oj.uz

Submission #302641

# Submission time Handle Problem Language Result Execution time Memory
302641 2020-09-19T00:43:58 Z NaimSS Lamps (JOI19_lamps) C++14
100 / 100
 349 ms 159096 KB 
#include <bits/stdc++.h>
#define ld long double
#define endl "\n"
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pb(x) push_back(x)
#define mp(a,b) make_pair(a,b)
#define ms(v,x) memset(v,x,sizeof(v))
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define per(i, a, b) for(int i = b-1; i>=a ; i--)
#define trav(a, x) for(auto& a : x)
#define allin(a , x) for(auto a : x)
#define Unique(v) sort(all(v));v.erase(unique(all(v)),v.end());
#define sz(v) (int)v.size()
#define int long long
using namespace std;
typedef vector<int> vi;
#define y1 abacaba
#define left sefude
#define db(x) cerr << #x <<" == "<<x << endl;
#define db2(x,y) cerr<<#x <<" == "<<x<<", "<<#y<<" == "<<y<<endl;
#define db3(x,y,z) cerr << #x<<" == "<<x<<", "<<#y<<" == "<<y<<", "<<#z<<" == "<<z<<endl; 
#define prl cerr<<"called: "<< __LINE__ << endl;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
inline ll mod(ll n, ll m ){ ll ret = n%m; if(ret < 0) ret += m; return ret; }
ll gcd(ll a, ll b){return (b == 0LL ? a : gcd(b, a%b));}
ll exp(ll a,ll b,ll m){
    if(b==0LL) return 1LL;
    if(b==1LL) return mod(a,m);
    ll k = mod(exp(a,b/2,m),m);
    if(b&1LL){
        return mod(a*mod(k*k,m),m);
    }
    else return mod(k*k,m);
}

const int N = 1e6 + 10;
int dp[N][8];
int A[N],B[N];
inline int get(int id,int msk){
  int a = A[id];
  if(msk&(1<<0))a=0;
  if(msk&(1<<1))a=1;
  if(msk&(1<<2))a^=1;
  return a;
}
int n;
int solve(int id,int m){
  if(id == n + 1)return 0;
  if(dp[id][m]!=-1)return dp[id][m];
  int&x = dp[id][m];
  x = n - id + 1;
  rep(nv,0,8)if(get(id,nv) == B[id]){
    x = min(x,__builtin_popcount(~m&nv) + solve(id+1,nv));
  }
  return x;
}

int32_t main(){
  fastio;
  ms(dp,-1);
  cin>>n;
  char c;
  for(int i=1;i<=n;i++){
    cin >> c;
    A[i]=c-'0';
  }
  for(int i=1;i<=n;i++){
    cin >> c;
    B[i] = c-'0';
  }
  cout << solve(1,0) << endl;
  // math -> gcd it all
  // Did u check N=1? Did you switch N,M?
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 62968 KB Output is correct
2 Correct 37 ms 62968 KB Output is correct
3 Correct 37 ms 62968 KB Output is correct
4 Correct 37 ms 62976 KB Output is correct
5 Correct 37 ms 62968 KB Output is correct
6 Correct 36 ms 63000 KB Output is correct
7 Correct 37 ms 62968 KB Output is correct
8 Correct 38 ms 63028 KB Output is correct
9 Correct 39 ms 62968 KB Output is correct
10 Correct 37 ms 62968 KB Output is correct
11 Correct 37 ms 62968 KB Output is correct
12 Correct 37 ms 62976 KB Output is correct
13 Correct 37 ms 62976 KB Output is correct
14 Correct 37 ms 62972 KB Output is correct
15 Correct 37 ms 62968 KB Output is correct
16 Correct 37 ms 63096 KB Output is correct
17 Correct 37 ms 62976 KB Output is correct
18 Correct 37 ms 62968 KB Output is correct
19 Correct 37 ms 62968 KB Output is correct
20 Correct 38 ms 62976 KB Output is correct
21 Correct 38 ms 62976 KB Output is correct
22 Correct 37 ms 62976 KB Output is correct
23 Correct 38 ms 62968 KB Output is correct
24 Correct 37 ms 62968 KB Output is correct
25 Correct 37 ms 62972 KB Output is correct
26 Correct 37 ms 62968 KB Output is correct
27 Correct 37 ms 62968 KB Output is correct
28 Correct 37 ms 62968 KB Output is correct
29 Correct 37 ms 63104 KB Output is correct
30 Correct 37 ms 62968 KB Output is correct
31 Correct 39 ms 62968 KB Output is correct
32 Correct 37 ms 62968 KB Output is correct
33 Correct 37 ms 62976 KB Output is correct
34 Correct 37 ms 62972 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 62968 KB Output is correct
2 Correct 37 ms 62968 KB Output is correct
3 Correct 37 ms 62968 KB Output is correct
4 Correct 37 ms 62976 KB Output is correct
5 Correct 37 ms 62968 KB Output is correct
6 Correct 36 ms 63000 KB Output is correct
7 Correct 37 ms 62968 KB Output is correct
8 Correct 38 ms 63028 KB Output is correct
9 Correct 39 ms 62968 KB Output is correct
10 Correct 37 ms 62968 KB Output is correct
11 Correct 37 ms 62968 KB Output is correct
12 Correct 37 ms 62976 KB Output is correct
13 Correct 37 ms 62976 KB Output is correct
14 Correct 37 ms 62972 KB Output is correct
15 Correct 37 ms 62968 KB Output is correct
16 Correct 37 ms 63096 KB Output is correct
17 Correct 37 ms 62976 KB Output is correct
18 Correct 37 ms 62968 KB Output is correct
19 Correct 37 ms 62968 KB Output is correct
20 Correct 38 ms 62976 KB Output is correct
21 Correct 38 ms 62976 KB Output is correct
22 Correct 37 ms 62976 KB Output is correct
23 Correct 38 ms 62968 KB Output is correct
24 Correct 37 ms 62968 KB Output is correct
25 Correct 37 ms 62972 KB Output is correct
26 Correct 37 ms 62968 KB Output is correct
27 Correct 37 ms 62968 KB Output is correct
28 Correct 37 ms 62968 KB Output is correct
29 Correct 37 ms 63104 KB Output is correct
30 Correct 37 ms 62968 KB Output is correct
31 Correct 39 ms 62968 KB Output is correct
32 Correct 37 ms 62968 KB Output is correct
33 Correct 37 ms 62976 KB Output is correct
34 Correct 37 ms 62972 KB Output is correct
35 Correct 37 ms 63096 KB Output is correct
36 Correct 38 ms 63096 KB Output is correct
37 Correct 38 ms 63096 KB Output is correct
38 Correct 38 ms 63224 KB Output is correct
39 Correct 38 ms 63096 KB Output is correct
40 Correct 38 ms 63224 KB Output is correct
41 Correct 39 ms 63096 KB Output is correct
42 Correct 37 ms 63096 KB Output is correct
43 Correct 38 ms 63104 KB Output is correct
44 Correct 38 ms 63100 KB Output is correct
45 Correct 38 ms 63096 KB Output is correct
46 Correct 41 ms 63224 KB Output is correct
47 Correct 37 ms 63096 KB Output is correct
48 Correct 37 ms 63104 KB Output is correct
49 Correct 38 ms 63096 KB Output is correct
50 Correct 38 ms 63096 KB Output is correct
51 Correct 38 ms 63224 KB Output is correct
52 Correct 38 ms 63096 KB Output is correct
53 Correct 37 ms 63096 KB Output is correct
54 Correct 37 ms 63104 KB Output is correct
55 Correct 39 ms 63232 KB Output is correct
56 Correct 38 ms 63096 KB Output is correct
57 Correct 37 ms 63096 KB Output is correct
58 Correct 37 ms 63096 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 62968 KB Output is correct
2 Correct 37 ms 62968 KB Output is correct
3 Correct 38 ms 63096 KB Output is correct
4 Correct 37 ms 62976 KB Output is correct
5 Correct 37 ms 62976 KB Output is correct
6 Correct 37 ms 62968 KB Output is correct
7 Correct 302 ms 157816 KB Output is correct
8 Correct 313 ms 158840 KB Output is correct
9 Correct 311 ms 158840 KB Output is correct
10 Correct 314 ms 158968 KB Output is correct
11 Correct 311 ms 159048 KB Output is correct
12 Correct 303 ms 158968 KB Output is correct
13 Correct 303 ms 159036 KB Output is correct
14 Correct 304 ms 158840 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 62968 KB Output is correct
2 Correct 37 ms 62968 KB Output is correct
3 Correct 37 ms 62968 KB Output is correct
4 Correct 37 ms 62976 KB Output is correct
5 Correct 37 ms 62968 KB Output is correct
6 Correct 36 ms 63000 KB Output is correct
7 Correct 37 ms 62968 KB Output is correct
8 Correct 38 ms 63028 KB Output is correct
9 Correct 39 ms 62968 KB Output is correct
10 Correct 37 ms 62968 KB Output is correct
11 Correct 37 ms 62968 KB Output is correct
12 Correct 37 ms 62976 KB Output is correct
13 Correct 37 ms 62976 KB Output is correct
14 Correct 37 ms 62972 KB Output is correct
15 Correct 37 ms 62968 KB Output is correct
16 Correct 37 ms 63096 KB Output is correct
17 Correct 37 ms 62976 KB Output is correct
18 Correct 37 ms 62968 KB Output is correct
19 Correct 37 ms 62968 KB Output is correct
20 Correct 38 ms 62976 KB Output is correct
21 Correct 38 ms 62976 KB Output is correct
22 Correct 37 ms 62976 KB Output is correct
23 Correct 38 ms 62968 KB Output is correct
24 Correct 37 ms 62968 KB Output is correct
25 Correct 37 ms 62972 KB Output is correct
26 Correct 37 ms 62968 KB Output is correct
27 Correct 37 ms 62968 KB Output is correct
28 Correct 37 ms 62968 KB Output is correct
29 Correct 37 ms 63104 KB Output is correct
30 Correct 37 ms 62968 KB Output is correct
31 Correct 39 ms 62968 KB Output is correct
32 Correct 37 ms 62968 KB Output is correct
33 Correct 37 ms 62976 KB Output is correct
34 Correct 37 ms 62972 KB Output is correct
35 Correct 37 ms 63096 KB Output is correct
36 Correct 38 ms 63096 KB Output is correct
37 Correct 38 ms 63096 KB Output is correct
38 Correct 38 ms 63224 KB Output is correct
39 Correct 38 ms 63096 KB Output is correct
40 Correct 38 ms 63224 KB Output is correct
41 Correct 39 ms 63096 KB Output is correct
42 Correct 37 ms 63096 KB Output is correct
43 Correct 38 ms 63104 KB Output is correct
44 Correct 38 ms 63100 KB Output is correct
45 Correct 38 ms 63096 KB Output is correct
46 Correct 41 ms 63224 KB Output is correct
47 Correct 37 ms 63096 KB Output is correct
48 Correct 37 ms 63104 KB Output is correct
49 Correct 38 ms 63096 KB Output is correct
50 Correct 38 ms 63096 KB Output is correct
51 Correct 38 ms 63224 KB Output is correct
52 Correct 38 ms 63096 KB Output is correct
53 Correct 37 ms 63096 KB Output is correct
54 Correct 37 ms 63104 KB Output is correct
55 Correct 39 ms 63232 KB Output is correct
56 Correct 38 ms 63096 KB Output is correct
57 Correct 37 ms 63096 KB Output is correct
58 Correct 37 ms 63096 KB Output is correct
59 Correct 41 ms 62968 KB Output is correct
60 Correct 37 ms 62968 KB Output is correct
61 Correct 38 ms 63096 KB Output is correct
62 Correct 37 ms 62976 KB Output is correct
63 Correct 37 ms 62976 KB Output is correct
64 Correct 37 ms 62968 KB Output is correct
65 Correct 302 ms 157816 KB Output is correct
66 Correct 313 ms 158840 KB Output is correct
67 Correct 311 ms 158840 KB Output is correct
68 Correct 314 ms 158968 KB Output is correct
69 Correct 311 ms 159048 KB Output is correct
70 Correct 303 ms 158968 KB Output is correct
71 Correct 303 ms 159036 KB Output is correct
72 Correct 304 ms 158840 KB Output is correct
73 Correct 303 ms 158968 KB Output is correct
74 Correct 318 ms 158968 KB Output is correct
75 Correct 309 ms 158968 KB Output is correct
76 Correct 312 ms 158840 KB Output is correct
77 Correct 313 ms 158928 KB Output is correct
78 Correct 315 ms 159012 KB Output is correct
79 Correct 318 ms 158968 KB Output is correct
80 Correct 315 ms 158968 KB Output is correct
81 Correct 312 ms 158968 KB Output is correct
82 Correct 317 ms 158968 KB Output is correct
83 Correct 326 ms 158968 KB Output is correct
84 Correct 327 ms 158968 KB Output is correct
85 Correct 324 ms 159096 KB Output is correct
86 Correct 327 ms 158968 KB Output is correct
87 Correct 327 ms 159008 KB Output is correct
88 Correct 330 ms 158968 KB Output is correct
89 Correct 326 ms 158840 KB Output is correct
90 Correct 326 ms 158840 KB Output is correct
91 Correct 336 ms 158968 KB Output is correct
92 Correct 341 ms 158968 KB Output is correct
93 Correct 339 ms 158968 KB Output is correct
94 Correct 340 ms 158968 KB Output is correct
95 Correct 337 ms 158968 KB Output is correct
96 Correct 349 ms 158840 KB Output is correct
97 Correct 343 ms 158968 KB Output is correct
98 Correct 342 ms 158968 KB Output is correct
99 Correct 342 ms 158968 KB Output is correct
100 Correct 340 ms 158968 KB Output is correct
101 Correct 339 ms 159048 KB Output is correct
102 Correct 341 ms 158968 KB Output is correct