Submission #448447

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
448447	2021-07-30T07:53:31 Z	fuad27	Palindrome-Free Numbers (BOI13_numbers)	C++14	36.6667 / 100	1000 ms	328 KB

numbers

#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
bool check(string s) {
	if(s.length() >= 2 and s[0] == s[1])return false;
	for(int i = 2;i<s.length();i++) {
		if(s[i] == s[i-2] or s[i] == s[i-1])return false;
	}
	return true;
}
int main () {
	long long a, b, c = 0;
	cin >> a >> b;
	for(long long i = a;i<=b;i++) {
		string s = to_string(i);
		if(check(s))c++;
	}
	cout<<c;
}

Compilation message

numbers.cpp: In function 'bool check(std::string)':
numbers.cpp:7:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |  for(int i = 2;i<s.length();i++) {
      |                ~^~~~~~~~~~~

Subtask #1

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	18 ms	288 KB	Output is correct
4	Correct	5 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	5 ms	204 KB	Output is correct
15	Correct	5 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	2 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	20 ms	204 KB	Output is correct
20	Correct	5 ms	204 KB	Output is correct

Subtask #2

11.6666666667 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	465 ms	324 KB	Output is correct
2	Execution timed out	1081 ms	204 KB	Time limit exceeded
3	Execution timed out	1087 ms	204 KB	Time limit exceeded
4	Execution timed out	1043 ms	328 KB	Time limit exceeded
5	Execution timed out	1096 ms	204 KB	Time limit exceeded
6	Execution timed out	1094 ms	204 KB	Time limit exceeded
7	Correct	181 ms	324 KB	Output is correct
8	Correct	129 ms	204 KB	Output is correct
9	Correct	234 ms	324 KB	Output is correct
10	Correct	323 ms	272 KB	Output is correct
11	Correct	466 ms	204 KB	Output is correct
12	Execution timed out	1090 ms	204 KB	Time limit exceeded
13	Correct	508 ms	204 KB	Output is correct
14	Execution timed out	1090 ms	204 KB	Time limit exceeded
15	Execution timed out	1088 ms	204 KB	Time limit exceeded
16	Execution timed out	1088 ms	204 KB	Time limit exceeded
17	Execution timed out	1086 ms	204 KB	Time limit exceeded
18	Execution timed out	1085 ms	204 KB	Time limit exceeded
19	Execution timed out	1092 ms	204 KB	Time limit exceeded
20	Execution timed out	1090 ms	204 KB	Time limit exceeded
21	Execution timed out	1089 ms	204 KB	Time limit exceeded
22	Execution timed out	1088 ms	204 KB	Time limit exceeded
23	Execution timed out	1095 ms	204 KB	Time limit exceeded
24	Execution timed out	1096 ms	204 KB	Time limit exceeded
25	Execution timed out	1096 ms	204 KB	Time limit exceeded
26	Execution timed out	1085 ms	204 KB	Time limit exceeded
27	Execution timed out	1091 ms	204 KB	Time limit exceeded
28	Execution timed out	1097 ms	204 KB	Time limit exceeded
29	Execution timed out	1094 ms	204 KB	Time limit exceeded
30	Execution timed out	1086 ms	204 KB	Time limit exceeded
31	Execution timed out	1088 ms	204 KB	Time limit exceeded
32	Execution timed out	1087 ms	204 KB	Time limit exceeded
33	Execution timed out	1089 ms	204 KB	Time limit exceeded
34	Execution timed out	1084 ms	204 KB	Time limit exceeded
35	Execution timed out	1082 ms	204 KB	Time limit exceeded
36	Execution timed out	1089 ms	204 KB	Time limit exceeded
37	Execution timed out	1090 ms	204 KB	Time limit exceeded
38	Execution timed out	1094 ms	204 KB	Time limit exceeded
39	Execution timed out	1086 ms	204 KB	Time limit exceeded
40	Execution timed out	1091 ms	204 KB	Time limit exceeded
41	Execution timed out	1059 ms	204 KB	Time limit exceeded
42	Execution timed out	1087 ms	204 KB	Time limit exceeded
43	Execution timed out	1085 ms	204 KB	Time limit exceeded
44	Execution timed out	1088 ms	204 KB	Time limit exceeded
45	Execution timed out	1084 ms	204 KB	Time limit exceeded