답안 #211160

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
211160	2020-03-19T10:41:08 Z	amiratou	Lamps (JOI19_lamps)	C++14	100 / 100	131 ms	106316 KB

lamp

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define rando mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define fi first
#define se second
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define debugii(x) cerr << " - " << #x << ": " << x.fi<<","<<x.se << endl;
#define sep() cerr << "--------------------" << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ld long double
#define ll long long
//#define int ll
#define ii pair<int,int>
#define v vector<int>
#define vii vector<ii>
#define vv vector<vector<int> >
#define mp make_pair
#define INF 1000000000
#define pb push_back
#define EPS 1e-9
const int MOD = 1000000007; // 998244353
int dp[1000006][2][3],n;
string A,B;
char conv(char a,int t,int s){
	if(!s)a='0';
	if(s==1)a='1';
	if(t)a=(char)(1-(int)(a-'0')+'0');
	return a;
}
int solve(int idx,int t,int s){
	if(idx==n)
		return 0;
	if(dp[idx][t][s]!=-1)
		return dp[idx][t][s];
	int ans=INF;
	for (int i = 0; i < 2; ++i)
		for (int j = 0; j < 3; ++j)
		{
			int cost=0;
			cost+=(i?(i!=t):0)+((j!=2)?(j!=s):0);
			if(conv(A[idx],i,j)!=B[idx])continue;
			ans=min(ans,solve(idx+1,i,j)+cost);
		}
	return dp[idx][t][s]=ans;
}
int32_t main(){
	boost;
	//freopen(".in","r",stdin);
	memset(dp,-1,sizeof dp);
	cin>>n>>A>>B;
	cout<<solve(0,0,2);
	return 0;
}
//long long
//array bounds
//special cases
//binary search

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23808 KB	Output is correct
2	Correct	16 ms	23808 KB	Output is correct
3	Correct	17 ms	23808 KB	Output is correct
4	Correct	16 ms	23808 KB	Output is correct
5	Correct	17 ms	23808 KB	Output is correct
6	Correct	18 ms	23808 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	17 ms	23936 KB	Output is correct
9	Correct	18 ms	23808 KB	Output is correct
10	Correct	18 ms	23808 KB	Output is correct
11	Correct	17 ms	23808 KB	Output is correct
12	Correct	18 ms	23808 KB	Output is correct
13	Correct	17 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 ms	23808 KB	Output is correct
17	Correct	18 ms	23808 KB	Output is correct
18	Correct	16 ms	23936 KB	Output is correct
19	Correct	19 ms	23808 KB	Output is correct
20	Correct	17 ms	23808 KB	Output is correct
21	Correct	18 ms	23808 KB	Output is correct
22	Correct	16 ms	23808 KB	Output is correct
23	Correct	17 ms	23808 KB	Output is correct
24	Correct	17 ms	23808 KB	Output is correct
25	Correct	18 ms	23808 KB	Output is correct
26	Correct	17 ms	23808 KB	Output is correct
27	Correct	17 ms	23808 KB	Output is correct
28	Correct	19 ms	23808 KB	Output is correct
29	Correct	17 ms	23808 KB	Output is correct
30	Correct	17 ms	23808 KB	Output is correct
31	Correct	18 ms	23808 KB	Output is correct
32	Correct	17 ms	23808 KB	Output is correct
33	Correct	17 ms	23808 KB	Output is correct
34	Correct	18 ms	23808 KB	Output is correct

