oj.uz

Submission #1013911

# Submission time Handle Problem Language Result Execution time Memory
1013911 2024-07-04T08:02:56 Z vjudge1 Lamps (JOI19_lamps) C++17
100 / 100
 60 ms 51624 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
bool make(int j,int k,int a,int b){
    if(j!=2){
        a=j;
    }
    a^=k;
    return (a==b);
}
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    string a;
    string b;
    cin >> a;
    cin >> b;
    int DP[n][3][2];
    int lim=1e9;
    for(int i=0;i<n;i++){
        for(int j=0;j<3;j++){
            for(int k=0;k<2;k++){
                DP[i][j][k]=lim;
            }
        }
    }
    for(int j=0;j<3;j++){
        for(int k=0;k<2;k++){
            if(make(j,k,a[0]-'0',b[0]-'0')){
                DP[0][j][k]=(j!=2)+(k!=0);
            }
        }
    }
    for(int i=0;i<n-1;i++){
        for(int j=0;j<3;j++){
            for(int k=0;k<2;k++){
                if(DP[i][j][k]==lim){
                    continue;
                }
                for(int j1=0;j1<3;j1++){
                    for(int k1=0;k1<2;k1++){
                        if(make(j1,k1,a[i+1]-'0',b[i+1]-'0')){
                            DP[i+1][j1][k1]=min(DP[i+1][j1][k1],DP[i][j][k]+(j1!=2&&j1!=j)+(k1!=0&&k1!=k));
                        }
                    }
                }
            }
        }
    }
    int ans=1e9;
    for(int j=0;j<3;j++){
        for(int k=0;k<2;k++){
            ans=min(ans,DP[n-1][j][k]);
        }
    }
    cout << ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 452 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 452 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 344 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 460 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 0 ms 348 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 57 ms 51336 KB Output is correct
8 Correct 48 ms 51356 KB Output is correct
9 Correct 49 ms 51368 KB Output is correct
10 Correct 46 ms 51368 KB Output is correct
11 Correct 48 ms 51452 KB Output is correct
12 Correct 52 ms 51368 KB Output is correct
13 Correct 52 ms 51356 KB Output is correct
14 Correct 49 ms 51360 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 452 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 344 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 460 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 0 ms 344 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 456 KB Output is correct
65 Correct 57 ms 51336 KB Output is correct
66 Correct 48 ms 51356 KB Output is correct
67 Correct 49 ms 51368 KB Output is correct
68 Correct 46 ms 51368 KB Output is correct
69 Correct 48 ms 51452 KB Output is correct
70 Correct 52 ms 51368 KB Output is correct
71 Correct 52 ms 51356 KB Output is correct
72 Correct 49 ms 51360 KB Output is correct
73 Correct 51 ms 51356 KB Output is correct
74 Correct 48 ms 51248 KB Output is correct
75 Correct 48 ms 51432 KB Output is correct
76 Correct 57 ms 51364 KB Output is correct
77 Correct 48 ms 51416 KB Output is correct
78 Correct 47 ms 51372 KB Output is correct
79 Correct 49 ms 51624 KB Output is correct
80 Correct 47 ms 51368 KB Output is correct
81 Correct 47 ms 51272 KB Output is correct
82 Correct 48 ms 51376 KB Output is correct
83 Correct 50 ms 51320 KB Output is correct
84 Correct 53 ms 51424 KB Output is correct
85 Correct 51 ms 51456 KB Output is correct
86 Correct 52 ms 51452 KB Output is correct
87 Correct 51 ms 51224 KB Output is correct
88 Correct 48 ms 51356 KB Output is correct
89 Correct 52 ms 51360 KB Output is correct
90 Correct 52 ms 51280 KB Output is correct
91 Correct 54 ms 51400 KB Output is correct
92 Correct 55 ms 51360 KB Output is correct
93 Correct 52 ms 51352 KB Output is correct
94 Correct 55 ms 51360 KB Output is correct
95 Correct 60 ms 51372 KB Output is correct
96 Correct 55 ms 51364 KB Output is correct
97 Correct 55 ms 51452 KB Output is correct
98 Correct 55 ms 51376 KB Output is correct
99 Correct 54 ms 51452 KB Output is correct
100 Correct 59 ms 51612 KB Output is correct
101 Correct 59 ms 51368 KB Output is correct
102 Correct 60 ms 51228 KB Output is correct