답안 #592825

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
592825 2022-07-09T16:23:07 Z tarche Martian DNA (IOI16_dna) C++17
100 / 100
13 ms 468 KB
#include "dna.h"

#include <bits/stdc++.h>

using namespace std;

int lengthLongestZeroChain(int n) {
  int low = 0, high = n;
  while (low + 1 < high) {
    int mid = (low + high) / 2;
    string s(mid, '0');
    if (make_test(s)) {
      low = mid;
    } else {
      high = mid;
    }
  }

  return low;
}

void findStringEnding(string& s, string& chain) {
  int n = (int)chain.length();
  int low = 0, high = n;
  while (low + 1 < high) {
    int mid = (low + high) / 2;
    chain = string(mid, '0');
    if (make_test(s + chain)) {
      low = mid;
    } else {
      high = mid;
    }
  }

  s += string(low, '0');
}

void growSubstringRight(string& s, string& chain) {
  if (make_test(s + chain + '1')) {
    s += chain + '1';
    chain = "";
  } else {
    chain += '0';
  }
}

void growSubstringLeft(string& s) {
  if (make_test('1' + s)) {
    s = "1" + s;
  } else {
    s = "0" + s;
  }
}

string analyse(int n, int t) {
  int zeroChainLen = lengthLongestZeroChain(n);
  string curr(zeroChainLen, '0'), chain = "";
  while ((int)chain.length() <= zeroChainLen && (int)curr.length() < n) {
    growSubstringRight(curr, chain);
  }

  findStringEnding(curr, chain);

  while ((int)curr.length() < n) {
    growSubstringLeft(curr);
  }

  return curr;
}

Compilation message

grader.cpp: In function 'bool make_test(std::string)':
grader.cpp:14:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |  for (int i = 0; i < p.size(); i++) {
      |                  ~~^~~~~~~~~~
grader.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |  for (int i = 1; i <= ss.size(); i++) {
      |                  ~~^~~~~~~~~~~~
grader.cpp:28:13: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if (pr[i] == p.size()) {
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 8 ms 392 KB Output is correct
23 Correct 9 ms 340 KB Output is correct
24 Correct 10 ms 468 KB Output is correct
25 Correct 13 ms 316 KB Output is correct
26 Correct 13 ms 356 KB Output is correct
27 Correct 7 ms 340 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 12 ms 328 KB Output is correct
30 Correct 5 ms 380 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 12 ms 340 KB Output is correct
33 Correct 8 ms 340 KB Output is correct
34 Correct 8 ms 340 KB Output is correct
35 Correct 7 ms 340 KB Output is correct
36 Correct 8 ms 388 KB Output is correct
37 Correct 7 ms 340 KB Output is correct
38 Correct 4 ms 340 KB Output is correct
39 Correct 9 ms 348 KB Output is correct