oj.uz

Submission #1120244

# Submission time Handle Problem Language Result Execution time Memory
1120244 2024-11-28T06:44:04 Z vjudge1 Palindrome-Free Numbers (BOI13_numbers) C++17
26.6667 / 100
 1000 ms 504 KB 
#include <bits/stdc++.h>
using namespace std;
# define int long long

bool ok(string s)
{
  string scc;
  for(int i = 0; i < s.size() - 1; i++)
  {
    for(int j = i + 1; j < s.size(); j++)
    {
      string sc = "";
      for(int z = i; z <= j; z++)
        sc += s[z];
      scc = sc;
      reverse(scc.begin(), scc.end());
      if(sc == scc){
        return 1;
      }
    }
  }
  return 0;
}

void solve()
{
  string s;
  int a, b, cnt = 0;
  cin >> a >> b;
  for(int i = a; i <= b; i++)
  {
    s = to_string(i);
    if(ok(s))
    {
      cnt++;
    }
  }
  cout << (b - a + 1) - cnt << endl;
}

signed main()
{
  int tt = 1;
  // cin >> tt;
  while(tt--)
    solve();
}

Compilation message

numbers.cpp: In function 'bool ok(std::string)':
numbers.cpp:8:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |   for(int i = 0; i < s.size() - 1; i++)
      |                  ~~^~~~~~~~~~~~~~
numbers.cpp:10:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |     for(int j = i + 1; j < s.size(); j++)
      |                        ~~^~~~~~~~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 407 ms 420 KB Output is correct
4 Correct 22 ms 336 KB Output is correct
5 Correct 1 ms 396 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 440 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 21 ms 432 KB Output is correct
15 Correct 23 ms 336 KB Output is correct
16 Correct 3 ms 336 KB Output is correct
17 Correct 11 ms 436 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 456 ms 416 KB Output is correct
20 Correct 17 ms 336 KB Output is correct

Subtask #2
1.66666666667 / 75.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1057 ms 336 KB Time limit exceeded
2 Execution timed out 1055 ms 336 KB Time limit exceeded
3 Execution timed out 1086 ms 336 KB Time limit exceeded
4 Execution timed out 1049 ms 336 KB Time limit exceeded
5 Execution timed out 1060 ms 336 KB Time limit exceeded
6 Execution timed out 1067 ms 336 KB Time limit exceeded
7 Execution timed out 1028 ms 420 KB Time limit exceeded
8 Correct 706 ms 336 KB Output is correct
9 Execution timed out 1047 ms 336 KB Time limit exceeded
10 Execution timed out 1036 ms 336 KB Time limit exceeded
11 Execution timed out 1048 ms 336 KB Time limit exceeded
12 Execution timed out 1063 ms 336 KB Time limit exceeded
13 Execution timed out 1038 ms 336 KB Time limit exceeded
14 Execution timed out 1059 ms 336 KB Time limit exceeded
15 Execution timed out 1030 ms 336 KB Time limit exceeded
16 Execution timed out 1059 ms 336 KB Time limit exceeded
17 Execution timed out 1039 ms 336 KB Time limit exceeded
18 Execution timed out 1041 ms 336 KB Time limit exceeded
19 Execution timed out 1052 ms 336 KB Time limit exceeded
20 Execution timed out 1058 ms 336 KB Time limit exceeded
21 Execution timed out 1056 ms 336 KB Time limit exceeded
22 Execution timed out 1059 ms 336 KB Time limit exceeded
23 Execution timed out 1043 ms 336 KB Time limit exceeded
24 Execution timed out 1054 ms 336 KB Time limit exceeded
25 Execution timed out 1060 ms 336 KB Time limit exceeded
26 Execution timed out 1047 ms 336 KB Time limit exceeded
27 Execution timed out 1050 ms 336 KB Time limit exceeded
28 Execution timed out 1067 ms 336 KB Time limit exceeded
29 Execution timed out 1059 ms 336 KB Time limit exceeded
30 Execution timed out 1038 ms 336 KB Time limit exceeded
31 Execution timed out 1037 ms 336 KB Time limit exceeded
32 Execution timed out 1059 ms 336 KB Time limit exceeded
33 Execution timed out 1058 ms 336 KB Time limit exceeded
34 Execution timed out 1063 ms 336 KB Time limit exceeded
35 Execution timed out 1055 ms 336 KB Time limit exceeded
36 Execution timed out 1067 ms 336 KB Time limit exceeded
37 Execution timed out 1033 ms 336 KB Time limit exceeded
38 Execution timed out 1058 ms 336 KB Time limit exceeded
39 Execution timed out 1034 ms 504 KB Time limit exceeded
40 Execution timed out 1047 ms 336 KB Time limit exceeded
41 Execution timed out 1029 ms 336 KB Time limit exceeded
42 Execution timed out 1057 ms 336 KB Time limit exceeded
43 Execution timed out 1059 ms 336 KB Time limit exceeded
44 Execution timed out 1034 ms 336 KB Time limit exceeded
45 Execution timed out 1056 ms 336 KB Time limit exceeded