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Submission #775168

# Submission time Handle Problem Language Result Execution time Memory
775168 2023-07-06T08:28:39 Z anha3k25cvp Martian DNA (IOI16_dna) C++14
0 / 100
 65 ms 480 KB 
#include <bits/stdc++.h>
#include "dna.h"

using namespace std;

string analyse(int n, int t) {
    int type = 0;
    string ans;
    while (n) {
        type ^= 1;
        string S = ans;
        S += '0' + type;
        int add_left = make_test(S);
        if (add_left) {
            int lo = 1, hi = n;
            while (lo < hi) {
                int mid = (lo + hi + 1) / 2;
                S = ans;
                for (int i = 1; i <= mid; i ++)
                    S += '0' + type;
                int val = make_test(S);
                if (val)
                    lo = mid;
                else
                    hi = mid - 1;
            }
            n -= lo;
            for (int i = 1; i <= lo; i ++)
                ans += '0' + type;
            continue;
        }
        int lo = 1, hi = n;
        while (lo < hi) {
            int mid = (lo + hi + 1) / 2;
            S = "";
            for (int i = 1; i <= mid; i ++)
                S += '0' + type;
            S += ans;
            int val = make_test(S);
            if (val)
                lo = mid;
            else
                hi = mid - 1;
        }
        n -= lo;
        for (int i = 1; i <= lo; i ++)
            ans = char('0' + type) + ans;
    }
    return ans;
}

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 Incorrect 0 ms 212 KB Wrong DNA
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Wrong DNA
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Incorrect 0 ms 212 KB Wrong DNA
9 Incorrect 0 ms 212 KB Wrong DNA
10 Correct 1 ms 212 KB Output is correct
11 Incorrect 1 ms 212 KB Wrong DNA
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Incorrect 0 ms 212 KB Wrong DNA
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Incorrect 0 ms 212 KB Wrong DNA
20 Correct 0 ms 212 KB Output is correct
21 Incorrect 0 ms 212 KB Wrong DNA
22 Incorrect 0 ms 212 KB Wrong DNA
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Wrong DNA
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Wrong DNA
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Wrong DNA
10 Incorrect 1 ms 212 KB Wrong DNA
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Incorrect 0 ms 212 KB Wrong DNA
15 Correct 0 ms 212 KB Output is correct
16 Incorrect 1 ms 212 KB Wrong DNA
17 Incorrect 1 ms 212 KB Wrong DNA
18 Incorrect 1 ms 212 KB Too many tests
19 Incorrect 1 ms 212 KB Too many tests
20 Incorrect 1 ms 212 KB Too many tests
21 Incorrect 1 ms 212 KB Too many tests
22 Incorrect 1 ms 212 KB Too many tests
23 Incorrect 1 ms 212 KB Too many tests
24 Incorrect 1 ms 212 KB Wrong DNA
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Incorrect 1 ms 212 KB Wrong DNA
29 Incorrect 1 ms 212 KB Too many tests
30 Incorrect 1 ms 212 KB Too many tests
31 Incorrect 1 ms 212 KB Wrong DNA
32 Incorrect 1 ms 212 KB Too many tests
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct

Subtask #3
0 / 64.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Wrong DNA
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Wrong DNA
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Wrong DNA
10 Incorrect 0 ms 212 KB Wrong DNA
11 Correct 0 ms 212 KB Output is correct
12 Incorrect 0 ms 212 KB Wrong DNA
13 Correct 0 ms 212 KB Output is correct
14 Incorrect 0 ms 212 KB Wrong DNA
15 Incorrect 0 ms 212 KB Wrong DNA
16 Incorrect 1 ms 212 KB Wrong DNA
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 1 ms 212 KB Wrong DNA
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Incorrect 1 ms 212 KB Wrong DNA
22 Incorrect 43 ms 368 KB Wrong DNA
23 Incorrect 35 ms 372 KB Too many tests
24 Incorrect 36 ms 356 KB Too many tests
25 Incorrect 36 ms 400 KB Too many tests
26 Incorrect 43 ms 340 KB Wrong DNA
27 Incorrect 49 ms 364 KB Too many tests
28 Incorrect 49 ms 348 KB Too many tests
29 Incorrect 65 ms 396 KB Wrong DNA
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Incorrect 61 ms 340 KB Wrong DNA
34 Incorrect 58 ms 360 KB Wrong DNA
35 Incorrect 60 ms 368 KB Wrong DNA
36 Incorrect 62 ms 384 KB Wrong DNA
37 Incorrect 61 ms 480 KB Wrong DNA
38 Correct 1 ms 340 KB Output is correct
39 Correct 0 ms 212 KB Output is correct