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Submission #775328

# Submission time Handle Problem Language Result Execution time Memory
775328 2023-07-06T09:42:53 Z anha3k25cvp Martian DNA (IOI16_dna) C++14
0 / 100
 13 ms 412 KB 
#include <bits/stdc++.h>
#include "dna.h"

using namespace std;

string del(string S, int len) {
    string T;
    for (int i = 0; i + len < S.size(); i ++)
        T += S[i];
    return T;
}

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

Compilation message

dna.cpp: In function 'std::string del(std::string, int)':
dna.cpp:8:29: 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 + len < S.size(); i ++)
      |                     ~~~~~~~~^~~~~~~~~~
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 Incorrect 0 ms 212 KB Wrong DNA
5 Incorrect 0 ms 212 KB Wrong DNA
6 Correct 0 ms 212 KB Output is correct
7 Incorrect 0 ms 212 KB Wrong DNA
8 Incorrect 1 ms 212 KB Wrong DNA
9 Incorrect 0 ms 212 KB Wrong DNA
10 Incorrect 0 ms 212 KB Wrong DNA
11 Incorrect 0 ms 212 KB Wrong DNA
12 Incorrect 0 ms 212 KB Wrong DNA
13 Incorrect 0 ms 212 KB Wrong DNA
14 Incorrect 0 ms 212 KB Wrong DNA
15 Correct 0 ms 212 KB Output is correct
16 Incorrect 0 ms 212 KB Wrong DNA
17 Incorrect 1 ms 212 KB Wrong DNA
18 Incorrect 0 ms 212 KB Wrong DNA
19 Incorrect 0 ms 212 KB Wrong DNA
20 Incorrect 0 ms 212 KB Wrong DNA
21 Incorrect 0 ms 212 KB Wrong DNA
22 Incorrect 0 ms 212 KB Wrong DNA
23 Incorrect 1 ms 212 KB Wrong DNA
24 Incorrect 0 ms 212 KB Wrong DNA

Subtask #2
0 / 25.0

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

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 1 ms 212 KB Wrong DNA
4 Incorrect 0 ms 212 KB Wrong DNA
5 Incorrect 0 ms 212 KB Wrong DNA
6 Correct 0 ms 212 KB Output is correct
7 Incorrect 1 ms 212 KB Wrong DNA
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 Incorrect 0 ms 212 KB Wrong DNA
12 Incorrect 0 ms 212 KB Wrong DNA
13 Incorrect 0 ms 212 KB Wrong DNA
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 Incorrect 0 ms 212 KB Wrong DNA
18 Incorrect 0 ms 212 KB Wrong DNA
19 Incorrect 0 ms 212 KB Wrong DNA
20 Incorrect 0 ms 212 KB Wrong DNA
21 Incorrect 1 ms 212 KB Wrong DNA
22 Incorrect 7 ms 340 KB Wrong DNA
23 Incorrect 8 ms 316 KB Wrong DNA
24 Incorrect 7 ms 340 KB Wrong DNA
25 Incorrect 10 ms 332 KB Wrong DNA
26 Incorrect 10 ms 340 KB Wrong DNA
27 Incorrect 5 ms 340 KB Wrong DNA
28 Incorrect 5 ms 340 KB Wrong DNA
29 Incorrect 13 ms 336 KB Wrong DNA
30 Correct 5 ms 340 KB Output is correct
31 Incorrect 5 ms 340 KB Wrong DNA
32 Incorrect 11 ms 336 KB Wrong DNA
33 Incorrect 7 ms 340 KB Wrong DNA
34 Incorrect 8 ms 412 KB Wrong DNA
35 Incorrect 8 ms 340 KB Wrong DNA
36 Incorrect 6 ms 340 KB Wrong DNA
37 Incorrect 6 ms 340 KB Wrong DNA
38 Incorrect 8 ms 340 KB Wrong DNA
39 Incorrect 9 ms 340 KB Wrong DNA