oj.uz

Submission #557987

# Submission time Handle Problem Language Result Execution time Memory
557987 2022-05-06T12:35:45 Z Ai7081 Martian DNA (IOI16_dna) C++17
0 / 100
 14 ms 404 KB 
#include "dna.h"
#include <bits/stdc++.h>
using namespace std;

string analyse(int n, int t) {
    string s;
    int l, r;
    if (!make_test("0")) {
        while (n--) s += "1";
        return s;
    }

    for (int i=0; i<n; i++) s += "0";
    l=1, r=n+1;
    while (l < r) {
        int mid = (l+r)/2;
        if (make_test(s.substr(0, mid))) l = mid+1;
        else r = mid;
    }
    int max0 = l-1;
    s = s.substr(0, max0);

    l=0;
    while (l < max0) {
        if (make_test(s + "1")) s += "1", l=0;
        else s += "0", l++;
    }
    l=1, r=s.size()+1;
    while  (l < r) {
        int mid = (l+r)/2;
        if (make_test(s.substr(0, mid))) l = mid+1;
        else r = mid;
    }
    s = s.substr(0, l-1);

    while (s.size() < n) s = (make_test("1"+s) ? "1" : "0") + s;
    return s;
}

Compilation message

dna.cpp: In function 'std::string analyse(int, int)':
dna.cpp:36:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   36 |     while (s.size() < n) s = (make_test("1"+s) ? "1" : "0") + s;
      |            ~~~~~~~~~^~~
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
0 / 11.0

# Verdict Execution time Memory 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 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 Incorrect 0 ms 248 KB Wrong DNA
11 Correct 0 ms 212 KB Output is correct
12 Incorrect 0 ms 212 KB Wrong DNA
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 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 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 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory 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 0 ms 212 KB Output is correct
5 Correct 1 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 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 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 Incorrect 1 ms 212 KB Wrong DNA
19 Incorrect 1 ms 212 KB Wrong DNA
20 Correct 1 ms 300 KB Output is correct
21 Incorrect 1 ms 212 KB Wrong DNA
22 Incorrect 1 ms 212 KB Wrong DNA
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 Incorrect 1 ms 212 KB Wrong DNA
30 Incorrect 1 ms 212 KB Wrong DNA
31 Incorrect 1 ms 212 KB Wrong DNA
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct

Subtask #3
0 / 64.0

# Verdict Execution time Memory 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 0 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 1 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 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 Incorrect 1 ms 212 KB Wrong DNA
22 Correct 9 ms 340 KB Output is correct
23 Incorrect 9 ms 340 KB Wrong DNA
24 Incorrect 8 ms 404 KB Wrong DNA
25 Correct 11 ms 360 KB Output is correct
26 Correct 11 ms 340 KB Output is correct
27 Incorrect 7 ms 372 KB Wrong DNA
28 Correct 7 ms 340 KB Output is correct
29 Correct 12 ms 328 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 14 ms 332 KB Output is correct
33 Correct 8 ms 320 KB Output is correct
34 Correct 8 ms 340 KB Output is correct
35 Correct 7 ms 340 KB Output is correct
36 Incorrect 8 ms 340 KB Wrong DNA
37 Incorrect 8 ms 340 KB Wrong DNA
38 Correct 10 ms 340 KB Output is correct
39 Correct 10 ms 340 KB Output is correct