oj.uz

Submission #331407

# Submission time Handle Problem Language Result Execution time Memory
331407 2020-11-28T11:28:10 Z EIMONIM Lamps (JOI19_lamps) C++14
100 / 100
 123 ms 59252 KB 
#include <bits/stdc++.h>
/*#define int int64_t
#define vi vector<int>
#define ii pair<int,int>
#define vb vector<bool>
#define vvi vector<vi>
#define vvb vector<vb>
#define vii vector<ii>
#define vvii vector<vii>
#define x first
#define y second
#define pb push_back
#define chkmax(a,b) a = max(a,b)
#define chkmin(a,b) a=min(a,b)
#define all(x) x.begin(),x.end()*/
#define loop(i,s,e) for(int i=s;i<e;i++)
#define loopr(i,s,e) for(int i=e-1;i>=s;i--)
using namespace std;
const int INF = 1e9, MOD = 1e9 + 7;


 
int32_t main(){
    ios_base::sync_with_stdio(false);
    int n; cin>>n;
    string a,b; cin>>a>>b;
    for(char &c:a) c-='0';
    for(char &c:b) c-='0';
    vector<vector<int>> cost(6, vector<int>(6));
    loop(x,0,6) loop(y,0,6){
        if (y%2==1 && x%2!=1) cost[x][y]++; // start toggle
        if (y%3==1 && x%3!=1) cost[x][y]++; // start zero
        if (y%3==2 && x%3!=2) cost[x][y]++; // start one
    }
    vector<vector<int>> dp(n+1, vector<int>(6, INF));
    loop(x,0,6) dp[0][x] = (x%2!=0) + (x%3!=0);
    loop(i,0,n){
        loop(x,0,6){
            bool c = a[i];
            if (x%3 == 1) c = 0; // set to zero
            else if (x%3 == 2) c = 1; // set to one
            if (x%2 == 1) c = !c; // toggle
            if (c == b[i]){
                loop(y,0,6){
                    dp[i+1][y] = min(dp[i+1][y], dp[i][x] + cost[x][y]);
                }
            }
        }
    }
    cout<<dp[n][0]<<endl;
    return 0;
}
/*
color a
cls
g++ lamps.cpp -o a & a
8
11011100
01101001




*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 512 KB Output is correct
43 Correct 1 ms 492 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 1 ms 492 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct
48 Correct 1 ms 492 KB Output is correct
49 Correct 1 ms 492 KB Output is correct
50 Correct 1 ms 492 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 492 KB Output is correct
58 Correct 1 ms 492 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 112 ms 59068 KB Output is correct
8 Correct 110 ms 59252 KB Output is correct
9 Correct 110 ms 59068 KB Output is correct
10 Correct 111 ms 59068 KB Output is correct
11 Correct 109 ms 59068 KB Output is correct
12 Correct 109 ms 59068 KB Output is correct
13 Correct 108 ms 59068 KB Output is correct
14 Correct 112 ms 59192 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 492 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 0 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 492 KB Output is correct
36 Correct 1 ms 492 KB Output is correct
37 Correct 1 ms 492 KB Output is correct
38 Correct 1 ms 492 KB Output is correct
39 Correct 1 ms 492 KB Output is correct
40 Correct 1 ms 492 KB Output is correct
41 Correct 1 ms 492 KB Output is correct
42 Correct 1 ms 512 KB Output is correct
43 Correct 1 ms 492 KB Output is correct
44 Correct 1 ms 492 KB Output is correct
45 Correct 1 ms 492 KB Output is correct
46 Correct 1 ms 492 KB Output is correct
47 Correct 1 ms 492 KB Output is correct
48 Correct 1 ms 492 KB Output is correct
49 Correct 1 ms 492 KB Output is correct
50 Correct 1 ms 492 KB Output is correct
51 Correct 1 ms 492 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 492 KB Output is correct
54 Correct 1 ms 492 KB Output is correct
55 Correct 1 ms 492 KB Output is correct
56 Correct 1 ms 492 KB Output is correct
57 Correct 1 ms 492 KB Output is correct
58 Correct 1 ms 492 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 492 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 364 KB Output is correct
64 Correct 1 ms 364 KB Output is correct
65 Correct 112 ms 59068 KB Output is correct
66 Correct 110 ms 59252 KB Output is correct
67 Correct 110 ms 59068 KB Output is correct
68 Correct 111 ms 59068 KB Output is correct
69 Correct 109 ms 59068 KB Output is correct
70 Correct 109 ms 59068 KB Output is correct
71 Correct 108 ms 59068 KB Output is correct
72 Correct 112 ms 59192 KB Output is correct
73 Correct 108 ms 59068 KB Output is correct
74 Correct 110 ms 59068 KB Output is correct
75 Correct 110 ms 59196 KB Output is correct
76 Correct 110 ms 59092 KB Output is correct
77 Correct 112 ms 59068 KB Output is correct
78 Correct 109 ms 59196 KB Output is correct
79 Correct 110 ms 59068 KB Output is correct
80 Correct 112 ms 59068 KB Output is correct
81 Correct 112 ms 59196 KB Output is correct
82 Correct 109 ms 59068 KB Output is correct
83 Correct 114 ms 59068 KB Output is correct
84 Correct 116 ms 59068 KB Output is correct
85 Correct 117 ms 59068 KB Output is correct
86 Correct 116 ms 59068 KB Output is correct
87 Correct 114 ms 59068 KB Output is correct
88 Correct 114 ms 59068 KB Output is correct
89 Correct 120 ms 59068 KB Output is correct
90 Correct 115 ms 59068 KB Output is correct
91 Correct 117 ms 59068 KB Output is correct
92 Correct 120 ms 59196 KB Output is correct
93 Correct 123 ms 59068 KB Output is correct
94 Correct 119 ms 59068 KB Output is correct
95 Correct 120 ms 59068 KB Output is correct
96 Correct 121 ms 59068 KB Output is correct
97 Correct 121 ms 59196 KB Output is correct
98 Correct 119 ms 59068 KB Output is correct
99 Correct 119 ms 59068 KB Output is correct
100 Correct 122 ms 59196 KB Output is correct
101 Correct 122 ms 59196 KB Output is correct
102 Correct 120 ms 59068 KB Output is correct