//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("bmi,bmi2,lzcnt,popcnt")
//#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
//#pragma expected_value
//#pragma isolated_call
//#pragma disjoint
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;
using namespace std;
#define int long long
//#define double long double
#define Fi first
#define Se second
#define Rep(i,a,b) for (int i=a;i<=b;++i)
#define Repu(i,b,a) for (int i=b;i>=a;--i)
#define pb push_back
#define ms(a,i) memset(a,i,sizeof(a))
#define sz size()
#define mp make_pair
#define endl '\n'
#define sef setprecision(6)<<fixed
#define cer cout<<"cak"<<endl;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<double> va;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef vector<va> vva;
//const double EPS=1e-9;
const double PI=acos(-1);
const long long oo=1e18;
const int MN=2e5+5;
const int mod=1e9+7;
using cd=complex<double>;
//typedef tree<int,null_type,less<int>,rb_tree_tag, tree_order_statistics_node_update> index_set;
int l,r;
string chuyenhoa(int x) {
string s="";
while(x>0) {
s = char(x%10+'0') + s;
x/=10;
}
s='0'+s;
return s;
}
int dp[25][10][10][10][2];
int solve(string s) {
Rep(i,0,s.sz-1) Rep(j,0,9) Rep(k,0,9) Rep(t,0,9) dp[i][j][k][t][0] = dp[i][j][k][t][1] = 0;
dp[0][0][0][0][1] = 1;
Rep(i,1,1) Rep(p1,0,9) Rep(p2,0,9)
{
Rep(digit,0,9)
{
Rep(chon,0,9) dp[i][digit][p1][p2][0] += dp[i-1][p1][p2][chon][0];
}
Rep(chon,0,9) dp[i][s[i]-'0'][p1][p2][1] += dp[i-1][p1][p2][chon][1];
Rep(digit,0,9) if(digit < s[i]-'0')
{
Rep(chon,0,9) dp[i][digit][p1][p2][0] += dp[i-1][p1][p2][chon][1];
}
}
Rep(i,2,2) Rep(p1,0,9) Rep(p2,0,9)
{
Rep(digit,0,9) if(digit!=p1)
{
Rep(chon,0,9) dp[i][digit][p1][p2][0] += dp[i-1][p1][p2][chon][0];
}
if(s[i]-'0' != p1) {
Rep(chon,0,9) dp[i][s[i]-'0'][p1][p2][1] += dp[i-1][p1][p2][chon][1];
}
Rep(digit,0,9) if(digit!=p1 and digit < s[i]-'0')
{
Rep(chon,0,9) dp[i][digit][p1][p2][0] += dp[i-1][p1][p2][chon][1];
}
}
Rep(i,3,s.sz-1) Rep(p1,0,9) Rep(p2,0,9)
{
Rep(digit,0,9) if(digit!=p1 and digit!=p2)
{
Rep(chon,0,9) dp[i][digit][p1][p2][0] += dp[i-1][p1][p2][chon][0];
}
if(s[i]-'0' != p1 and s[i]-'0' != p2) {
Rep(chon,0,9) dp[i][s[i]-'0'][p1][p2][1] += dp[i-1][p1][p2][chon][1];
}
Rep(digit,0,9) if(digit!=p1 and digit!=p2 and digit < s[i]-'0')
{
Rep(chon,0,9) dp[i][digit][p1][p2][0] += dp[i-1][p1][p2][chon][1];
}
}
int ans = 0;
Rep(p1,0,9) Rep(p2,0,9) Rep(p3,0,9) if(p1!=p2 and p1!=p3)
{
ans += dp[s.sz-1][p1][p2][p3][0] + dp[s.sz-1][p1][p2][p3][1];
}
return ans;
}
signed main() {
//freopen(".inp","r",stdin); freopen(".out","w",stdout);
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>l>>r;
if(l==0 and r==0) {
cout<<1;
return 0;
}
if(r<=9) {
cout<<r-l+1;
return 0;
}
if(l==0) {
cout<<solve(chuyenhoa(r))+1;
return 0;
}
cout<<solve(chuyenhoa(r))-solve(chuyenhoa(l-1));
}
Compilation message
numbers.cpp: In function 'long long int solve(std::string)':
numbers.cpp:18:34: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | #define Rep(i,a,b) for (int i=a;i<=b;++i)
......
