oj.uz

답안 #527972

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
527972 2022-02-18T21:42:46 Z tabr Martian DNA (IOI16_dna) C++17
0 / 100
 13 ms 388 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

#ifdef tabr
function<bool(string)> make_test;
#else
#include "dna.h"
#endif

mt19937 rng((unsigned int) chrono::steady_clock::now().time_since_epoch().count());

int rand_int(int a, int b) {  // [a, b]
    return uniform_int_distribution<int>(a, b)(rng);
}

string analyse(int n, int) {
    string ans;
    int lst = -1;
    for (int i = 0; i < n; i++) {
        int x = rand_int(0, 1);
        string c = to_string(x);
        if (make_test(ans + c)) {
            lst = i;
        } else {
            x ^= 1;
        }
        ans += to_string(x);
        if (lst + 15 < i || i == n - 1) {
            if (make_test(ans)) {
                lst = i;
                continue;
            }
            debug(ans);
            int low = lst + 1;
            int high = (int) ans.size();
            while (high - low > 1) {
                int mid = (high + low) >> 1;
                if (make_test(ans.substr(mid))) {
                    low = mid;
                } else {
                    high = mid;
                }
            }
            ans.resize(low);
            debug(ans);
            lst = low - 1;
            break;
        }
    }
    for (int i = (int) ans.size(); i < n; i++) {
        int x = rand_int(0, 1);
        string c = to_string(x);
        if (!make_test(c + ans)) {
            x ^= 1;
        }
        ans = to_string(x) + ans;
    }
    return ans;
}

#ifdef tabr
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    string s;
    cin >> s;
    make_test = [&](string p) {
        if (p.size() > s.size()) {
            return false;
        }
        for (int i = 0; i <= (int) (s.size() - p.size()); i++) {
            if (p == s.substr(i, p.size())) {
                return true;
            }
        }
        return false;
    };
    cout << analyse((int) s.size(), 0) << '\n';
    return 0;
}
#endif

Compilation message

grader.cpp: In function 'bool make_test(std::string)':
grader.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for (int i = 0; i < p.size(); i++) {
      |                  ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i = 1; i <= ss.size(); i++) {
      |                  ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if (pr[i] == p.size()) {

Subtask #1
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 292 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Incorrect 1 ms 204 KB Wrong DNA
21 Incorrect 0 ms 204 KB Wrong DNA
22 Incorrect 1 ms 204 KB Wrong DNA
23 Incorrect 0 ms 204 KB Wrong DNA
24 Incorrect 1 ms 204 KB Wrong DNA

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Incorrect 0 ms 204 KB Wrong DNA
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 216 KB Output is correct
17 Incorrect 0 ms 204 KB Wrong DNA
18 Incorrect 1 ms 204 KB Wrong DNA
19 Incorrect 0 ms 204 KB Wrong DNA
20 Incorrect 1 ms 204 KB Wrong DNA
21 Incorrect 1 ms 204 KB Wrong DNA
22 Correct 1 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Incorrect 1 ms 204 KB Wrong DNA
29 Correct 0 ms 204 KB Output is correct
30 Incorrect 1 ms 204 KB Wrong DNA
31 Correct 0 ms 204 KB Output is correct
32 Incorrect 1 ms 204 KB Wrong DNA
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct

Subtask #3
0 / 64.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Incorrect 0 ms 204 KB Wrong DNA
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Incorrect 1 ms 332 KB Wrong DNA
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Incorrect 0 ms 204 KB Wrong DNA
18 Incorrect 1 ms 204 KB Wrong DNA
19 Incorrect 1 ms 204 KB Wrong DNA
20 Incorrect 0 ms 204 KB Wrong DNA
21 Incorrect 0 ms 204 KB Wrong DNA
22 Incorrect 13 ms 332 KB Wrong DNA
23 Incorrect 6 ms 332 KB Wrong DNA
24 Incorrect 8 ms 376 KB Wrong DNA
25 Incorrect 7 ms 332 KB Wrong DNA
26 Incorrect 8 ms 332 KB Wrong DNA
27 Correct 5 ms 372 KB Output is correct
28 Correct 6 ms 388 KB Output is correct
29 Correct 6 ms 332 KB Output is correct
30 Correct 6 ms 344 KB Output is correct
31 Correct 7 ms 376 KB Output is correct
32 Correct 6 ms 340 KB Output is correct
33 Incorrect 8 ms 336 KB Wrong DNA
34 Correct 7 ms 356 KB Output is correct
35 Correct 7 ms 344 KB Output is correct
36 Incorrect 7 ms 340 KB Wrong DNA
37 Correct 8 ms 332 KB Output is correct
38 Incorrect 8 ms 364 KB Wrong DNA
39 Incorrect 8 ms 380 KB Wrong DNA