답안 #490734

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
490734	2021-11-29T02:41:51 Z	tht2005	Palindrome-Free Numbers (BOI13_numbers)	C++14	72.5 / 100	1 ms	396 KB

numbers

#include <bits/stdc++.h>
using namespace std;
 
typedef unsigned long long ll;
 
ll memo[19][11][11][2][2];
 
ll dp(const string& s, int i, int p1, int p2, int tight, int lz)
{
	if(i == s.size()) return 1;
	ll& res = memo[i][p1][p2][tight][lz];
	if(~res) return res;
	res = 0;
	if(tight) {
		if(lz) {
			res += dp(s, i + 1, 10, 10, 1, 1);
			for(int c = 1; c < 10; ++c) res += dp(s, i + 1, 10, c, 1, 0);
		}
		else {
			for(int c = 0; c < 10; ++c) {
				if(c ^ p1 && c ^ p2) {
					res += dp(s, i + 1, p2, c, 1, 0);
				}
			}
		}
	}
	else {
		for(int c = 0; c + 48 < s[i]; ++c) {
			if(c ^ p1 && c ^ p2) {
				res += dp(s, i + 1, p2, c, 1, 0);
			}
		}
		if(s[i] ^ (p1 + 48) && s[i] ^ (p2 + 48)) res += dp(s, i + 1, p2, s[i] - 48, 0, 0);
	}
	return res;
}
 
ll calc(ll i)
{
	string s = to_string(i);
	memset(memo, -1, sizeof(memo));
	return dp(s, 0, 10, 10, 0, 1); 
}
 
int main()
{
	ios::sync_with_stdio(false); cin.tie(NULL);
	ll l, r; cin >> l >> r;
	cout << calc(r) - (l ? calc(l - 1) : 0);
	return 0;
}

Compilation message

numbers.cpp: In function 'll dp(const string&, int, int, int, int, int)':
numbers.cpp:10:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  if(i == s.size()) return 1;
      |     ~~^~~~~~~~~~~

Subtask #1

12.5 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	0 ms	332 KB	Output isn't correct
2	Incorrect	1 ms	332 KB	Output isn't correct
3	Correct	1 ms	332 KB	Output is correct
4	Incorrect	0 ms	332 KB	Output isn't correct
5	Incorrect	1 ms	332 KB	Output isn't correct
6	Incorrect	1 ms	332 KB	Output isn't correct
7	Incorrect	1 ms	332 KB	Output isn't correct
8	Incorrect	0 ms	332 KB	Output isn't correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Incorrect	1 ms	332 KB	Output isn't correct
15	Incorrect	1 ms	332 KB	Output isn't correct
16	Correct	1 ms	312 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	0 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Incorrect	1 ms	332 KB	Output isn't correct

Subtask #2

60.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Incorrect	1 ms	332 KB	Output isn't correct
6	Correct	1 ms	332 KB	Output is correct
7	Incorrect	0 ms	332 KB	Output isn't correct
8	Incorrect	1 ms	332 KB	Output isn't correct
9	Incorrect	1 ms	332 KB	Output isn't correct
10	Incorrect	1 ms	332 KB	Output isn't correct
11	Correct	1 ms	312 KB	Output is correct
12	Incorrect	1 ms	332 KB	Output isn't correct
13	Incorrect	1 ms	332 KB	Output isn't correct
14	Incorrect	1 ms	332 KB	Output isn't correct
15	Incorrect	1 ms	332 KB	Output isn't correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	320 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	1 ms	332 KB	Output is correct
29	Correct	1 ms	332 KB	Output is correct
30	Correct	1 ms	332 KB	Output is correct
31	Correct	1 ms	324 KB	Output is correct
32	Correct	1 ms	332 KB	Output is correct
33	Correct	1 ms	332 KB	Output is correct
34	Correct	1 ms	332 KB	Output is correct
35	Correct	1 ms	332 KB	Output is correct
36	Correct	1 ms	332 KB	Output is correct
37	Correct	1 ms	332 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	1 ms	332 KB	Output is correct
40	Correct	1 ms	396 KB	Output is correct
41	Correct	1 ms	316 KB	Output is correct
42	Correct	1 ms	332 KB	Output is correct
43	Correct	1 ms	332 KB	Output is correct
44	Correct	1 ms	332 KB	Output is correct
45	Correct	1 ms	332 KB	Output is correct