 |     ll o = 1;
      |        ^

Subtask #1
6.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Partially correct 3 ms 4948 KB Partially correct
3 Correct 2 ms 4948 KB Output is correct
4 Partially correct 2 ms 4948 KB Partially correct
5 Partially correct 2 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 2 ms 4948 KB Output is correct
9 Partially correct 2 ms 4948 KB Partially correct
10 Partially correct 2 ms 4948 KB Partially correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Partially correct 2 ms 4948 KB Partially correct
14 Partially correct 3 ms 4948 KB Partially correct
15 Partially correct 2 ms 4948 KB Partially correct
16 Partially correct 2 ms 4948 KB Partially correct
17 Partially correct 2 ms 4948 KB Partially correct

Subtask #2
19.0 / 38.0

# Verdict Execution time Memory Grader output
1 Partially correct 3 ms 4948 KB Partially correct
2 Partially correct 2 ms 4948 KB Partially correct
3 Partially correct 2 ms 4948 KB Partially correct
4 Partially correct 3 ms 5076 KB Partially correct
5 Partially correct 2 ms 4948 KB Partially correct
6 Partially correct 3 ms 5076 KB Partially correct
7 Correct 3 ms 5076 KB Output is correct
8 Partially correct 3 ms 5076 KB Partially correct
9 Partially correct 3 ms 4948 KB Partially correct
10 Partially correct 3 ms 5076 KB Partially correct
11 Partially correct 2 ms 5076 KB Partially correct
12 Correct 3 ms 5076 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 5076 KB Partially correct
17 Partially correct 3 ms 5076 KB Partially correct
18 Partially correct 3 ms 5076 KB Partially correct
19 Partially correct 2 ms 5076 KB Partially correct
20 Partially correct 2 ms 5076 KB Partially correct
21 Partially correct 2 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 2 ms 4948 KB Partially correct
25 Correct 2 ms 4948 KB Output is correct
26 Partially correct 3 ms 5076 KB Partially correct
27 Partially correct 2 ms 4948 KB Partially correct
28 Partially correct 3 ms 5076 KB Partially correct
29 Partially correct 3 ms 5076 KB Partially correct
30 Partially correct 3 ms 5076 KB Partially correct

Subtask #3
25.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Partially correct 3 ms 4948 KB Partially correct
3 Correct 2 ms 4948 KB Output is correct
4 Partially correct 2 ms 4948 KB Partially correct
5 Partially correct 2 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 2 ms 4948 KB Output is correct
9 Partially correct 2 ms 4948 KB Partially correct
10 Partially correct 2 ms 4948 KB Partially correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Partially correct 2 ms 4948 KB Partially correct
14 Partially correct 3 ms 4948 KB Partially correct
15 Partially correct 2 ms 4948 KB Partially correct
16 Partially correct 2 ms 4948 KB Partially correct
17 Partially correct 2 ms 4948 KB Partially correct
18 Partially correct 3 ms 4948 KB Partially correct
19 Partially correct 2 ms 4948 KB Partially correct
20 Partially correct 2 ms 4948 KB Partially correct
21 Partially correct 3 ms 5076 KB Partially correct
22 Partially correct 2 ms 4948 KB Partially correct
23 Partially correct 3 ms 5076 KB Partially correct
24 Correct 3 ms 5076 KB Output is correct
25 Partially correct 3 ms 5076 KB Partially correct
26 Partially correct 3 ms 4948 KB Partially correct
27 Partially correct 3 ms 5076 KB Partially correct
28 Partially correct 2 ms 5076 KB Partially correct
29 Correct 3 ms 5076 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 5076 KB Partially correct
34 Partially correct 3 ms 5076 KB Partially correct
35 Partially correct 3 ms 5076 KB Partially correct
36 Partially correct 2 ms 5076 KB Partially correct
37 Partially correct 2 ms 5076 KB Partially correct
38 Partially correct 2 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 2 ms 4948 KB Partially correct
42 Correct 2 ms 4948 KB Output is correct
43 Partially correct 3 ms 5076 KB Partially correct
44 Partially correct 2 ms 4948 KB Partially correct
45 Partially correct 3 ms 5076 KB Partially correct
46 Partially correct 3 ms 5076 KB Partially correct
47 Partially correct 3 ms 5076 KB Partially correct
48 Partially correct 45 ms 9420 KB Partially correct
49 Partially correct 53 ms 9992 KB Partially correct
50 Partially correct 51 ms 9976 KB Partially correct
51 Partially correct 37 ms 8780 KB Partially correct
52 Partially correct 55 ms 9812 KB Partially correct
53 Partially correct 58 ms 9420 KB Partially correct
54 Correct 32 ms 10420 KB Output is correct
55 Correct 90 ms 16184 KB Output is correct
56 Partially correct 81 ms 13576 KB Partially correct
57 Partially correct 64 ms 11648 KB Partially correct
58 Partially correct 63 ms 10828 KB Partially correct
59 Partially correct 63 ms 10012 KB Partially correct
60 Correct 45 ms 10924 KB Output is correct
61 Partially correct 44 ms 10936 KB Partially correct
62 Partially correct 49 ms 11224 KB Partially correct
63 Partially correct 50 ms 10844 KB Partially correct
64 Partially correct 53 ms 11184 KB Partially correct
65 Partially correct 51 ms 11324 KB Partially correct
66 Partially correct 54 ms 10900 KB Partially correct
67 Partially correct 33 ms 9552 KB Partially correct
68 Partially correct 40 ms 10304 KB Partially correct
69 Partially correct 51 ms 11436 KB Partially correct
70 Partially correct 45 ms 10932 KB Partially correct
71 Partially correct 34 ms 9440 KB Partially correct
72 Partially correct 36 ms 10048 KB Partially correct
73 Partially correct 53 ms 11404 KB Partially correct
74 Partially correct 44 ms 10760 KB Partially correct
75 Partially correct 58 ms 10384 KB Partially correct
76 Partially correct 49 ms 9804 KB Partially correct
77 Partially correct 47 ms 10432 KB Partially correct
78 Partially correct 33 ms 8512 KB Partially correct
79 Partially correct 37 ms 8908 KB Partially correct
80 Partially correct 55 ms 10376 KB Partially correct
81 Partially correct 46 ms 10572 KB Partially correct
82 Partially correct 50 ms 10948 KB Partially correct