oj.uz

Submission #204719

# Submission time Handle Problem Language Result Execution time Memory
204719 2020-02-26T18:39:53 Z achibasadzishvili Lamps (JOI19_lamps) C++17
100 / 100
 218 ms 41608 KB 
#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pb push_back
using namespace std;
ll n,a[1000003],b[1000003],dp[1000002][3];
int main(){
	cin >> n;
	
	for(int i=1; i<=n; i++){
		char x;
		cin >> x;
		a[i] = (x == '1');
	}
	
	for(int i=1; i<=n; i++){
		char x;
		cin >> x;
		b[i] = (x == '1');
	}
	
	dp[0][0] = dp[0][1] = 9999999999999;
	dp[0][2] = 0;
	
	for(int i=1; i<=n; i++){
		for(int j=0; j<3; j++){
			dp[i][j] = 10000000000000;
			for(int k=0; k<3; k++){
				ll cur = 0;
				if(j != 2 && j != k)cur++;
				ll ok = 0;
				if(k == 2 && a[i - 1] != b[i - 1])ok = 1;
				if(k != 2 && k != b[i - 1])ok = 1;
				ll es = a[i];
				if(j != 2)es = j;
				if(es != b[i])cur += (ok ^ 1);
				dp[i][j] = min(dp[i][j] , dp[i - 1][k] + cur);
			}
		}
	}
	
	cout << min(dp[n][0] , min(dp[n][1] , dp[n][2]));
	
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 380 KB Output is correct
34 Correct 5 ms 376 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 380 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 380 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 376 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 217 ms 41336 KB Output is correct
8 Correct 210 ms 41464 KB Output is correct
9 Correct 209 ms 41336 KB Output is correct
10 Correct 210 ms 41336 KB Output is correct
11 Correct 210 ms 41336 KB Output is correct
12 Correct 216 ms 41608 KB Output is correct
13 Correct 208 ms 41336 KB Output is correct
14 Correct 215 ms 41460 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 380 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 380 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 380 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 376 KB Output is correct
59 Correct 5 ms 376 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 376 KB Output is correct
62 Correct 5 ms 376 KB Output is correct
63 Correct 5 ms 376 KB Output is correct
64 Correct 5 ms 376 KB Output is correct
65 Correct 217 ms 41336 KB Output is correct
66 Correct 210 ms 41464 KB Output is correct
67 Correct 209 ms 41336 KB Output is correct
68 Correct 210 ms 41336 KB Output is correct
69 Correct 210 ms 41336 KB Output is correct
70 Correct 216 ms 41608 KB Output is correct
71 Correct 208 ms 41336 KB Output is correct
72 Correct 215 ms 41460 KB Output is correct
73 Correct 210 ms 41336 KB Output is correct
74 Correct 217 ms 41400 KB Output is correct
75 Correct 215 ms 41576 KB Output is correct
76 Correct 210 ms 41336 KB Output is correct
77 Correct 210 ms 41340 KB Output is correct
78 Correct 216 ms 41440 KB Output is correct
79 Correct 209 ms 41336 KB Output is correct
80 Correct 218 ms 41464 KB Output is correct
81 Correct 210 ms 41336 KB Output is correct
82 Correct 208 ms 41336 KB Output is correct
83 Correct 215 ms 41440 KB Output is correct
84 Correct 209 ms 41336 KB Output is correct
85 Correct 210 ms 41336 KB Output is correct
86 Correct 211 ms 41336 KB Output is correct
87 Correct 210 ms 41336 KB Output is correct
88 Correct 211 ms 41336 KB Output is correct
89 Correct 212 ms 41464 KB Output is correct
90 Correct 208 ms 41336 KB Output is correct
91 Correct 211 ms 41464 KB Output is correct
92 Correct 208 ms 41336 KB Output is correct
93 Correct 210 ms 41436 KB Output is correct
94 Correct 212 ms 41336 KB Output is correct
95 Correct 208 ms 41336 KB Output is correct
96 Correct 212 ms 41420 KB Output is correct
97 Correct 208 ms 41336 KB Output is correct
98 Correct 214 ms 41592 KB Output is correct
99 Correct 209 ms 41464 KB Output is correct
100 Correct 208 ms 41336 KB Output is correct
101 Correct 216 ms 41464 KB Output is correct
102 Correct 208 ms 41336 KB Output is correct