oj.uz

Submission #204071

# Submission time Handle Problem Language Result Execution time Memory
204071 2020-02-24T07:32:31 Z ics0503 Lamps (JOI19_lamps) C++17
100 / 100
 68 ms 16120 KB 
#include<stdio.h>
int D[1212121][3];
char a[1212121], b[1212121];
int min(int a, int b) { if (a < b)return a; return b; }
int get(char a, int tp) {
	if (tp == 0)return '0';
	if (tp == 1)return '1';
	return a;
}
int main() {
	int n; scanf("%d%s%s", &n, a + 1, b + 1);
	int i, j, k;
	D[0][0] = D[0][1] = 1e9; D[0][2] = 0;
	for (i = 1; i <= n; i++) {
		for (j = 0; j < 3; j++) {
			D[i][j] = 1e9;
			for (k = 0; k < 3; k++) {
				D[i][j] = min(D[i][j], D[i - 1][k] 
					+ (j != 2 && j != k)
					+ ((i==1 || get(a[i - 1], k) == b[i - 1]) && get(a[i], j) != b[i]));
			}
		}
	}
	int ans = 1e9;
	for (i = 0; i < 3; i++)ans = min(ans, D[n][i]);
	printf("%d", ans);
	return 0;
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int n; scanf("%d%s%s", &n, a + 1, b + 1);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 128 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 4 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 4 ms 256 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 256 KB Output is correct
29 Correct 4 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 256 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 256 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 128 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 4 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 4 ms 256 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 256 KB Output is correct
29 Correct 4 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 256 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 256 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 380 KB Output is correct
44 Correct 5 ms 380 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 380 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 376 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 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 4 ms 256 KB Output is correct
6 Correct 5 ms 256 KB Output is correct
7 Correct 54 ms 14312 KB Output is correct
8 Correct 53 ms 14200 KB Output is correct
9 Correct 49 ms 14240 KB Output is correct
10 Correct 51 ms 14200 KB Output is correct
11 Correct 51 ms 14256 KB Output is correct
12 Correct 49 ms 14200 KB Output is correct
13 Correct 51 ms 14304 KB Output is correct
14 Correct 50 ms 14200 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 128 KB Output is correct
3 Correct 4 ms 256 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 256 KB Output is correct
9 Correct 5 ms 504 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 4 ms 376 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 4 ms 256 KB Output is correct
22 Correct 5 ms 256 KB Output is correct
23 Correct 5 ms 256 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 5 ms 256 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 256 KB Output is correct
29 Correct 4 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 256 KB Output is correct
33 Correct 5 ms 256 KB Output is correct
34 Correct 5 ms 256 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 380 KB Output is correct
44 Correct 5 ms 380 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 380 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 376 KB Output is correct
59 Correct 5 ms 256 KB Output is correct
60 Correct 4 ms 256 KB Output is correct
61 Correct 5 ms 256 KB Output is correct
62 Correct 5 ms 256 KB Output is correct
63 Correct 4 ms 256 KB Output is correct
64 Correct 5 ms 256 KB Output is correct
65 Correct 54 ms 14312 KB Output is correct
66 Correct 53 ms 14200 KB Output is correct
67 Correct 49 ms 14240 KB Output is correct
68 Correct 51 ms 14200 KB Output is correct
69 Correct 51 ms 14256 KB Output is correct
70 Correct 49 ms 14200 KB Output is correct
71 Correct 51 ms 14304 KB Output is correct
72 Correct 50 ms 14200 KB Output is correct
73 Correct 54 ms 15992 KB Output is correct
74 Correct 52 ms 15992 KB Output is correct
75 Correct 52 ms 15992 KB Output is correct
76 Correct 47 ms 16120 KB Output is correct
77 Correct 51 ms 15936 KB Output is correct
78 Correct 51 ms 15992 KB Output is correct
79 Correct 53 ms 15992 KB Output is correct
80 Correct 50 ms 15992 KB Output is correct
81 Correct 50 ms 15992 KB Output is correct
82 Correct 50 ms 15992 KB Output is correct
83 Correct 54 ms 15992 KB Output is correct
84 Correct 55 ms 15992 KB Output is correct
85 Correct 60 ms 15972 KB Output is correct
86 Correct 54 ms 15992 KB Output is correct
87 Correct 56 ms 15992 KB Output is correct
88 Correct 56 ms 15992 KB Output is correct
89 Correct 56 ms 15992 KB Output is correct
90 Correct 56 ms 15992 KB Output is correct
91 Correct 60 ms 15992 KB Output is correct
92 Correct 61 ms 15992 KB Output is correct
93 Correct 63 ms 16028 KB Output is correct
94 Correct 61 ms 15992 KB Output is correct
95 Correct 61 ms 15992 KB Output is correct
96 Correct 68 ms 15968 KB Output is correct
97 Correct 63 ms 15992 KB Output is correct
98 Correct 62 ms 15940 KB Output is correct
99 Correct 63 ms 15992 KB Output is correct
100 Correct 60 ms 15992 KB Output is correct
101 Correct 60 ms 15992 KB Output is correct
102 Correct 61 ms 15992 KB Output is correct