#include<stdio.h>
#include<algorithm>
using namespace std;
#define MAXN 1000005
const int INF=MAXN;
char A[MAXN], B[MAXN];
int dp[MAXN][5], c[MAXN][5];
int main(){
int N;
int a[5][5]={{0, 0, 0, 0, 0}, {1, 0, 1, 0, 0}, {1, 1, 0, 0, 0}, {2, 1, 1, 0, 1}, {2, 1, 1, 1, 0}};
int ans=INF;
//freopen("input.txt", "r", stdin);
scanf("%d\n%s\n%s", &N, A, B);
for(int i=0; i<N; i++){
c[i][0]=A[i]==B[i]?0:1;
c[i][1]=c[i][4]=B[i]=='0'?0:1;
c[i][2]=c[i][3]=B[i]=='1'?0:1;
}
for(int i=0; i<5; i++) dp[0][i]=a[i][0]+c[0][i];
for(int i=1; i<N; i++) for(int j=0; j<5; j++){
dp[i][j]=INF;
for(int k=0; k<5; k++) dp[i][j]=min(dp[i][j], dp[i-1][k]+a[j][k]+(c[i][j]-c[i-1][k]==1?1:0));
}
for(int i=0; i<5; i++) ans=min(ans, dp[N-1][i]);
printf("%d", ans);
return 0;
}
Compilation message
lamp.cpp: In function 'int main()':
lamp.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d\n%s\n%s", &N, A, B);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
256 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
256 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
35 |
Correct |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
384 KB |
Output is correct |
43 |
Correct |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
2 ms |
384 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
2 ms |
384 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
3 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
3 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
384 KB |
Output is correct |
57 |
Correct |
2 ms |
384 KB |
Output is correct |
58 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
6 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
256 KB |
Output is correct |
7 |
Correct |
82 ms |
43384 KB |
Output is correct |
8 |
Correct |
83 ms |
43388 KB |
Output is correct |
9 |
Correct |
86 ms |
43356 KB |
Output is correct |
10 |
Correct |
82 ms |
43384 KB |
Output is correct |
11 |
Correct |
84 ms |
43356 KB |
Output is correct |
12 |
Correct |
80 ms |
43384 KB |
Output is correct |
13 |
Correct |
80 ms |
43384 KB |
Output is correct |
14 |
Correct |
79 ms |
43384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
3 ms |
384 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
2 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
256 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
256 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
2 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
256 KB |
Output is correct |
19 |
Correct |
2 ms |
256 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
256 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
256 KB |
Output is correct |
24 |
Correct |
2 ms |
256 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
2 ms |
384 KB |
Output is correct |
29 |
Correct |
2 ms |
384 KB |
Output is correct |
30 |
Correct |
2 ms |
384 KB |
Output is correct |
31 |
Correct |
2 ms |
256 KB |
Output is correct |
32 |
Correct |
2 ms |
256 KB |
Output is correct |
33 |
Correct |
2 ms |
384 KB |
Output is correct |
34 |
Correct |
2 ms |
384 KB |
Output is correct |
35 |
Correct |
2 ms |
384 KB |
Output is correct |
36 |
Correct |
2 ms |
384 KB |
Output is correct |
37 |
Correct |
2 ms |
384 KB |
Output is correct |
38 |
Correct |
2 ms |
384 KB |
Output is correct |
39 |
Correct |
2 ms |
384 KB |
Output is correct |
40 |
Correct |
