oj.uz

Submission #710548

# Submission time Handle Problem Language Result Execution time Memory
710548 2023-03-15T10:43:27 Z tanprodium Ancient Machine (JOI21_ancient_machine) C++17
70 / 100
 79 ms 7916 KB 
#include "Anna.h"
#include<bits/stdc++.h>

using namespace std;

int cnt = 0;

/*void Send(int a) {
    ++cnt;
    cout << a << ' ';
}*/

void Anna(int N, vector<char> S) {
    string s = "";

    for (int i = 0; i < N; i++) s += S[i];

    if (N == 1) {
        Send(1);
        return;
    }

    int sz = N;

    int u = -1, v = -1;

    for (int i = 0; i < N; i++)
    if (s[i] == 'X') {
        u = i;
        break;
    }

    for (int i = sz - 1; i >= 0; i--)
    if (s[i] == 'Z') {
        v = i;
        break;
    }

    if (u == -1 || v == -1 || (u > v)) {
        u = 0;
        v = sz - 1;
    }

    for (int i = 0; i < u; i++) Send(0);
    Send(1);

    for (int i = u + 1; i < v; i++)
        if (s[i] == 'Z') Send(1);
        else Send(0);
    Send(1);

    for (int i = v + 1; i < sz; i++) Send(0);
}

/*void solve() {
    int n;
    string s;
    vector<char> vs;
    cin >> n >> s;

    for (int i = 0; i < n; i++)
        vs.push_back(s[i]);

    Anna(n, vs);
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    solve();
    return 0;
}*/

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

using namespace std;

template<class X, class Y>
    bool maximize(X &x, const Y &y) {
        if (y > x) {
            x = y;
            return (true);
        } else return (false);
    }

const int oo = 1e9;
const int LOG = 17;

/*void Remove(int d) {
    cout << d << ' ';
}*/

// sub1

/*void Bruno(int N, int L, vector<int> A) {
    string s = "";

    for (int i = 0; i < L; i += 2) {
        if (A[i] == 0) {
            if (A[i + 1] == 0)
                s += 'X';
            else s += 'Y';
        } else s += 'Z';
    }

    int sz = N;
    int all = (1 << sz);
    vector<int> dp(all + 5, -oo), rem(all + 5, 0);
    dp[0] = 0;

    for (int mask = 0; mask < all; mask++) {
        vector<int> pos;

        for (int i = 0; i < sz; i++)
            if (!(mask >> i & 1))
                pos.push_back(i);

        int spos = (int)pos.size();

        for (int i = 0; i < spos; i++) {
            bool good = false;
            int cur = pos[i];

            if (i > 0 && i < spos - 1) {
                int pre = pos[i - 1];
                int suf = pos[i + 1];

                if (s[pre] == 'X' && s[cur] == 'Y' && s[suf] == 'Z')
                    good = true;
            }

            int nmask = mask | (1 << cur);

            if (maximize(dp[nmask], dp[mask] + good))
                rem[nmask] = cur;
        }
    }

    vector<int> ans;

    int mask = all - 1;
    while (mask) {
        int bit = rem[mask];
        ans.push_back(bit);
        mask ^= (1 << bit);
    }

    reverse(ans.begin(), ans.end());

    for (int x : ans) Remove(x);
}*/

// sub2

void Remseg(int l, int r) {
    if (l > r) return;
    for (int i = l; i <= r; i++) Remove(i);
}

void Bruno(int N, int L, vector<int> A) {
    int sz = N;

    int u, v;

    for (int i = 0; i < sz; i++)
    if (A[i] == 1) {
        u = i;
        break;
    }

    for (int i = sz - 1; i >= 0; i--)
    if (A[i] == 1) {
        v = i;
        break;
    }

    Remseg(0, u - 1);
    Remseg(v + 1, sz - 1);

    int pre = u;

    for (int i = u + 1; i <= v; i++)
    if (A[i] == 1) {
        for (int j = i - 1; j > pre; j--)
            Remove(j);

        Remove(i);

        pre = i;
    }

    Remove(u);
}

/*void solve() {
    int n;
    int l;
    vector<int> a;

    cin >> n >> l;

    for (int i = 1; i <= l; i++) {
        int x;
        cin >> x;
        a.push_back(x);
    }

    Bruno(n, l, a);
}

int main() {
    //ios_base::sync_with_stdio(false);
    //cin.tie(0); cout.tie(0);
    solve();
    return 0;
}*/

Compilation message

Bruno.cpp: In function 'void Bruno(int, int, std::vector<int>)':
Bruno.cpp:110:14: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized]
  110 |     for (int i = u + 1; i <= v; i++)
      |              ^
Bruno.cpp:110:27: warning: 'v' may be used uninitialized in this function [-Wmaybe-uninitialized]
  110 |     for (int i = u + 1; i <= v; i++)
      |                         ~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 508 KB Output is correct
2 Correct 0 ms 508 KB Output is correct
3 Correct 0 ms 516 KB Output is correct
4 Correct 0 ms 508 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 0 ms 516 KB Output is correct
7 Correct 0 ms 516 KB Output is correct
8 Correct 1 ms 516 KB Output is correct
9 Correct 1 ms 508 KB Output is correct
10 Correct 0 ms 508 KB Output is correct
11 Correct 0 ms 508 KB Output is correct

Subtask #2
65.0 / 95.0

# Verdict Execution time Memory Grader output
1 Partially correct 54 ms 7884 KB Partially correct
2 Partially correct 59 ms 7888 KB Partially correct
3 Partially correct 56 ms 7876 KB Partially correct
4 Partially correct 52 ms 7812 KB Partially correct
5 Partially correct 51 ms 7828 KB Partially correct
6 Partially correct 68 ms 7888 KB Partially correct
7 Partially correct 58 ms 7828 KB Partially correct
8 Partially correct 53 ms 7828 KB Partially correct
9 Partially correct 53 ms 7856 KB Partially correct
10 Partially correct 63 ms 7884 KB Partially correct
11 Partially correct 57 ms 7792 KB Partially correct
12 Partially correct 52 ms 7892 KB Partially correct
13 Partially correct 60 ms 7840 KB Partially correct
14 Partially correct 73 ms 7816 KB Partially correct
15 Partially correct 57 ms 7796 KB Partially correct
16 Partially correct 53 ms 7868 KB Partially correct
17 Partially correct 65 ms 7896 KB Partially correct
18 Partially correct 62 ms 7848 KB Partially correct
19 Partially correct 59 ms 7900 KB Partially correct
20 Partially correct 50 ms 7892 KB Partially correct
21 Partially correct 50 ms 7872 KB Partially correct
22 Partially correct 69 ms 7892 KB Partially correct
23 Partially correct 51 ms 7900 KB Partially correct
24 Partially correct 51 ms 7812 KB Partially correct
25 Partially correct 60 ms 7880 KB Partially correct
26 Partially correct 79 ms 7888 KB Partially correct
27 Partially correct 62 ms 7856 KB Partially correct
28 Partially correct 59 ms 7916 KB Partially correct
29 Partially correct 59 ms 7860 KB Partially correct
30 Partially correct 68 ms 7892 KB Partially correct
31 Partially correct 74 ms 7892 KB Partially correct
32 Partially correct 49 ms 7860 KB Partially correct
33 Partially correct 49 ms 7840 KB Partially correct