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답안 #142545

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
142545 2019-08-09T13:53:00 Z aminra Lamps (JOI19_lamps) C++17
100 / 100
 89 ms 16288 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int MAXN = (int)1e6 + 3;
const ll infint = (int)1e9 + 3;
const int MOD = (int)1e9 + 7;
const ll inf = (ll)1e18 + 3;
int dp[MAXN][3], n;
string A, B;
int toggle(int i, int j)
{
	if(j == 2)
		return A[i] != B[i];
	if(j == 0)
		return B[i] != '0';
	if(j == 1)
		return B[i] != '1';
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin >> n >> A >> B;
	dp[n - 1][0] = 1 + toggle(n - 1, 0);
	dp[n - 1][1] = 1 + toggle(n - 1, 1);
	dp[n - 1][2] = toggle(n - 1, 2);
	for (int i = n - 2; i >= 0; i--)
		for (int j = 0; j <= 2; j++)
		{
			dp[i][j] = infint;
			for (int k = 0; k <= 2; k++)
				dp[i][j] = min(dp[i][j], dp[i + 1][k] + (j != 2 && k != j) + (toggle(i, j) && !toggle(i + 1, k)));
		}
	cout << min(dp[0][0], min(dp[0][1], dp[0][2]));
}

Compilation message

lamp.cpp: In function 'int toggle(int, int)':
lamp.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 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 248 KB Output is correct
14 Correct 2 ms 248 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 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 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 412 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 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 3 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 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 404 KB Output is correct
34 Correct 2 ms 416 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 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 248 KB Output is correct
14 Correct 2 ms 248 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 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 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 412 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 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 3 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 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 404 KB Output is correct
34 Correct 2 ms 416 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 380 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 2 ms 380 KB Output is correct

Subtask #3
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 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 70 ms 16200 KB Output is correct
8 Correct 75 ms 16204 KB Output is correct
9 Correct 75 ms 16200 KB Output is correct
10 Correct 75 ms 16184 KB Output is correct
11 Correct 75 ms 16100 KB Output is correct
12 Correct 78 ms 16200 KB Output is correct
13 Correct 74 ms 16196 KB Output is correct
14 Correct 74 ms 16076 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 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 248 KB Output is correct
14 Correct 2 ms 248 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 3 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 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 2 ms 412 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 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 3 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 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 404 KB Output is correct
34 Correct 2 ms 416 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 380 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 2 ms 380 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 2 ms 376 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 376 KB Output is correct
64 Correct 2 ms 376 KB Output is correct
65 Correct 70 ms 16200 KB Output is correct
66 Correct 75 ms 16204 KB Output is correct
67 Correct 75 ms 16200 KB Output is correct
68 Correct 75 ms 16184 KB Output is correct
69 Correct 75 ms 16100 KB Output is correct
70 Correct 78 ms 16200 KB Output is correct
71 Correct 74 ms 16196 KB Output is correct
72 Correct 74 ms 16076 KB Output is correct
73 Correct 74 ms 16156 KB Output is correct
74 Correct 72 ms 16200 KB Output is correct
75 Correct 78 ms 16204 KB Output is correct
76 Correct 78 ms 16112 KB Output is correct
77 Correct 76 ms 16092 KB Output is correct
78 Correct 76 ms 16204 KB Output is correct
79 Correct 71 ms 16204 KB Output is correct
80 Correct 78 ms 16124 KB Output is correct
81 Correct 75 ms 16196 KB Output is correct
82 Correct 77 ms 16072 KB Output is correct
83 Correct 80 ms 16200 KB Output is correct
84 Correct 79 ms 16072 KB Output is correct
85 Correct 80 ms 16108 KB Output is correct
86 Correct 79 ms 16076 KB Output is correct
87 Correct 80 ms 16072 KB Output is correct
88 Correct 80 ms 16200 KB Output is correct
89 Correct 80 ms 16200 KB Output is correct
90 Correct 80 ms 16184 KB Output is correct
91 Correct 84 ms 16128 KB Output is correct
92 Correct 85 ms 16172 KB Output is correct
93 Correct 86 ms 16168 KB Output is correct
94 Correct 86 ms 16200 KB Output is correct
95 Correct 88 ms 16204 KB Output is correct
96 Correct 87 ms 16064 KB Output is correct
97 Correct 85 ms 16196 KB Output is correct
98 Correct 87 ms 16072 KB Output is correct
99 Correct 86 ms 16204 KB Output is correct
100 Correct 86 ms 16072 KB Output is correct
101 Correct 86 ms 16196 KB Output is correct
102 Correct 89 ms 16288 KB Output is correct