oj.uz

Submission #742810

# Submission time Handle Problem Language Result Execution time Memory
742810 2023-05-17T02:37:03 Z nguyentunglam Martian DNA (IOI16_dna) C++17
100 / 100
 12 ms 468 KB 
#include "dna.h"
#include <cstdlib>
#include<bits/stdc++.h>
using namespace std;

std::string analyse(int n, int t) {
    string cur;
    int l = 1, r = n, len = 0;
    while (l <= r) {
        int mid = l + r >> 1;
        string ask;
        for(int i = 1; i <= mid; i++) ask.push_back('0');
        if (make_test(ask)) {
            len = mid;
            l = mid + 1;
        }
        else r = mid - 1;
    }
    for(int i = 1; i <= len; i++) cur.push_back('0');
    int wrong = 0;
    while (cur.size() < n && wrong <= len) {
        if (make_test(cur + '1')) {
            wrong = 0;
            cur = cur + '1';
        }
        else {
            wrong++;
            cur = cur + '0';
        }
    }
    while (wrong--) cur.pop_back();
    while (make_test(cur + '0')) cur = cur + '0';
    while (cur.size() < n) {
        if (make_test('1' + cur)) cur = '1' + cur;
        else cur = '0' + cur;
    }
    return cur;
}

Compilation message

dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:10:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   10 |         int mid = l + r >> 1;
      |                   ~~^~~
dna.cpp:21:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   21 |     while (cur.size() < n && wrong <= len) {
      |            ~~~~~~~~~~~^~~
dna.cpp:33:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   33 |     while (cur.size() < n) {
      |            ~~~~~~~~~~~^~~
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()) {

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory 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 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 296 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 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 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 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 1 ms 300 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 304 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 316 KB Output is correct
10 Correct 1 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 1 ms 296 KB Output is correct
14 Correct 1 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 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 296 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 256 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 300 KB Output is correct
28 Correct 1 ms 300 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 300 KB Output is correct
33 Correct 1 ms 296 KB Output is correct
34 Correct 1 ms 212 KB Output is correct

Subtask #3
64.0 / 64.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 292 KB Output is correct
12 Correct 1 ms 300 KB Output is correct
13 Correct 1 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 1 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 1 ms 212 KB Output is correct
22 Correct 8 ms 340 KB Output is correct
23 Correct 10 ms 340 KB Output is correct
24 Correct 8 ms 340 KB Output is correct
25 Correct 12 ms 340 KB Output is correct
26 Correct 12 ms 360 KB Output is correct
27 Correct 6 ms 468 KB Output is correct
28 Correct 7 ms 304 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 6 ms 300 KB Output is correct
31 Correct 6 ms 296 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 9 ms 340 KB Output is correct
34 Correct 9 ms 416 KB Output is correct
35 Correct 8 ms 300 KB Output is correct
36 Correct 9 ms 340 KB Output is correct
37 Correct 7 ms 340 KB Output is correct
38 Correct 5 ms 340 KB Output is correct
39 Correct 9 ms 304 KB Output is correct