60 | Rep(i,0,s.sz-1) Rep(j,0,9) Rep(k,0,9) Rep(t,0,9) dp[i][j][k][t][0] = dp[i][j][k][t][1] = 0;
| ~~~~~~~~~~
numbers.cpp:60:2: note: in expansion of macro 'Rep'
60 | Rep(i,0,s.sz-1) Rep(j,0,9) Rep(k,0,9) Rep(t,0,9) dp[i][j][k][t][0] = dp[i][j][k][t][1] = 0;
| ^~~
numbers.cpp:18:34: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
18 | #define Rep(i,a,b) for (int i=a;i<=b;++i)
......
97 | Rep(i,3,s.sz-1) Rep(p1,0,9) Rep(p2,0,9)
| ~~~~~~~~~~
numbers.cpp:97:2: note: in expansion of macro 'Rep'
97 | Rep(i,3,s.sz-1) Rep(p1,0,9) Rep(p2,0,9)
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
596 KB |
Execution killed with signal 11 |
| 2 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
| 3 |
Correct |
1 ms |
476 KB |
Output is correct |
| 4 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 5 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
| 6 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
| 7 |
Runtime error |
1 ms |
596 KB |
Execution killed with signal 11 |
| 8 |
Runtime error |
1 ms |
468 KB |
Execution killed with signal 11 |
| 9 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
0 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| 14 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 15 |
Runtime error |
1 ms |
596 KB |
Execution killed with signal 11 |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
0 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
468 KB |
Output is correct |
| 2 |
Correct |
1 ms |
596 KB |
Output is correct |
| 3 |
Correct |
1 ms |
596 KB |
Output is correct |
| 4 |
Correct |
1 ms |
596 KB |
Output is correct |
| 5 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 6 |
Correct |
1 ms |
468 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 |
468 KB |
Output is correct |
| 12 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 13 |
Incorrect |
0 ms |
340 KB |
Output isn't correct |
| 14 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 15 |
Incorrect |
1 ms |
468 KB |
Output isn't correct |
| 16 |
Correct |
1 ms |
596 KB |
Output is correct |
| 17 |
Correct |
1 ms |
596 KB |
Output is correct |
| 18 |
Correct |
1 ms |
596 KB |
Output is correct |
| 19 |
Correct |
1 ms |
596 KB |
Output is correct |
| 20 |
Correct |
1 ms |
596 KB |
Output is correct |
| 21 |
Correct |
1 ms |
596 KB |
Output is correct |
| 22 |
Correct |
1 ms |
468 KB |
Output is correct |
| 23 |
Correct |
1 ms |
596 KB |
Output is correct |
| 24 |
Correct |
1 ms |
596 KB |
Output is correct |
| 25 |
Correct |
1 ms |
596 KB |
Output is correct |
| 26 |
Correct |
1 ms |
596 KB |
Output is correct |
| 27 |
Correct |
1 ms |
596 KB |
Output is correct |
| 28 |
Correct |
1 ms |
556 KB |
Output is correct |
| 29 |
Correct |
1 ms |
596 KB |
Output is correct |
| 30 |
Correct |
1 ms |
596 KB |
Output is correct |
| 31 |
Correct |
1 ms |
596 KB |
Output is correct |
| 32 |
Correct |
1 ms |
596 KB |
Output is correct |
| 33 |
Correct |
1 ms |
468 KB |
Output is correct |
| 34 |
Correct |
1 ms |
596 KB |
Output is correct |
| 35 |
Correct |
1 ms |
596 KB |
Output is correct |
| 36 |
Correct |
1 ms |
596 KB |
Output is correct |
| 37 |
Correct |
1 ms |
468 KB |
Output is correct |
| 38 |
Correct |
1 ms |
596 KB |
Output is correct |
| 39 |
Correct |
1 ms |
596 KB |
Output is correct |
| 40 |
Correct |
1 ms |
596 KB |
Output is correct |
| 41 |
Correct |
1 ms |
596 KB |
Output is correct |
| 42 |
Correct |
1 ms |
596 KB |
Output is correct |
| 43 |
Correct |
1 ms |
596 KB |
Output is correct |
| 44 |
Correct |
1 ms |
596 KB |
Output is correct |
| 45 |
Correct |
1 ms |
596 KB |
Output is correct |
