oj.uz

Submission #211164

# Submission time Handle Problem Language Result Execution time Memory
211164 2020-03-19T10:45:15 Z Alexa2001 Airline Route Map (JOI18_airline) C++17
37 / 100
 697 ms 43272 KB 
#include "Alicelib.h"
#include <bits/stdc++.h>

using namespace std;

/// 11:18


static vector<pair<int,int>> edges;

static void add_edge(int x, int y)
{
    edges.push_back({x, y});
}

void Alice( int N, int M, int A[], int B[] )
{
    int S1, S2;

    S1 = N+10;
    S2 = N+11;

    add_edge(S1, S2);

    int i, j;
    for(i=0; i<M; ++i)
        add_edge(A[i], B[i]);

    for(i=0; i<N; ++i)
        for(j=0; j<10; ++j)
            if(i & (1<<j))
                add_edge(i, N+j);

    for(i=0; i<10; ++i)
    {
        add_edge(N+i, S1);
        add_edge(N+i, S2);

        if(i) add_edge(N+i, N+i-1);
    }
    add_edge(N+1, N+3);

    InitG(N+12, edges.size());
    int nr = 0;
    for(auto it : edges) MakeG(nr++, it.first, it.second);
}

#include "Boblib.h"
#include <bits/stdc++.h>

using namespace std;

static int n, V, P[1005];
static vector<pair<int,int>> edges;
static vector<vector<int>> v;
static bitset<1005> bad;


static void add_edge(int x, int y)
{
    edges.push_back({x, y});
}

bool sortt(vector<int> &p)
{
    vector<vector<int>> gr(V);

    for(auto it : p)
        for(auto it2 : p)
            if(find(v[it].begin(), v[it].end(), it2) != v[it].end())
                gr[it].push_back(it2);

    vector<int> sp;
    for(auto it : p)
        if(gr[it].size() == 3) sp.push_back(it);

    if(sp.size() != 2) return 0;

    for(auto it : p)
        if(gr[it].size() != 2 && gr[it].size() != 3 && gr[it].size() != 1) return 0;

    int node = sp[0];
    gr[node].erase(find(gr[node].begin(), gr[node].end(), sp[1]));
    node = sp[1];
    gr[node].erase(find(gr[node].begin(), gr[node].end(), sp[0]));

    vector<int> vec[2];

    for(int step = 0; step < 2; ++step)
    {
        int prv = sp[0];
        node = gr[sp[0]][step];

        while(gr[node].size() == 2)
        {
            vec[step].push_back(node);
            int prr = node;
            node = gr[node][0] ^ gr[node][1] ^ prv;
            prv = prr;
        }

        vec[step].push_back(node);
    }

    if(vec[0].size() > vec[1].size()) swap(vec[0], vec[1]);
    reverse(vec[0].begin(), vec[0].end());

    p.clear();
    p.insert(p.end(), vec[0].begin(), vec[0].end());
    p.insert(p.end(), sp[0]);
    p.insert(p.end(), vec[1].begin(), vec[1].end());

    return 1;
}

bool Try(int A, int B)
{
    if(v[A].size() != 11 || v[B].size() != 11) return 0;

    vector<int> p = v[A];
    p.erase(find(p.begin(), p.end(), B));

    for(auto it : p)
        if(find(v[B].begin(), v[B].end(), it) == v[B].end()) return 0;

    int sum = 0, i, j;
    for(i=0; i<n; ++i)
        for(j=0; j<10; ++j)
            if(i & (1<<j))
                ++sum;

    sum += 20 + 20;

    int sum2 = 0;

    for(auto it : p)
        sum2 += v[it].size();

    if(sum != sum2)  return 0;

    bad.reset();
    edges.clear();

    bad[A] = bad[B] = 1;
    for(auto it : p) bad[it] = 1;

    for(i=0; i<V; ++i)
        for(auto it : v[i])
            if(!bad[i] && !bad[it] && i < it)
                add_edge(i, it);

    if(!sortt(p)) return 0;

    vector<int> where(V);

    for(i=0; i<10; ++i)
        where[p[i]] = i;

    vector<int> all;

    for(i=0; i<V; ++i)
        if(!bad[i])
        {
            P[i] = 0;
            for(auto it : v[i])
                if(bad[it])
                    P[i] ^= (1<<where[it]);
            all.push_back(P[i]);
        }

    sort(all.begin(), all.end());
    assert(all.size() == n);

    for(i=0; i<n; ++i)
        if(all[i] != i) return 0;

    InitMap(n, edges.size());
    for(auto it : edges)
        MakeMap(P[it.first], P[it.second]);
    return 1;
}

void Bob( int _V, int U, int C[], int D[] )
{
    V = _V;
    n = V - 12;

    int i;
    v.resize(V);
    for(i=0; i<U; ++i)
    {
        v[C[i]].push_back(D[i]);
        v[D[i]].push_back(C[i]);
    }

    for(i=0; i<V; ++i)
        for(auto it : v[i])
            if(Try(i, it)) return;
}

