oj.uz

Submission #571592

# Submission time Handle Problem Language Result Execution time Memory
571592 2022-06-02T11:31:13 Z zaneyu Chameleon's Love (JOI20_chameleon) C++14
100 / 100
 70 ms 12236 KB 
#include "chameleon.h"
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<long long,null_type,less_equal<long long>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")
//order_of_key #of elements less than x
// find_by_order kth element
using ll=long long;
using ld=long double;
using pii=pair<int,int>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()),c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll maxn=5e5+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const int MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-6;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
template<typename T1,typename T2>
ostream& operator<<(ostream& out,pair<T1,T2> P){
    out<<P.f<<' '<<P.s;
    return out;
}
template<typename T>
ostream& operator<<(ostream& out,vector<T> V){
    REP(i,sz(V)) out<<V[i]<<((i!=sz(V)-1)?" ":"");
    return out;
}
namespace {
vector<int> vv[maxn];
bool hv(vector<int> v,int x){
    v.pb(x);
    return Query(v)!=sz(v);
}
int col[maxn];
void dfs(int u,int c){
    col[u]=c;
    for(int x:vv[u]){
        if(!col[x]) dfs(x,3-c);
    }
}
}  // namespace
void Solve(int n) {
    REP1(i,2*n){
        vector<int> v[2];
        REP1(j,i-1) col[j]=0;
        REP1(j,i-1){
            if(!col[j]) dfs(j,1);
        }
        REP1(j,i-1) v[col[j]-1].pb(j);
        REP(j,2){
            while(hv(v[j],i)){
                int l=0,r=sz(v[j])-1;
                while(l<r){
                    int mid=(l+r)/2;
                    vector<int> vv;
                    REP(k,mid+1) vv.pb(v[j][k]);
                    if(hv(vv,i)) r=mid;
                    else l=mid+1;
                }
                int x=v[j][l];
                vv[i].pb(x),vv[x].pb(i);
                v[j].erase(v[j].begin(),v[j].begin()+l+1);
            }
        }
    }
    //REP1(i,2*n) cout<<i<<' '<<vv[i]<<'\n';
    REP1(i,2*n){
        for(int x:vv[i]){
            assert(Query({i,x})==1);
            if(i>x) continue;
            vector<int> vv;
            REP1(k,2*n){
                if(k==i or k==x) continue;
                vv.pb(k);
            }
            if(Query(vv)<=n-1){
                Answer(i,x);
                break;
            } 
        }
    }
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11984 KB Output is correct
2 Correct 6 ms 11996 KB Output is correct
3 Correct 41 ms 12236 KB Output is correct
4 Correct 41 ms 12132 KB Output is correct
5 Correct 40 ms 12112 KB Output is correct
6 Correct 41 ms 12132 KB Output is correct
7 Correct 40 ms 12112 KB Output is correct
8 Correct 40 ms 12112 KB Output is correct
9 Correct 44 ms 12140 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12064 KB Output is correct
2 Correct 6 ms 11984 KB Output is correct
3 Correct 7 ms 11984 KB Output is correct
4 Correct 8 ms 12072 KB Output is correct
5 Correct 6 ms 11984 KB Output is correct
6 Correct 6 ms 11984 KB Output is correct
7 Correct 6 ms 12004 KB Output is correct
8 Correct 7 ms 12016 KB Output is correct
9 Correct 6 ms 12052 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12064 KB Output is correct
2 Correct 6 ms 11984 KB Output is correct
3 Correct 7 ms 11984 KB Output is correct
4 Correct 8 ms 12072 KB Output is correct
5 Correct 6 ms 11984 KB Output is correct
6 Correct 6 ms 11984 KB Output is correct
7 Correct 6 ms 12004 KB Output is correct
8 Correct 7 ms 12016 KB Output is correct
9 Correct 6 ms 12052 KB Output is correct
10 Correct 7 ms 11984 KB Output is correct
11 Correct 6 ms 11984 KB Output is correct
12 Correct 7 ms 12000 KB Output is correct
13 Correct 6 ms 12076 KB Output is correct
14 Correct 7 ms 12068 KB Output is correct
15 Correct 8 ms 12048 KB Output is correct
16 Correct 7 ms 12032 KB Output is correct
17 Correct 7 ms 11984 KB Output is correct
18 Correct 8 ms 11984 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11984 KB Output is correct
2 Correct 6 ms 12072 KB Output is correct
3 Correct 69 ms 12112 KB Output is correct
4 Correct 67 ms 12040 KB Output is correct
5 Correct 65 ms 12120 KB Output is correct
6 Correct 67 ms 12132 KB Output is correct
7 Correct 68 ms 12112 KB Output is correct
8 Correct 65 ms 12124 KB Output is correct
9 Correct 67 ms 12116 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 11984 KB Output is correct
2 Correct 6 ms 11996 KB Output is correct
3 Correct 41 ms 12236 KB Output is correct
4 Correct 41 ms 12132 KB Output is correct
5 Correct 40 ms 12112 KB Output is correct
6 Correct 41 ms 12132 KB Output is correct
7 Correct 40 ms 12112 KB Output is correct
8 Correct 40 ms 12112 KB Output is correct
9 Correct 44 ms 12140 KB Output is correct
10 Correct 8 ms 12064 KB Output is correct
11 Correct 6 ms 11984 KB Output is correct
12 Correct 7 ms 11984 KB Output is correct
13 Correct 8 ms 12072 KB Output is correct
14 Correct 6 ms 11984 KB Output is correct
15 Correct 6 ms 11984 KB Output is correct
16 Correct 6 ms 12004 KB Output is correct
17 Correct 7 ms 12016 KB Output is correct
18 Correct 6 ms 12052 KB Output is correct
19 Correct 7 ms 11984 KB Output is correct
20 Correct 6 ms 11984 KB Output is correct
21 Correct 7 ms 12000 KB Output is correct
22 Correct 6 ms 12076 KB Output is correct
23 Correct 7 ms 12068 KB Output is correct
24 Correct 8 ms 12048 KB Output is correct
25 Correct 7 ms 12032 KB Output is correct
26 Correct 7 ms 11984 KB Output is correct
27 Correct 8 ms 11984 KB Output is correct
28 Correct 6 ms 11984 KB Output is correct
29 Correct 6 ms 12072 KB Output is correct
30 Correct 69 ms 12112 KB Output is correct
31 Correct 67 ms 12040 KB Output is correct
32 Correct 65 ms 12120 KB Output is correct
33 Correct 67 ms 12132 KB Output is correct
34 Correct 68 ms 12112 KB Output is correct
35 Correct 65 ms 12124 KB Output is correct
36 Correct 67 ms 12116 KB Output is correct
37 Correct 67 ms 12140 KB Output is correct
38 Correct 40 ms 12124 KB Output is correct
39 Correct 68 ms 12140 KB Output is correct
40 Correct 70 ms 12128 KB Output is correct
41 Correct 66 ms 12128 KB Output is correct
42 Correct 41 ms 12128 KB Output is correct
43 Correct 67 ms 12120 KB Output is correct
44 Correct 67 ms 12132 KB Output is correct
45 Correct 66 ms 12060 KB Output is correct