oj.uz

Submission #127546

# Submission time Handle Problem Language Result Execution time Memory
127546 2019-07-09T14:40:54 Z mahmoudbadawy Martian DNA (IOI16_dna) C++17
100 / 100
 18 ms 392 KB 
#include "dna.h"
#include <bits/stdc++.h>
#include <cstdlib>

using namespace std;

std::string analyse(int n, int t) {
	int st=0,en=n,cnt0=0;
	while(st<=en)
	{
		int mid=(st+en)/2;
		if(make_test(string(mid,'0')))
			cnt0=mid,st=mid+1;
		else
			en=mid-1;
	}
	string ans=string(cnt0,'0');
    int fail=0;
    while(ans.size()<n)
    {
    	if(make_test(ans+"1"))
    	{
    		ans+="1";
    		fail=0;
    	}
    	else
    	{
    		ans+="0";
    		fail++;
    	}
    	if(fail>cnt0) break;
    }
    st=cnt0,en=ans.size(); int mx=cnt0;
    while(st<=en)
    {
    	int mid=(st+en)/2;
    	if(make_test(ans.substr(0,mid)))
    		mx=mid,st=mid+1;
    	else
    		en=mid-1;
    }
    ans=ans.substr(0,mx);
    //cout << ans << endl;
    for(int i=ans.size();i<n;i++)
    {
    	if(make_test("0"+ans))
    		ans="0"+ans;
    	else
    		ans="1"+ans;
    }
    return ans;
}

Compilation message

dna.cpp: In function 'std::__cxx11::string analyse(int, int)':
dna.cpp:19:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(ans.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
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 256 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 252 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 316 KB Output is correct
3 Correct 2 ms 356 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 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 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 3 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 256 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 252 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 392 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 256 KB Output is correct

Subtask #3
64.0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 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 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 256 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 13 ms 376 KB Output is correct
23 Correct 15 ms 376 KB Output is correct
24 Correct 12 ms 376 KB Output is correct
25 Correct 18 ms 376 KB Output is correct
26 Correct 16 ms 376 KB Output is correct
27 Correct 9 ms 376 KB Output is correct
28 Correct 9 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 8 ms 376 KB Output is correct
31 Correct 8 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 11 ms 376 KB Output is correct
34 Correct 11 ms 376 KB Output is correct
35 Correct 10 ms 376 KB Output is correct
36 Correct 11 ms 376 KB Output is correct
37 Correct 10 ms 376 KB Output is correct
38 Correct 6 ms 376 KB Output is correct
39 Correct 13 ms 376 KB Output is correct