답안 #132841

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
132841	2019-07-19T18:05:06 Z	muradeyn	Palindrome-Free Numbers (BOI13_numbers)	C++14	72.5 / 100	3 ms	504 KB

numbers

/* Murad Eynizade */

#include <bits/stdc++.h>
#define intt long long
#define fyck ios_base::sync_with_stdio(0);cin.tie(0);
#define F first
#define S second
//#define endl '\n'

using namespace std;

int len;

intt a , b;

intt dp[20][11][11][2];

string s;

intt solve(int i,int d1,int d2,int f) {
    if (dp[i][d1][d2][f] != -1)return dp[i][d1][d2][f];
    if (i == len) return dp[i][d1][d2][f] = f;
    intt ret = 0;
    int til;
    if (f) {
        til = 10;
        til -= (d2 != 10);
    }
    else til = s[i] - '0';
    for (int in = 0;in<=til;in++) {
        if ((d1 != 10 && in == d1) || (d2 != 10 && in == d2) )continue;
        int nf = f;
        nf |= (in < s[i] - '0');
        nf |= (in == 10);
        ret += solve(i + 1 , d2 , in , nf);
    }
    return dp[i][d1][d2][f] = ret;
}

intt get(intt x) {
    if (x == -1)return 0;
    memset(dp , -1 , sizeof(dp));
    s = "";
    len = 0;
    while (x) {
        s += x % 10 + '0';
        x /= 10;
        len++;
    }
    reverse(s.begin(),s.end());
    return solve(0 , 10 , 10 , 0);
}

int main() {
    fyck
    cin>>a>>b;
    cout<<get(b + 1) - get(a)<<endl;
}

Subtask #1

12.5 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	2 ms	376 KB	Output isn't correct
2	Incorrect	2 ms	376 KB	Output isn't correct
3	Correct	2 ms	376 KB	Output is correct
4	Incorrect	2 ms	376 KB	Output isn't correct
5	Incorrect	2 ms	376 KB	Output isn't correct
6	Incorrect	2 ms	376 KB	Output isn't correct
7	Incorrect	2 ms	376 KB	Output isn't correct
8	Incorrect	2 ms	376 KB	Output isn't correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Incorrect	2 ms	504 KB	Output isn't correct
15	Incorrect	2 ms	376 KB	Output isn't correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	2 ms	384 KB	Output is correct
20	Incorrect	2 ms	380 KB	Output isn't correct

Subtask #2

60.0 / 75.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Incorrect	2 ms	376 KB	Output isn't correct
6	Correct	2 ms	376 KB	Output is correct
7	Incorrect	2 ms	376 KB	Output isn't correct
8	Incorrect	2 ms	376 KB	Output isn't correct
9	Incorrect	2 ms	376 KB	Output isn't correct
10	Incorrect	2 ms	376 KB	Output isn't correct
11	Correct	2 ms	376 KB	Output is correct
12	Incorrect	2 ms	376 KB	Output isn't correct
13	Incorrect	3 ms	376 KB	Output isn't correct
14	Incorrect	3 ms	376 KB	Output isn't correct
15	Incorrect	3 ms	376 KB	Output isn't correct
16	Correct	2 ms	376 KB	Output is correct
17	Correct	3 ms	376 KB	Output is correct
18	Correct	2 ms	376 KB	Output is correct
19	Correct	3 ms	376 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	376 KB	Output is correct
28	Correct	2 ms	376 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	2 ms	376 KB	Output is correct
31	Correct	2 ms	376 KB	Output is correct
32	Correct	2 ms	504 KB	Output is correct
33	Correct	2 ms	376 KB	Output is correct
34	Correct	2 ms	376 KB	Output is correct
35	Correct	2 ms	376 KB	Output is correct
36	Correct	2 ms	380 KB	Output is correct
37	Correct	2 ms	376 KB	Output is correct
38	Correct	2 ms	376 KB	Output is correct
39	Correct	2 ms	376 KB	Output is correct
40	Correct	2 ms	376 KB	Output is correct
41	Correct	2 ms	376 KB	Output is correct
42	Correct	2 ms	376 KB	Output is correct
43	Correct	2 ms	376 KB	Output is correct
44	Correct	2 ms	376 KB	Output is correct
45	Correct	2 ms	376 KB	Output is correct