oj.uz

답안 #154776

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
154776 2019-09-24T15:08:25 Z jacynkaa Bali Sculptures (APIO15_sculpture) C++14
100 / 100
 152 ms 23156 KB 
#include <bits/stdc++.h>
#include <math.h>
#include <chrono>
using namespace std;
#pragma GCC optimize("-O3")
#define endl "\n"
#define mp make_pair
#define st first
#define nd second
#define pii pair<int, int>
#define pb push_back
#define _upgrade ios_base::sync_with_stdio(0), cout.setf(ios::fixed), cout.precision(10) //cin.tie(0); cout.tie(0);
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define FWD(i, a, b) for (int i = (a); i < (b); ++i)
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define fwd(i, a, b) for (int i = (a); i < (b); ++i)
#define all(c) (c).begin(), (c).end()
#define what(x) cerr << #x << " is " << x << endl;
#define int long long

const int MAXN = 2e3 + 10;
const int MAXK = 44; //UWAGA

unsigned int E[MAXN][MAXN];
int n, a, b;
int tab[MAXN];
pii dist[MAXN];
int shortest[MAXN];
bitset<MAXN> wszystkie[MAXN];

void mini(pii A, pii &B)
{
    B.st = min(B.st, A.st + 1);
    B.nd = max(B.nd, A.nd + 1);
}

bool solveHeura(int q) //czy wynik zawiera sie na inkluzje w q
{
    fill(dist, dist + MAXN, mp(100000, -100000));
    dist[0] = {0, 0};

    rep(i, n) for (int k = i + 1; k <= n; k++)
    {
        if ((E[i][k] | q) == q)
            mini(dist[i], dist[k]);
    }
    //bitset<64> D(q);
    //cerr << D << " " << dist[n].st << " " << dist[n].nd << endl;
    return (dist[n].st <= b && dist[n].nd >= a);
}

bool solveShortest(int q)
{
    fill(shortest, shortest + MAXN, 1e9);
    shortest[0] = 0;
    rep(i, n) for (int k = i + 1; k <= n; k++)
    {
        if ((E[i][k] | q) == q)
            shortest[k] = min(shortest[k], shortest[i] + 1);
    }
    //cerr << shortest[n] << endl;
    return shortest[n] <= b;
}

bool solveBitset(int q)
{
    rep(i, n + 1) wszystkie[i].reset();
    wszystkie[0][0] = true;
    rep(i, n) for (int k = i + 1; k <= n; k++)
    {
        if ((E[i][k] | q) == q)
            wszystkie[k] = (wszystkie[k] | (wszystkie[i] << 1));
    }
    for (int i = a; i <= b; i++)
        if (wszystkie[n][i])
            return true;
    return false;
}

void wzorShortest(int &wynik)
{
    for (int k = MAXK; k >= 0; k--)
        if (!solveShortest(wynik + (1ll << k) - 1))
            wynik += (1ll << k);
}

void wzorBitset(int &wynik)
{
    for (int k = MAXK; k >= 0; k--)
        if (!solveBitset(wynik + (1ll << k) - 1))
            wynik += (1ll << k);
}

void wzor(int &wynik)
{
    if (a == 1)
        wzorShortest(wynik);
    else
        wzorBitset(wynik);
}

void Heura1(int &wynik)
{
    for (int k = MAXK; k >= 0; k--)
        if (!solveHeura(wynik + (1ll << k) - 1))
            wynik += (1ll << k);
}
void Heura2(int &wynik)
{
    wzorShortest(wynik);
}

void slow(int &wynik)
{
    int x = accumulate(tab, tab + n, 0) + 2;
    rep(i, x) if ((a == 1) ? solveShortest(i) : solveBitset(i))
    {
        wynik = i;
        return;
    }
}

void brut(int &wynik)
{
    wynik = 1e18;
    rep(S, (1ll << (n - 1)))
    {
        int xoor = 0;
        vector<int> X(1, -1);
        rep(j, n - 1) if (S & (1ll << j)) X.pb(j);

        if (X.size() >= a && X.size() <= b)
        {
            X.push_back(n - 1);
            rep(j, X.size() - 1)
            {
                int suum = 0;
                for (int l = X[j] + 1; l <= X[j + 1]; l++)
                    suum += tab[l];
                xoor = xoor | suum;
            }
            wynik = min(wynik, xoor);
        }
    }
}

void pre()
{
    cin >> n >> a >> b;
    rep(i, n) cin >> tab[i];

    rep(i, n)
    {
        int val = tab[i];
        for (int k = i + 1; k <= n; k++)
        {
            E[i][k] = val;
            val += tab[k];
        }
    }
}

main()
{
    _upgrade;
    pre();
    int wynik = 0;
    wzor(wynik);
    cout << wynik << endl;
}

