oj.uz

Submission #917323

# Submission time Handle Problem Language Result Execution time Memory
917323 2024-01-27T19:53:18 Z amirhoseinfar1385 Lamps (JOI19_lamps) C++17
100 / 100
 36 ms 28020 KB 
#include<bits/stdc++.h>
using namespace std;
const int maxn=1000000+10;
int dp[maxn][2][3],inf=maxn+10;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n;
	string s,ss;
	cin>>n>>s>>ss;
	for(int i=0;i<2;i++){
		for(int j=0;j<3;j++){
			dp[0][i][j]=inf;
		}
	}
	dp[0][0][2]=0;
	for(int ind=1;ind<=n;ind++){
		for(int i=0;i<2;i++){
			for(int j=0;j<2;j++){
				dp[ind][i][j]=min(dp[ind-1][i^1][j]+(i==1),min(dp[ind-1][i^1][j^1]+(i==1),dp[ind-1][i^1][2]+(i==1))+1);
				dp[ind][i][j]=min(dp[ind][i][j],min(dp[ind-1][i][j],min(dp[ind-1][i][j^1],dp[ind-1][i][2])+1));	
			}
			dp[ind][i][2]=min(dp[ind-1][i][0],min(dp[ind-1][i][1],dp[ind-1][i][2]));
			dp[ind][i][2]=min(dp[ind][i][2],min(dp[ind-1][i^1][0],min(dp[ind-1][i^1][1],dp[ind-1][i^1][2]))+(i==1));
		}
		if(s[ind-1]==ss[ind-1]){
			dp[ind][0][(s[ind-1]-'0')^1]=inf;
			dp[ind][1][(s[ind-1]-'0')]=inf;
			dp[ind][1][2]=inf;
		}
		else{
			dp[ind][0][(s[ind-1]-'0')]=inf;
			dp[ind][0][2]=inf;
			dp[ind][1][(s[ind-1]-'0')^1]=inf;
		}
//		cout<<"injy: "<<ind<<"\n";
//		for(int i=0;i<2;i++){
//			for(int j=0;j<3;j++){
//				cout<<dp[ind][i][j]<<" ";
//			}
//			cout<<"\n";
//		}
//		cout<<"\n";
	}
	long long res=min(dp[n][0][0],min(dp[n][0][1],min(dp[n][0][2],min(dp[n][1][0],min(dp[n][1][1],dp[n][1][2])))));
	cout<<res<<"\n";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 720 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 28 ms 25812 KB Output is correct
8 Correct 29 ms 26024 KB Output is correct
9 Correct 29 ms 26032 KB Output is correct
10 Correct 29 ms 25904 KB Output is correct
11 Correct 30 ms 26032 KB Output is correct
12 Correct 27 ms 25824 KB Output is correct
13 Correct 27 ms 26024 KB Output is correct
14 Correct 31 ms 26020 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 720 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 1 ms 344 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 344 KB Output is correct
65 Correct 28 ms 25812 KB Output is correct
66 Correct 29 ms 26024 KB Output is correct
67 Correct 29 ms 26032 KB Output is correct
68 Correct 29 ms 25904 KB Output is correct
69 Correct 30 ms 26032 KB Output is correct
70 Correct 27 ms 25824 KB Output is correct
71 Correct 27 ms 26024 KB Output is correct
72 Correct 31 ms 26020 KB Output is correct
73 Correct 26 ms 27752 KB Output is correct
74 Correct 31 ms 27808 KB Output is correct
75 Correct 30 ms 27748 KB Output is correct
76 Correct 29 ms 27808 KB Output is correct
77 Correct 30 ms 27744 KB Output is correct
78 Correct 29 ms 27880 KB Output is correct
79 Correct 31 ms 27912 KB Output is correct
80 Correct 29 ms 27756 KB Output is correct
81 Correct 30 ms 27816 KB Output is correct
82 Correct 29 ms 27808 KB Output is correct
83 Correct 31 ms 27744 KB Output is correct
84 Correct 30 ms 27772 KB Output is correct
85 Correct 31 ms 27964 KB Output is correct
86 Correct 31 ms 27804 KB Output is correct
87 Correct 31 ms 27976 KB Output is correct
88 Correct 32 ms 27812 KB Output is correct
89 Correct 33 ms 27808 KB Output is correct
90 Correct 32 ms 27876 KB Output is correct
91 Correct 35 ms 28020 KB Output is correct
92 Correct 35 ms 27808 KB Output is correct
93 Correct 33 ms 27740 KB Output is correct
94 Correct 34 ms 27776 KB Output is correct
95 Correct 35 ms 27808 KB Output is correct
96 Correct 34 ms 27808 KB Output is correct
97 Correct 33 ms 27804 KB Output is correct
98 Correct 33 ms 27812 KB Output is correct
99 Correct 34 ms 27988 KB Output is correct
100 Correct 34 ms 27816 KB Output is correct
101 Correct 36 ms 27748 KB Output is correct
102 Correct 34 ms 27816 KB Output is correct