답안 #467430

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
467430	2021-08-22T22:35:44 Z	Leonardo_Paes	Palindrome-Free Numbers (BOI13_numbers)	C++17	72.5 / 100	1 ms	332 KB

numbers

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

vector<int> d;
ll dp[20][2][11][11];

ll solve(int pos, bool flag, int l1, int l2){
	if(pos == d.size()) return 1;
	if(dp[pos][flag][l1][l2] != -1) return dp[pos][flag][l1][l2];
	ll tot = 0;
	if(flag){
		for(int i=0; i<10; i++){
			if(i == l1 or i == l2) continue;
			tot += solve(pos+1, flag, l2, i);
		}
	}
	else{
		for(int i=0; i<=d[pos]; i++){
			if(i == l1 or i == l2) continue;
			tot += solve(pos+1, i == d[pos] ? 0 : 1, l2, i);
		}
	}
	return dp[pos][flag][l1][l2] = tot;
}

ll calc(ll x){
	d.clear();
	while(x){
		d.push_back(x%10);
		x /= 10;
	}
	reverse(d.begin(), d.end());
	memset(dp, -1, sizeof dp);
	return solve(0, 0, 10, 10);
}

int main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	ll a, b;
	cin >> a >> b;
	cout << calc(b) - calc(a-1) << "\n";
	return 0;
}

Compilation message

numbers.cpp: In function 'll solve(int, bool, int, int)':
numbers.cpp:9:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  if(pos == d.size()) return 1;
      |     ~~~~^~~~~~~~~~~

Subtask #1

12.5 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	332 KB	Output isn't correct
2	Incorrect	1 ms	332 KB	Output isn't correct
3	Correct	1 ms	320 KB	Output is correct
4	Incorrect	1 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	316 KB	Output isn't correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	0 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	0 ms	332 KB	Output is correct
14	Incorrect	0 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	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	316 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	1 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	0 ms	332 KB	Output isn't correct
11	Correct	1 ms	332 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	324 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	332 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	332 KB	Output is correct
41	Correct	1 ms	332 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