Submission #239963

# Submission time Handle Problem Language Result Execution time Memory
239963 2020-06-17T15:19:56 Z cfalas Lamps (JOI19_lamps) C++14
100 / 100
211 ms 90728 KB
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define INF 10000000
#define MOD 1000000007
#define MID (l+r)/2
#define HASHMOD 2305843009213693951
#define ll long long
#define ull unsigned long long
#define F first
#define S second
typedef pair<ll, ll> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef map<int, int> mii;

#define EPS 1e-6

string a,b;

// operations:
// 0 none
// 1 toggle
// 2 set 0
// 3 toggle + set 0
// 4 set 1
// 5 toggle + set 1

#define Q(w, cost) dp[n][x] = min(dp[n][x], rec(n-1, w)+cost);

int dp[1004000][6];
int rec(int n, int x){
	if(n<0) return 0;
	if(dp[n][x]!=-MOD) return dp[n][x];

	dp[n][x] = MOD;


	if(b[n]=='1'){
		if(x==2 || x==3){		Q(2,0);}
		else{					Q(2,1);}
		
		if(x==5){				Q(5,0);}
		else if(x==1 || x==4){	Q(5,1);}
		else{					Q(5,2);}
	}
	else if(b[n]=='0'){
		if(x==4 || x==5){		Q(4,0);}
		else{					Q(4,1);}
		
		if(x==3){				Q(3,0);}
		else if(x==1 || x==2){	Q(3,1);}
		else{					Q(3,2);}

	}
	if(a[n]==b[n]){				Q(0, 0);}
	else{
		if(x%2==1){				Q(1, 0);}
		else{					Q(1, 1);}
	}

	return dp[n][x];
}

int main(){
	int n;
	cin>>n;
	cin>>a>>b;
	for(int i=0;i<n;i++){
		for(int j=0;j<6;j++) dp[i][j] = -MOD;
	}
	cout<<rec(n-1, 0);


}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 256 KB Output is correct
21 Correct 4 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 4 ms 256 KB Output is correct
34 Correct 5 ms 256 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 256 KB Output is correct
21 Correct 4 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 4 ms 256 KB Output is correct
34 Correct 5 ms 256 KB Output is correct
35 Correct 5 ms 512 KB Output is correct
36 Correct 6 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 512 KB Output is correct
42 Correct 5 ms 512 KB Output is correct
43 Correct 5 ms 560 KB Output is correct
44 Correct 5 ms 512 KB Output is correct
45 Correct 5 ms 512 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 6 ms 512 KB Output is correct
50 Correct 5 ms 512 KB Output is correct
51 Correct 5 ms 512 KB Output is correct
52 Correct 5 ms 512 KB Output is correct
53 Correct 5 ms 512 KB Output is correct
54 Correct 6 ms 512 KB Output is correct
55 Correct 5 ms 512 KB Output is correct
56 Correct 5 ms 512 KB Output is correct
57 Correct 5 ms 512 KB Output is correct
58 Correct 5 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 193 ms 90444 KB Output is correct
8 Correct 186 ms 90572 KB Output is correct
9 Correct 192 ms 90468 KB Output is correct
10 Correct 187 ms 90468 KB Output is correct
11 Correct 184 ms 90468 KB Output is correct
12 Correct 184 ms 90444 KB Output is correct
13 Correct 186 ms 90468 KB Output is correct
14 Correct 197 ms 90576 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 256 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 256 KB Output is correct
21 Correct 4 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 4 ms 256 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 256 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 256 KB Output is correct
32 Correct 5 ms 256 KB Output is correct
33 Correct 4 ms 256 KB Output is correct
34 Correct 5 ms 256 KB Output is correct
35 Correct 5 ms 512 KB Output is correct
36 Correct 6 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 512 KB Output is correct
42 Correct 5 ms 512 KB Output is correct
43 Correct 5 ms 560 KB Output is correct
44 Correct 5 ms 512 KB Output is correct
45 Correct 5 ms 512 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 6 ms 512 KB Output is correct
50 Correct 5 ms 512 KB Output is correct
51 Correct 5 ms 512 KB Output is correct
52 Correct 5 ms 512 KB Output is correct
53 Correct 5 ms 512 KB Output is correct
54 Correct 6 ms 512 KB Output is correct
55 Correct 5 ms 512 KB Output is correct
56 Correct 5 ms 512 KB Output is correct
57 Correct 5 ms 512 KB Output is correct
58 Correct 5 ms 512 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 5 ms 256 KB Output is correct
61 Correct 5 ms 256 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Correct 5 ms 256 KB Output is correct
64 Correct 6 ms 384 KB Output is correct
65 Correct 193 ms 90444 KB Output is correct
66 Correct 186 ms 90572 KB Output is correct
67 Correct 192 ms 90468 KB Output is correct
68 Correct 187 ms 90468 KB Output is correct
69 Correct 184 ms 90468 KB Output is correct
70 Correct 184 ms 90444 KB Output is correct
71 Correct 186 ms 90468 KB Output is correct
72 Correct 197 ms 90576 KB Output is correct
73 Correct 201 ms 90468 KB Output is correct
74 Correct 189 ms 90604 KB Output is correct
75 Correct 200 ms 90472 KB Output is correct
76 Correct 190 ms 90468 KB Output is correct
77 Correct 182 ms 90468 KB Output is correct
78 Correct 184 ms 90472 KB Output is correct
79 Correct 185 ms 90500 KB Output is correct
80 Correct 187 ms 90472 KB Output is correct
81 Correct 185 ms 90472 KB Output is correct
82 Correct 185 ms 90596 KB Output is correct
83 Correct 199 ms 90504 KB Output is correct
84 Correct 196 ms 90612 KB Output is correct
85 Correct 197 ms 90468 KB Output is correct
86 Correct 195 ms 90600 KB Output is correct
87 Correct 198 ms 90628 KB Output is correct
88 Correct 194 ms 90476 KB Output is correct
89 Correct 194 ms 90604 KB Output is correct
90 Correct 198 ms 90468 KB Output is correct
91 Correct 198 ms 90596 KB Output is correct
92 Correct 197 ms 90468 KB Output is correct
93 Correct 200 ms 90728 KB Output is correct
94 Correct 198 ms 90468 KB Output is correct
95 Correct 198 ms 90596 KB Output is correct
96 Correct 200 ms 90472 KB Output is correct
97 Correct 198 ms 90472 KB Output is correct
98 Correct 203 ms 90596 KB Output is correct
99 Correct 199 ms 90472 KB Output is correct
100 Correct 198 ms 90468 KB Output is correct
101 Correct 204 ms 90524 KB Output is correct
102 Correct 211 ms 90472 KB Output is correct