oj.uz

Submission #565334

# Submission time Handle Problem Language Result Execution time Memory
565334 2022-05-20T17:20:52 Z Sorting Broken Device 2 (JOI22_device2) C++17
40 / 100
 87 ms 3400 KB 
#include "Anna.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

static const int BITS = 60;
static const int C = 3;

static const int LEN = 160;

static mt19937 mt(100);

int Declare() {
    return LEN;
}

static vector<int> gen_seq(){
    vector<int> v(BITS);
    for(int i = 0; i < BITS; ++i){
        if(i % 5 == 0){
            v[i] = 0;
        }
        else if(i % 5 == 1){
            v[i] = 1;
        }
        else if(i % 5 == 2){
            v[i] = 1;
        }
        else if(i % 5 == 3){
            v[i] = 0;
        }
        else if(i % 5 == 4){
            v[i] = 0;
        }
    }
    return v;
}

pair<vector<int>, vector<int>> Anna(ll a) {
    vector<int> rand_seq = gen_seq();

    vector<int> v1, v2;
    for(ll i = 0; i < LEN; i += 2){
        v1.push_back(0);
        v1.push_back(1);
    }
    vector<int> seq;
    for(ll i = 0; i < BITS; ++i){
        ll bit = (a >> i) & 1ll;
        seq.push_back(bit);
    }

    for(int i = 0; i < BITS; ++i)
        seq[i] ^= rand_seq[i];

    ll cnt = 1;
    for(ll i = 1; i <= BITS; ++i){
        if(i == BITS || seq[i] != seq[i - 1]){
            for(ll j = 0; j < 2 * cnt + 1; ++j)
                v2.push_back(seq[i - 1]);
            cnt = 0;
        }
        ++cnt;
    }

    while(v2.size() < LEN)
        v2.push_back(0);

    assert((int)v2.size() == LEN);

    return {v1, v2};
}

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

using namespace std;

typedef long long ll;

static const int BITS = 60;
static const int C = 3;

static mt19937 mt(100);

static vector<int> gen_seq(){
    vector<int> v(BITS);
    for(int i = 0; i < BITS; ++i){
        if(i % 5 == 0){
            v[i] = 0;
        }
        else if(i % 5 == 1){
            v[i] = 1;
        }
        else if(i % 5 == 2){
            v[i] = 1;
        }
        else if(i % 5 == 3){
            v[i] = 0;
        }
        else if(i % 5 == 4){
            v[i] = 0;
        }
    }
    return v;
}


ll Bruno(vector<int> u) {
    vector<int> rand_seq = gen_seq();

    ll curr = 0, prefix = 0, dir = 0;
    vector<ll> bits;
    for(ll i = 0; i < u.size(); ++i){
        prefix += u[i] ? 1 : -1;

        if(dir == -1 && prefix <= curr - (C - 1)){
            bits.push_back(0);
            curr -= C - 1;
            continue;
        }
        if(dir == 1 && prefix >= curr + C - 2){
            bits.push_back(1);
            curr += C - 1;
            continue;
        }

        if(prefix <= curr - C){
            bits.push_back(0);
            curr -= C;
            dir = -1;
        }
        else if(prefix >= curr + C - 1){
            bits.push_back(1);
            curr += C;
            dir = 1;
        }
    }

    ll ans = 0;
    assert(bits.size() >= BITS);
    bits.resize(BITS);
    for(int i = 0; i < BITS; ++i)
        bits[i] ^= rand_seq[i];

    for(ll i = 0; i < bits.size(); ++i)
        ans += bits[i] << i;
    return ans;
}

Compilation message

Bruno.cpp: In function 'll Bruno(std::vector<int>)':
Bruno.cpp:41:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(ll i = 0; i < u.size(); ++i){
      |                   ~~^~~~~~~~~~
Bruno.cpp:73:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |     for(ll i = 0; i < bits.size(); ++i)
      |                   ~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 508 KB Output is correct
2 Correct 85 ms 3400 KB Output is correct
3 Correct 73 ms 3096 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 508 KB Output is correct
2 Correct 85 ms 3400 KB Output is correct
3 Correct 73 ms 3096 KB Output is correct
4 Correct 74 ms 3124 KB Output is correct
5 Correct 76 ms 3252 KB Output is correct
6 Correct 83 ms 3056 KB Output is correct
7 Correct 79 ms 3092 KB Output is correct
8 Correct 73 ms 3112 KB Output is correct
9 Correct 73 ms 3168 KB Output is correct
10 Correct 76 ms 3136 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 508 KB Output is correct
2 Correct 85 ms 3400 KB Output is correct
3 Correct 73 ms 3096 KB Output is correct
4 Correct 74 ms 3124 KB Output is correct
5 Correct 76 ms 3252 KB Output is correct
6 Correct 83 ms 3056 KB Output is correct
7 Correct 79 ms 3092 KB Output is correct
8 Correct 73 ms 3112 KB Output is correct
9 Correct 73 ms 3168 KB Output is correct
10 Correct 76 ms 3136 KB Output is correct
11 Correct 79 ms 3064 KB Output is correct
12 Correct 78 ms 3008 KB Output is correct
13 Correct 87 ms 3052 KB Output is correct
14 Correct 81 ms 3108 KB Output is correct
15 Correct 79 ms 3168 KB Output is correct
16 Correct 71 ms 3128 KB Output is correct
17 Correct 84 ms 3040 KB Output is correct
18 Correct 78 ms 3072 KB Output is correct
19 Correct 82 ms 3044 KB Output is correct
20 Correct 80 ms 3196 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 508 KB Output is correct
2 Correct 85 ms 3400 KB Output is correct
3 Correct 73 ms 3096 KB Output is correct
4 Correct 74 ms 3124 KB Output is correct
5 Correct 76 ms 3252 KB Output is correct
6 Correct 83 ms 3056 KB Output is correct
7 Correct 79 ms 3092 KB Output is correct
8 Correct 73 ms 3112 KB Output is correct
9 Correct 73 ms 3168 KB Output is correct
10 Correct 76 ms 3136 KB Output is correct
11 Correct 79 ms 3064 KB Output is correct
12 Correct 78 ms 3008 KB Output is correct
13 Correct 87 ms 3052 KB Output is correct
14 Correct 81 ms 3108 KB Output is correct
15 Correct 79 ms 3168 KB Output is correct
16 Correct 71 ms 3128 KB Output is correct
17 Correct 84 ms 3040 KB Output is correct
18 Correct 78 ms 3072 KB Output is correct
19 Correct 82 ms 3044 KB Output is correct
20 Correct 80 ms 3196 KB Output is correct
21 Correct 75 ms 3144 KB Output is correct
22 Correct 79 ms 3140 KB Output is correct
23 Correct 82 ms 3028 KB Output is correct
24 Correct 75 ms 3156 KB Output is correct
25 Correct 78 ms 3144 KB Output is correct
26 Correct 75 ms 3084 KB Output is correct
27 Correct 78 ms 3124 KB Output is correct
28 Correct 75 ms 3136 KB Output is correct
29 Correct 76 ms 3112 KB Output is correct
30 Correct 76 ms 3240 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 508 KB Output is correct
2 Correct 85 ms 3400 KB Output is correct
3 Correct 73 ms 3096 KB Output is correct
4 Correct 74 ms 3124 KB Output is correct
5 Correct 76 ms 3252 KB Output is correct
6 Correct 83 ms 3056 KB Output is correct
7 Correct 79 ms 3092 KB Output is correct
8 Correct 73 ms 3112 KB Output is correct
9 Correct 73 ms 3168 KB Output is correct
10 Correct 76 ms 3136 KB Output is correct
11 Correct 79 ms 3064 KB Output is correct
12 Correct 78 ms 3008 KB Output is correct
13 Correct 87 ms 3052 KB Output is correct
14 Correct 81 ms 3108 KB Output is correct
15 Correct 79 ms 3168 KB Output is correct
16 Correct 71 ms 3128 KB Output is correct
17 Correct 84 ms 3040 KB Output is correct
18 Correct 78 ms 3072 KB Output is correct
19 Correct 82 ms 3044 KB Output is correct
20 Correct 80 ms 3196 KB Output is correct
21 Correct 75 ms 3144 KB Output is correct
22 Correct 79 ms 3140 KB Output is correct
23 Correct 82 ms 3028 KB Output is correct
24 Correct 75 ms 3156 KB Output is correct
25 Correct 78 ms 3144 KB Output is correct
26 Correct 75 ms 3084 KB Output is correct
27 Correct 78 ms 3124 KB Output is correct
28 Correct 75 ms 3136 KB Output is correct
29 Correct 76 ms 3112 KB Output is correct
30 Correct 76 ms 3240 KB Output is correct
31 Correct 77 ms 3124 KB Output is correct
32 Correct 79 ms 3128 KB Output is correct
33 Correct 80 ms 3108 KB Output is correct
34 Correct 76 ms 3116 KB Output is correct
35 Correct 82 ms 3208 KB Output is correct
36 Correct 78 ms 3016 KB Output is correct
37 Correct 77 ms 3176 KB Output is correct
38 Correct 72 ms 3156 KB Output is correct
39 Correct 72 ms 3284 KB Output is correct
40 Correct 74 ms 3048 KB Output is correct

Subtask #6
0 / 60.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 724 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -