oj.uz

Submission #1073670

# Submission time Handle Problem Language Result Execution time Memory
1073670 2024-08-24T17:38:09 Z GusterGoose27 Ancient Machine (JOI21_ancient_machine) C++17
69 / 100
 63 ms 9784 KB 
#include "Anna.h"

#include <bits/stdc++.h>
using namespace std;

#define sz(s) (int(s.size()))

void Anna(int n, vector<char> S) {
    vector<int> conv;
    int p = 1;
    for (int i = 0; i < n && S[i] != 'X'; i++) S[i] = 'Y';
    int r = n-1;
    for (; r >= 0 && S[r] != 'Z'; r--) S[r] = 'Y';
    if (r < 2) return;
    for (int i = r-1; i > 0 && S[i] != 'Y'; i--) S[i] = 'X';
    for (char c: S) {
        int v = c-'X';
        if ((v&1)==(p&1)) conv.push_back(1);
        else {
            conv.push_back(v);
            p = v;
        }
    }
    conv.resize(r);
    conv.push_back(1);
    vector<int> gold_code; // 0 -> XY, 1 -> ZY, 2 -> YXY
    for (int i = 0; i < sz(conv);) {
        if (conv[i] != 1) {
            assert(i < sz(conv)-1);
            assert(conv[i+1] == 1);
            gold_code.push_back(conv[i]/2);
            i += 2;
        }
        else {
            if (i == sz(conv)-1) break;
            if (conv[i+1] == 1) {
                conv[i] = 2;
                gold_code.push_back(1);
                i += 2;
            }
            else if (conv[i+1] == 2) {
                swap(conv[i], conv[i+1]);
                gold_code.push_back(1);
                i += 2;
            }
            else {
                assert(i < sz(conv)-2);
                assert(conv[i+2] == 1);
                gold_code.push_back(2);
                i += 3;
            }
        }
    }
    bool ex = (conv.end()[-2] == 1);
    if (ex) conv.pop_back();
    for (int i = 0; i < sz(conv); i++) {
        if (conv[i] == 1) Send(0);
        else {
            Send(1);
            Send(conv[i] == 2);
            i++;
        }
    }
    Send(ex);
}

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

using namespace std;

#define sz(s) (int(s.size()))

void Bruno(int n, int l, vector<int> A) {
    if (sz(A) == 0) {
        for (int i = 0; i < n; i++) Remove(i);
        return;
    }
    vector<int> tp;
    set<int> xz, y;
    for (int i = 0; i < l-1; i++) {
        if (A[i] == 0) tp.push_back(1);
        else {
            i++;
            tp.push_back(2*A[i]);
            tp.push_back(1);
        }
    }
    int r = sz(tp)-1 + A[l-1];
    if (A[l-1]) tp.push_back(2);
    else tp[r] = 2;
    while (sz(tp) < n) tp.push_back(1);
    for (int i = 0; i < n; i++) {
        if (tp[i]&1) y.insert(i);
        else xz.insert(i);
    }
    auto del = [&](int v) {
        if (tp[v]&1) {
            if (y.find(v) == y.end()) return;
            y.erase(v);
        }
        else {
            if (xz.find(v) == xz.end()) return;
            xz.erase(v);
        }
        Remove(v);
    };
    if (sz(xz) > 1) {
        int lim = *(xz.begin());
        for (int s = *(xz.begin()); s != *(xz.rbegin()); ) {
            int nxt = *(xz.upper_bound(s));
            if (nxt == r) break;
            if (tp[nxt] == 0) {
                s = nxt;
                lim = nxt;
                continue;
            }
            for (int i = lim+1; i <= nxt; i++) del(i);
            lim = nxt;
        }
        int s = *(xz.rbegin());
        lim = s;
        while (sz(xz) > 1) {
            int p = *(--xz.find(s));
            for (int i = p+1; i < lim; i++) del(i);
            del(p);
            lim = p;
        }
    }
    for (int i = 0; i < n; i++) del(i);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 784 KB Output is correct
2 Correct 0 ms 800 KB Output is correct
3 Correct 1 ms 796 KB Output is correct
4 Correct 1 ms 796 KB Output is correct
5 Correct 0 ms 796 KB Output is correct
6 Correct 1 ms 788 KB Output is correct
7 Correct 1 ms 784 KB Output is correct
8 Correct 1 ms 1012 KB Output is correct
9 Correct 1 ms 784 KB Output is correct
10 Correct 1 ms 780 KB Output is correct
11 Correct 0 ms 780 KB Output is correct

Subtask #2
64.0 / 95.0

# Verdict Execution time Memory Grader output
1 Partially correct 56 ms 9780 KB Partially correct
2 Partially correct 54 ms 9520 KB Partially correct
3 Partially correct 56 ms 9532 KB Partially correct
4 Partially correct 54 ms 9520 KB Partially correct
5 Partially correct 55 ms 9536 KB Partially correct
6 Partially correct 54 ms 9784 KB Partially correct
7 Partially correct 55 ms 9580 KB Partially correct
8 Partially correct 53 ms 9524 KB Partially correct
9 Partially correct 59 ms 9576 KB Partially correct
10 Partially correct 54 ms 9568 KB Partially correct
11 Partially correct 54 ms 9548 KB Partially correct
12 Partially correct 63 ms 9520 KB Partially correct
13 Partially correct 62 ms 9652 KB Partially correct
14 Partially correct 62 ms 9532 KB Partially correct
15 Partially correct 60 ms 9532 KB Partially correct
16 Partially correct 63 ms 9532 KB Partially correct
17 Correct 31 ms 6988 KB Output is correct
18 Correct 32 ms 6960 KB Output is correct
19 Correct 32 ms 6836 KB Output is correct
20 Partially correct 60 ms 9620 KB Partially correct
21 Partially correct 60 ms 9520 KB Partially correct
22 Partially correct 61 ms 9524 KB Partially correct
23 Partially correct 52 ms 9760 KB Partially correct
24 Partially correct 53 ms 9764 KB Partially correct
25 Correct 31 ms 6988 KB Output is correct
26 Correct 33 ms 6984 KB Output is correct
27 Correct 31 ms 6924 KB Output is correct
28 Correct 33 ms 6896 KB Output is correct
29 Correct 32 ms 6988 KB Output is correct
30 Correct 35 ms 6900 KB Output is correct
31 Correct 31 ms 6864 KB Output is correct
32 Partially correct 54 ms 9520 KB Partially correct
33 Partially correct 58 ms 9660 KB Partially correct