oj.uz

Submission #1071265

# Submission time Handle Problem Language Result Execution time Memory
1071265 2024-08-23T06:24:33 Z Plurm Ancient Machine (JOI21_ancient_machine) C++17
30 / 100
 100 ms 16020 KB 
#include "Anna.h"
#include <vector>

namespace {

int variable_example = 0;

}

void Anna(int N, std::vector<char> S) {
    for (int i = 0; i < N; i++) {
        if (S[i] == 'X') {
            Send(0);
        } else if (S[i] == 'Y') {
            Send(1);
            Send(0);
        } else {
            Send(1);
            Send(1);
        }
    }
}

#include "Bruno.h"
#include <bits/stdc++.h>
using namespace std;
namespace {
int FT[100005];
void add(int idx, int amt) {
    idx++;
    while (idx < 100005) {
        FT[idx] += amt;
        idx += idx & -idx;
    }
}
int sum(int idx) {
    idx++;
    int ret = 0;
    while (idx > 0) {
        ret += FT[idx];
        idx -= idx & -idx;
    }
    return ret;
}
} // namespace

void Bruno(int N, int L, std::vector<int> A) {
    set<int> active;
    memset(FT, 0, sizeof(FT));
    string target;
    int ptr = 0;
    while (ptr < L) {
        if (A[ptr++] == 0)
            target.push_back('X');
        else if (A[ptr++] == 0)
            target.push_back('Y');
        else
            target.push_back('Z');
    }
    bool done = false;
    priority_queue<pair<int, int>> pq;
    vector<int> prefX(N, -1);
    for (int i = 0; i < N; i++) {
        active.insert(i);
        add(i, 1);
        if (target[i] == 'X')
            prefX[i] = i;
        else
            prefX[i] = i ? prefX[i - 1] : -1;
    }
    vector<int> suffZ(N, N);
    for (int i = N - 1; i >= 0; i--) {
        if (target[i] == 'Z')
            suffZ[i] = i;
        else
            suffZ[i] = i == N - 1 ? N : suffZ[i + 1];
    }
    for (int i = 0; i < N; i++) {
        if (target[i] == 'Y' && prefX[i] != -1 && suffZ[i] != N) {
            int c = suffZ[i] - prefX[i] - 2;
            pq.push({-c, i});
        }
    }
    vector<int> ord;
    while (!pq.empty()) {
        auto ok = pq.top();
        pq.pop();
        if (target[ok.second] == '\0')
            continue;
        if (sum(suffZ[ok.second] - 1) - sum(prefX[ok.second]) - 1 !=
            -ok.first) {
            pq.push({-(sum(suffZ[ok.second] - 1) - sum(prefX[ok.second]) - 1),
                     ok.second});
            continue;
        }
        auto it = active.upper_bound(prefX[ok.second]);
        while (it != active.end() && *it < suffZ[ok.second]) {
            int j = *it;
            if (j == ok.second) {
                ++it;
                continue;
            }
            target[j] = '\0';
            add(j, -1);
            ord.push_back(j);
            it = active.erase(it);
        }
        target[ok.second] = '\0';
        add(ok.second, -1);
        ord.push_back(ok.second);
        active.erase(ok.second);
    }
    for (int i = 0; i < N; i++) {
        if (target[i] != '\0')
            ord.push_back(i);
    }
    for (int x : ord)
        Remove(x);
}

Compilation message

Anna.cpp:6:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    6 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

Bruno.cpp: In function 'void Bruno(int, int, std::vector<int>)':
Bruno.cpp:37:10: warning: unused variable 'done' [-Wunused-variable]
   37 |     bool done = false;
      |          ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1036 KB Output is correct
2 Correct 0 ms 1036 KB Output is correct
3 Correct 1 ms 1036 KB Output is correct
4 Correct 0 ms 1036 KB Output is correct
5 Correct 1 ms 1036 KB Output is correct
6 Correct 0 ms 1036 KB Output is correct
7 Correct 1 ms 1036 KB Output is correct
8 Correct 1 ms 1048 KB Output is correct
9 Correct 1 ms 1036 KB Output is correct
10 Correct 1 ms 1036 KB Output is correct
11 Correct 1 ms 1036 KB Output is correct

Subtask #2
25.0 / 95.0

# Verdict Execution time Memory Grader output
1 Partially correct 84 ms 12260 KB Partially correct
2 Partially correct 92 ms 12268 KB Partially correct
3 Partially correct 89 ms 12380 KB Partially correct
4 Partially correct 82 ms 12200 KB Partially correct
5 Partially correct 81 ms 12288 KB Partially correct
6 Partially correct 88 ms 12092 KB Partially correct
7 Partially correct 87 ms 12188 KB Partially correct
8 Partially correct 89 ms 12356 KB Partially correct
9 Partially correct 85 ms 12140 KB Partially correct
10 Partially correct 80 ms 12148 KB Partially correct
11 Partially correct 83 ms 12176 KB Partially correct
12 Partially correct 87 ms 12284 KB Partially correct
13 Partially correct 84 ms 10872 KB Partially correct
14 Partially correct 83 ms 11996 KB Partially correct
15 Partially correct 69 ms 13972 KB Partially correct
16 Partially correct 66 ms 11340 KB Partially correct
17 Partially correct 79 ms 14328 KB Partially correct
18 Partially correct 88 ms 15972 KB Partially correct
19 Partially correct 76 ms 15864 KB Partially correct
20 Partially correct 84 ms 11256 KB Partially correct
21 Partially correct 88 ms 11412 KB Partially correct
22 Partially correct 94 ms 12268 KB Partially correct
23 Partially correct 97 ms 11792 KB Partially correct
24 Partially correct 89 ms 11708 KB Partially correct
25 Partially correct 77 ms 15976 KB Partially correct
26 Partially correct 72 ms 15872 KB Partially correct
27 Partially correct 87 ms 15972 KB Partially correct
28 Partially correct 87 ms 15980 KB Partially correct
29 Partially correct 90 ms 15872 KB Partially correct
30 Partially correct 75 ms 15920 KB Partially correct
31 Partially correct 81 ms 16020 KB Partially correct
32 Partially correct 100 ms 11992 KB Partially correct
33 Partially correct 99 ms 11988 KB Partially correct