Submission #661089

# Submission time Handle Problem Language Result Execution time Memory
661089 2022-11-24T09:51:39 Z ktkerem Village (BOI20_village) C++17
50 / 100
96 ms 16192 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 = 1;
    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;
      |        ^
# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 4948 KB Partially correct
2 Partially correct 3 ms 4980 KB Partially correct
3 Correct 2 ms 4948 KB Output is correct
4 Partially correct 2 ms 4948 KB Partially correct
5 Partially correct 3 ms 4948 KB Partially correct
6 Partially correct 2 ms 4948 KB Partially correct
7 Partially correct 2 ms 4948 KB Partially correct
8 Partially correct 2 ms 4948 KB Partially correct
9 Partially correct 3 ms 4948 KB Partially correct
10 Correct 3 ms 4948 KB Output is correct
11 Partially correct 2 ms 4948 KB Partially correct
12 Partially correct 3 ms 4948 KB Partially correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Partially correct 3 ms 4948 KB Partially correct
2 Partially correct 4 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 3 ms 5076 KB Partially correct
6 Partially correct 3 ms 5076 KB Partially correct
7 Partially correct 3 ms 5076 KB Partially correct
8 Partially correct 3 ms 5076 KB Partially correct
9 Partially correct 3 ms 5076 KB Partially correct
10 Correct 3 ms 5076 KB Output is correct
11 Correct 3 ms 5076 KB Output is 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 3 ms 5076 KB Partially correct
20 Partially correct 4 ms 5076 KB Partially correct
21 Partially correct 3 ms 5076 KB Partially correct
22 Partially correct 2 ms 5076 KB Partially correct
23 Partially correct 3 ms 5076 KB Partially correct
24 Partially correct 3 ms 5076 KB Partially correct
25 Partially correct 2 ms 4948 KB Partially correct
26 Partially correct 3 ms 5076 KB Partially correct
27 Partially correct 2 ms 5076 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
# Verdict Execution time Memory Grader output
1 Partially correct 2 ms 4948 KB Partially correct
2 Partially correct 3 ms 4980 KB Partially correct
3 Correct 2 ms 4948 KB Output is correct
4 Partially correct 2 ms 4948 KB Partially correct
5 Partially correct 3 ms 4948 KB Partially correct
6 Partially correct 2 ms 4948 KB Partially correct
7 Partially correct 2 ms 4948 KB Partially correct
8 Partially correct 2 ms 4948 KB Partially correct
9 Partially correct 3 ms 4948 KB Partially correct
10 Correct 3 ms 4948 KB Output is correct
11 Partially correct 2 ms 4948 KB Partially correct
12 Partially correct 3 ms 4948 KB Partially correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Partially correct 3 ms 4948 KB Partially correct
19 Partially correct 4 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 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 Partially correct 3 ms 5076 KB Partially correct
26 Partially correct 3 ms 5076 KB Partially correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is 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 3 ms 5076 KB Partially correct
37 Partially correct 4 ms 5076 KB Partially correct
38 Partially correct 3 ms 5076 KB Partially correct
39 Partially correct 2 ms 5076 KB Partially correct
40 Partially correct 3 ms 5076 KB Partially correct
41 Partially correct 3 ms 5076 KB Partially correct
42 Partially correct 2 ms 4948 KB Partially correct
43 Partially correct 3 ms 5076 KB Partially correct
44 Partially correct 2 ms 5076 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 64 ms 10344 KB Partially correct
49 Partially correct 64 ms 10792 KB Partially correct
50 Partially correct 71 ms 10884 KB Partially correct
51 Partially correct 57 ms 9616 KB Partially correct
52 Partially correct 70 ms 10764 KB Partially correct
53 Partially correct 58 ms 10188 KB Partially correct
54 Partially correct 44 ms 10416 KB Partially correct
55 Partially correct 88 ms 16192 KB Partially correct
56 Correct 81 ms 13524 KB Output is correct
57 Partially correct 89 ms 12612 KB Partially correct
58 Correct 84 ms 11720 KB Output is correct
59 Partially correct 78 ms 10960 KB Partially correct
60 Correct 46 ms 11028 KB Output is correct
61 Partially correct 46 ms 10944 KB Partially correct
62 Partially correct 54 ms 11176 KB Partially correct
63 Partially correct 54 ms 10780 KB Partially correct
64 Partially correct 52 ms 11272 KB Partially correct
65 Partially correct 66 ms 11336 KB Partially correct
66 Partially correct 45 ms 10808 KB Partially correct
67 Partially correct 33 ms 9536 KB Partially correct
68 Partially correct 63 ms 10416 KB Partially correct
69 Partially correct 51 ms 11372 KB Partially correct
70 Partially correct 44 ms 10972 KB Partially correct
71 Partially correct 33 ms 9408 KB Partially correct
72 Partially correct 37 ms 9956 KB Partially correct
73 Partially correct 48 ms 11464 KB Partially correct
74 Partially correct 47 ms 10764 KB Partially correct
75 Partially correct 96 ms 11360 KB Partially correct
76 Partially correct 56 ms 10704 KB Partially correct
77 Partially correct 72 ms 11268 KB Partially correct
78 Partially correct 39 ms 9080 KB Partially correct
79 Partially correct 44 ms 9644 KB Partially correct
80 Partially correct 68 ms 11324 KB Partially correct
81 Partially correct 54 ms 11416 KB Partially correct
82 Partially correct 48 ms 11008 KB Partially correct