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답안 #623714

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
623714 2022-08-06T11:08:36 Z Arsa Lamps (JOI19_lamps) C++14
100 / 100
 74 ms 27992 KB 
#include<bits/stdc++.h>
using namespace std;

const int N = 1e6+10;

int n;
string a,b;
int dp[N][6];
int ans = 1e9;

void Input();
void Dp();
int C(int);
int Esh(int,int);
bool F(char,char,int);
void Output();

int main(){
	ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	Input();
	Dp();
	Output();
}

void Input(){
	cin >> n >> a >> b;
}

void Dp(){
	//base
	for(int i = 0;i < 6;i++)
		if(F(a[0], b[0], i))
			dp[0][i] = C(i);
		else
			dp[0][i] = -1;
	
	//dp
	for(int i = 1;i < n;i++)
		for(int j = 0;j < 6;j++)
			if(F(a[i], b[i], j)){
				dp[i][j] = n;
				for(int k = 0;k < 6;k++)
					if(dp[i-1][k] != -1)
						dp[i][j] = min(dp[i][j], dp[i-1][k] + C(j) - Esh(k, j));		
			}else
				dp[i][j] = -1;
}

int C(int x){
	int res = 0;
	if(x > 1) res++;
	if(x % 2) res++;
	return res;
}

int Esh(int k, int j){
	int res = 0;
	if(k % 2 and j % 2) res++;	
	if(k/2 == j/2 and k/2) res++;
	return res;
}

bool F(char x,char y,int f){
	if((f == 2 or f == 5) and y == '0')
		return true;
	else if((f == 3 or f == 4) and y == '1')
		return true;
	else if(f == 0 and x == y)
		return true;
	else if(f == 1 and x != y)
		return true;
	return false;
}

void Output(){	
	for(int i = 0;i < 6;i++)
		if(dp[n-1][i] != -1)
			ans = min(ans, dp[n-1][i]);
	cout << ans << endl;	
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 0 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct

Subtask #3
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 49 ms 25784 KB Output is correct
8 Correct 59 ms 27992 KB Output is correct
9 Correct 54 ms 27852 KB Output is correct
10 Correct 53 ms 27732 KB Output is correct
11 Correct 54 ms 27756 KB Output is correct
12 Correct 52 ms 27812 KB Output is correct
13 Correct 52 ms 27836 KB Output is correct
14 Correct 57 ms 27852 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 0 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 0 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 49 ms 25784 KB Output is correct
66 Correct 59 ms 27992 KB Output is correct
67 Correct 54 ms 27852 KB Output is correct
68 Correct 53 ms 27732 KB Output is correct
69 Correct 54 ms 27756 KB Output is correct
70 Correct 52 ms 27812 KB Output is correct
71 Correct 52 ms 27836 KB Output is correct
72 Correct 57 ms 27852 KB Output is correct
73 Correct 54 ms 27736 KB Output is correct
74 Correct 58 ms 27744 KB Output is correct
75 Correct 50 ms 27728 KB Output is correct
76 Correct 52 ms 27764 KB Output is correct
77 Correct 53 ms 27784 KB Output is correct
78 Correct 56 ms 27808 KB Output is correct
79 Correct 53 ms 27820 KB Output is correct
80 Correct 50 ms 27808 KB Output is correct
81 Correct 52 ms 27856 KB Output is correct
82 Correct 54 ms 27856 KB Output is correct
83 Correct 62 ms 27848 KB Output is correct
84 Correct 63 ms 27928 KB Output is correct
85 Correct 62 ms 27852 KB Output is correct
86 Correct 63 ms 27816 KB Output is correct
87 Correct 62 ms 27800 KB Output is correct
88 Correct 63 ms 27756 KB Output is correct
89 Correct 64 ms 27748 KB Output is correct
90 Correct 64 ms 27740 KB Output is correct
91 Correct 68 ms 27756 KB Output is correct
92 Correct 70 ms 27840 KB Output is correct
93 Correct 70 ms 27800 KB Output is correct
94 Correct 74 ms 27844 KB Output is correct
95 Correct 70 ms 27852 KB Output is correct
96 Correct 70 ms 27852 KB Output is correct
97 Correct 70 ms 27788 KB Output is correct
98 Correct 70 ms 27736 KB Output is correct
99 Correct 73 ms 27932 KB Output is correct
100 Correct 71 ms 27784 KB Output is correct
101 Correct 71 ms 27852 KB Output is correct
102 Correct 69 ms 27740 KB Output is correct