Submission #69872

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
69872	2018-08-21T18:12:17 Z	aquablitz11	Martian DNA (IOI16_dna)	C++14	0 / 100	16 ms	1112 KB

#include <bits/stdc++.h>
#include "dna.h"
using namespace std;

inline string rep(char c, int n) {
    assert(c == '0' || c == '1');
    string ret;
    for (int i = 0; i < n; ++i)
        ret.push_back(c);
    return ret;
}

string analyse(int n, int t)
{
    int b = 0, e = n;
    while (b < e) {
        int m = (b+e+1)/2;
        if (make_test(rep('0', m))) b = m;
        else e = m-1;
    }
    int max0len = e;
    if (max0len == n) return rep('0', n);
    if (max0len == 0) return rep('1', n);
    string str = rep('0', max0len);
    if (make_test(str+'1')) {
        while (true) {
            str.push_back('1');
            bool ok = false;
            for (int i = 0; i <= max0len && str.size()+i+1 <= n; ++i) {
                string q = str + rep('0', i) + '1';
                if (make_test(q)) {
                    str = q;
                    ok = true;
                    break;
                }
            }
            if (!ok) {
                int b = 0, e = max0len;
                while (b < e) {
                    int m = (b+e+1)/2;
                    string q = str + rep('0', m);
                    if (make_test(q)) b = m;
                    else e = m-1;
                }
                break;
            }
        }
    }
    while (str.size() < n) {
        str = "0" + str;
        if (!make_test(str))
            str[0] = str[0]=='0' ? '1' : '0';
    }

    return str;
}

Compilation message

dna.cpp: In function 'std::__cxx11::string analyse(int, int)':
dna.cpp:29:60: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int i = 0; i <= max0len && str.size()+i+1 <= n; ++i) {
                                             ~~~~~~~~~~~~~~~^~~~
dna.cpp:49:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while (str.size() < n) {
            ~~~~~~~~~~~^~~
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	2 ms	248 KB	Output is correct
2	Correct	2 ms	488 KB	Output is correct
3	Correct	3 ms	576 KB	Output is correct
4	Correct	2 ms	576 KB	Output is correct
5	Correct	3 ms	576 KB	Output is correct
6	Correct	2 ms	576 KB	Output is correct
7	Correct	2 ms	576 KB	Output is correct
8	Correct	2 ms	592 KB	Output is correct
9	Incorrect	2 ms	596 KB	Wrong DNA
10	Incorrect	2 ms	596 KB	Wrong DNA
11	Correct	2 ms	596 KB	Output is correct
12	Incorrect	2 ms	596 KB	Wrong DNA
13	Incorrect	2 ms	636 KB	Wrong DNA
14	Correct	2 ms	636 KB	Output is correct
15	Correct	2 ms	644 KB	Output is correct
16	Incorrect	2 ms	644 KB	Wrong DNA
17	Correct	2 ms	668 KB	Output is correct
18	Incorrect	2 ms	668 KB	Wrong DNA
19	Correct	2 ms	668 KB	Output is correct
20	Correct	2 ms	668 KB	Output is correct
21	Correct	2 ms	668 KB	Output is correct
22	Incorrect	2 ms	728 KB	Wrong DNA
23	Incorrect	2 ms	728 KB	Wrong DNA
24	Correct	2 ms	728 KB	Output is correct

Subtask #2
0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	728 KB	Output is correct
2	Correct	2 ms	728 KB	Output is correct
3	Correct	2 ms	728 KB	Output is correct
4	Correct	2 ms	728 KB	Output is correct
5	Correct	2 ms	728 KB	Output is correct
6	Correct	3 ms	756 KB	Output is correct
7	Incorrect	2 ms	756 KB	Wrong DNA
8	Correct	2 ms	756 KB	Output is correct
9	Correct	2 ms	756 KB	Output is correct
10	Correct	2 ms	756 KB	Output is correct
11	Correct	2 ms	756 KB	Output is correct
12	Incorrect	2 ms	756 KB	Wrong DNA
13	Incorrect	2 ms	756 KB	Wrong DNA
14	Incorrect	2 ms	756 KB	Wrong DNA
15	Incorrect	2 ms	756 KB	Wrong DNA
16	Correct	2 ms	756 KB	Output is correct
17	Incorrect	2 ms	756 KB	Wrong DNA
18	Incorrect	2 ms	756 KB	Wrong DNA
19	Incorrect	2 ms	756 KB	Wrong DNA
20	Incorrect	2 ms	756 KB	Wrong DNA
21	Incorrect	2 ms	816 KB	Wrong DNA
22	Incorrect	3 ms	816 KB	Wrong DNA
23	Incorrect	2 ms	816 KB	Wrong DNA
24	Correct	3 ms	816 KB	Output is correct
25	Correct	3 ms	816 KB	Output is correct
26	Correct	2 ms	816 KB	Output is correct
27	Correct	2 ms	816 KB	Output is correct
28	Incorrect	2 ms	816 KB	Wrong DNA
29	Incorrect	2 ms	816 KB	Wrong DNA
30	Incorrect	3 ms	816 KB	Wrong DNA
31	Incorrect	2 ms	816 KB	Wrong DNA
32	Incorrect	2 ms	816 KB	Wrong DNA
33	Incorrect	2 ms	816 KB	Wrong DNA
34	Correct	2 ms	816 KB	Output is correct

Subtask #3
0 / 64.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	816 KB	Output is correct
2	Correct	2 ms	992 KB	Output is correct
3	Correct	2 ms	992 KB	Output is correct
4	Correct	2 ms	992 KB	Output is correct
5	Correct	2 ms	992 KB	Output is correct
6	Correct	2 ms	992 KB	Output is correct
7	Incorrect	2 ms	992 KB	Wrong DNA
8	Correct	2 ms	992 KB	Output is correct
9	Correct	2 ms	992 KB	Output is correct
10	Correct	2 ms	992 KB	Output is correct
11	Correct	2 ms	992 KB	Output is correct
12	Incorrect	2 ms	992 KB	Wrong DNA
13	Correct	3 ms	992 KB	Output is correct
14	Incorrect	3 ms	992 KB	Wrong DNA
15	Incorrect	3 ms	992 KB	Wrong DNA
16	Correct	2 ms	992 KB	Output is correct
17	Incorrect	3 ms	992 KB	Wrong DNA
18	Incorrect	2 ms	992 KB	Wrong DNA
19	Incorrect	2 ms	992 KB	Wrong DNA
20	Incorrect	3 ms	992 KB	Wrong DNA
21	Incorrect	3 ms	992 KB	Wrong DNA
22	Incorrect	15 ms	992 KB	Wrong DNA
23	Incorrect	11 ms	992 KB	Wrong DNA
24	Incorrect	11 ms	992 KB	Wrong DNA
25	Incorrect	15 ms	992 KB	Wrong DNA
26	Incorrect	14 ms	1092 KB	Wrong DNA
27	Incorrect	16 ms	1092 KB	Wrong DNA
28	Incorrect	11 ms	1092 KB	Wrong DNA
29	Correct	4 ms	1112 KB	Output is correct
30	Correct	3 ms	1112 KB	Output is correct
31	Correct	6 ms	1112 KB	Output is correct
32	Correct	3 ms	1112 KB	Output is correct
33	Incorrect	13 ms	1112 KB	Wrong DNA
34	Incorrect	12 ms	1112 KB	Wrong DNA
35	Incorrect	12 ms	1112 KB	Wrong DNA
36	Incorrect	13 ms	1112 KB	Wrong DNA
37	Incorrect	12 ms	1112 KB	Wrong DNA
38	Incorrect	5 ms	1112 KB	Wrong DNA
39	Correct	9 ms	1112 KB	Output is correct

Submission #69872

Compilation message

Subtask #1 0 / 11.0

Subtask #2 0 / 25.0

Subtask #3 0 / 64.0

Subtask #1
0 / 11.0

Subtask #2
0 / 25.0

Subtask #3
0 / 64.0