Compilation message

In file included from /usr/include/c++/7/cassert:44:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:33,
                 from Bob.cpp:2:
Bob.cpp: In function 'bool Try(int, int)':
Bob.cpp:125:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     assert(all.size() == n);
            ~~~~~~~~~~~^~~~

Subtask #1
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 6656 KB Output is correct
2 Correct 13 ms 6656 KB Output is correct
3 Correct 14 ms 6656 KB Output is correct
4 Correct 13 ms 6656 KB Output is correct
5 Correct 13 ms 6912 KB Output is correct
6 Correct 13 ms 6912 KB Output is correct
7 Correct 13 ms 6656 KB Output is correct
8 Correct 13 ms 6656 KB Output is correct
9 Correct 13 ms 6656 KB Output is correct
10 Correct 12 ms 6912 KB Output is correct
11 Correct 13 ms 6656 KB Output is correct
12 Correct 13 ms 6912 KB Output is correct
13 Correct 13 ms 6912 KB Output is correct
14 Correct 14 ms 6656 KB Output is correct
15 Correct 13 ms 6656 KB Output is correct
16 Correct 13 ms 6912 KB Output is correct
17 Correct 13 ms 6912 KB Output is correct
18 Correct 13 ms 6656 KB Output is correct
19 Correct 13 ms 6912 KB Output is correct
20 Correct 13 ms 6656 KB Output is correct
21 Correct 13 ms 6912 KB Output is correct
22 Correct 13 ms 6656 KB Output is correct
23 Correct 14 ms 6656 KB Output is correct
24 Correct 13 ms 6912 KB Output is correct
25 Correct 13 ms 6656 KB Output is correct
26 Correct 14 ms 6912 KB Output is correct
27 Correct 13 ms 6656 KB Output is correct
28 Correct 13 ms 6656 KB Output is correct
29 Correct 13 ms 6656 KB Output is correct
30 Correct 14 ms 6656 KB Output is correct
31 Correct 13 ms 6656 KB Output is correct
32 Correct 13 ms 6912 KB Output is correct
33 Correct 13 ms 6656 KB Output is correct
34 Correct 13 ms 6656 KB Output is correct
35 Correct 13 ms 6912 KB Output is correct
36 Correct 13 ms 6912 KB Output is correct
37 Correct 13 ms 6656 KB Output is correct
38 Correct 16 ms 6656 KB Output is correct
39 Correct 15 ms 6656 KB Output is correct
40 Correct 13 ms 6912 KB Output is correct
41 Correct 13 ms 6656 KB Output is correct
42 Correct 15 ms 6656 KB Output is correct
43 Correct 13 ms 6656 KB Output is correct
44 Correct 13 ms 6656 KB Output is correct
45 Correct 14 ms 6912 KB Output is correct
46 Correct 13 ms 6656 KB Output is correct
47 Correct 13 ms 6656 KB Output is correct
48 Correct 13 ms 6912 KB Output is correct
49 Correct 13 ms 6760 KB Output is correct
50 Correct 13 ms 6656 KB Output is correct
51 Correct 13 ms 6656 KB Output is correct
52 Correct 13 ms 6656 KB Output is correct
53 Correct 13 ms 6912 KB Output is correct
54 Correct 13 ms 6656 KB Output is correct
55 Correct 14 ms 6912 KB Output is correct
56 Correct 14 ms 6656 KB Output is correct
57 Correct 13 ms 6912 KB Output is correct
58 Correct 13 ms 6912 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 6656 KB Output is correct
2 Correct 13 ms 6656 KB Output is correct
3 Correct 14 ms 6656 KB Output is correct
4 Correct 13 ms 6656 KB Output is correct
5 Correct 13 ms 6912 KB Output is correct
6 Correct 13 ms 6912 KB Output is correct
7 Correct 13 ms 6656 KB Output is correct
8 Correct 13 ms 6656 KB Output is correct
9 Correct 13 ms 6656 KB Output is correct
10 Correct 12 ms 6912 KB Output is correct
11 Correct 13 ms 6656 KB Output is correct
12 Correct 13 ms 6912 KB Output is correct
13 Correct 13 ms 6912 KB Output is correct
14 Correct 14 ms 6656 KB Output is correct
15 Correct 13 ms 6656 KB Output is correct
16 Correct 13 ms 6912 KB Output is correct
17 Correct 13 ms 6912 KB Output is correct
18 Correct 13 ms 6656 KB Output is correct
19 Correct 13 ms 6912 KB Output is correct
20 Correct 13 ms 6656 KB Output is correct
21 Correct 13 ms 6912 KB Output is correct
22 Correct 13 ms 6656 KB Output is correct
23 Correct 14 ms 6656 KB Output is correct
24 Correct 13 ms 6912 KB Output is correct
25 Correct 13 ms 6656 KB Output is correct
26 Correct 14 ms 6912 KB Output is correct
27 Correct 13 ms 6656 KB Output is correct
28 Correct 13 ms 6656 KB Output is correct
