답안 #894614

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
894614	2023-12-28T14:26:49 Z	IWKR	Palindrome-Free Numbers (BOI13_numbers)	C++17	100 / 100	2 ms	604 KB

numbers

#include <bits/stdc++.h>
using namespace std;

#define int long long

int dp[20][10][10][2][2][2];

int cal(int len, int l, int ll, bool bound, bool zero1, bool zero2, string target) {
    if (len == target.size()) {
        return 1;
    }
    if (dp[len][l][ll][bound][zero1][zero2] != -1) {
        return dp[len][l][ll][bound][zero1][zero2];
    }
    int ans = 0;
    for (int i = 0; i <= 9; i++) {
        if ((!zero1 && i == l) || (!zero2 && i == ll)) {
            continue;
        } else {
            if (bound && i > target[len] - '0') {
                break;
            }
            ans += cal(len + 1, i, l, bound && (i == target[len] - '0'), i == 0 && zero1, zero1, target);
        }
    }
    dp[len][l][ll][bound][zero1][zero2] = ans;
    return ans;
}

int32_t main() {
    int a, b;
    cin >> a >> b;
    string s = to_string(a - 1);
    string t = to_string(b);
    memset(dp, -1, sizeof dp);
    int ans = cal(0, 0, 0, true, true, true, t);
    memset(dp, -1, sizeof dp);
    cout << ans - cal(0, 0, 0, true, true, true, s);
}

Compilation message

numbers.cpp: In function 'long long int cal(long long int, long long int, long long int, bool, bool, bool, std::string)':
numbers.cpp:9:13: 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]
    9 |     if (len == target.size()) {
      |         ~~~~^~~~~~~~~~~~~~~~

Subtask #1

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	444 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct

Subtask #2

75.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	1 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	1 ms	344 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	1 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	1 ms	344 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	1 ms	348 KB	Output is correct
27	Correct	1 ms	348 KB	Output is correct
28	Correct	1 ms	348 KB	Output is correct
29	Correct	1 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	2 ms	604 KB	Output is correct
33	Correct	1 ms	348 KB	Output is correct
34	Correct	1 ms	564 KB	Output is correct
35	Correct	1 ms	344 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	1 ms	348 KB	Output is correct
38	Correct	1 ms	348 KB	Output is correct
39	Correct	1 ms	344 KB	Output is correct
40	Correct	1 ms	348 KB	Output is correct
41	Correct	1 ms	348 KB	Output is correct
42	Correct	1 ms	348 KB	Output is correct
43	Correct	1 ms	344 KB	Output is correct
44	Correct	1 ms	348 KB	Output is correct
45	Correct	1 ms	440 KB	Output is correct