oj.uz

Submission #105081

# Submission time Handle Problem Language Result Execution time Memory
105081 2019-04-10T13:49:52 Z Just_Solve_The_Problem Lamps (JOI19_lamps) C++11
100 / 100
 155 ms 16636 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = (int)1e6 + 7;

string a, b;
int n;
int dp[N][3];
/*
dp[pos][operation]
operation
0 = off
1 = on
2 = do not touch
*/

char make(char c, int i) {
	if (i < 2) return i + '0';
	return c;
}

main() {
	memset(dp, 63, sizeof dp);
	scanf("%d", &n);
	cin >> a >> b;
	a = " " + a;
	b = " " + b;
	dp[0][2] = 0;
	int cost;
	for (int i = 1; i <= n; i++) {
		for (int j = 0; j < 3; j++) {
			for (int l = 0; l < 3; l++) {
				cost = dp[i - 1][j];
				if (j != l && l != 2)
					cost++;
				if ((i == 1 || make(a[i - 1], j) == b[i - 1]) && make(a[i], l) != b[i])
					cost++;
				dp[i][l] = min(dp[i][l], cost);
			}
		}
	}
	printf("%d\n", min(dp[n][0], min(dp[n][1], dp[n][2])));
}

Compilation message

lamp.cpp:23:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
lamp.cpp: In function 'int main()':
lamp.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12032 KB Output is correct
2 Correct 14 ms 12028 KB Output is correct
3 Correct 13 ms 12000 KB Output is correct
4 Correct 13 ms 12032 KB Output is correct
5 Correct 15 ms 12032 KB Output is correct
6 Correct 13 ms 12072 KB Output is correct
7 Correct 13 ms 12104 KB Output is correct
8 Correct 12 ms 12020 KB Output is correct
9 Correct 13 ms 12040 KB Output is correct
10 Correct 12 ms 12032 KB Output is correct
11 Correct 14 ms 12032 KB Output is correct
12 Correct 12 ms 12004 KB Output is correct
13 Correct 13 ms 12004 KB Output is correct
14 Correct 15 ms 12060 KB Output is correct
15 Correct 9 ms 12032 KB Output is correct
16 Correct 11 ms 12032 KB Output is correct
17 Correct 13 ms 12032 KB Output is correct
18 Correct 13 ms 12032 KB Output is correct
19 Correct 12 ms 12032 KB Output is correct
20 Correct 13 ms 12004 KB Output is correct
21 Correct 15 ms 12004 KB Output is correct
22 Correct 15 ms 12032 KB Output is correct
23 Correct 22 ms 12176 KB Output is correct
24 Correct 13 ms 12032 KB Output is correct
25 Correct 15 ms 12004 KB Output is correct
26 Correct 14 ms 12024 KB Output is correct
27 Correct 12 ms 12080 KB Output is correct
28 Correct 12 ms 12032 KB Output is correct
29 Correct 13 ms 11988 KB Output is correct
30 Correct 13 ms 12032 KB Output is correct
31 Correct 14 ms 12004 KB Output is correct
32 Correct 14 ms 12032 KB Output is correct
33 Correct 13 ms 12004 KB Output is correct
34 Correct 15 ms 12032 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12032 KB Output is correct
2 Correct 14 ms 12028 KB Output is correct
3 Correct 13 ms 12000 KB Output is correct
4 Correct 13 ms 12032 KB Output is correct
5 Correct 15 ms 12032 KB Output is correct
6 Correct 13 ms 12072 KB Output is correct
7 Correct 13 ms 12104 KB Output is correct
8 Correct 12 ms 12020 KB Output is correct
9 Correct 13 ms 12040 KB Output is correct
10 Correct 12 ms 12032 KB Output is correct
11 Correct 14 ms 12032 KB Output is correct
12 Correct 12 ms 12004 KB Output is correct
13 Correct 13 ms 12004 KB Output is correct
14 Correct 15 ms 12060 KB Output is correct
15 Correct 9 ms 12032 KB Output is correct
16 Correct 11 ms 12032 KB Output is correct
17 Correct 13 ms 12032 KB Output is correct
18 Correct 13 ms 12032 KB Output is correct
19 Correct 12 ms 12032 KB Output is correct
20 Correct 13 ms 12004 KB Output is correct
21 Correct 15 ms 12004 KB Output is correct
22 Correct 15 ms 12032 KB Output is correct
23 Correct 22 ms 12176 KB Output is correct
24 Correct 13 ms 12032 KB Output is correct
25 Correct 15 ms 12004 KB Output is correct
26 Correct 14 ms 12024 KB Output is correct
27 Correct 12 ms 12080 KB Output is correct
28 Correct 12 ms 12032 KB Output is correct
29 Correct 13 ms 11988 KB Output is correct
30 Correct 13 ms 12032 KB Output is correct
31 Correct 14 ms 12004 KB Output is correct
32 Correct 14 ms 12032 KB Output is correct
33 Correct 13 ms 12004 KB Output is correct
34 Correct 15 ms 12032 KB Output is correct
35 Correct 13 ms 12032 KB Output is correct
36 Correct 14 ms 12032 KB Output is correct
37 Correct 14 ms 12032 KB Output is correct
38 Correct 14 ms 12032 KB Output is correct
39 Correct 12 ms 12004 KB Output is correct
40 Correct 10 ms 12084 KB Output is correct
41 Correct 14 ms 12096 KB Output is correct
42 Correct 13 ms 12032 KB Output is correct
43 Correct 14 ms 12004 KB Output is correct
44 Correct 12 ms 12096 KB Output is correct
45 Correct 14 ms 12032 KB Output is correct
46 Correct 15 ms 12032 KB Output is correct
47 Correct 16 ms 12112 KB Output is correct
48 Correct 12 ms 12032 KB Output is correct
49 Correct 14 ms 12032 KB Output is correct
50 Correct 12 ms 12032 KB Output is correct
51 Correct 14 ms 12032 KB Output is correct
52 Correct 13 ms 12032 KB Output is correct
53 Correct 14 ms 12032 KB Output is correct
54 Correct 14 ms 12032 KB Output is correct
55 Correct 13 ms 11904 KB Output is correct
56 Correct 14 ms 12032 KB Output is correct
57 Correct 14 ms 12044 KB Output is correct
58 Correct 15 ms 12032 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 12032 KB Output is correct
2 Correct 13 ms 12032 KB Output is correct
3 Correct 15 ms 12004 KB Output is correct
4 Correct 15 ms 12032 KB Output is correct
5 Correct 14 ms 12032 KB Output is correct
6 Correct 15 ms 12000 KB Output is correct
7 Correct 129 ms 16596 KB Output is correct
8 Correct 128 ms 16448 KB Output is correct
9 Correct 121 ms 16488 KB Output is correct
10 Correct 113 ms 16460 KB Output is correct
11 Correct 118 ms 16492 KB Output is correct
12 Correct 128 ms 16636 KB Output is correct
13 Correct 129 ms 16524 KB Output is correct
14 Correct 113 ms 16488 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 12032 KB Output is correct
2 Correct 14 ms 12028 KB Output is correct
3 Correct 13 ms 12000 KB Output is correct
4 Correct 13 ms 12032 KB Output is correct
5 Correct 15 ms 12032 KB Output is correct
6 Correct 13 ms 12072 KB Output is correct
7 Correct 13 ms 12104 KB Output is correct
8 Correct 12 ms 12020 KB Output is correct
9 Correct 13 ms 12040 KB Output is correct
10 Correct 12 ms 12032 KB Output is correct
11 Correct 14 ms 12032 KB Output is correct
12 Correct 12 ms 12004 KB Output is correct
13 Correct 13 ms 12004 KB Output is correct
14 Correct 15 ms 12060 KB Output is correct
15 Correct 9 ms 12032 KB Output is correct
16 Correct 11 ms 12032 KB Output is correct
17 Correct 13 ms 12032 KB Output is correct
18 Correct 13 ms 12032 KB Output is correct
19 Correct 12 ms 12032 KB Output is correct
20 Correct 13 ms 12004 KB Output is correct
21 Correct 15 ms 12004 KB Output is correct
22 Correct 15 ms 12032 KB Output is correct
23 Correct 22 ms 12176 KB Output is correct
24 Correct 13 ms 12032 KB Output is correct
25 Correct 15 ms 12004 KB Output is correct
26 Correct 14 ms 12024 KB Output is correct
27 Correct 12 ms 12080 KB Output is correct
28 Correct 12 ms 12032 KB Output is correct
29 Correct 13 ms 11988 KB Output is correct
30 Correct 13 ms 12032 KB Output is correct
31 Correct 14 ms 12004 KB Output is correct
32 Correct 14 ms 12032 KB Output is correct
33 Correct 13 ms 12004 KB Output is correct
34 Correct 15 ms 12032 KB Output is correct
35 Correct 13 ms 12032 KB Output is correct
36 Correct 14 ms 12032 KB Output is correct
37 Correct 14 ms 12032 KB Output is correct
38 Correct 14 ms 12032 KB Output is correct
39 Correct 12 ms 12004 KB Output is correct
40 Correct 10 ms 12084 KB Output is correct
41 Correct 14 ms 12096 KB Output is correct
42 Correct 13 ms 12032 KB Output is correct
43 Correct 14 ms 12004 KB Output is correct
44 Correct 12 ms 12096 KB Output is correct
45 Correct 14 ms 12032 KB Output is correct
46 Correct 15 ms 12032 KB Output is correct
47 Correct 16 ms 12112 KB Output is correct
48 Correct 12 ms 12032 KB Output is correct
49 Correct 14 ms 12032 KB Output is correct
50 Correct 12 ms 12032 KB Output is correct
51 Correct 14 ms 12032 KB Output is correct
52 Correct 13 ms 12032 KB Output is correct
53 Correct 14 ms 12032 KB Output is correct
54 Correct 14 ms 12032 KB Output is correct
55 Correct 13 ms 11904 KB Output is correct
56 Correct 14 ms 12032 KB Output is correct
57 Correct 14 ms 12044 KB Output is correct
58 Correct 15 ms 12032 KB Output is correct
59 Correct 13 ms 12032 KB Output is correct
60 Correct 13 ms 12032 KB Output is correct
61 Correct 15 ms 12004 KB Output is correct
62 Correct 15 ms 12032 KB Output is correct
63 Correct 14 ms 12032 KB Output is correct
64 Correct 15 ms 12000 KB Output is correct
65 Correct 129 ms 16596 KB Output is correct
66 Correct 128 ms 16448 KB Output is correct
67 Correct 121 ms 16488 KB Output is correct
68 Correct 113 ms 16460 KB Output is correct
69 Correct 118 ms 16492 KB Output is correct
70 Correct 128 ms 16636 KB Output is correct
71 Correct 129 ms 16524 KB Output is correct
72 Correct 113 ms 16488 KB Output is correct
73 Correct 112 ms 16556 KB Output is correct
74 Correct 119 ms 16492 KB Output is correct
75 Correct 115 ms 16488 KB Output is correct
76 Correct 106 ms 16488 KB Output is correct
77 Correct 108 ms 16616 KB Output is correct
78 Correct 124 ms 16448 KB Output is correct
79 Correct 121 ms 16516 KB Output is correct
80 Correct 109 ms 16488 KB Output is correct
81 Correct 114 ms 16488 KB Output is correct
82 Correct 120 ms 16492 KB Output is correct
83 Correct 109 ms 16488 KB Output is correct
84 Correct 121 ms 16488 KB Output is correct
85 Correct 147 ms 16436 KB Output is correct
86 Correct 120 ms 16488 KB Output is correct
87 Correct 155 ms 16492 KB Output is correct
88 Correct 117 ms 16488 KB Output is correct
89 Correct 131 ms 16588 KB Output is correct
90 Correct 128 ms 16464 KB Output is correct
91 Correct 125 ms 16484 KB Output is correct
92 Correct 113 ms 16484 KB Output is correct
93 Correct 124 ms 16408 KB Output is correct
94 Correct 132 ms 16508 KB Output is correct
95 Correct 141 ms 16488 KB Output is correct
96 Correct 134 ms 16488 KB Output is correct
97 Correct 129 ms 16500 KB Output is correct
98 Correct 124 ms 16456 KB Output is correct
99 Correct 122 ms 16408 KB Output is correct
100 Correct 132 ms 16456 KB Output is correct
101 Correct 131 ms 16468 KB Output is correct
102 Correct 136 ms 16488 KB Output is correct