oj.uz

답안 #1008157

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1008157 2024-06-26T08:02:50 Z ezzzay Palindrome-Free Numbers (BOI13_numbers) C++14
80 / 100
 1 ms 604 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define ss second
#define pb push_back
int find(int n){
    if(n<=0)return n;
    string s= to_string(n);
    
    int N=s.size();
    int dp[20][10][10][2];
    for(int i=0;i<20;i++){
        for(int j=0;j<10;j++){
            for(int p=0;p<10;p++){
                for(int z=0;z<2;z++)dp[i][j][p][z]=0;
            }
            
        }
    }
    
    for(int i=1;i<10;i++){
        for(int j=0;j<10;j++){
            if(i>s[0]-'0')break;
            if(i==j)continue;
            if(i==s[0]-'0' and j==s[1]-'0'){
                dp[1][i][j][1]+=1;
                break;
            }
            dp[1][i][j][0]++;
        }
    }
    for(int i=2;i<N;i++){
        for(int j=0;j<10;j++){
            for(int p=0;p<10;p++){
                for(int k=0;k<10;k++){
                    for(int z=0;z<2;z++){
                       if(z==1 and k> s[i]-'0')continue;
                       if(k!=p and j!=k)dp[i][p][k][z and (s[i]-'0'==k)]+=dp[i-1][j][p][z];
                    }
                }
            }
        }
    }
    int ans=0;
    for(int i=0;i<10;i++){
        for(int j=0;j<10;j++){
            for(int z=0;z<2;z++){
                ans+=dp[N-1][i][j][z];
            }
        }
    }
    
    return ans;
    
}
int fun(int n){
    int k=0;
    int g= to_string(n).size();
    while(n>0){
        k+=find(n);
        //cout<<n<<" "<<endl;
        g--;
        n=0;
        for(int i=0;i<g;i++){
            n*=10;
            n+=9;
        }
    }
    return k;
}
signed main(){
    int a,b;
    cin>>a>>b;
    
    cout<<fun(b)-fun(a-1);
}

Subtask #1
10.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 KB Output isn't correct
2 Incorrect 0 ms 344 KB Output isn't correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Incorrect 0 ms 348 KB Output isn't correct
7 Incorrect 0 ms 348 KB Output isn't correct
8 Incorrect 0 ms 600 KB Output isn't correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Incorrect 0 ms 436 KB Output isn't correct
14 Incorrect 0 ms 348 KB Output isn't correct
15 Incorrect 0 ms 404 KB Output isn't correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Incorrect 0 ms 348 KB Output isn't correct
19 Correct 1 ms 348 KB Output is correct
20 Incorrect 0 ms 344 KB Output isn't correct

Subtask #2
70.0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 604 KB Output is correct
2 Correct 0 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 1 ms 436 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 1 ms 348 KB Output isn't correct
8 Incorrect 0 ms 348 KB Output isn't 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 Incorrect 0 ms 348 KB Output isn't correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 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 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 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 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 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 472 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 0 ms 348 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 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct