oj.uz

Submission #329729

# Submission time Handle Problem Language Result Execution time Memory
329729 2020-11-22T08:48:50 Z Rainbowbunny Lamps (JOI19_lamps) C++17
100 / 100
 118 ms 35888 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
string c, d;
int cost[6][6];
int a[1000005], b[1000005];
int dp[1000005][6];
int ans = 1e9;

int main()
{
	for(int i = 0; i < 6; i++)
	{
		for(int j = 0; j < 6; j++)
		{
			if(i / 2 != j / 2 && j / 2 != 0)
			{
				++cost[i][j];
			}
			if(i % 2 != j % 2 && j % 2 != 0)
			{
				++cost[i][j];
			}
		}
	}
	cin >> n >> c >> d;
	for(int i = 1; i <= n; i++)
	{
		a[i] = c[i - 1] - '0';
		b[i] = d[i - 1] - '0';
	}
	for(int i = 1; i <= 5; i++)
	{
		dp[0][i] = 1e9;
	}
	for(int i = 1; i <= n; i++)
	{
		for(int j = 0; j < 6; j++)
		{
			dp[i][j] = 1e9;
			int cur = a[i];
			if(j / 2 == 1)
			{
				cur = 0;
			}
			else if(j / 2 == 2)
			{
				cur = 1;
			}
			if(cur ^ (j & 1) == b[i])
			{
				for(int k = 0; k < 6; k++)
				{
					dp[i][j] = min(dp[i][j], dp[i - 1][k] + cost[k][j]);
				}
			}
		}
	}
	for(int i = 0; i < 6; i++)
	{
		ans = min(ans, dp[n][i]);
	}
	cout << ans;
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:51:21: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   51 |    if(cur ^ (j & 1) == b[i])
      |             ~~~~~~~~^~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 380 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 380 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 2 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 384 KB Output is correct
58 Correct 1 ms 364 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 100 ms 35676 KB Output is correct
8 Correct 100 ms 35696 KB Output is correct
9 Correct 90 ms 35676 KB Output is correct
10 Correct 90 ms 35680 KB Output is correct
11 Correct 91 ms 35732 KB Output is correct
12 Correct 89 ms 35676 KB Output is correct
13 Correct 110 ms 35676 KB Output is correct
14 Correct 95 ms 35680 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 380 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 384 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 2 ms 364 KB Output is correct
43 Correct 1 ms 364 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 384 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 364 KB Output is correct
64 Correct 1 ms 512 KB Output is correct
65 Correct 100 ms 35676 KB Output is correct
66 Correct 100 ms 35696 KB Output is correct
67 Correct 90 ms 35676 KB Output is correct
68 Correct 90 ms 35680 KB Output is correct
69 Correct 91 ms 35732 KB Output is correct
70 Correct 89 ms 35676 KB Output is correct
71 Correct 110 ms 35676 KB Output is correct
72 Correct 95 ms 35680 KB Output is correct
73 Correct 92 ms 35676 KB Output is correct
74 Correct 93 ms 35852 KB Output is correct
75 Correct 110 ms 35676 KB Output is correct
76 Correct 91 ms 35676 KB Output is correct
77 Correct 91 ms 35676 KB Output is correct
78 Correct 91 ms 35824 KB Output is correct
79 Correct 90 ms 35676 KB Output is correct
80 Correct 110 ms 35676 KB Output is correct
81 Correct 92 ms 35676 KB Output is correct
82 Correct 91 ms 35676 KB Output is correct
83 Correct 100 ms 35676 KB Output is correct
84 Correct 113 ms 35700 KB Output is correct
85 Correct 111 ms 35676 KB Output is correct
86 Correct 101 ms 35708 KB Output is correct
87 Correct 97 ms 35676 KB Output is correct
88 Correct 96 ms 35676 KB Output is correct
89 Correct 118 ms 35888 KB Output is correct
90 Correct 96 ms 35676 KB Output is correct
91 Correct 112 ms 35696 KB Output is correct
92 Correct 103 ms 35704 KB Output is correct
93 Correct 99 ms 35676 KB Output is correct
94 Correct 100 ms 35676 KB Output is correct
95 Correct 101 ms 35680 KB Output is correct
96 Correct 109 ms 35676 KB Output is correct
97 Correct 101 ms 35676 KB Output is correct
98 Correct 107 ms 35676 KB Output is correct
99 Correct 106 ms 35708 KB Output is correct
100 Correct 101 ms 35676 KB Output is correct
101 Correct 100 ms 35676 KB Output is correct
102 Correct 102 ms 35676 KB Output is correct