oj.uz

Submission #133191

# Submission time Handle Problem Language Result Execution time Memory
133191 2019-07-20T09:01:34 Z miguel Lamps (JOI19_lamps) C++14
100 / 100
 113 ms 4372 KB 
#include<bits/stdc++.h>
using namespace std;
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define dbg(x) cout << #x << '=' << x << '\n';
#define ll long long
#define int ll
#define sz size()
#define x first
#define y second
#define pi pair <int, int>
#define pii pair <int, pi>
#define vi vector <int>
const ll mod = 998244353;
int n, dp[3][2][2], ans=1e9;
bool a[1000002], b[1000002];

int32_t main(){
    ios_base :: sync_with_stdio(0); cin.tie(); cout.tie();
    cin>>n;
    for(int i=1; i<=n; i++){
        char c;
        cin>>c;
        if(c=='1') a[i]=1;
    }
    for(int i=1; i<=n; i++){
        char c;
        cin>>c;
        if(c=='1') b[i]=1;
    }
    ///cout<<a[1];
    for(int x=0; x<=2; x++){
        for(int y=0; y<2; y++){
            dp[x][y][0]=(x>0)+(y>0);
        }
    }
    //cout<<dp[2][1][0]<<endl;
//    dp[1][0]=dp[2][0]=dp[3][0]=1;
    for(int i=1; i<=n; i++){
        for(int x=0; x<=2; x++){
            for(int y=0; y<2; y++){
                dp[x][y][1]=1e9;
                int res=a[i];
                if(x>0) res=(x-1);
                res^=y;
                if(res==b[i]){
                    for(int xx=0; xx<=2; xx++){
                        for(int yy=0; yy<2; yy++) dp[x][y][1]=min(dp[x][y][1], dp[xx][yy][0]+(xx!=x && x)+(yy!=y && y));
                    }
                }
                //cout<<x<<" "<<y<<" "<<res<<endl;
            }
        }
        for(int x=0; x<=2; x++){
            for(int y=0; y<2; y++){
                dp[x][y][0]=dp[x][y][1];
                if(i==n) ans=min(ans, dp[x][y][0]);
            }
        }
    }
    cout<<ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory 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 420 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 248 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 424 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 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 376 KB Output is correct
22 Correct 2 ms 376 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 2 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 380 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory 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 420 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 248 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 424 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 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 376 KB Output is correct
22 Correct 2 ms 376 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 2 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 380 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 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 380 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 380 KB Output is correct
49 Correct 2 ms 300 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 376 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory 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 80 ms 2288 KB Output is correct
8 Correct 83 ms 3192 KB Output is correct
9 Correct 81 ms 3272 KB Output is correct
10 Correct 82 ms 3324 KB Output is correct
11 Correct 86 ms 3320 KB Output is correct
12 Correct 81 ms 3292 KB Output is correct
13 Correct 81 ms 3192 KB Output is correct
14 Correct 81 ms 3292 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory 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 420 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 248 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 424 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 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 376 KB Output is correct
22 Correct 2 ms 376 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 2 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 380 KB Output is correct
31 Correct 2 ms 380 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 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 380 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 380 KB Output is correct
49 Correct 2 ms 300 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 376 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 80 ms 2288 KB Output is correct
66 Correct 83 ms 3192 KB Output is correct
67 Correct 81 ms 3272 KB Output is correct
68 Correct 82 ms 3324 KB Output is correct
69 Correct 86 ms 3320 KB Output is correct
70 Correct 81 ms 3292 KB Output is correct
71 Correct 81 ms 3192 KB Output is correct
72 Correct 81 ms 3292 KB Output is correct
73 Correct 81 ms 3320 KB Output is correct
74 Correct 82 ms 4216 KB Output is correct
75 Correct 82 ms 4272 KB Output is correct
76 Correct 86 ms 4344 KB Output is correct
77 Correct 87 ms 4344 KB Output is correct
78 Correct 82 ms 4216 KB Output is correct
79 Correct 82 ms 4216 KB Output is correct
80 Correct 86 ms 4216 KB Output is correct
81 Correct 81 ms 4220 KB Output is correct
82 Correct 82 ms 4344 KB Output is correct
83 Correct 93 ms 4292 KB Output is correct
84 Correct 97 ms 4324 KB Output is correct
85 Correct 93 ms 4216 KB Output is correct
86 Correct 93 ms 4216 KB Output is correct
87 Correct 96 ms 4216 KB Output is correct
88 Correct 95 ms 4296 KB Output is correct
89 Correct 94 ms 4216 KB Output is correct
90 Correct 105 ms 4344 KB Output is correct
91 Correct 99 ms 4348 KB Output is correct
92 Correct 103 ms 4344 KB Output is correct
93 Correct 107 ms 4188 KB Output is correct
94 Correct 105 ms 4332 KB Output is correct
95 Correct 111 ms 4344 KB Output is correct
96 Correct 106 ms 4216 KB Output is correct
97 Correct 105 ms 4216 KB Output is correct
98 Correct 107 ms 4344 KB Output is correct
99 Correct 105 ms 4216 KB Output is correct
100 Correct 109 ms 4296 KB Output is correct
101 Correct 111 ms 4372 KB Output is correct
102 Correct 113 ms 4216 KB Output is correct