#include <bits/stdc++.h>
#define pb push_back
#define s second
#define f first
#define ll unsigned long long
#define int ll
using namespace std;
string str;
int dp[15][15][25][5];
int get(int last2,int last,int len,int sm){
if (len >= str.size()) return 1;
if (dp[last2][last][len][sm] != -1)
return dp[last2][last][len][sm];
int l = str[len] - '0',sum = 0;
if (sm){
for (int i = 0; i <= 9; i++){
if (i != last && i != last2)
sum += get(last,i,len + 1,1);
}
}
else{
for (int i = 0; i < l; i++){
if (i != last && i != last2)
sum += get(last,i,len + 1,1);
}
if (l != last && l != last2)
sum += get(last,l,len + 1,0);
}
return dp[last2][last][len][sm] = sum;
}
int G(int x){
if (x < 0) return 0;
memset(dp, -1, sizeof(dp));
str = "";
while(x > 0){
str+=char((x%10)+'0');
x/=10;
}
reverse(str.begin(),str.end());
int l = str[0] - '0',ans = 1;
for (int i = 1; i < l; i++)
ans += get(i,i,1,1);
ans += get(l,l,1,0);
for (int i = 2; i <= str.size(); i++)
for (int j=1;j<=9;j++)
ans += get(j,j,i,1);
return ans;
}
signed main (){
ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
ll a,b;
cin>>a>>b;
cout<<G(b) - G(a - 1)<<"\n";
}
Compilation message
numbers.cpp: In function 'long long unsigned int get(long long unsigned int, long long unsigned int, long long unsigned int, long long unsigned int)':
numbers.cpp:14:34: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
14 | if (dp[last2][last][len][sm] != -1)
| ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
460 KB |
Output is correct |
| 2 |
Correct |
0 ms |
460 KB |
Output is correct |
| 3 |
Correct |
1 ms |
460 KB |
Output is correct |
| 4 |
Incorrect |
0 ms |
460 KB |
Output isn't correct |
| 5 |
Execution timed out |
1089 ms |
460 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1044 ms |
460 KB |
Time limit exceeded |
| 7 |
Correct |
1 ms |
588 KB |
Output is correct |
| 8 |
Correct |
0 ms |
460 KB |
Output is correct |
| 9 |
Correct |
0 ms |
460 KB |
Output is correct |
| 10 |
Correct |
0 ms |
460 KB |
Output is correct |
| 11 |
Correct |
0 ms |
460 KB |
Output is correct |
| 12 |
Correct |
0 ms |
460 KB |
Output is correct |
| 13 |
Correct |
0 ms |
460 KB |
Output is correct |
| 14 |
Incorrect |
1 ms |
460 KB |
Output isn't correct |
| 15 |
Execution timed out |
1087 ms |
460 KB |
Time limit exceeded |
| 16 |
Correct |
0 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
460 KB |
Output is correct |
| 18 |
Execution timed out |
1094 ms |
460 KB |
Time limit exceeded |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
0 ms |
460 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
460 KB |
Output is correct |
| 2 |
Correct |
0 ms |
460 KB |
Output is correct |
| 3 |
Correct |
0 ms |
460 KB |
Output is correct |
| 4 |
Correct |
0 ms |
460 KB |
Output is correct |
| 5 |
Correct |
0 ms |
460 KB |
Output is correct |
| 6 |
Correct |
0 ms |
460 KB |
Output is correct |
| 7 |
Correct |
1 ms |
460 KB |
Output is correct |
| 8 |
Correct |
1 ms |
460 KB |
Output is correct |
| 9 |
Correct |
0 ms |
460 KB |
Output is correct |
| 10 |
Correct |
0 ms |
460 KB |
Output is correct |
| 11 |
Correct |
0 ms |
460 KB |
Output is correct |
| 12 |
Correct |
1 ms |
460 KB |
Output is correct |
| 13 |
Correct |
0 ms |
460 KB |
Output is correct |
| 14 |
Correct |
0 ms |
460 KB |
Output is correct |
| 15 |
Correct |
1 ms |
460 KB |
Output is correct |
| 16 |
Correct |
1 ms |
460 KB |
Output is correct |
| 17 |
Correct |
1 ms |
460 KB |
Output is correct |
| 18 |
Correct |
1 ms |
460 KB |
Output is correct |
| 19 |
Correct |
1 ms |
460 KB |
Output is correct |
| 20 |
Correct |
0 ms |
460 KB |
Output is correct |
| 21 |
Correct |
0 ms |
460 KB |
Output is correct |
| 22 |
Correct |
1 ms |
460 KB |
Output is correct |
| 23 |
Correct |
1 ms |
460 KB |
Output is correct |
| 24 |
Correct |
1 ms |
460 KB |
Output is correct |
| 25 |
Correct |
1 ms |
460 KB |
Output is correct |
| 26 |
Correct |
1 ms |
460 KB |
Output is correct |
| 27 |
Correct |
1 ms |
460 KB |
Output is correct |
| 28 |
Correct |
1 ms |
460 KB |
Output is correct |
| 29 |
Correct |
1 ms |
460 KB |
Output is correct |
| 30 |
Correct |
0 ms |
460 KB |
Output is correct |
| 31 |
Correct |
1 ms |
460 KB |
Output is correct |
| 32 |
Correct |
1 ms |
460 KB |
Output is correct |
| 33 |
Correct |
1 ms |
460 KB |
Output is correct |
| 34 |
Correct |
1 ms |
460 KB |
Output is correct |
| 35 |
Correct |
0 ms |
460 KB |
Output is correct |
| 36 |
Correct |
1 ms |
460 KB |
Output is correct |
| 37 |
Correct |
1 ms |
460 KB |
Output is correct |
| 38 |
Correct |
1 ms |
460 KB |
Output is correct |
| 39 |
Correct |
0 ms |
460 KB |
Output is correct |
| 40 |
Correct |
1 ms |
460 KB |
Output is correct |
| 41 |
Correct |
1 ms |
460 KB |
Output is correct |
| 42 |
Correct |
0 ms |
460 KB |
Output is correct |
| 43 |
Correct |
1 ms |
516 KB |
Output is correct |
| 44 |
Correct |
1 ms |
460 KB |
Output is correct |
| 45 |
Correct |
1 ms |
460 KB |
Output is correct |
