| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 211160 |
2020-03-19T10:41:08 Z |
amiratou |
Lamps (JOI19_lamps) |
C++14 |
|
131 ms |
106316 KB |
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define rando mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define fi first
#define se second
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define debugii(x) cerr << " - " << #x << ": " << x.fi<<","<<x.se << endl;
#define sep() cerr << "--------------------" << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ld long double
#define ll long long
//#define int ll
#define ii pair<int,int>
#define v vector<int>
#define vii vector<ii>
#define vv vector<vector<int> >
#define mp make_pair
#define INF 1000000000
#define pb push_back
#define EPS 1e-9
const int MOD = 1000000007; // 998244353
int dp[1000006][2][3],n;
string A,B;
char conv(char a,int t,int s){
if(!s)a='0';
if(s==1)a='1';
if(t)a=(char)(1-(int)(a-'0')+'0');
return a;
}
int solve(int idx,int t,int s){
if(idx==n)
return 0;
if(dp[idx][t][s]!=-1)
return dp[idx][t][s];
int ans=INF;
for (int i = 0; i < 2; ++i)
for (int j = 0; j < 3; ++j)
{
int cost=0;
cost+=(i?(i!=t):0)+((j!=2)?(j!=s):0);
if(conv(A[idx],i,j)!=B[idx])continue;
ans=min(ans,solve(idx+1,i,j)+cost);
}
return dp[idx][t][s]=ans;
}
int32_t main(){
boost;
//freopen(".in","r",stdin);
memset(dp,-1,sizeof dp);
cin>>n>>A>>B;
cout<<solve(0,0,2);
return 0;
}
//long long
//array bounds
//special cases
//binary search
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 2 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 3 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 4 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 6 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 7 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 8 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 9 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 10 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 11 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 12 |
Correct |
18 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 |
17 ms |
23808 KB |
Output is correct |
| 17 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 18 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 19 |
Correct |
19 ms |
23808 KB |
Output is correct |
| 20 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 21 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 22 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 23 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 24 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 25 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 26 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 28 |
Correct |
19 ms |
23808 KB |
Output is correct |
| 29 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 30 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 31 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 32 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 33 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 34 |
Correct |
18 ms |
23808 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 2 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 3 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 4 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 6 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 7 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 8 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 9 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 10 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 11 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 12 |
Correct |
18 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 |
17 ms |
23808 KB |
Output is correct |
| 17 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 18 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 19 |
Correct |
19 ms |
23808 KB |
Output is correct |
| 20 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 21 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 22 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 23 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 24 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 25 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 26 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 28 |
Correct |
19 ms |
23808 KB |
Output is correct |
| 29 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 30 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 31 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 32 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 33 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 34 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 35 |
Correct |
18 ms |
24192 KB |
Output is correct |
| 36 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 37 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 38 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 39 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 40 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 41 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 42 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 43 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 44 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 45 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 46 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 47 |
Correct |
19 ms |
23936 KB |
Output is correct |
| 48 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 49 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 50 |
Correct |
17 ms |
24064 KB |
Output is correct |
| 51 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 52 |
Correct |
17 ms |
24064 KB |
Output is correct |
| 53 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 54 |
Correct |
17 ms |
23928 KB |
Output is correct |
| 55 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 56 |
Correct |
17 ms |
24064 KB |
Output is correct |
| 57 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 58 |
Correct |
17 ms |
24064 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 2 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 3 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 4 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 6 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 7 |
Correct |
114 ms |
104268 KB |
Output is correct |
| 8 |
Correct |
116 ms |
104260 KB |
Output is correct |
| 9 |
Correct |
116 ms |
104140 KB |
Output is correct |
| 10 |
Correct |
114 ms |
104276 KB |
Output is correct |
| 11 |
Correct |
116 ms |
104268 KB |
Output is correct |
| 12 |
Correct |
113 ms |
104256 KB |
Output is correct |
| 13 |
Correct |
113 ms |
104140 KB |
Output is correct |
| 14 |
Correct |
112 ms |
104136 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 2 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 3 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 4 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 5 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 6 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 7 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 8 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 9 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 10 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 11 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 12 |
Correct |
18 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 |
17 ms |
23808 KB |
Output is correct |
| 17 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 18 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 19 |
Correct |
19 ms |
23808 KB |
Output is correct |
| 20 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 21 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 22 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 23 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 24 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 25 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 26 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 28 |
Correct |
19 ms |
23808 KB |
Output is correct |
| 29 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 30 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 31 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 32 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 33 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 34 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 35 |
Correct |
18 ms |
24192 KB |
Output is correct |
| 36 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 37 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 38 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 39 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 40 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 41 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 42 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 43 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 44 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 45 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 46 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 47 |
Correct |
19 ms |
23936 KB |
Output is correct |
| 48 |
Correct |
18 ms |
23936 KB |
Output is correct |
| 49 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 50 |
Correct |
17 ms |
24064 KB |
Output is correct |
| 51 |
Correct |
16 ms |
23936 KB |
Output is correct |
| 52 |
Correct |
17 ms |
24064 KB |
Output is correct |
| 53 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 54 |
Correct |
17 ms |
23928 KB |
Output is correct |
| 55 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 56 |
Correct |
17 ms |
24064 KB |
Output is correct |
| 57 |
Correct |
17 ms |
23936 KB |
Output is correct |
| 58 |
Correct |
17 ms |
24064 KB |
Output is correct |
| 59 |
Correct |
16 ms |
23808 KB |
Output is correct |
| 60 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 61 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 62 |
Correct |
18 ms |
23808 KB |
Output is correct |
| 63 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 64 |
Correct |
17 ms |
23808 KB |
Output is correct |
| 65 |
Correct |
114 ms |
104268 KB |
Output is correct |
| 66 |
Correct |
116 ms |
104260 KB |
Output is correct |
| 67 |
Correct |
116 ms |
104140 KB |
Output is correct |
| 68 |
Correct |
114 ms |
104276 KB |
Output is correct |
| 69 |
Correct |
116 ms |
104268 KB |
Output is correct |
| 70 |
Correct |
113 ms |
104256 KB |
Output is correct |
| 71 |
Correct |
113 ms |
104140 KB |
Output is correct |
| 72 |
Correct |
112 ms |
104136 KB |
Output is correct |
| 73 |
Correct |
114 ms |
106180 KB |
Output is correct |
| 74 |
Correct |
112 ms |
106212 KB |
Output is correct |
| 75 |
Correct |
112 ms |
106308 KB |
Output is correct |
| 76 |
Correct |
115 ms |
106312 KB |
Output is correct |
| 77 |
Correct |
112 ms |
106188 KB |
Output is correct |
| 78 |
Correct |
115 ms |
106188 KB |
Output is correct |
| 79 |
Correct |
117 ms |
106184 KB |
Output is correct |
| 80 |
Correct |
116 ms |
106188 KB |
Output is correct |
| 81 |
Correct |
116 ms |
106184 KB |
Output is correct |
| 82 |
Correct |
117 ms |
106192 KB |
Output is correct |
| 83 |
Correct |
116 ms |
106188 KB |
Output is correct |
| 84 |
Correct |
118 ms |
106184 KB |
Output is correct |
| 85 |
Correct |
116 ms |
106188 KB |
Output is correct |
| 86 |
Correct |
117 ms |
106184 KB |
Output is correct |
| 87 |
Correct |
117 ms |
106180 KB |
Output is correct |
| 88 |
Correct |
119 ms |
106184 KB |
Output is correct |
| 89 |
Correct |
115 ms |
106184 KB |
Output is correct |
| 90 |
Correct |
116 ms |
106188 KB |
Output is correct |
| 91 |
Correct |
126 ms |
106316 KB |
Output is correct |
| 92 |
Correct |
124 ms |
106188 KB |
Output is correct |
| 93 |
Correct |
118 ms |
106196 KB |
Output is correct |
| 94 |
Correct |
123 ms |
106184 KB |
Output is correct |
| 95 |
Correct |
127 ms |
106184 KB |
Output is correct |
| 96 |
Correct |
124 ms |
106308 KB |
Output is correct |
| 97 |
Correct |
120 ms |
106188 KB |
Output is correct |
| 98 |
Correct |
131 ms |
106284 KB |
Output is correct |
| 99 |
Correct |
126 ms |
106316 KB |
Output is correct |
| 100 |
Correct |
120 ms |
106180 KB |
Output is correct |
| 101 |
Correct |
128 ms |
106176 KB |
Output is correct |
| 102 |
Correct |
126 ms |
106188 KB |
Output is correct |
