//DUEL
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define x first
#define y second
#define pii pair<int,int>
#define pb push_back
#define eb emplace_back
#pragma GCC optimize("unroll-loops")
#define shandom_ruffle(a, b) shuffle(a, b, rng)
#define vi vector<int>
#define vl vector<ll>
#define popcnt __builtin_popcount
#define popcntll __builtin_popcountll
#define all(a) begin(a),end(a)
using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using ull=unsigned long long;
using ld=long double;
int MOD=1000000007;
int MOD2=998244353;
vector<int> bases;
const ll LLINF=1ll<<60;
const char en='\n';
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void yes() {cout<<"YES"<<en; exit(0);}
void no() {cout<<"NO"<<en; exit(0);}
inline int rund() {int x576363482791fuweh=rng();return abs(x576363482791fuweh)%RAND_MAX;}
template<class T>
void prVec(vector<T> w,bool fl=false)
{
cout<<w.size()<<en;
for (int i=0;i<int(w.size())-1;++i) cout<<w[i]<<' ';
if (w.size()) cout<<w[w.size()-1]<<en;
if (fl) cout<<flush;
}
void M998()
{
swap(MOD,MOD2);
}
ll raand()
{
ll a=rund();
a*=RAND_MAX;
a+=rund();
return a;
}
#define rand raand
ll raaand()
{
return raand()*(MOD-7)+raand();
}
void compress(vi&v)
{
set<int> s;
for (auto a: v) s.insert(a);
vi o(all(s));
for (auto&a: v) a=lower_bound(all(o),a)-o.begin();
}
void compress(vl&v)
{
set<ll> s;
for (auto a: v) s.insert(a);
vl o(all(s));
for (auto&a: v) a=lower_bound(all(o),a)-o.begin();
}
string to_upper(string a)
{
for (int i=0;i<(int)a.size();++i) if (a[i]>='a' && a[i]<='z') a[i]-='a'-'A';
return a;
}
string to_lower(string a)
{
for (int i=0;i<(int)a.size();++i) if (a[i]>='A' && a[i]<='Z') a[i]+='a'-'A';
return a;
}
ll sti(string a,int base=10)
{
ll k=0;
for (int i=0;i<(int)a.size();++i)
{
k*=base;
k+=a[i]-'0';
}
return k;
}
template<class T>
void eras(vector<T>& a,T b)
{
a.erase(find(a.begin(),a.end(),b));
}
string its(ll k,int base=10)
{
if (k==0) return "0";
string a;
while (k)
{
a.push_back((k%base)+'0');
k/=base;
}
reverse(a.begin(),a.end());
return a;
}
ll min(ll a,int b)
{
if (a<b) return a;
return b;
}
ll min(int a,ll b)
{
if (a<b) return a;
return b;
}
ll max(ll a,int b)
{
if (a>b) return a;
return b;
}
ll max(int a,ll b)
{
if (a>b) return a;
return b;
}
ll gcd(ll a,ll b)
{
if (b==0) return a;
return gcd(b,a%b);
}
ll lcm(ll a,ll b)
{
return a/gcd(a,b)*b;
}
template<class T,class K>
pair<T,K> mp(T a,K b)
{
return make_pair(a,b);
}
inline int mult(ll a,ll b)
{
return (a*b)%MOD;
}
inline int pot(int n,int k)
{
if (k==0) return 1;
ll a=pot(n,k/2);
a=mult(a,a);
if (k%2) return mult(a,n);
else return a;
}
int divide(int a,int b)
{
return mult(a,pot(b,MOD-2));
}
inline int sub(int a,int b)
{
if (a-b>=0) return a-b;
return a-b+MOD;
}
inline int add(int a,int b)
{
if (a+b>=MOD) return a+b-MOD;
return a+b;
}
bool prime(ll a)
{
if (a==1) return 0;
for (int i=2;i<=round(sqrt(a));++i)
{
if (a%i==0) return 0;
}
return 1;
}
const int N=1000010;
int t,n,dp[N][6];
//0 - ništa
//1 - toggle
