oj.uz

Submission #565326

# Submission time Handle Problem Language Result Execution time Memory
565326 2022-05-20T17:06:19 Z Sorting Broken Device 2 (JOI22_device2) C++17
80 / 100
 136 ms 3404 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 = 170;

static mt19937 mt(1432);

int Declare() {
    return LEN;
}

static vector<int> gen_seq(){
    vector<int> v(BITS);
    for(int i = 0; i < BITS; ++i)
        v[i] = uniform_int_distribution<int>(0, 1)(mt);
    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(1432);

static vector<int> gen_seq(){
    vector<int> v(BITS);
    for(int i = 0; i < BITS; ++i)
        v[i] = uniform_int_distribution<int>(0, 1)(mt);
    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:26:21: 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]
   26 |     for(ll i = 0; i < u.size(); ++i){
      |                   ~~^~~~~~~~~~
Bruno.cpp:58:21: 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]
   58 |     for(ll i = 0; i < bits.size(); ++i)
      |                   ~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 86 ms 3276 KB Output is correct
3 Correct 85 ms 3224 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 86 ms 3276 KB Output is correct
3 Correct 85 ms 3224 KB Output is correct
4 Correct 107 ms 3376 KB Output is correct
5 Correct 86 ms 3288 KB Output is correct
6 Correct 86 ms 3212 KB Output is correct
7 Correct 85 ms 3224 KB Output is correct
8 Correct 82 ms 3160 KB Output is correct
9 Correct 84 ms 3276 KB Output is correct
10 Correct 82 ms 3292 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 86 ms 3276 KB Output is correct
3 Correct 85 ms 3224 KB Output is correct
4 Correct 107 ms 3376 KB Output is correct
5 Correct 86 ms 3288 KB Output is correct
6 Correct 86 ms 3212 KB Output is correct
7 Correct 85 ms 3224 KB Output is correct
8 Correct 82 ms 3160 KB Output is correct
9 Correct 84 ms 3276 KB Output is correct
10 Correct 82 ms 3292 KB Output is correct
11 Correct 82 ms 3328 KB Output is correct
12 Correct 82 ms 3324 KB Output is correct
13 Correct 94 ms 3324 KB Output is correct
14 Correct 87 ms 3172 KB Output is correct
15 Correct 87 ms 3352 KB Output is correct
16 Correct 87 ms 3160 KB Output is correct
17 Correct 91 ms 3264 KB Output is correct
18 Correct 87 ms 3212 KB Output is correct
19 Correct 97 ms 3216 KB Output is correct
20 Correct 87 ms 3180 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 86 ms 3276 KB Output is correct
3 Correct 85 ms 3224 KB Output is correct
4 Correct 107 ms 3376 KB Output is correct
5 Correct 86 ms 3288 KB Output is correct
6 Correct 86 ms 3212 KB Output is correct
7 Correct 85 ms 3224 KB Output is correct
8 Correct 82 ms 3160 KB Output is correct
9 Correct 84 ms 3276 KB Output is correct
10 Correct 82 ms 3292 KB Output is correct
11 Correct 82 ms 3328 KB Output is correct
12 Correct 82 ms 3324 KB Output is correct
13 Correct 94 ms 3324 KB Output is correct
14 Correct 87 ms 3172 KB Output is correct
15 Correct 87 ms 3352 KB Output is correct
16 Correct 87 ms 3160 KB Output is correct
17 Correct 91 ms 3264 KB Output is correct
18 Correct 87 ms 3212 KB Output is correct
19 Correct 97 ms 3216 KB Output is correct
20 Correct 87 ms 3180 KB Output is correct
21 Correct 87 ms 3348 KB Output is correct
22 Correct 83 ms 3300 KB Output is correct
23 Correct 90 ms 3272 KB Output is correct
24 Correct 136 ms 3304 KB Output is correct
25 Correct 105 ms 3288 KB Output is correct
26 Correct 91 ms 3216 KB Output is correct
27 Correct 109 ms 3272 KB Output is correct
28 Correct 92 ms 3364 KB Output is correct
29 Correct 91 ms 3184 KB Output is correct
30 Correct 88 ms 3224 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 516 KB Output is correct
2 Correct 86 ms 3276 KB Output is correct
3 Correct 85 ms 3224 KB Output is correct
4 Correct 107 ms 3376 KB Output is correct
5 Correct 86 ms 3288 KB Output is correct
6 Correct 86 ms 3212 KB Output is correct
7 Correct 85 ms 3224 KB Output is correct
8 Correct 82 ms 3160 KB Output is correct
9 Correct 84 ms 3276 KB Output is correct
10 Correct 82 ms 3292 KB Output is correct
11 Correct 82 ms 3328 KB Output is correct
12 Correct 82 ms 3324 KB Output is correct
13 Correct 94 ms 3324 KB Output is correct
14 Correct 87 ms 3172 KB Output is correct
15 Correct 87 ms 3352 KB Output is correct
16 Correct 87 ms 3160 KB Output is correct
17 Correct 91 ms 3264 KB Output is correct
18 Correct 87 ms 3212 KB Output is correct
19 Correct 97 ms 3216 KB Output is correct
20 Correct 87 ms 3180 KB Output is correct
21 Correct 87 ms 3348 KB Output is correct
22 Correct 83 ms 3300 KB Output is correct
23 Correct 90 ms 3272 KB Output is correct
24 Correct 136 ms 3304 KB Output is correct
25 Correct 105 ms 3288 KB Output is correct
26 Correct 91 ms 3216 KB Output is correct
27 Correct 109 ms 3272 KB Output is correct
28 Correct 92 ms 3364 KB Output is correct
29 Correct 91 ms 3184 KB Output is correct
30 Correct 88 ms 3224 KB Output is correct
31 Correct 97 ms 3252 KB Output is correct
32 Correct 100 ms 3320 KB Output is correct
33 Correct 81 ms 3288 KB Output is correct
34 Correct 84 ms 3216 KB Output is correct
35 Correct 84 ms 3316 KB Output is correct
36 Correct 98 ms 3324 KB Output is correct
37 Correct 84 ms 3264 KB Output is correct
38 Correct 95 ms 3160 KB Output is correct
39 Correct 87 ms 3332 KB Output is correct
40 Correct 87 ms 3328 KB Output is correct

Subtask #6
40.0 / 60.0

# Verdict Execution time Memory Grader output
1 Partially correct 88 ms 3404 KB Output is partially correct
2 Partially correct 89 ms 3228 KB Output is partially correct
3 Partially correct 92 ms 3348 KB Output is partially correct
4 Partially correct 89 ms 3292 KB Output is partially correct
5 Partially correct 88 ms 3232 KB Output is partially correct
6 Partially correct 84 ms 3268 KB Output is partially correct
7 Partially correct 88 ms 3272 KB Output is partially correct
8 Partially correct 88 ms 3356 KB Output is partially correct
9 Partially correct 99 ms 3344 KB Output is partially correct
10 Partially correct 100 ms 3224 KB Output is partially correct
11 Partially correct 108 ms 3368 KB Output is partially correct
12 Partially correct 82 ms 3300 KB Output is partially correct
13 Partially correct 87 ms 3284 KB Output is partially correct
14 Partially correct 96 ms 3352 KB Output is partially correct
15 Partially correct 92 ms 3340 KB Output is partially correct
16 Partially correct 86 ms 3328 KB Output is partially correct
17 Partially correct 94 ms 3280 KB Output is partially correct
18 Partially correct 97 ms 3268 KB Output is partially correct
19 Partially correct 98 ms 3316 KB Output is partially correct
20 Partially correct 91 ms 3372 KB Output is partially correct