답안 #21811 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
21811	2017-04-25T21:53:59 Z	sampriti	Martian DNA (IOI16_dna)	C++14	100 / 100	13 ms	2024 KB

#include "dna.h"

#include <cstdlib>
#include <cassert>
#include <string>
#include <algorithm>
#include <ctime>

using namespace std;

string analyse(int N, int t) {
  int L = 0, R = N;
  while(L < R) {
    int mid = (L + R + 1)/2;
    string S = "";
    for(int i = 0; i < mid; i++) S += "1";

    if(make_test(S)) L = mid;
    else R = mid - 1;
  }
  int longest_1 = L;

  string ans = "";

  if(longest_1 == 0) {
    for(int i = 0; i < N; i++) ans += "0";
    return ans;
  }

  for(int i = 0; i < longest_1; i++) {
    ans += "1";
  }

  int false_cnt = 0;
  while(false_cnt <= longest_1) {
    if(make_test(ans + "0")) {
      ans += "0";
      false_cnt = 0;
    }
    else {
      ans += "1";
      false_cnt++;
    }
  }

  L = 1, R = ans.size();
  while(L < R) {
    int mid = (L + R + 1)/2;
    if(make_test(ans.substr(0, mid))) {
      L = mid;
    }
    else {
      R = mid - 1;
    }
  }
  ans = ans.substr(0, L);

  while(ans.size() < N) {
    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:58:20: 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

#	결과	메모리	Grader output
1	Correct	2024 KB	Output is correct
2	Correct	2024 KB	Output is correct
3	Correct	2024 KB	Output is correct
4	Correct	2024 KB	Output is correct
5	Correct	2024 KB	Output is correct
6	Correct	2024 KB	Output is correct
7	Correct	2024 KB	Output is correct
8	Correct	2024 KB	Output is correct
9	Correct	2024 KB	Output is correct
10	Correct	2024 KB	Output is correct
11	Correct	2024 KB	Output is correct
12	Correct	2024 KB	Output is correct
13	Correct	2024 KB	Output is correct
14	Correct	2024 KB	Output is correct
15	Correct	2024 KB	Output is correct
16	Correct	2024 KB	Output is correct
17	Correct	2024 KB	Output is correct
18	Correct	2024 KB	Output is correct
19	Correct	2024 KB	Output is correct
20	Correct	2024 KB	Output is correct
21	Correct	2024 KB	Output is correct
22	Correct	2024 KB	Output is correct
23	Correct	2024 KB	Output is correct
24	Correct	2024 KB	Output is correct

Subtask #2
25.0 / 25.0

#	결과	메모리	Grader output
1	Correct	2024 KB	Output is correct
2	Correct	2024 KB	Output is correct
3	Correct	2024 KB	Output is correct
4	Correct	2024 KB	Output is correct
5	Correct	2024 KB	Output is correct
6	Correct	2024 KB	Output is correct
7	Correct	2024 KB	Output is correct
8	Correct	2024 KB	Output is correct
9	Correct	2024 KB	Output is correct
10	Correct	2024 KB	Output is correct
11	Correct	2024 KB	Output is correct
12	Correct	2024 KB	Output is correct
13	Correct	2024 KB	Output is correct
14	Correct	2024 KB	Output is correct
15	Correct	2024 KB	Output is correct
16	Correct	2024 KB	Output is correct
17	Correct	2024 KB	Output is correct
18	Correct	2024 KB	Output is correct
19	Correct	2024 KB	Output is correct
20	Correct	2024 KB	Output is correct
21	Correct	2024 KB	Output is correct
22	Correct	2024 KB	Output is correct
23	Correct	2024 KB	Output is correct
24	Correct	2024 KB	Output is correct
25	Correct	2024 KB	Output is correct
26	Correct	2024 KB	Output is correct
27	Correct	2024 KB	Output is correct
28	Correct	2024 KB	Output is correct
29	Correct	2024 KB	Output is correct
30	Correct	2024 KB	Output is correct
31	Correct	2024 KB	Output is correct
32	Correct	2024 KB	Output is correct
33	Correct	2024 KB	Output is correct
34	Correct	2024 KB	Output is correct

Subtask #3
64.0 / 64.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2024 KB	Output is correct
2	Correct	0 ms	2024 KB	Output is correct
3	Correct	0 ms	2024 KB	Output is correct
4	Correct	0 ms	2024 KB	Output is correct
5	Correct	0 ms	2024 KB	Output is correct
6	Correct	0 ms	2024 KB	Output is correct
7	Correct	0 ms	2024 KB	Output is correct
8	Correct	0 ms	2024 KB	Output is correct
9	Correct	0 ms	2024 KB	Output is correct
10	Correct	0 ms	2024 KB	Output is correct
11	Correct	0 ms	2024 KB	Output is correct
12	Correct	0 ms	2024 KB	Output is correct
13	Correct	0 ms	2024 KB	Output is correct
14	Correct	0 ms	2024 KB	Output is correct
15	Correct	0 ms	2024 KB	Output is correct
16	Correct	0 ms	2024 KB	Output is correct
17	Correct	0 ms	2024 KB	Output is correct
18	Correct	0 ms	2024 KB	Output is correct
19	Correct	0 ms	2024 KB	Output is correct
20	Correct	0 ms	2024 KB	Output is correct
21	Correct	0 ms	2024 KB	Output is correct
22	Correct	9 ms	2024 KB	Output is correct
23	Correct	9 ms	2024 KB	Output is correct
24	Correct	9 ms	2024 KB	Output is correct
25	Correct	9 ms	2024 KB	Output is correct
26	Correct	9 ms	2024 KB	Output is correct
27	Correct	6 ms	2024 KB	Output is correct
28	Correct	6 ms	2024 KB	Output is correct
29	Correct	0 ms	2024 KB	Output is correct
30	Correct	13 ms	2024 KB	Output is correct
31	Correct	13 ms	2024 KB	Output is correct
32	Correct	3 ms	2024 KB	Output is correct
33	Correct	6 ms	2024 KB	Output is correct
34	Correct	6 ms	2024 KB	Output is correct
35	Correct	6 ms	2024 KB	Output is correct
36	Correct	6 ms	2024 KB	Output is correct
37	Correct	9 ms	2024 KB	Output is correct
38	Correct	9 ms	2024 KB	Output is correct
39	Correct	9 ms	2024 KB	Output is correct

답안 #21811

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 25.0 / 25.0

Subtask #3 64.0 / 64.0

Subtask #1
11.0 / 11.0

Subtask #2
25.0 / 25.0

Subtask #3
64.0 / 64.0