| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 626523 |
2022-08-11T13:57:56 Z |
codr0 |
Lamps (JOI19_lamps) |
C++14 |
|
50 ms |
28904 KB |
// Code by Parsa Eslami
#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define FORR(i,a,b) for(int i=a;i>=b;i--)
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define all(x) x.begin(),x.end()
#define SZ(x) ((int)x.size())
#define bit(i,j) ((j>>i)&1)
#define pb push_back
#define lc 2*id
#define rc 2*id+1
#define dmid int mid=(r+l)/2
#define err(x) cerr<#x<<" : "<<x<<'\n'
using namespace std;
int get(){
int x; cin>>x; return x;
}
int32_t main(){
iostream::sync_with_stdio(0); cin.tie(0);
int n=get();
bool a[n+1]={}; bool b[n+1];
string s; cin>>s; FOR(i,0,n-1) a[i+1]=s[i]-'0';
cin>>s; FOR(i,0,n-1) b[i+1]=s[i]-'0';
int val[2][3][2];
FOR(B,0,1) FOR(i,0,2) FOR(j,0,1){
if(i==2) val[B][i][j]=B^j;
else val[B][i][j]=i^j;
}
int dis[3][2][3][2];
FOR(i0,0,2) FOR(j0,0,1) FOR(i1,0,2) FOR(j1,0,1){
dis[i0][j0][i1][j1]=0;
if(j1==1&&j0==0) dis[i0][j0][i1][j1]++;
if(i1!=2) dis[i0][j0][i1][j1]+=(i0!=i1);
}
int dp[n+1][3][2];
FOR(w,0,n) FOR(i,0,2) FOR(j,0,1) dp[w][i][j]=1e9;
dp[0][2][0]=0;
FOR(w,1,n) FOR(i,0,2) FOR(j,0,1){
if(val[a[w]][i][j]!=b[w]) continue;
FOR(i0,0,2) FOR(j0,0,1) minm(dp[w][i][j],dp[w-1][i0][j0]+dis[i0][j0][i][j]);
}
FOR(i,0,2) FOR(j,0,1) minm(dp[n][0][0],dp[n][i][j]);
cout<<dp[n][0][0]<<'\n';
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
320 KB |
Output is correct |
| 12 |
Correct |
0 ms |
316 KB |
Output is correct |
| 13 |
Correct |
0 ms |
320 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
0 ms |
212 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
324 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
324 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
320 KB |
Output is correct |
| 12 |
Correct |
0 ms |
316 KB |
Output is correct |
| 13 |
Correct |
0 ms |
320 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
0 ms |
212 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
324 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
324 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
320 KB |
Output is correct |
| 37 |
Correct |
1 ms |
328 KB |
Output is correct |
| 38 |
Correct |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
0 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
0 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
320 KB |
Output is correct |
| 43 |
Correct |
1 ms |
340 KB |
Output is correct |
| 44 |
Correct |
1 ms |
328 KB |
Output is correct |
| 45 |
Correct |
1 ms |
320 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
1 ms |
324 KB |
Output is correct |
| 48 |
Correct |
1 ms |
340 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
1 ms |
340 KB |
Output is correct |
| 51 |
Correct |
1 ms |
340 KB |
Output is correct |
| 52 |
Correct |
1 ms |
340 KB |
Output is correct |
| 53 |
Correct |
1 ms |
340 KB |
Output is correct |
| 54 |
Correct |
0 ms |
340 KB |
Output is correct |
| 55 |
Correct |
1 ms |
340 KB |
Output is correct |
| 56 |
Correct |
1 ms |
340 KB |
Output is correct |
| 57 |
Correct |
1 ms |
320 KB |
Output is correct |
| 58 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
316 KB |
Output is correct |
| 7 |
Correct |
42 ms |
28708 KB |
Output is correct |
| 8 |
Correct |
38 ms |
28772 KB |
Output is correct |
| 9 |
Correct |
39 ms |
28784 KB |
Output is correct |
| 10 |
Correct |
39 ms |
28704 KB |
Output is correct |
| 11 |
Correct |
38 ms |
28732 KB |
Output is correct |
| 12 |
Correct |
39 ms |
28740 KB |
Output is correct |
| 13 |
Correct |
40 ms |
28760 KB |
Output is correct |
| 14 |
Correct |
39 ms |
28728 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
320 KB |
Output is correct |
| 12 |
Correct |
0 ms |
316 KB |
Output is correct |
| 13 |
Correct |
0 ms |
320 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
320 KB |
Output is correct |
| 16 |
Correct |
0 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
0 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
320 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
0 ms |
212 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
0 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
324 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
324 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
320 KB |
Output is correct |
| 37 |
Correct |
1 ms |
328 KB |
Output is correct |
| 38 |
Correct |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
0 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
0 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
320 KB |
Output is correct |
| 43 |
Correct |
1 ms |
340 KB |
Output is correct |
| 44 |
Correct |
1 ms |
328 KB |
Output is correct |
| 45 |
Correct |
1 ms |
320 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
1 ms |
324 KB |
Output is correct |
| 48 |
Correct |
1 ms |
340 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
1 ms |
340 KB |
Output is correct |
| 51 |
Correct |
1 ms |
340 KB |
Output is correct |
| 52 |
Correct |
1 ms |
340 KB |
Output is correct |
| 53 |
Correct |
1 ms |
340 KB |
Output is correct |
| 54 |
Correct |
0 ms |
340 KB |
Output is correct |
| 55 |
Correct |
1 ms |
340 KB |
Output is correct |
| 56 |
Correct |
1 ms |
340 KB |
Output is correct |
| 57 |
Correct |
1 ms |
320 KB |
Output is correct |
| 58 |
Correct |
1 ms |
340 KB |
Output is correct |
| 59 |
Correct |
0 ms |
212 KB |
Output is correct |
| 60 |
Correct |
0 ms |
212 KB |
Output is correct |
| 61 |
Correct |
1 ms |
212 KB |
Output is correct |
| 62 |
Correct |
1 ms |
212 KB |
Output is correct |
| 63 |
Correct |
1 ms |
212 KB |
Output is correct |
| 64 |
Correct |
0 ms |
316 KB |
Output is correct |
| 65 |
Correct |
42 ms |
28708 KB |
Output is correct |
| 66 |
Correct |
38 ms |
28772 KB |
Output is correct |
| 67 |
Correct |
39 ms |
28784 KB |
Output is correct |
| 68 |
Correct |
39 ms |
28704 KB |
Output is correct |
| 69 |
Correct |
38 ms |
28732 KB |
Output is correct |
| 70 |
Correct |
39 ms |
28740 KB |
Output is correct |
| 71 |
Correct |
40 ms |
28760 KB |
Output is correct |
| 72 |
Correct |
39 ms |
28728 KB |
Output is correct |
| 73 |
Correct |
38 ms |
28740 KB |
Output is correct |
| 74 |
Correct |
38 ms |
28772 KB |
Output is correct |
| 75 |
Correct |
38 ms |
28728 KB |
Output is correct |
| 76 |
Correct |
40 ms |
28732 KB |
Output is correct |
| 77 |
Correct |
38 ms |
28764 KB |
Output is correct |
| 78 |
Correct |
37 ms |
28748 KB |
Output is correct |
| 79 |
Correct |
42 ms |
28776 KB |
Output is correct |
| 80 |
Correct |
41 ms |
28904 KB |
Output is correct |
| 81 |
Correct |
45 ms |
28712 KB |
Output is correct |
| 82 |
Correct |
43 ms |
28748 KB |
Output is correct |
| 83 |
Correct |
43 ms |
28696 KB |
Output is correct |
| 84 |
Correct |
41 ms |
28768 KB |
Output is correct |
| 85 |
Correct |
46 ms |
28728 KB |
Output is correct |
| 86 |
Correct |
41 ms |
28704 KB |
Output is correct |
| 87 |
Correct |
45 ms |
28776 KB |
Output is correct |
| 88 |
Correct |
48 ms |
28780 KB |
Output is correct |
| 89 |
Correct |
42 ms |
28712 KB |
Output is correct |
| 90 |
Correct |
47 ms |
28780 KB |
Output is correct |
| 91 |
Correct |
44 ms |
28772 KB |
Output is correct |
| 92 |
Correct |
46 ms |
28708 KB |
Output is correct |
| 93 |
Correct |
47 ms |
28716 KB |
Output is correct |
| 94 |
Correct |
46 ms |
28756 KB |
Output is correct |
| 95 |
Correct |
47 ms |
28776 KB |
Output is correct |
| 96 |
Correct |
50 ms |
28860 KB |
Output is correct |
| 97 |
Correct |
46 ms |
28716 KB |
Output is correct |
| 98 |
Correct |
47 ms |
28732 KB |
Output is correct |
| 99 |
Correct |
46 ms |
28792 KB |
Output is correct |
| 100 |
Correct |
45 ms |
28776 KB |
Output is correct |
| 101 |
Correct |
50 ms |
28744 KB |
Output is correct |
| 102 |
Correct |
47 ms |
28776 KB |
Output is correct |