Compilation message

sculpture.cpp: In function 'bool solveHeura(long long int)':
sculpture.cpp:44:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if ((E[i][k] | q) == q)
             ~~~~~~~~~~~~~~^~~~
sculpture.cpp: In function 'bool solveShortest(long long int)':
sculpture.cpp:58:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if ((E[i][k] | q) == q)
             ~~~~~~~~~~~~~~^~~~
sculpture.cpp: In function 'bool solveBitset(long long int)':
sculpture.cpp:71:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if ((E[i][k] | q) == q)
             ~~~~~~~~~~~~~~^~~~
sculpture.cpp: In function 'void brut(long long int&)':
sculpture.cpp:132:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (X.size() >= a && X.size() <= b)
             ~~~~~~~~~^~~~
sculpture.cpp:132:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (X.size() >= a && X.size() <= b)
                              ~~~~~~~~~^~~~
sculpture.cpp:15:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define rep(i, n) for (int i = 0; i < (n); ++i)
                                     ^
sculpture.cpp:135:13: note: in expansion of macro 'rep'
             rep(j, X.size() - 1)
             ^~~
sculpture.cpp: At global scope:
sculpture.cpp:163:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 3 ms 504 KB Output is correct
23 Correct 3 ms 504 KB Output is correct
24 Correct 3 ms 504 KB Output is correct
25 Correct 0 ms 376 KB Output is correct
26 Correct 3 ms 508 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 424 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 3 ms 376 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 3 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 504 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 388 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 3 ms 504 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 504 KB Output is correct
29 Correct 3 ms 504 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 3 ms 504 KB Output is correct
32 Correct 3 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 3 ms 632 KB Output is correct
35 Correct 3 ms 504 KB Output is correct
36 Correct 2 ms 504 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 3 ms 424 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 504 KB Output is correct
15 Correct 3 ms 424 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 2 ms 504 KB Output is correct
18 Correct 3 ms 520 KB Output is correct
19 Correct 2 ms 504 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 504 KB Output is correct
24 Correct 2 ms 632 KB Output is correct
25 Correct 3 ms 636 KB Output is correct
26 Correct 3 ms 760 KB Output is correct
27 Correct 3 ms 760 KB Output is correct
28 Correct 3 ms 888 KB Output is correct
29 Correct 3 ms 760 KB Output is correct
30 Correct 3 ms 760 KB Output is correct
31 Correct 3 ms 760 KB Output is correct
32 Correct 4 ms 808 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 3 ms 504 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 3 ms 504 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 3 ms 632 KB Output is correct
42 Correct 3 ms 520 KB Output is correct
43 Correct 3 ms 632 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 2 ms 504 KB Output is correct
46 Correct 3 ms 504 KB Output is correct
47 Correct 2 ms 508 KB Output is correct
48 Correct 3 ms 632 KB Output is correct
49 Correct 3 ms 760 KB Output is correct
50 Correct 3 ms 760 KB Output is correct
51 Correct 3 ms 888 KB Output is correct
52 Correct 3 ms 888 KB Output is correct
53 Correct 3 ms 888 KB Output is correct
54 Correct 3 ms 760 KB Output is correct
55 Correct 3 ms 888 KB Output is correct
56 Correct 3 ms 632 KB Output is correct
57 Correct 3 ms 760 KB Output is correct
58 Correct 3 ms 760 KB Output is correct
59 Correct 3 ms 888 KB Output is correct
60 Correct 3 ms 764 KB Output is correct
61 Correct 3 ms 888 KB Output is correct
62 Correct 3 ms 888 KB Output is correct
63 Correct 3 ms 764 KB Output is correct
64 Correct 13 ms 888 KB Output is correct
65 Correct 3 ms 632 KB Output is correct
66 Correct 4 ms 680 KB Output is correct
67 Correct 5 ms 760 KB Output is correct
68 Correct 10 ms 760 KB Output is correct
69 Correct 7 ms 888 KB Output is correct
70 Correct 6 ms 888 KB Output is correct
71 Correct 7 ms 888 KB Output is correct
72 Correct 8 ms 888 KB Output is correct
73 Correct 8 ms 900 KB Output is correct
74 Correct 8 ms 760 KB Output is correct

Subtask #5
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 2 ms 632 KB Output is correct
29 Correct 3 ms 632 KB Output is correct
30 Correct 2 ms 632 KB Output is correct
31 Correct 3 ms 504 KB Output is correct
32 Correct 3 ms 632 KB Output is correct
33 Correct 3 ms 632 KB Output is correct
34 Correct 3 ms 632 KB Output is correct
35 Correct 3 ms 640 KB Output is correct
36 Correct 3 ms 760 KB Output is correct
37 Correct 3 ms 760 KB Output is correct
38 Correct 3 ms 760 KB Output is correct
39 Correct 3 ms 760 KB Output is correct
40 Correct 3 ms 760 KB Output is correct
41 Correct 3 ms 760 KB Output is correct
42 Correct 3 ms 888 KB Output is correct
43 Correct 2 ms 504 KB Output is correct
44 Correct 3 ms 676 KB Output is correct
45 Correct 3 ms 760 KB Output is correct
46 Correct 3 ms 764 KB Output is correct
47 Correct 3 ms 804 KB Output is correct
48 Correct 3 ms 760 KB Output is correct
49 Correct 3 ms 760 KB Output is correct
50 Correct 3 ms 760 KB Output is correct
51 Correct 3 ms 768 KB Output is correct
52 Correct 14 ms 4028 KB Output is correct
53 Correct 21 ms 5624 KB Output is correct
54 Correct 35 ms 8312 KB Output is correct
55 Correct 35 ms 8344 KB Output is correct
56 Correct 148 ms 23148 KB Output is correct
57 Correct 142 ms 23140 KB Output is correct
58 Correct 140 ms 23156 KB Output is correct
59 Correct 139 ms 23048 KB Output is correct
60 Correct 144 ms 23152 KB Output is correct
61 Correct 3 ms 760 KB Output is correct
62 Correct 20 ms 5596 KB Output is correct
63 Correct 36 ms 8312 KB Output is correct
64 Correct 33 ms 8344 KB Output is correct
65 Correct 64 ms 13796 KB Output is correct
66 Correct 105 ms 19152 KB Output is correct
67 Correct 144 ms 23144 KB Output is correct
68 Correct 152 ms 23144 KB Output is correct
69 Correct 146 ms 23144 KB Output is correct