oj.uz

Submission #680372

# Submission time Handle Problem Language Result Execution time Memory
680372 2023-01-10T16:53:36 Z bashkort Crossing (JOI21_crossing) C++17
26 / 100
 7000 ms 4276 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

string cross(string &a, string &b) {
    string res(a.size(), 'a');
    for (int i = 0; i < a.size(); ++i) {
        if (a[i] == b[i]) {
            res[i] = a[i];
        } else {
            res[i] = 'J' ^ 'O' ^ 'I' ^ a[i] ^ b[i];
        }
    }
    return res;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    string A, B, C;
    cin >> A >> B >> C;

    unordered_set<string> every{A, B, C};

    queue<string> qu;
    qu.push(A), qu.push(B), qu.push(C);

    while (!qu.empty()) {
        string s = qu.front();
        qu.pop();

        for (string to : every) {
            string res = cross(s, to);

            if (!every.count(res)) {
                qu.push(res);
                every.insert(res);
            }
        }
    }

    int q;
    cin >> q;

    string t;
    cin >> t;

    cout << (every.count(t) ? "Yes\n" : "No\n");

    while (q--) {
        int l, r;
        char c;
        cin >> l >> r >> c;

        --l;
        for (int i = l; i < r; ++i) {
            t[i] = c;
        }

        cout << (every.count(t) ? "Yes\n" : "No\n");
    }

    return 0;
}

Compilation message

Main.cpp: In function 'std::string cross(std::string&, std::string&)':
Main.cpp:8:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for (int i = 0; i < a.size(); ++i) {
      |                     ~~^~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 2392 KB Output is correct
2 Correct 48 ms 2360 KB Output is correct
3 Correct 77 ms 2260 KB Output is correct
4 Correct 47 ms 2252 KB Output is correct
5 Correct 50 ms 2276 KB Output is correct
6 Correct 46 ms 2244 KB Output is correct
7 Correct 43 ms 2348 KB Output is correct
8 Correct 47 ms 2424 KB Output is correct
9 Correct 45 ms 2408 KB Output is correct
10 Correct 54 ms 2380 KB Output is correct
11 Correct 48 ms 2360 KB Output is correct
12 Correct 51 ms 2368 KB Output is correct
13 Correct 48 ms 2424 KB Output is correct
14 Correct 46 ms 2380 KB Output is correct
15 Correct 47 ms 2376 KB Output is correct
16 Correct 48 ms 2392 KB Output is correct
17 Correct 46 ms 2384 KB Output is correct
18 Correct 80 ms 2276 KB Output is correct

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 2392 KB Output is correct
2 Correct 48 ms 2360 KB Output is correct
3 Correct 77 ms 2260 KB Output is correct
4 Correct 47 ms 2252 KB Output is correct
5 Correct 50 ms 2276 KB Output is correct
6 Correct 46 ms 2244 KB Output is correct
7 Correct 43 ms 2348 KB Output is correct
8 Correct 47 ms 2424 KB Output is correct
9 Correct 45 ms 2408 KB Output is correct
10 Correct 54 ms 2380 KB Output is correct
11 Correct 48 ms 2360 KB Output is correct
12 Correct 51 ms 2368 KB Output is correct
13 Correct 48 ms 2424 KB Output is correct
14 Correct 46 ms 2380 KB Output is correct
15 Correct 47 ms 2376 KB Output is correct
16 Correct 48 ms 2392 KB Output is correct
17 Correct 46 ms 2384 KB Output is correct
18 Correct 80 ms 2276 KB Output is correct
19 Execution timed out 7034 ms 4276 KB Time limit exceeded
20 Halted 0 ms 0 KB -

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 2392 KB Output is correct
2 Correct 48 ms 2360 KB Output is correct
3 Correct 77 ms 2260 KB Output is correct
4 Correct 47 ms 2252 KB Output is correct
5 Correct 50 ms 2276 KB Output is correct
6 Correct 46 ms 2244 KB Output is correct
7 Correct 43 ms 2348 KB Output is correct
8 Correct 47 ms 2424 KB Output is correct
9 Correct 45 ms 2408 KB Output is correct
10 Correct 54 ms 2380 KB Output is correct
11 Correct 48 ms 2360 KB Output is correct
12 Correct 51 ms 2368 KB Output is correct
13 Correct 48 ms 2424 KB Output is correct
14 Correct 46 ms 2380 KB Output is correct
15 Correct 47 ms 2376 KB Output is correct
16 Correct 48 ms 2392 KB Output is correct
17 Correct 46 ms 2384 KB Output is correct
18 Correct 80 ms 2276 KB Output is correct
19 Correct 46 ms 2252 KB Output is correct
20 Correct 80 ms 2356 KB Output is correct
21 Correct 54 ms 2368 KB Output is correct
22 Correct 42 ms 2236 KB Output is correct
23 Correct 49 ms 2380 KB Output is correct
24 Correct 49 ms 2356 KB Output is correct
25 Correct 51 ms 2380 KB Output is correct
26 Correct 46 ms 2256 KB Output is correct
27 Correct 50 ms 2372 KB Output is correct
28 Correct 42 ms 2208 KB Output is correct
29 Correct 50 ms 2412 KB Output is correct
30 Correct 45 ms 2256 KB Output is correct
31 Correct 51 ms 2412 KB Output is correct
32 Correct 47 ms 2376 KB Output is correct
33 Correct 48 ms 2400 KB Output is correct
34 Correct 43 ms 2300 KB Output is correct
35 Correct 49 ms 2456 KB Output is correct
36 Correct 48 ms 2396 KB Output is correct
37 Correct 49 ms 2372 KB Output is correct
38 Correct 52 ms 2348 KB Output is correct
39 Correct 48 ms 2400 KB Output is correct
40 Correct 46 ms 2396 KB Output is correct
41 Correct 48 ms 2392 KB Output is correct
42 Correct 49 ms 2376 KB Output is correct
43 Correct 51 ms 2380 KB Output is correct
44 Correct 50 ms 2372 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 2392 KB Output is correct
2 Correct 48 ms 2360 KB Output is correct
3 Correct 77 ms 2260 KB Output is correct
4 Correct 47 ms 2252 KB Output is correct
5 Correct 50 ms 2276 KB Output is correct
6 Correct 46 ms 2244 KB Output is correct
7 Correct 43 ms 2348 KB Output is correct
8 Correct 47 ms 2424 KB Output is correct
9 Correct 45 ms 2408 KB Output is correct
10 Correct 54 ms 2380 KB Output is correct
11 Correct 48 ms 2360 KB Output is correct
12 Correct 51 ms 2368 KB Output is correct
13 Correct 48 ms 2424 KB Output is correct
14 Correct 46 ms 2380 KB Output is correct
15 Correct 47 ms 2376 KB Output is correct
16 Correct 48 ms 2392 KB Output is correct
17 Correct 46 ms 2384 KB Output is correct
18 Correct 80 ms 2276 KB Output is correct
19 Execution timed out 7034 ms 4276 KB Time limit exceeded
20 Halted 0 ms 0 KB -