oj.uz

Submission #27883

# Submission time Handle Problem Language Result Execution time Memory
27883 2017-07-14T11:02:08 Z abcdef6199 Martian DNA (IOI16_dna) C++
0 / 100
 13 ms 2020 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;

string analyse(int n, int t) {
    int l, r, f;

    l = 1; r = n; f = 0;
    while (l <= r) {
        int mid = (l + r) >> 1;
        if (make_test(string(mid, '0'))) {
            f = mid;
            l = mid + 1;
        }
        else r = mid - 1;
    }
    if (f == 0) return string(n, '1');

    string ans(f, '0');
    int cur = 0;
    while (1) {
        if (make_test(ans + "1")) {
            cur = 0;
            ans += "1";
        }
        else {
            ans += "0";
            cur += 1;
        }
        if (cur > l) break;
    }
    while (cur--) ans.erase((int) ans.size() - 1);

    for (int i = n - (int) ans.size(); i >= 1; --i) {
        if (make_test("1" + ans)) ans = "1" + ans;
        else ans = "0" + ans;
    }
    return ans;
}

Compilation message

grader.cpp: In function 'bool make_test(std::__cxx11::string)':
grader.cpp:14:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < p.size(); i++) {
                    ^
grader.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 1; i <= ss.size(); i++) {
                    ^
grader.cpp:28:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (pr[i] == p.size()) {
             ^

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Incorrect 0 ms 2020 KB Wrong DNA
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Incorrect 0 ms 2020 KB Wrong DNA
14 Correct 0 ms 2020 KB Output is correct
15 Correct 0 ms 2020 KB Output is correct
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Incorrect 0 ms 2020 KB Wrong DNA
23 Correct 0 ms 2020 KB Output is correct
24 Correct 0 ms 2020 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Correct 0 ms 2020 KB Output is correct
13 Correct 0 ms 2020 KB Output is correct
14 Incorrect 0 ms 2020 KB Wrong DNA
15 Incorrect 0 ms 2020 KB Wrong DNA
16 Correct 0 ms 2020 KB Output is correct
17 Incorrect 0 ms 2020 KB Wrong DNA
18 Correct 0 ms 2020 KB Output is correct
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Correct 0 ms 2020 KB Output is correct
22 Correct 0 ms 2020 KB Output is correct
23 Incorrect 0 ms 2020 KB Wrong DNA
24 Correct 0 ms 2020 KB Output is correct
25 Correct 0 ms 2020 KB Output is correct
26 Correct 0 ms 2020 KB Output is correct
27 Correct 0 ms 2020 KB Output is correct
28 Incorrect 0 ms 2020 KB Wrong DNA
29 Correct 0 ms 2020 KB Output is correct
30 Correct 0 ms 2020 KB Output is correct
31 Incorrect 0 ms 2020 KB Wrong DNA
32 Correct 0 ms 2020 KB Output is correct
33 Correct 0 ms 2020 KB Output is correct
34 Correct 0 ms 2020 KB Output is correct

Subtask #3
0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Correct 0 ms 2020 KB Output is correct
8 Correct 0 ms 2020 KB Output is correct
9 Correct 0 ms 2020 KB Output is correct
10 Correct 0 ms 2020 KB Output is correct
11 Correct 0 ms 2020 KB Output is correct
12 Incorrect 0 ms 2020 KB Wrong DNA
13 Correct 0 ms 2020 KB Output is correct
14 Incorrect 0 ms 2020 KB Wrong DNA
15 Incorrect 0 ms 2020 KB Wrong DNA
16 Correct 0 ms 2020 KB Output is correct
17 Correct 0 ms 2020 KB Output is correct
18 Incorrect 0 ms 2020 KB Wrong DNA
19 Correct 0 ms 2020 KB Output is correct
20 Correct 0 ms 2020 KB Output is correct
21 Incorrect 0 ms 2020 KB Wrong DNA
22 Incorrect 9 ms 2020 KB Wrong DNA
23 Correct 9 ms 2020 KB Output is correct
24 Correct 9 ms 2020 KB Output is correct
25 Correct 13 ms 2020 KB Output is correct
26 Incorrect 13 ms 2020 KB Wrong DNA
27 Correct 6 ms 2020 KB Output is correct
28 Incorrect 6 ms 2020 KB Wrong DNA
29 Correct 13 ms 2020 KB Output is correct
30 Correct 0 ms 2020 KB Output is correct
31 Correct 6 ms 2020 KB Output is correct
32 Correct 13 ms 2020 KB Output is correct
33 Incorrect 9 ms 2020 KB Wrong DNA
34 Incorrect 9 ms 2020 KB Wrong DNA
35 Incorrect 6 ms 2020 KB Wrong DNA
36 Incorrect 9 ms 2020 KB Wrong DNA
37 Incorrect 6 ms 2020 KB Wrong DNA
38 Correct 9 ms 2020 KB Output is correct
39 Correct 9 ms 2020 KB Output is correct