2 ms |
384 KB |
Output is correct |
41 |
Correct |
2 ms |
384 KB |
Output is correct |
42 |
Correct |
2 ms |
384 KB |
Output is correct |
43 |
Correct |
2 ms |
384 KB |
Output is correct |
44 |
Correct |
2 ms |
384 KB |
Output is correct |
45 |
Correct |
2 ms |
384 KB |
Output is correct |
46 |
Correct |
2 ms |
384 KB |
Output is correct |
47 |
Correct |
2 ms |
384 KB |
Output is correct |
48 |
Correct |
2 ms |
384 KB |
Output is correct |
49 |
Correct |
2 ms |
384 KB |
Output is correct |
50 |
Correct |
2 ms |
384 KB |
Output is correct |
51 |
Correct |
2 ms |
384 KB |
Output is correct |
52 |
Correct |
2 ms |
384 KB |
Output is correct |
53 |
Correct |
3 ms |
384 KB |
Output is correct |
54 |
Correct |
2 ms |
384 KB |
Output is correct |
55 |
Correct |
3 ms |
384 KB |
Output is correct |
56 |
Correct |
2 ms |
384 KB |
Output is correct |
57 |
Correct |
2 ms |
384 KB |
Output is correct |
58 |
Correct |
2 ms |
384 KB |
Output is correct |
59 |
Correct |
2 ms |
256 KB |
Output is correct |
60 |
Correct |
2 ms |
384 KB |
Output is correct |
61 |
Correct |
6 ms |
384 KB |
Output is correct |
62 |
Correct |
2 ms |
384 KB |
Output is correct |
63 |
Correct |
2 ms |
384 KB |
Output is correct |
64 |
Correct |
1 ms |
256 KB |
Output is correct |
65 |
Correct |
82 ms |
43384 KB |
Output is correct |
66 |
Correct |
83 ms |
43388 KB |
Output is correct |
67 |
Correct |
86 ms |
43356 KB |
Output is correct |
68 |
Correct |
82 ms |
43384 KB |
Output is correct |
69 |
Correct |
84 ms |
43356 KB |
Output is correct |
70 |
Correct |
80 ms |
43384 KB |
Output is correct |
71 |
Correct |
80 ms |
43384 KB |
Output is correct |
72 |
Correct |
79 ms |
43384 KB |
Output is correct |
73 |
Correct |
79 ms |
43384 KB |
Output is correct |
74 |
Correct |
79 ms |
43336 KB |
Output is correct |
75 |
Correct |
80 ms |
43384 KB |
Output is correct |
76 |
Correct |
79 ms |
43384 KB |
Output is correct |
77 |
Correct |
81 ms |
43512 KB |
Output is correct |
78 |
Correct |
79 ms |
43384 KB |
Output is correct |
79 |
Correct |
79 ms |
43360 KB |
Output is correct |
80 |
Correct |
84 ms |
43388 KB |
Output is correct |
81 |
Correct |
84 ms |
43384 KB |
Output is correct |
82 |
Correct |
79 ms |
43384 KB |
Output is correct |
83 |
Correct |
78 ms |
43384 KB |
Output is correct |
84 |
Correct |
80 ms |
43312 KB |
Output is correct |
85 |
Correct |
82 ms |
43384 KB |
Output is correct |
86 |
Correct |
82 ms |
43384 KB |
Output is correct |
87 |
Correct |
79 ms |
43384 KB |
Output is correct |
88 |
Correct |
86 ms |
43368 KB |
Output is correct |
89 |
Correct |
82 ms |
43384 KB |
Output is correct |
90 |
Correct |
84 ms |
43384 KB |
Output is correct |
91 |
Correct |
83 ms |
43384 KB |
Output is correct |
92 |
Correct |
83 ms |
43360 KB |
Output is correct |
93 |
Correct |
83 ms |
43372 KB |
Output is correct |
94 |
Correct |
84 ms |
43452 KB |
Output is correct |
95 |
Correct |
84 ms |
43384 KB |
Output is correct |
96 |
Correct |
82 ms |
43384 KB |
Output is correct |
97 |
Correct |
84 ms |
43356 KB |
Output is correct |
98 |
Correct |
79 ms |
43384 KB |
Output is correct |
99 |
Correct |
81 ms |
43356 KB |
Output is correct |
100 |
Correct |
85 ms |
43384 KB |
Output is correct |
101 |
Correct |
85 ms |
43384 KB |
Output is correct |
102 |
Correct |
83 ms |
43384 KB |
Output is correct |