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Submission #433411

# Submission time Handle Problem Language Result Execution time Memory
433411 2021-06-19T17:47:58 Z Kanaifu Martian DNA (IOI16_dna) C++14
0 / 100
 13 ms 376 KB 
#include <bits/stdc++.h>
#include "dna.h"
#include <cstdlib>
//#include "grader.cpp"

using namespace std;

mt19937 randseed(time(nullptr));

std::string analyse(int n, int t)
{
    bool suff = false;
    int last = 0;
    string sub = "";
    string las = "";
    while ((int)las.size()<n)
    {
        if (suff)
        {
            sub = "0" + sub;
            if (!make_test(sub))
            {
                sub[0] = '1';
            }
            las = sub;
            continue;
        }
        int koristi =  randseed() % 2;
        if (koristi)
        {
            sub += "1";
            if (make_test(sub))
            {
                las = sub;
                last = 0;
            }
            else
            {
                sub.back()= '0';
                last++;
                if (last>20)
                {
                    suff=true;
                    sub = las;
                    continue;
                }
            }
        }
        else
        {
            sub += "0";
            if (make_test(sub))
            {
                las = sub;
                last = 0;
            }
            else
            {
                sub.back() = '1';
                last++;
                if (last>20)
                {
                    suff=true;
                    sub = las;
                    continue;
                }
            }
        }
        //cout<<las<<" ";
    }
    return las;
}

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

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 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 1 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 Incorrect 0 ms 204 KB Wrong DNA
11 Incorrect 0 ms 204 KB Wrong DNA
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 Incorrect 0 ms 204 KB Wrong DNA
17 Correct 0 ms 204 KB Output is correct
18 Incorrect 1 ms 204 KB Wrong DNA
19 Correct 0 ms 204 KB Output is correct
20 Incorrect 1 ms 204 KB Wrong DNA
21 Correct 0 ms 204 KB Output is correct
22 Incorrect 0 ms 204 KB Wrong DNA
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory 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 Incorrect 1 ms 204 KB Wrong DNA
6 Correct 0 ms 204 KB Output is correct
7 Incorrect 1 ms 204 KB Wrong DNA
8 Correct 1 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 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Incorrect 0 ms 204 KB Wrong DNA
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Incorrect 1 ms 204 KB Wrong DNA
20 Incorrect 1 ms 204 KB Wrong DNA
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Incorrect 1 ms 204 KB Wrong DNA
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Incorrect 1 ms 204 KB Wrong DNA
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Incorrect 1 ms 204 KB Wrong DNA
31 Correct 1 ms 204 KB Output is correct
32 Incorrect 1 ms 204 KB Wrong DNA
33 Incorrect 1 ms 204 KB Wrong DNA
34 Correct 1 ms 204 KB Output is correct

Subtask #3
0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 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 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Incorrect 0 ms 204 KB Wrong DNA
11 Correct 0 ms 204 KB Output is correct
12 Incorrect 1 ms 204 KB Wrong DNA
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 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 Incorrect 1 ms 204 KB Wrong DNA
18 Incorrect 1 ms 204 KB Wrong DNA
19 Incorrect 1 ms 204 KB Wrong DNA
20 Correct 1 ms 204 KB Output is correct
21 Incorrect 1 ms 204 KB Wrong DNA
22 Incorrect 11 ms 332 KB Wrong DNA
23 Correct 10 ms 332 KB Output is correct
24 Incorrect 11 ms 360 KB Wrong DNA
25 Incorrect 8 ms 360 KB Wrong DNA
26 Correct 13 ms 332 KB Output is correct
27 Correct 7 ms 332 KB Output is correct
28 Incorrect 7 ms 332 KB Wrong DNA
29 Correct 8 ms 364 KB Output is correct
30 Correct 7 ms 332 KB Output is correct
31 Correct 8 ms 332 KB Output is correct
32 Incorrect 7 ms 332 KB Wrong DNA
33 Correct 9 ms 332 KB Output is correct
34 Correct 8 ms 332 KB Output is correct
35 Correct 8 ms 376 KB Output is correct
36 Incorrect 8 ms 360 KB Wrong DNA
37 Incorrect 8 ms 332 KB Wrong DNA
38 Incorrect 8 ms 352 KB Wrong DNA
39 Incorrect 9 ms 332 KB Wrong DNA