# include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
//#define int long long
#define pii pair <int, int>
#define pb push_back
const int N = 3e5 + 5;
int t,n,a[N];
int dp[20][11][11][2][2][2];
int get(int x) {
string s = to_string(x);
memset(dp, 0, sizeof(dp));
dp[0][10][10][0][0][0] = 1;
s = "@" + s;
for (int i = 1; i < (int)s.size(); i++) {
for (int cur = 0; cur <= 9; cur++) {
for (int pr_lst = 0; pr_lst <= 10; pr_lst++) {
for (int lst = 0; lst <= 10; lst++) {
for (int less = 0; less <= 1; less++) {
for (int started = 0; started <= 1; started++) {
int new_less = 0;
if (!less && cur > (int)(s[i] - '0')) continue;
if (less || cur < (int)(s[i] - '0')) {
new_less = 1;
} else new_less = 0;
int st = (started || (cur > 0));
if ((cur != pr_lst && cur != lst) || (!started))
dp[i][lst][cur][0][new_less][st] += dp[i - 1][pr_lst][lst][0][less][started], dp[i][lst][cur][1][new_less][st] += dp[i - 1][pr_lst][lst][1][less][started];
else
dp[i][lst][cur][1][new_less][st] += (dp[i - 1][pr_lst][lst][0][less][started] + dp[i - 1][pr_lst][lst][1][less][started]);
}
}
}
}
}
}
int ans = 0;
for (int i = s.size() - 1; i < (int)s.size(); i++) {
for (int pr_lst = 0; pr_lst <= 10; pr_lst++) {
for (int lst = 0; lst <= 10; lst++) {
for (int st = 0; st <= 1; st++) {
ans += dp[i][pr_lst][lst][0][0][st];
ans += dp[i][pr_lst][lst][0][1][st];
}
}
}
}
return ans;
}
main() {
std::ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0);
int a, b;
cin>>a>>b;
cout<<get(b) - get(a - 1)<<"\n";
}
Compilation message
numbers.cpp:52:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
52 | main() {
| ^~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
332 KB |
Output isn't correct |
| 4 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 7 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 9 |
Correct |
1 ms |
328 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 16 |
Correct |
1 ms |
328 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 20 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 3 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 4 |
Incorrect |
1 ms |
324 KB |
Output isn't correct |
| 5 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 8 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 10 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 11 |
Correct |
1 ms |
328 KB |
Output is correct |
| 12 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 13 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 14 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 15 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 16 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 17 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 18 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 19 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 20 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 21 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 22 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 23 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 24 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 25 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 26 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 27 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 28 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 29 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 30 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 31 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 32 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 33 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 34 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 35 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 36 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 37 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 38 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 39 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 40 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 41 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 42 |
Incorrect |
1 ms |
328 KB |
Output isn't correct |
| 43 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 44 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 45 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
