| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 251418 |
2020-07-21T07:41:31 Z |
StevenH |
Martian DNA (IOI16_dna) |
C++14 |
|
16 ms |
392 KB |
#include "dna.h"
#include <cstdlib>
#include <iostream>
#include <cmath>
#include <random>
using namespace std;
string analyse(int n, int t)
{
string str = "";
bool flag = 0;
int cnt = 0;
int k = 12;
while (str.size() < n || cnt != 0)
{
if (flag == 0)
{
string a, b;
if (rand() % 2)
a = "0", b = "1";
else
a = "1", b = "0";
if (make_test(str + a))
str += a, cnt = 0;
else
{
if (cnt == k)
{
if (!make_test(str + b))
{
// int l = 1, r = k;
// while (l < r)
// {
// int mid = (l + r + 1) / 2;
// string res = str.substr(0, str.size() - k + mid);
// if (make_test(res))
// l = mid;
// else
// r = mid - 1;
// }
// str = str.substr(0, str.size() - k + l);
int tag;
for (int i = 1; i <= k; i++)
{
if (!make_test(str.substr(0, str.size() - k + i)))
break;
else
tag = i;
}
str = str.substr(0, str.size() - k + tag);
flag = 1;
cnt = 0;
continue;
}
else
{
str += b;
cnt = 0;
continue;
}
}
else
str += b, cnt++;
}
}
if (str.size() == n)
{
// int l = 1, r = cnt;
// while (l < r)
// {
// int mid = (l + r + 1) / 2;
// string res = str.substr(0, str.size() - cnt + mid);
// if (make_test(res))
// {
// l = mid;
// }
// else
// r = mid - 1;
// }
// str = str.substr(0, str.size() - cnt + l);
int tag;
for (int i = 1; i <= cnt; i++)
{
if (!make_test(str.substr(0, str.size() - cnt + i)))
break;
else
tag = i;
}
str = str.substr(0, str.size() - cnt + tag);
flag = 1;
cnt = 0;
}
if (flag == 1)
{
if (make_test("0" + str))
str = "0" + str;
else
str = "1" + str;
}
}
return str;
}
Compilation message
dna.cpp: In function 'std::__cxx11::string analyse(int, int)':
dna.cpp:16:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while (str.size() < n || cnt != 0)
~~~~~~~~~~~^~~
dna.cpp:69:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (str.size() == n)
~~~~~~~~~~~^~~~
dna.cpp:45:29: warning: 'tag' may be used uninitialized in this function [-Wmaybe-uninitialized]
int tag;
^~~
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 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 2 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 3 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 4 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 5 |
Incorrect |
1 ms |
256 KB |
Wrong DNA |
| 6 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 7 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 8 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 9 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 10 |
Correct |
0 ms |
256 KB |
Output is correct |
| 11 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 12 |
Incorrect |
0 ms |
384 KB |
Wrong DNA |
| 13 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 14 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 15 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 16 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 17 |
Incorrect |
1 ms |
256 KB |
Wrong DNA |
| 18 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 19 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 20 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 21 |
Incorrect |
1 ms |
256 KB |
Wrong DNA |
| 22 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 23 |
Correct |
0 ms |
256 KB |
Output is correct |
| 24 |
Correct |
0 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 2 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 3 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 4 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 5 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 6 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 7 |
Correct |
0 ms |
256 KB |
Output is correct |
| 8 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 9 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 10 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 11 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 12 |
Correct |
0 ms |
256 KB |
Output is correct |
| 13 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 14 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 15 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 16 |
Correct |
0 ms |
256 KB |
Output is correct |
| 17 |
Correct |
0 ms |
256 KB |
Output is correct |
| 18 |
Correct |
1 ms |
256 KB |
Output is correct |
| 19 |
Correct |
0 ms |
256 KB |
Output is correct |
| 20 |
Correct |
0 ms |
256 KB |
Output is correct |
| 21 |
Correct |
1 ms |
256 KB |
Output is correct |
| 22 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 23 |
Correct |
0 ms |
256 KB |
Output is correct |
| 24 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 25 |
Incorrect |
1 ms |
256 KB |
Wrong DNA |
| 26 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 27 |
Correct |
1 ms |
256 KB |
Output is correct |
| 28 |
Correct |
0 ms |
256 KB |
Output is correct |
| 29 |
Correct |
1 ms |
256 KB |
Output is correct |
| 30 |
Correct |
1 ms |
256 KB |
Output is correct |
| 31 |
Correct |
0 ms |
256 KB |
Output is correct |
| 32 |
Correct |
0 ms |
256 KB |
Output is correct |
| 33 |
Correct |
0 ms |
256 KB |
Output is correct |
| 34 |
Correct |
1 ms |
256 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 2 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 3 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 4 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 5 |
Incorrect |
1 ms |
256 KB |
Wrong DNA |
| 6 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 7 |
Correct |
0 ms |
256 KB |
Output is correct |
| 8 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 9 |
Incorrect |
1 ms |
256 KB |
Wrong DNA |
| 10 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 11 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 12 |
Incorrect |
1 ms |
256 KB |
Wrong DNA |
| 13 |
Correct |
0 ms |
256 KB |
Output is correct |
| 14 |
Correct |
0 ms |
256 KB |
Output is correct |
| 15 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 16 |
Incorrect |
0 ms |
256 KB |
Wrong DNA |
| 17 |
Correct |
1 ms |
256 KB |
Output is correct |
| 18 |
Correct |
1 ms |
256 KB |
Output is correct |
| 19 |
Correct |
1 ms |
256 KB |
Output is correct |
| 20 |
Correct |
1 ms |
256 KB |
Output is correct |
| 21 |
Correct |
1 ms |
256 KB |
Output is correct |
| 22 |
Correct |
16 ms |
384 KB |
Output is correct |
| 23 |
Correct |
13 ms |
384 KB |
Output is correct |
| 24 |
Correct |
13 ms |
384 KB |
Output is correct |
| 25 |
Correct |
14 ms |
384 KB |
Output is correct |
| 26 |
Correct |
12 ms |
384 KB |
Output is correct |
| 27 |
Incorrect |
7 ms |
384 KB |
Wrong DNA |
| 28 |
Correct |
7 ms |
384 KB |
Output is correct |
| 29 |
Incorrect |
8 ms |
384 KB |
Wrong DNA |
| 30 |
Incorrect |
9 ms |
384 KB |
Wrong DNA |
| 31 |
Incorrect |
8 ms |
392 KB |
Wrong DNA |
| 32 |
Correct |
8 ms |
384 KB |
Output is correct |
| 33 |
Correct |
9 ms |
384 KB |
Output is correct |
| 34 |
Correct |
10 ms |
384 KB |
Output is correct |
| 35 |
Correct |
8 ms |
384 KB |
Output is correct |
| 36 |
Correct |
8 ms |
384 KB |
Output is correct |
| 37 |
Correct |
8 ms |
384 KB |
Output is correct |
| 38 |
Correct |
9 ms |
384 KB |
Output is correct |
| 39 |
Correct |
10 ms |
384 KB |
Output is correct |