//2 - postavi na 0
//3 - postavi na 0 pa toggle
//4 - postavi na 1
//5 - postavi na 1 pa toggle
bool ok[6];
int co[6][6];
string a,b;
int dx[]={0,1,0,-1};
int dy[]={1,0,-1,0};
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
for (int i=0;i<10;++i) bases.push_back(rand()%(MOD-13893829*2)+13893829);
co[0][1]=co[0][2]=co[0][4]=1;
co[0][3]=co[0][5]=2;
co[1][2]=co[1][3]=co[1][4]=co[1][5]=1;
co[2][1]=co[2][3]=co[2][4]=1;
co[2][5]=2;
co[3][4]=co[3][5]=1;
co[4][1]=co[4][2]=co[4][5]=1;
co[4][3]=2;
co[5][3]=co[5][2]=1;
cin>>n>>a>>b;
a="0"+a;
b="0"+b;
memset(dp,63,sizeof(dp));
dp[0][0]=0;
for (int i=1;i<=n;++i)
{
memset(ok,0,sizeof(ok));
if (a[i]==b[i]) ok[0]=1;
else ok[1]=1;
if (b[i]=='0') ok[2]=1;
else ok[3]=1;
if (b[i]=='1') ok[4]=1;
else ok[5]=1;
for (int j=0;j<6;++j) if (ok[j]) for (int k=0;k<6;++k) dp[i][j]=min(dp[i][j],dp[i-1][k]+co[k][j]);
}
int mi=MOD;
for (int i=0;i<6;++i) mi=min(mi,dp[n][i]);
cout<<mi<<en;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23808 KB |
Output is correct |
3 |
Correct |
20 ms |
23808 KB |
Output is correct |
4 |
Correct |
19 ms |
23808 KB |
Output is correct |
5 |
Correct |
20 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
17 ms |
23808 KB |
Output is correct |
8 |
Correct |
16 ms |
23808 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
19 ms |
23808 KB |
Output is correct |
11 |
Correct |
18 ms |
23808 KB |
Output is correct |
12 |
Correct |
19 ms |
23808 KB |
Output is correct |
13 |
Correct |
17 ms |
23808 KB |
Output is correct |
14 |
Correct |
17 ms |
23808 KB |
Output is correct |
15 |
Correct |
17 ms |
23808 KB |
Output is correct |
16 |
Correct |
16 ms |
23808 KB |
Output is correct |
17 |
Correct |
16 ms |
23808 KB |
Output is correct |
18 |
Correct |
16 ms |
23808 KB |
Output is correct |
19 |
Correct |
16 ms |
23808 KB |
Output is correct |
20 |
Correct |
16 ms |
23808 KB |
Output is correct |
21 |
Correct |
17 ms |
23808 KB |
Output is correct |
22 |
Correct |
16 ms |
23808 KB |
Output is correct |
23 |
Correct |
16 ms |
23808 KB |
Output is correct |
24 |
Correct |
16 ms |
23808 KB |
Output is correct |
25 |
Correct |
19 ms |
23808 KB |
Output is correct |
26 |
Correct |
16 ms |
23808 KB |
Output is correct |
27 |
Correct |
16 ms |
23808 KB |
Output is correct |
28 |
Correct |
16 ms |
23800 KB |
Output is correct |
29 |
Correct |
16 ms |
23808 KB |
Output is correct |
30 |
Correct |
16 ms |
23808 KB |
Output is correct |
31 |
Correct |
17 ms |
23936 KB |
Output is correct |
32 |
Correct |
16 ms |
23808 KB |
Output is correct |
33 |
Correct |
16 ms |
23808 KB |
Output is correct |
34 |
Correct |
16 ms |
23808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23808 KB |
Output is correct |
3 |
Correct |
20 ms |
23808 KB |
Output is correct |
4 |
Correct |
19 ms |
23808 KB |
Output is correct |
5 |
Correct |
20 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
17 ms |
23808 KB |
Output is correct |
8 |
Correct |
16 ms |
