///huynhocute123///
#include<bits/stdc++.h>
using namespace std;
#define S second
#define F first
#define pii pair<int,int>
#define piii pair<int,pair<int,int>>
#define pb push_back
#define pi M_PI
#define FOR(i, a, b) for(int i = a; i <= b; ++i)
#define REP(i, a, b) for(int i = b; i >= a; --i)
#define ALL(v) v.begin(),v.end()
#define inp(name) if(fopen(name, "r")) freopen(name, "r", stdin);
#define out(name) if(fopen(name, "w")) freopen(name, "w", stdout);
//random_device rd;
//mt19937 rng(rd());
//#pragma GCC optimize ("O3")
//#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("popcnt")
#define int long long
const int maxN = 1e5 ;
const int modd = 1e9 + 7;
const int base = 2309;
const int MAX = 1e9+9;
void minimize(int &u, int v){
if(v < u) u = v;
}
void maximize(int &u, int v){
if(v > u) u = v;
}
int n, k, t, m, res, a[maxN];
long long dp[20][3][12][12][3];
long long l, r;
bool vis[maxN];
vector<int> e[maxN];
void pre(long long val){
n =0;
while(val){
a[++n] = val%10;
val /=10;
}
reverse(a+1, a+1 +n);
}
long long calc(int id ,int tight, int prev1, int prev2, int ok){
if(id > n)return 1;
if(dp[id][tight][prev1][prev2][ok] != -1)return dp[id][tight][prev1][prev2][ok];
long long ans =0;
int lim= (tight == 0 ? 9 : a[id]);
FOR(i, 0 ,lim){
int Ntight = (i < lim ? 0 : tight);
if(i == prev1 || i == prev2 )continue;
int Nok = ok| (i > 0);
int P1 = prev2;
int P2= i;
if(!Nok)ans += calc(id +1 ,0, 10 , 10, 0 );
else ans += calc(id +1, Ntight , P1, P2,Nok);
}
return dp[id][tight][prev1][prev2][ok] = ans;
}
long long get(long long val){
pre(val);
memset(dp, -1 ,sizeof(dp));
return calc(1, 1, 10, 10, 0 );
}
void solve(){
cin >> l >> r;
cout << get(r) - get(l -1);
}
signed main(){
// freopen("name.inp","r",stdin);
// freopen("name.out","w",stdout);
ios_base::sync_with_stdio(false);
cin.tie(0);
inp("task.inp");
t = 1;
// cin >> t;
while( t-- )solve();
}
Compilation message
numbers.cpp: In function 'int main()':
numbers.cpp:13:47: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | #define inp(name) if(fopen(name, "r")) freopen(name, "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~
numbers.cpp:76:5: note: in expansion of macro 'inp'
76 | inp("task.inp");
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2904 KB |
Output is correct |
2 |
Correct |
2 ms |
2908 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
2 ms |
2908 KB |
Output is correct |
5 |
Correct |
1 ms |
2892 KB |
Output is correct |
6 |
Correct |
1 ms |
2908 KB |
Output is correct |
7 |
Correct |
1 ms |
2908 KB |
Output is correct |
8 |
Correct |
2 ms |
2908 KB |
Output is correct |
9 |
Correct |
1 ms |
2908 KB |
Output is correct |
10 |
Correct |
2 ms |
2908 KB |
Output is correct |
11 |
Correct |
1 ms |
2908 KB |
Output is correct |
12 |
Correct |
1 ms |
2908 KB |
Output is correct |
13 |
Correct |
1 ms |
2908 KB |
Output is correct |
14 |
Correct |
1 ms |
3016 KB |
Output is correct |
15 |
Correct |
2 ms |
2908 KB |
Output is correct |
16 |
Correct |
1 ms |
2908 KB |
Output is correct |
17 |
Correct |
1 ms |
2908 KB |
Output is correct |
18 |
Correct |
1 ms |
2908 KB |
Output is correct |
19 |
Correct |
2 ms |
2908 KB |
Output is correct |
20 |
Correct |
1 ms |
2908 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
2908 KB |
Output is correct |
2 |
Correct |
2 ms |
2908 KB |
Output is correct |
3 |
Correct |
2 ms |
2908 KB |
Output is correct |
4 |
Correct |
1 ms |
2908 KB |
Output is correct |
5 |
Correct |
1 ms |
2908 KB |
Output is correct |
6 |
Correct |
1 ms |
2908 KB |
Output is correct |
7 |
Correct |
1 ms |
2908 KB |
Output is correct |
8 |
Correct |
2 ms |
2908 KB |
Output is correct |
9 |
Correct |
2 ms |
2908 KB |
Output is correct |
10 |
Correct |
2 ms |
2908 KB |
Output is correct |
11 |
Correct |
2 ms |
2908 KB |
Output is correct |
12 |
Correct |
3 ms |
2904 KB |
Output is correct |
13 |
Correct |
1 ms |
2908 KB |
Output is correct |
14 |
Correct |
1 ms |
2908 KB |
Output is correct |
15 |
Correct |
1 ms |
2908 KB |
Output is correct |
16 |
Correct |
1 ms |
2908 KB |
Output is correct |
17 |
Correct |
2 ms |
2908 KB |
Output is correct |
18 |
Correct |
2 ms |
2908 KB |
Output is correct |
19 |
Correct |
1 ms |
2908 KB |
Output is correct |
20 |
Correct |
2 ms |
2908 KB |
Output is correct |
21 |
Correct |
2 ms |
2908 KB |
Output is correct |
22 |
Correct |
2 ms |
2908 KB |
Output is correct |
23 |
Correct |
2 ms |
2904 KB |
Output is correct |
24 |
Correct |
2 ms |
2856 KB |
Output is correct |
25 |
Correct |
2 ms |
2908 KB |
Output is correct |
26 |
Correct |
2 ms |
2908 KB |
Output is correct |
27 |
Correct |
2 ms |
2908 KB |
Output is correct |
28 |
Correct |
2 ms |
2812 KB |
Output is correct |
29 |
Correct |
2 ms |
2908 KB |
Output is correct |
30 |
Correct |
2 ms |
2908 KB |
Output is correct |
31 |
Correct |
1 ms |
2908 KB |
Output is correct |
32 |
Correct |
2 ms |
2908 KB |
Output is correct |
33 |
Correct |
2 ms |
2908 KB |
Output is correct |
34 |
Correct |
1 ms |
2972 KB |
Output is correct |
35 |
Correct |
1 ms |
2908 KB |
Output is correct |
36 |
Correct |
2 ms |
2908 KB |
Output is correct |
37 |
Correct |
2 ms |
2908 KB |
Output is correct |
38 |
Correct |
2 ms |
2908 KB |
Output is correct |
39 |
Correct |
2 ms |
2908 KB |
Output is correct |
40 |
Correct |
1 ms |
2908 KB |
Output is correct |
41 |
Correct |
2 ms |
2904 KB |
Output is correct |
42 |
Correct |
2 ms |
2908 KB |
Output is correct |
43 |
Correct |
1 ms |
2908 KB |
Output is correct |
44 |
Correct |
2 ms |
2908 KB |
Output is correct |
45 |
Correct |
1 ms |
2908 KB |
Output is correct |