oj.uz

답안 #231948

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
231948 2020-05-15T12:56:37 Z oolimry Lamps (JOI19_lamps) C++14
100 / 100
 126 ms 4812 KB 
#include <bits/stdc++.h>
#define SKIP 0
#define OFF 1
#define ON 2
#define SKIPXOR 3
#define OFFXOR 4
#define ONXOR 5
#define oper int
using namespace std;

int dist(oper a, oper b){
	int ans = 0;
	///If the skip/off/on is different, and b is not skip
	if(a % 3 != b % 3 && b % 3 != 0) ans++;
	///if XOR is taken
	if(a <= 2 && b >= 3) ans++;
	return ans;
}

int conv(int state, oper o){
	switch(o){
		case SKIP: return state;
		case OFF: return 0;
		case ON: return 1;
		case SKIPXOR: return state^1;
		case OFFXOR: return 1;
		case ONXOR: return 0;
		default: return -1;
	}
}

bitset<1000005> A;
bitset<1000005> B;

int pre[6];
int dp[6];

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	int n; cin >> n;
	string SA, SB;
	cin >> SA >> SB;
	
	for(int i = 0;i < n;i++){
		A[i] = (SA[i] == '1');
		B[i] = (SB[i] == '1');
	}
	
	fill(dp,dp+6,10234567); dp[0] = 0;
	
	oper operations[6] = {SKIP, OFF, ON, SKIPXOR, OFFXOR, ONXOR};
	
	for(int i = 0;i < n;i++){
		swap(dp, pre);
		fill(dp,dp+6,10234567);
		
		for(oper curOp : operations){
			if(conv(A[i], curOp) != B[i]) continue;
			
			for(oper preOp : operations){
				dp[curOp] = min(dp[curOp], pre[preOp] + dist(preOp, curOp));
			}	
		}
	}
	
	cout << min({dp[0],dp[1],dp[2],dp[3],dp[4],dp[5]});
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 5 ms 384 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 5 ms 384 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 5 ms 384 KB Output is correct
55 Correct 5 ms 384 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 5 ms 384 KB Output is correct
58 Correct 5 ms 384 KB Output is correct

Subtask #3
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 97 ms 4692 KB Output is correct
8 Correct 100 ms 4692 KB Output is correct
9 Correct 97 ms 4564 KB Output is correct
10 Correct 96 ms 4692 KB Output is correct
11 Correct 102 ms 4564 KB Output is correct
12 Correct 112 ms 4692 KB Output is correct
13 Correct 105 ms 4692 KB Output is correct
14 Correct 104 ms 4692 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 4 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 5 ms 384 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 384 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 5 ms 384 KB Output is correct
47 Correct 5 ms 384 KB Output is correct
48 Correct 5 ms 384 KB Output is correct
49 Correct 5 ms 384 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 5 ms 384 KB Output is correct
52 Correct 5 ms 384 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 5 ms 384 KB Output is correct
55 Correct 5 ms 384 KB Output is correct
56 Correct 5 ms 384 KB Output is correct
57 Correct 5 ms 384 KB Output is correct
58 Correct 5 ms 384 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Correct 5 ms 384 KB Output is correct
62 Correct 5 ms 384 KB Output is correct
63 Correct 4 ms 384 KB Output is correct
64 Correct 5 ms 384 KB Output is correct
65 Correct 97 ms 4692 KB Output is correct
66 Correct 100 ms 4692 KB Output is correct
67 Correct 97 ms 4564 KB Output is correct
68 Correct 96 ms 4692 KB Output is correct
69 Correct 102 ms 4564 KB Output is correct
70 Correct 112 ms 4692 KB Output is correct
71 Correct 105 ms 4692 KB Output is correct
72 Correct 104 ms 4692 KB Output is correct
73 Correct 94 ms 4692 KB Output is correct
74 Correct 96 ms 4692 KB Output is correct
75 Correct 107 ms 4692 KB Output is correct
76 Correct 110 ms 4708 KB Output is correct
77 Correct 107 ms 4692 KB Output is correct
78 Correct 105 ms 4692 KB Output is correct
79 Correct 96 ms 4692 KB Output is correct
80 Correct 104 ms 4692 KB Output is correct
81 Correct 108 ms 4692 KB Output is correct
82 Correct 106 ms 4692 KB Output is correct
83 Correct 110 ms 4692 KB Output is correct
84 Correct 110 ms 4692 KB Output is correct
85 Correct 110 ms 4812 KB Output is correct
86 Correct 112 ms 4808 KB Output is correct
87 Correct 112 ms 4692 KB Output is correct
88 Correct 114 ms 4692 KB Output is correct
89 Correct 118 ms 4692 KB Output is correct
90 Correct 112 ms 4804 KB Output is correct
91 Correct 117 ms 4692 KB Output is correct
92 Correct 121 ms 4708 KB Output is correct
93 Correct 123 ms 4684 KB Output is correct
94 Correct 126 ms 4692 KB Output is correct
95 Correct 125 ms 4692 KB Output is correct
96 Correct 123 ms 4692 KB Output is correct
97 Correct 123 ms 4692 KB Output is correct
98 Correct 122 ms 4692 KB Output is correct
99 Correct 122 ms 4684 KB Output is correct
100 Correct 121 ms 4692 KB Output is correct
101 Correct 124 ms 4692 KB Output is correct
102 Correct 121 ms 4692 KB Output is correct