23808 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
19 ms |
23808 KB |
Output is correct |
11 |
Correct |
18 ms |
23808 KB |
Output is correct |
12 |
Correct |
19 ms |
23808 KB |
Output is correct |
13 |
Correct |
17 ms |
23808 KB |
Output is correct |
14 |
Correct |
17 ms |
23808 KB |
Output is correct |
15 |
Correct |
17 ms |
23808 KB |
Output is correct |
16 |
Correct |
16 ms |
23808 KB |
Output is correct |
17 |
Correct |
16 ms |
23808 KB |
Output is correct |
18 |
Correct |
16 ms |
23808 KB |
Output is correct |
19 |
Correct |
16 ms |
23808 KB |
Output is correct |
20 |
Correct |
16 ms |
23808 KB |
Output is correct |
21 |
Correct |
17 ms |
23808 KB |
Output is correct |
22 |
Correct |
16 ms |
23808 KB |
Output is correct |
23 |
Correct |
16 ms |
23808 KB |
Output is correct |
24 |
Correct |
16 ms |
23808 KB |
Output is correct |
25 |
Correct |
19 ms |
23808 KB |
Output is correct |
26 |
Correct |
16 ms |
23808 KB |
Output is correct |
27 |
Correct |
16 ms |
23808 KB |
Output is correct |
28 |
Correct |
16 ms |
23800 KB |
Output is correct |
29 |
Correct |
16 ms |
23808 KB |
Output is correct |
30 |
Correct |
16 ms |
23808 KB |
Output is correct |
31 |
Correct |
17 ms |
23936 KB |
Output is correct |
32 |
Correct |
16 ms |
23808 KB |
Output is correct |
33 |
Correct |
16 ms |
23808 KB |
Output is correct |
34 |
Correct |
16 ms |
23808 KB |
Output is correct |
35 |
Correct |
16 ms |
23808 KB |
Output is correct |
36 |
Correct |
17 ms |
23808 KB |
Output is correct |
37 |
Correct |
17 ms |
23808 KB |
Output is correct |
38 |
Correct |
18 ms |
23808 KB |
Output is correct |
39 |
Correct |
19 ms |
23808 KB |
Output is correct |
40 |
Correct |
19 ms |
23808 KB |
Output is correct |
41 |
Correct |
16 ms |
23808 KB |
Output is correct |
42 |
Correct |
16 ms |
23808 KB |
Output is correct |
43 |
Correct |
17 ms |
23808 KB |
Output is correct |
44 |
Correct |
16 ms |
23808 KB |
Output is correct |
45 |
Correct |
17 ms |
23808 KB |
Output is correct |
46 |
Correct |
18 ms |
23808 KB |
Output is correct |
47 |
Correct |
17 ms |
23936 KB |
Output is correct |
48 |
Correct |
19 ms |
23808 KB |
Output is correct |
49 |
Correct |
17 ms |
23808 KB |
Output is correct |
50 |
Correct |
19 ms |
23808 KB |
Output is correct |
51 |
Correct |
18 ms |
23808 KB |
Output is correct |
52 |
Correct |
17 ms |
23808 KB |
Output is correct |
53 |
Correct |
17 ms |
23808 KB |
Output is correct |
54 |
Correct |
17 ms |
23808 KB |
Output is correct |
55 |
Correct |
16 ms |
23808 KB |
Output is correct |
56 |
Correct |
16 ms |
23808 KB |
Output is correct |
57 |
Correct |
16 ms |
23808 KB |
Output is correct |
58 |
Correct |
16 ms |
23808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
23808 KB |
Output is correct |
2 |
Correct |
16 ms |
23808 KB |
Output is correct |
3 |
Correct |
16 ms |
23808 KB |
Output is correct |
4 |
Correct |
16 ms |
23808 KB |
Output is correct |
5 |
Correct |
16 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
41 ms |
27692 KB |
Output is correct |
8 |
Correct |
38 ms |
27684 KB |
Output is correct |
9 |
Correct |
39 ms |
27832 KB |
Output is correct |
10 |
Correct |
38 ms |
27692 KB |
Output is correct |
11 |
Correct |
39 ms |
27692 KB |
Output is correct |
12 |
Correct |
38 ms |
27692 KB |
Output is correct |
13 |
Correct |
39 ms |
27820 KB |
Output is correct |
14 |
Correct |
38 ms |
27692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
16 ms |
23808 KB |
Output is correct |
2 |
Correct |
17 ms |
23808 KB |
Output is correct |
3 |
Correct |
20 ms |
23808 KB |
Output is correct |
4 |
Correct |
19 ms |
23808 KB |
Output is correct |
5 |
Correct |
20 ms |
23808 KB |
Output is correct |
6 |
Correct |
16 ms |
23808 KB |
Output is correct |
7 |
Correct |
17 ms |
23808 KB |
Output is correct |
8 |
Correct |
16 ms |
23808 KB |
Output is correct |
9 |
Correct |
16 ms |
23808 KB |
Output is correct |
10 |
Correct |
19 ms |
23808 KB |
Output is correct |
11 |
Correct |
18 ms |
23808 KB |
Output is correct |
12 |
Correct |
19 ms |
23808 KB |
Output is correct |
13 |
Correct |
17 ms |
23808 KB |
Output is correct |
14 |
Correct |
17 ms |
23808 KB |
Output is correct |
15 |
Correct |
17 ms |
23808 KB |
Output is correct |
16 |
Correct |
16 ms |
23808 KB |
Output is correct |
17 |
Correct |
16 ms |
23808 KB |
Output is correct |
18 |
Correct |
16 ms |
23808 KB |
Output is correct |
19 |
Correct |
16 ms |
23808 KB |
Output is correct |
20 |
Correct |
16 ms |
23808 KB |
Output is correct |
21 |
Correct |
17 ms |
23808 KB |
Output is correct |
22 |
Correct |
16 ms |
23808 KB |
Output is correct |
23 |
Correct |
16 ms |
23808 KB |
Output is correct |
24 |
Correct |
16 ms |
23808 KB |
Output is correct |
25 |
Correct |
19 ms |
23808 KB |
Output is correct |
26 |
Correct |
16 ms |
23808 KB |
Output is correct |
27 |
Correct |
16 ms |
23808 KB |
Output is correct |
28 |
Correct |
16 ms |
23800 KB |
Output is correct |
29 |
Correct |
16 ms |
23808 KB |
Output is correct |
30 |
Correct |
16 ms |
23808 KB |
Output is correct |
31 |
Correct |
17 ms |
23936 KB |
Output is correct |
32 |
Correct |
16 ms |
23808 KB |
Output is correct |
33 |
Correct |
16 ms |
23808 KB |
Output is correct |
34 |
Correct |
16 ms |
23808 KB |
Output is correct |
35 |
Correct |
16 ms |
23808 KB |
Output is correct |
36 |
Correct |
17 ms |
23808 KB |
Output is correct |
37 |
Correct |
17 ms |
23808 KB |
Output is correct |
38 |
Correct |
18 ms |
23808 KB |
Output is correct |
39 |
Correct |
19 ms |
23808 KB |
Output is correct |
40 |
Correct |
19 ms |
23808 KB |
Output is correct |
41 |
Correct |
16 ms |
23808 KB |
Output is correct |
42 |
Correct |
16 ms |
23808 KB |
Output is correct |
43 |
Correct |
17 ms |
23808 KB |
Output is correct |
44 |
Correct |
16 ms |
23808 KB |
Output is correct |
45 |
Correct |
17 ms |
23808 KB |
Output is correct |
46 |
Correct |
18 ms |
23808 KB |
Output is correct |
47 |
Correct |
17 ms |
23936 KB |
Output is correct |
48 |
Correct |
19 ms |
23808 KB |
Output is correct |
49 |
Correct |
17 ms |
23808 KB |
Output is correct |
50 |
Correct |
19 ms |
23808 KB |
Output is correct |
51 |
Correct |
18 ms |
23808 KB |
Output is correct |
52 |
Correct |
17 ms |
23808 KB |
Output is correct |
53 |
Correct |
17 ms |
23808 KB |
Output is correct |
54 |
Correct |
17 ms |
23808 KB |
Output is correct |
55 |
Correct |
16 ms |
23808 KB |
Output is correct |
56 |
Correct |
16 ms |
23808 KB |
Output is correct |
57 |
Correct |
16 ms |
23808 KB |
Output is correct |
58 |
Correct |
16 ms |
23808 KB |
Output is correct |
59 |
Correct |
17 ms |
23808 KB |
Output is correct |
60 |
Correct |
16 ms |
23808 KB |
Output is correct |
61 |
Correct |
16 ms |
23808 KB |
Output is correct |
62 |
Correct |
16 ms |
23808 KB |
Output is correct |
63 |
Correct |
16 ms |
23808 KB |
Output is correct |
64 |
Correct |
16 ms |
23808 KB |
Output is correct |
65 |
Correct |
41 ms |
27692 KB |
Output is correct |
66 |
Correct |
38 ms |
27684 KB |
Output is correct |
67 |
Correct |
39 ms |
27832 KB |
Output is correct |
68 |
Correct |
38 ms |
27692 KB |
Output is correct |
69 |
Correct |
39 ms |
27692 KB |
Output is correct |
70 |
Correct |
38 ms |
27692 KB |
Output is correct |
71 |
Correct |
39 ms |
27820 KB |
Output is correct |
72 |
Correct |
38 ms |
27692 KB |
Output is correct |
73 |
Correct |
39 ms |
27692 KB |
Output is correct |
74 |
Correct |
38 ms |
27692 KB |
Output is correct |
75 |
Correct |
38 ms |
27684 KB |
Output is correct |
76 |
Correct |
39 ms |
27692 KB |
Output is correct |
77 |
Correct |
38 ms |
27692 KB |
Output is correct |
78 |
Correct |
38 ms |
27812 KB |
Output is correct |
79 |
Correct |
38 ms |
27692 KB |
Output is correct |
80 |
Correct |
38 ms |
27692 KB |
Output is correct |
81 |
Correct |
39 ms |
27692 KB |
Output is correct |
82 |
Correct |
38 ms |
27692 KB |
Output is correct |
83 |
Correct |
43 ms |
27684 KB |
Output is correct |
84 |
Correct |
43 ms |
27692 KB |
Output is correct |
85 |
Correct |
42 ms |
27692 KB |
Output is correct |
86 |
Correct |
42 ms |
27692 KB |
Output is correct |
87 |
Correct |
42 ms |
27692 KB |
Output is correct |
88 |
Correct |
47 ms |
27820 KB |
Output is correct |
89 |
Correct |
45 ms |
27692 KB |
Output is correct |
90 |
Correct |
43 ms |
27812 KB |
Output is correct |
91 |
Correct |
45 ms |
27796 KB |
Output is correct |
92 |
Correct |
53 ms |
27692 KB |
Output is correct |
93 |
Correct |
47 ms |
27684 KB |
Output is correct |
94 |
Correct |
48 ms |
27820 KB |
Output is correct |
95 |
Correct |
50 ms |
27692 KB |
Output is correct |
96 |
Correct |
49 ms |
27692 KB |
Output is correct |
97 |
Correct |
49 ms |
27808 KB |
Output is correct |
98 |
Correct |
47 ms |
27692 KB |
Output is correct |
99 |
Correct |
50 ms |
27692 KB |
Output is correct |
100 |
Correct |
49 ms |
27680 KB |
Output is correct |
101 |
Correct |
51 ms |
27724 KB |
Output is correct |
102 |
Correct |
47 ms |
27692 KB |
Output is correct |