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Submission #157040

# Submission time Handle Problem Language Result Execution time Memory
157040 2019-10-09T08:37:49 Z HungAnhGoldIBO2020 Lamps (JOI19_lamps) C++14
100 / 100
 108 ms 63132 KB 
#include<iostream>
using namespace std;
const int N=1e6+2;
const int inf=1e9+7;
int dp[N][5][3];
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n,i,j,k,l,m,z;
	string a,b;
	cin>>n>>a>>b;
	a=" "+a;
	b=" "+b;
	for(j=0;j<3;j++){
		for(k=0;k<2;k++){
			dp[0][j][k]=inf;
		}
	}
	dp[0][0][0]=0;
	for(i=1;i<=n;i++){
		for(j=0;j<3;j++){
			for(k=0;k<2;k++){
				dp[i][j][k]=inf;
				if(j>0){
					z=j-1;
				}
				else{
					z=(int)(a[i]-'0');
				}
				if(k){
					z=1-z;
				}
				if(z!=(int)(b[i]-'0')){
					continue;
				}
				for(l=0;l<3;l++){
					for(m=0;m<2;m++){
						z=0;
						if(j>0&&j!=l){
							z++;
						}
						if(k==1&&m==0){
							z++;
						}
						dp[i][j][k]=min(dp[i][j][k],dp[i-1][l][m]+z);
					}
				}
		//		cout<<dp[i][j][k]<<' '<<i<<' '<<j<<' '<<k<<endl;
			}
		}
	}
	for(j=0;j<3;j++){
		for(k=0;k<2;k++){
			dp[n][0][0]=min(dp[n][0][0],dp[n][j][k]);
		}
	}
	cout<<dp[n][0][0];
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 420 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 420 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 504 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 504 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 2 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 2 ms 504 KB Output is correct
46 Correct 2 ms 504 KB Output is correct
47 Correct 3 ms 504 KB Output is correct
48 Correct 3 ms 504 KB Output is correct
49 Correct 3 ms 504 KB Output is correct
50 Correct 3 ms 504 KB Output is correct
51 Correct 3 ms 504 KB Output is correct
52 Correct 2 ms 504 KB Output is correct
53 Correct 3 ms 504 KB Output is correct
54 Correct 3 ms 504 KB Output is correct
55 Correct 3 ms 504 KB Output is correct
56 Correct 2 ms 504 KB Output is correct
57 Correct 2 ms 504 KB Output is correct
58 Correct 2 ms 504 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 372 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 97 ms 63008 KB Output is correct
8 Correct 96 ms 62936 KB Output is correct
9 Correct 95 ms 63008 KB Output is correct
10 Correct 95 ms 63000 KB Output is correct
11 Correct 96 ms 63008 KB Output is correct
12 Correct 95 ms 63008 KB Output is correct
13 Correct 95 ms 62996 KB Output is correct
14 Correct 95 ms 63000 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 420 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 504 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 3 ms 504 KB Output is correct
40 Correct 3 ms 504 KB Output is correct
41 Correct 2 ms 504 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 2 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 2 ms 504 KB Output is correct
46 Correct 2 ms 504 KB Output is correct
47 Correct 3 ms 504 KB Output is correct
48 Correct 3 ms 504 KB Output is correct
49 Correct 3 ms 504 KB Output is correct
50 Correct 3 ms 504 KB Output is correct
51 Correct 3 ms 504 KB Output is correct
52 Correct 2 ms 504 KB Output is correct
53 Correct 3 ms 504 KB Output is correct
54 Correct 3 ms 504 KB Output is correct
55 Correct 3 ms 504 KB Output is correct
56 Correct 2 ms 504 KB Output is correct
57 Correct 2 ms 504 KB Output is correct
58 Correct 2 ms 504 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 372 KB Output is correct
61 Correct 2 ms 376 KB Output is correct
62 Correct 2 ms 376 KB Output is correct
63 Correct 2 ms 380 KB Output is correct
64 Correct 2 ms 376 KB Output is correct
65 Correct 97 ms 63008 KB Output is correct
66 Correct 96 ms 62936 KB Output is correct
67 Correct 95 ms 63008 KB Output is correct
68 Correct 95 ms 63000 KB Output is correct
69 Correct 96 ms 63008 KB Output is correct
70 Correct 95 ms 63008 KB Output is correct
71 Correct 95 ms 62996 KB Output is correct
72 Correct 95 ms 63000 KB Output is correct
73 Correct 95 ms 63092 KB Output is correct
74 Correct 96 ms 63060 KB Output is correct
75 Correct 103 ms 63132 KB Output is correct
76 Correct 106 ms 63036 KB Output is correct
77 Correct 106 ms 62932 KB Output is correct
78 Correct 105 ms 62884 KB Output is correct
79 Correct 101 ms 62956 KB Output is correct
80 Correct 95 ms 63008 KB Output is correct
81 Correct 96 ms 63000 KB Output is correct
82 Correct 96 ms 63004 KB Output is correct
83 Correct 101 ms 63008 KB Output is correct
84 Correct 104 ms 63048 KB Output is correct
85 Correct 103 ms 63008 KB Output is correct
86 Correct 102 ms 63008 KB Output is correct
87 Correct 102 ms 63020 KB Output is correct
88 Correct 102 ms 62920 KB Output is correct
89 Correct 102 ms 63008 KB Output is correct
90 Correct 103 ms 63004 KB Output is correct
91 Correct 105 ms 62988 KB Output is correct
92 Correct 105 ms 62964 KB Output is correct
93 Correct 108 ms 63004 KB Output is correct
94 Correct 106 ms 62908 KB Output is correct
95 Correct 106 ms 63004 KB Output is correct
96 Correct 106 ms 63000 KB Output is correct
97 Correct 106 ms 63004 KB Output is correct
98 Correct 106 ms 63000 KB Output is correct
99 Correct 107 ms 63004 KB Output is correct
100 Correct 107 ms 62972 KB Output is correct
101 Correct 107 ms 63060 KB Output is correct
102 Correct 108 ms 62924 KB Output is correct