Submission #108386

# Submission time Handle Problem Language Result Execution time Memory
108386 2019-04-29T03:39:29 Z PeppaPig Martian DNA (IOI16_dna) C++14
0 / 100
15 ms 512 KB
#include "dna.h"
#include <bits/stdc++.h>

using namespace std;

string analyse(int n, int t) {
    int l = 1, r = n;
    while(l < r) {
        int m = (l + r + 1) >> 1;
        if(make_test(string(m, '0'))) l = m;
        else r = m-1;
    }

    string ret(l, '0');
    auto zero = [&](string a) {
        int ret = 0;
        for(int i = a.length()-1; ~i; i--) {
            if(a[i] != '0') break;
            ++ret;
        }
        return ret;
    };
    while(zero(ret) <= l) {
        if(make_test(ret + '1')) ret += '1';
        else ret += '0';
    }

    l = 1, r = n;
    while(l < r) {
        int m = (l + r + 1) >> 1;
        if(make_test(ret.substr(0, m))) l = m;
        else r = m-1;
    }
    ret = ret.substr(0, l);
    while(ret.length() != n) {
        if(make_test('1' + ret)) ret = '1' + ret;
        else ret = '0' + ret;
    }
    return ret;
}

Compilation message

dna.cpp: In function 'std::__cxx11::string analyse(int, int)':
dna.cpp:35:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(ret.length() != 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()) {
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 384 KB Wrong DNA
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Incorrect 2 ms 384 KB Wrong DNA
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Incorrect 2 ms 256 KB Wrong DNA
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 256 KB Wrong DNA
3 Correct 3 ms 256 KB Output is correct
4 Correct 3 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Incorrect 3 ms 384 KB Wrong DNA
7 Correct 2 ms 256 KB Output is correct
8 Incorrect 3 ms 256 KB Wrong DNA
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 256 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 3 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Incorrect 3 ms 384 KB Wrong DNA
26 Correct 2 ms 384 KB Output is correct
27 Correct 3 ms 384 KB Output is correct
28 Correct 3 ms 256 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Correct 2 ms 384 KB Output is correct
31 Correct 2 ms 256 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 2 ms 256 KB Output is correct
34 Correct 2 ms 256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 256 KB Output is correct
2 Incorrect 2 ms 256 KB Wrong DNA
3 Correct 3 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Incorrect 3 ms 384 KB Wrong DNA
7 Correct 2 ms 256 KB Output is correct
8 Incorrect 2 ms 384 KB Wrong DNA
9 Correct 2 ms 256 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 10 ms 384 KB Output is correct
23 Correct 12 ms 384 KB Output is correct
24 Correct 11 ms 512 KB Output is correct
25 Correct 15 ms 384 KB Output is correct
26 Correct 15 ms 384 KB Output is correct
27 Correct 8 ms 384 KB Output is correct
28 Correct 10 ms 384 KB Output is correct
29 Correct 3 ms 384 KB Output is correct
30 Incorrect 13 ms 384 KB Wrong DNA
31 Correct 8 ms 384 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 11 ms 384 KB Output is correct
34 Correct 13 ms 384 KB Output is correct
35 Correct 12 ms 384 KB Output is correct
36 Correct 11 ms 384 KB Output is correct
37 Correct 10 ms 384 KB Output is correct
38 Correct 13 ms 384 KB Output is correct
39 Correct 8 ms 388 KB Output is correct