29 Correct 13 ms 6656 KB Output is correct
30 Correct 14 ms 6656 KB Output is correct
31 Correct 13 ms 6656 KB Output is correct
32 Correct 13 ms 6912 KB Output is correct
33 Correct 13 ms 6656 KB Output is correct
34 Correct 13 ms 6656 KB Output is correct
35 Correct 13 ms 6912 KB Output is correct
36 Correct 13 ms 6912 KB Output is correct
37 Correct 13 ms 6656 KB Output is correct
38 Correct 16 ms 6656 KB Output is correct
39 Correct 15 ms 6656 KB Output is correct
40 Correct 13 ms 6912 KB Output is correct
41 Correct 13 ms 6656 KB Output is correct
42 Correct 15 ms 6656 KB Output is correct
43 Correct 13 ms 6656 KB Output is correct
44 Correct 13 ms 6656 KB Output is correct
45 Correct 14 ms 6912 KB Output is correct
46 Correct 13 ms 6656 KB Output is correct
47 Correct 13 ms 6656 KB Output is correct
48 Correct 13 ms 6912 KB Output is correct
49 Correct 13 ms 6760 KB Output is correct
50 Correct 13 ms 6656 KB Output is correct
51 Correct 13 ms 6656 KB Output is correct
52 Correct 13 ms 6656 KB Output is correct
53 Correct 13 ms 6912 KB Output is correct
54 Correct 13 ms 6656 KB Output is correct
55 Correct 14 ms 6912 KB Output is correct
56 Correct 14 ms 6656 KB Output is correct
57 Correct 13 ms 6912 KB Output is correct
58 Correct 13 ms 6912 KB Output is correct
59 Correct 13 ms 7168 KB Output is correct
60 Correct 13 ms 6656 KB Output is correct
61 Correct 13 ms 6656 KB Output is correct
62 Correct 13 ms 6912 KB Output is correct
63 Correct 13 ms 6656 KB Output is correct
64 Correct 14 ms 6656 KB Output is correct
65 Correct 14 ms 6656 KB Output is correct
66 Correct 14 ms 6912 KB Output is correct
67 Correct 15 ms 6912 KB Output is correct
68 Correct 14 ms 6656 KB Output is correct
69 Correct 13 ms 6656 KB Output is correct
70 Correct 13 ms 6656 KB Output is correct
71 Correct 13 ms 6912 KB Output is correct
72 Correct 14 ms 6656 KB Output is correct
73 Correct 14 ms 6656 KB Output is correct
74 Correct 11 ms 6912 KB Output is correct
75 Correct 13 ms 6656 KB Output is correct
76 Correct 13 ms 6912 KB Output is correct
77 Correct 14 ms 6912 KB Output is correct
78 Correct 14 ms 6656 KB Output is correct
79 Correct 13 ms 6912 KB Output is correct
80 Correct 13 ms 6912 KB Output is correct
81 Correct 13 ms 6656 KB Output is correct
82 Correct 13 ms 6912 KB Output is correct
83 Correct 13 ms 6912 KB Output is correct
84 Correct 14 ms 6656 KB Output is correct
85 Correct 13 ms 6688 KB Output is correct
86 Correct 13 ms 6656 KB Output is correct
87 Correct 13 ms 6656 KB Output is correct
88 Correct 13 ms 6656 KB Output is correct
89 Correct 13 ms 6656 KB Output is correct
90 Correct 13 ms 6656 KB Output is correct
91 Correct 13 ms 6912 KB Output is correct
92 Correct 13 ms 6912 KB Output is correct
93 Correct 13 ms 6912 KB Output is correct
94 Correct 13 ms 6912 KB Output is correct
95 Correct 14 ms 6656 KB Output is correct
96 Correct 14 ms 6912 KB Output is correct
97 Correct 14 ms 6912 KB Output is correct
98 Correct 14 ms 6656 KB Output is correct
99 Correct 13 ms 6656 KB Output is correct
100 Correct 13 ms 6656 KB Output is correct
101 Correct 13 ms 6912 KB Output is correct
102 Correct 13 ms 6656 KB Output is correct
103 Correct 13 ms 6912 KB Output is correct
104 Correct 13 ms 6656 KB Output is correct
105 Correct 13 ms 6656 KB Output is correct
106 Correct 13 ms 6912 KB Output is correct
107 Correct 14 ms 6656 KB Output is correct
108 Correct 13 ms 6912 KB Output is correct
109 Correct 13 ms 6656 KB Output is correct
110 Correct 13 ms 6656 KB Output is correct
111 Correct 15 ms 7008 KB Output is correct
112 Correct 15 ms 6912 KB Output is correct
113 Correct 13 ms 6656 KB Output is correct
114 Correct 16 ms 6656 KB Output is correct
115 Correct 13 ms 6656 KB Output is correct
116 Correct 13 ms 6656 KB Output is correct
117 Correct 14 ms 6912 KB Output is correct
118 Correct 13 ms 6656 KB Output is correct

Subtask #3
0 / 63.0

# Verdict Execution time Memory Grader output
1 Runtime error 697 ms 43272 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -