oj.uz

Submission #216277

# Submission time Handle Problem Language Result Execution time Memory
216277 2020-03-27T02:16:33 Z combi1k1 Chameleon's Love (JOI20_chameleon) C++14
100 / 100
 115 ms 552 KB 
#include "chameleon.h"
#include<bits/stdc++.h>

using namespace std;

#define ll  long long
#define ld  double

#define sz(x)   (int)x.size()
#define all(x)  x.begin(),x.end()

#define pb  emplace_back
#define X   first
#define Y   second

const int   N   = 1e3 + 5;

typedef pair<int,int>   ii;
typedef vector<int>     vi;

void EndProgram(string encode)  {
    cerr << "Wrong ";
    cerr << encode;
    exit(0);
}

int gender[N];
int colour[N];
int sameC[N];
int lover[N];
bool invec[N];
int n;
int c[N];

vector<int> g[N];

int ask(vector<int> vec)    {
    if (vec.size() == 0)    return  0;
    if (vec.size() == 1)    return  1;

    static int Count = 0;

    Count++;

    if (Count > 20000)
        EndProgram("3");

    sort(all(vec));
    vec.erase(unique(all(vec)),vec.end());

    for(int x : vec)
        if (x < 1 || x > n + n)
            EndProgram("1");

    #ifndef LOCAL
    return  Query(vec);
    #endif // LOCAL

    set<int> S;

    for(int x : vec)    invec[x] = 1;
    for(int x : vec)    {
        if (invec[lover[x]])
            S.insert(colour[lover[x]]);
        else
            S.insert(colour[x]);
    }
    for(int x : vec)    invec[x] = 0;

    return  S.size();
}
map<ii,bool> called;

void Report(int x,int y)    {
    #ifndef LOCAL
    Answer(x,y);
    return;
    #endif // LOCAL

    if (x < 1 || x > n + n) EndProgram("4");
    if (y < 1 || y > n + n) EndProgram("4");

    if (x > y)  swap(x,y);
    if (called.count(ii(x,y)))  EndProgram("5");
    if (colour[x] != colour[y]) EndProgram("6");
    if (x == y) EndProgram("ngu vl");
}

void Solve(int _n)  {
    n = _n;

    for(int i = 1 ; i <= n + n ; ++i)   {
        vector<vi>  vec(2);

        for(int j = 1 ; j < i ; ++j)    c[j] = -1;
        for(int j = 1 ; j < i ; ++j)    {
            if (c[j] < 0)   {
                c[j] = 0;
                queue<int>  qu; qu.push(j);

                while (qu.size())   {
                    int u = qu.front(); qu.pop();

                    for(int v : g[u])   {
                        if (c[v] < 0)   {
                            c[v] = c[u] ^ 1;
                            qu.push(v);
                        }
                        if (c[v] == c[u])
                            EndProgram("Ngu vl");
                    }
                }
            }
            vec[c[j]].pb(j);
        }
        for(vi  tmp : vec)    {
            vi  nxt = tmp;
            nxt.pb(i);

            while (ask(nxt) != sz(nxt)) {
                int l = 1;
                int r = sz(tmp);

                while (l < r)   {
                    int m = (l + r) / 2;

                    nxt = vi(tmp.begin(),tmp.begin() + m);
                    nxt.pb(i);

                    if (ask(nxt) == sz(nxt))
                        l = m + 1;
                    else
                        r = m;
                }
                int x = tmp[l - 1];

                g[i].pb(x);
                g[x].pb(i);

                nxt = vector<int>(tmp.begin() + l,tmp.end());
                tmp = nxt;
                nxt.pb(i);
            }
        }
    }
    for(int i = 1 ; i <= n + n ; ++i)   {
        //g[i] contains the chameleons which are:
        //  -   have the same color as i-th chameleon
        //  -   love the i-th chameleon
        //  -   is loved by the i-th chameleon
        if (sz(g[i]) == 1)  {
            sameC[i] = g[i][0];
            continue;
        }
        while (ask({i, g[i][0], g[i][1]}) > 1)
            rotate(g[i].begin(),g[i].begin() + 1,g[i].end());

        lover[i] = g[i][2];
    }
    for(int i = 1 ; i <= n + n ; ++i)   {
        if (lover[g[i][0]] == i)
            sameC[i] = g[i][1];
        else
            sameC[i] = g[i][0];
    }
    for(int i = 1 ; i <= n + n ; ++i)
        if (i < sameC[i])
            Report(i,sameC[i]);
}

//int main()  {
//    ios_base::sync_with_stdio(0);
//    cin.tie(0); cout.tie(0);
//
//    for(int i = 1 ; i < 9 ; ++i)    cin >> gender[i];
//    for(int i = 1 ; i < 9 ; ++i)    cin >> colour[i];
//    for(int i = 1 ; i < 9 ; ++i)    cin >> lover[i];
//
//    Solve(4);
//}
///*
//1 0 1 0 0 1 1 0
//4 4 1 2 1 2 3 3
//4 3 8 7 6 5 2 1
//*/

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 90 ms 436 KB Output is correct
4 Correct 91 ms 504 KB Output is correct
5 Correct 91 ms 384 KB Output is correct
6 Correct 94 ms 256 KB Output is correct
7 Correct 90 ms 384 KB Output is correct
8 Correct 91 ms 384 KB Output is correct
9 Correct 90 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 6 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 384 KB Output is correct
18 Correct 6 ms 512 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 111 ms 504 KB Output is correct
4 Correct 110 ms 464 KB Output is correct
5 Correct 112 ms 384 KB Output is correct
6 Correct 115 ms 384 KB Output is correct
7 Correct 111 ms 384 KB Output is correct
8 Correct 112 ms 384 KB Output is correct
9 Correct 115 ms 552 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 90 ms 436 KB Output is correct
4 Correct 91 ms 504 KB Output is correct
5 Correct 91 ms 384 KB Output is correct
6 Correct 94 ms 256 KB Output is correct
7 Correct 90 ms 384 KB Output is correct
8 Correct 91 ms 384 KB Output is correct
9 Correct 90 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 4 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 6 ms 384 KB Output is correct
23 Correct 6 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 6 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 6 ms 512 KB Output is correct
28 Correct 4 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 111 ms 504 KB Output is correct
31 Correct 110 ms 464 KB Output is correct
32 Correct 112 ms 384 KB Output is correct
33 Correct 115 ms 384 KB Output is correct
34 Correct 111 ms 384 KB Output is correct
35 Correct 112 ms 384 KB Output is correct
36 Correct 115 ms 552 KB Output is correct
37 Correct 99 ms 504 KB Output is correct
38 Correct 97 ms 504 KB Output is correct
39 Correct 99 ms 384 KB Output is correct
40 Correct 97 ms 384 KB Output is correct
41 Correct 99 ms 384 KB Output is correct
42 Correct 93 ms 460 KB Output is correct
43 Correct 113 ms 384 KB Output is correct
44 Correct 100 ms 384 KB Output is correct
45 Correct 104 ms 504 KB Output is correct