Subtask #2
41.0 / 41.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23808 KB	Output is correct
2	Correct	16 ms	23808 KB	Output is correct
3	Correct	17 ms	23808 KB	Output is correct
4	Correct	16 ms	23808 KB	Output is correct
5	Correct	17 ms	23808 KB	Output is correct
6	Correct	18 ms	23808 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	17 ms	23936 KB	Output is correct
9	Correct	18 ms	23808 KB	Output is correct
10	Correct	18 ms	23808 KB	Output is correct
11	Correct	17 ms	23808 KB	Output is correct
12	Correct	18 ms	23808 KB	Output is correct
13	Correct	17 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 ms	23808 KB	Output is correct
17	Correct	18 ms	23808 KB	Output is correct
18	Correct	16 ms	23936 KB	Output is correct
19	Correct	19 ms	23808 KB	Output is correct
20	Correct	17 ms	23808 KB	Output is correct
21	Correct	18 ms	23808 KB	Output is correct
22	Correct	16 ms	23808 KB	Output is correct
23	Correct	17 ms	23808 KB	Output is correct
24	Correct	17 ms	23808 KB	Output is correct
25	Correct	18 ms	23808 KB	Output is correct
26	Correct	17 ms	23808 KB	Output is correct
27	Correct	17 ms	23808 KB	Output is correct
28	Correct	19 ms	23808 KB	Output is correct
29	Correct	17 ms	23808 KB	Output is correct
30	Correct	17 ms	23808 KB	Output is correct
31	Correct	18 ms	23808 KB	Output is correct
32	Correct	17 ms	23808 KB	Output is correct
33	Correct	17 ms	23808 KB	Output is correct
34	Correct	18 ms	23808 KB	Output is correct
35	Correct	18 ms	24192 KB	Output is correct
36	Correct	17 ms	23936 KB	Output is correct
37	Correct	16 ms	23936 KB	Output is correct
38	Correct	16 ms	23936 KB	Output is correct
39	Correct	18 ms	23936 KB	Output is correct
40	Correct	17 ms	23936 KB	Output is correct
41	Correct	17 ms	23936 KB	Output is correct
42	Correct	18 ms	23936 KB	Output is correct
43	Correct	17 ms	23936 KB	Output is correct
44	Correct	18 ms	23936 KB	Output is correct
45	Correct	18 ms	23936 KB	Output is correct
46	Correct	18 ms	23936 KB	Output is correct
47	Correct	19 ms	23936 KB	Output is correct
48	Correct	18 ms	23936 KB	Output is correct
49	Correct	16 ms	23936 KB	Output is correct
50	Correct	17 ms	24064 KB	Output is correct
51	Correct	16 ms	23936 KB	Output is correct
52	Correct	17 ms	24064 KB	Output is correct
53	Correct	17 ms	23936 KB	Output is correct
54	Correct	17 ms	23928 KB	Output is correct
55	Correct	17 ms	23936 KB	Output is correct
56	Correct	17 ms	24064 KB	Output is correct
57	Correct	17 ms	23936 KB	Output is correct
58	Correct	17 ms	24064 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23808 KB	Output is correct
2	Correct	18 ms	23808 KB	Output is correct
3	Correct	17 ms	23808 KB	Output is correct
4	Correct	18 ms	23808 KB	Output is correct
5	Correct	17 ms	23808 KB	Output is correct
6	Correct	17 ms	23808 KB	Output is correct
7	Correct	114 ms	104268 KB	Output is correct
8	Correct	116 ms	104260 KB	Output is correct
9	Correct	116 ms	104140 KB	Output is correct
10	Correct	114 ms	104276 KB	Output is correct
11	Correct	116 ms	104268 KB	Output is correct
12	Correct	113 ms	104256 KB	Output is correct
13	Correct	113 ms	104140 KB	Output is correct
14	Correct	112 ms	104136 KB	Output is correct

Subtask #4
49.0 / 49.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	23808 KB	Output is correct
2	Correct	16 ms	23808 KB	Output is correct
3	Correct	17 ms	23808 KB	Output is correct
4	Correct	16 ms	23808 KB	Output is correct
5	Correct	17 ms	23808 KB	Output is correct
6	Correct	18 ms	23808 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	17 ms	23936 KB	Output is correct
9	Correct	18 ms	23808 KB	Output is correct
10	Correct	18 ms	23808 KB	Output is correct
11	Correct	17 ms	23808 KB	Output is correct
12	Correct	18 ms	23808 KB	Output is correct
13	Correct	17 ms	23808 KB	Output is correct
14	Correct	17 ms	23808 KB	Output is correct
15	Correct	17 ms	23808 KB	Output is correct
16	Correct	17 ms	23808 KB	Output is correct
17	Correct	18 ms	23808 KB	Output is correct
18	Correct	16 ms	23936 KB	Output is correct
19	Correct	19 ms	23808 KB	Output is correct
20	Correct	17 ms	23808 KB	Output is correct
21	Correct	18 ms	23808 KB	Output is correct
22	Correct	16 ms	23808 KB	Output is correct
23	Correct	17 ms	23808 KB	Output is correct
24	Correct	17 ms	23808 KB	Output is correct
25	Correct	18 ms	23808 KB	Output is correct
26	Correct	17 ms	23808 KB	Output is correct
27	Correct	17 ms	23808 KB	Output is correct
28	Correct	19 ms	23808 KB	Output is correct
29	Correct	17 ms	23808 KB	Output is correct
30	Correct	17 ms	23808 KB	Output is correct
31	Correct	18 ms	23808 KB	Output is correct
32	Correct	17 ms	23808 KB	Output is correct
33	Correct	17 ms	23808 KB	Output is correct
34	Correct	18 ms	23808 KB	Output is correct
35	Correct	18 ms	24192 KB	Output is correct
36	Correct	17 ms	23936 KB	Output is correct
37	Correct	16 ms	23936 KB	Output is correct
38	Correct	16 ms	23936 KB	Output is correct
39	Correct	18 ms	23936 KB	Output is correct
40	Correct	17 ms	23936 KB	Output is correct
41	Correct	17 ms	23936 KB	Output is correct
42	Correct	18 ms	23936 KB	Output is correct
43	Correct	17 ms	23936 KB	Output is correct
44	Correct	18 ms	23936 KB	Output is correct
45	Correct	18 ms	23936 KB	Output is correct
46	Correct	18 ms	23936 KB	Output is correct
47	Correct	19 ms	23936 KB	Output is correct
48	Correct	18 ms	23936 KB	Output is correct
49	Correct	16 ms	23936 KB	Output is correct
50	Correct	17 ms	24064 KB	Output is correct
51	Correct	16 ms	23936 KB	Output is correct
52	Correct	17 ms	24064 KB	Output is correct
53	Correct	17 ms	23936 KB	Output is correct
54	Correct	17 ms	23928 KB	Output is correct
55	Correct	17 ms	23936 KB	Output is correct
56	Correct	17 ms	24064 KB	Output is correct
57	Correct	17 ms	23936 KB	Output is correct
58	Correct	17 ms	24064 KB	Output is correct
59	Correct	16 ms	23808 KB	Output is correct
60	Correct	18 ms	23808 KB	Output is correct
61	Correct	17 ms	23808 KB	Output is correct
62	Correct	18 ms	23808 KB	Output is correct
63	Correct	17 ms	23808 KB	Output is correct
64	Correct	17 ms	23808 KB	Output is correct
65	Correct	114 ms	104268 KB	Output is correct
66	Correct	116 ms	104260 KB	Output is correct
67	Correct	116 ms	104140 KB	Output is correct
68	Correct	114 ms	104276 KB	Output is correct
69	Correct	116 ms	104268 KB	Output is correct
70	Correct	113 ms	104256 KB	Output is correct
71	Correct	113 ms	104140 KB	Output is correct
72	Correct	112 ms	104136 KB	Output is correct
73	Correct	114 ms	106180 KB	Output is correct
74	Correct	112 ms	106212 KB	Output is correct
75	Correct	112 ms	106308 KB	Output is correct
76	Correct	115 ms	106312 KB	Output is correct
77	Correct	112 ms	106188 KB	Output is correct
78	Correct	115 ms	106188 KB	Output is correct
79	Correct	117 ms	106184 KB	Output is correct
80	Correct	116 ms	106188 KB	Output is correct
81	Correct	116 ms	106184 KB	Output is correct
82	Correct	117 ms	106192 KB	Output is correct
83	Correct	116 ms	106188 KB	Output is correct
84	Correct	118 ms	106184 KB	Output is correct
85	Correct	116 ms	106188 KB	Output is correct
86	Correct	117 ms	106184 KB	Output is correct
87	Correct	117 ms	106180 KB	Output is correct
88	Correct	119 ms	106184 KB	Output is correct
89	Correct	115 ms	106184 KB	Output is correct
90	Correct	116 ms	106188 KB	Output is correct
91	Correct	126 ms	106316 KB	Output is correct
92	Correct	124 ms	106188 KB	Output is correct
93	Correct	118 ms	106196 KB	Output is correct
94	Correct	123 ms	106184 KB	Output is correct
95	Correct	127 ms	106184 KB	Output is correct
96	Correct	124 ms	106308 KB	Output is correct
97	Correct	120 ms	106188 KB	Output is correct
98	Correct	131 ms	106284 KB	Output is correct
99	Correct	126 ms	106316 KB	Output is correct
100	Correct	120 ms	106180 KB	Output is correct
101	Correct	128 ms	106176 KB	Output is correct
102	Correct	126 ms	106188 KB	Output is correct

답안 #211160

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 41.0 / 41.0

Subtask #3 4.0 / 4.0

Subtask #4 49.0 / 49.0

Subtask #1
6.0 / 6.0

Subtask #2
41.0 / 41.0

Subtask #3
4.0 / 4.0

Subtask #4
49.0 / 49.0