oj.uz

Submission #371200

# Submission time Handle Problem Language Result Execution time Memory
371200 2021-02-26T04:52:04 Z azberjibiou Lamps (JOI19_lamps) C++17
100 / 100
 103 ms 43520 KB 
#include <bits/stdc++.h>
#define fir first
#define sec second
#define ll long long
#define pll pair<ll, ll>
using namespace std;
const int mxN=1000100;
const int INF=10000001;
int N;
char A[mxN], B[mxN];
int state[mxN][5], dp[mxN][5];
int adj[5][5]={{0, 1, 1, 2, 2}, {0, 0, 1, 1, 2}, {0, 1, 0, 2, 1}, {0, 0, 1, 0, 4}, {0, 1, 0, 4, 0}};
int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> N;
    cin >> A+1;
    cin >> B+1;
    for(int i=1;i<=N;i++)
    {
        if(B[i]=='0')   state[i][2]=state[i][3]=1;
        else    state[i][1]=state[i][4]=1;
        if(A[i]!=B[i])   state[i][0]=1;
    }
    dp[0][1]=dp[0][2]=dp[0][3]=dp[0][4]=INF;
    for(int i=1;i<=N;i++)
    {
        for(int j=0;j<5;j++)    dp[i][j]=INF;
        for(int j=0;j<5;j++)
        {
            for(int k=0;k<5;k++)
            {
                int tmp=dp[i-1][k]+adj[k][j];
                if(state[i-1][k]==0 && state[i][j]==1)  tmp++;
                dp[i][j]=min(dp[i][j], tmp);
            }
        }
    }
    //for(int i=1;i<=N;i++)   for(int j=0;j<5;j++)    printf("dp[%d][%d]=%d\n", i, j, dp[i][j]);
    int ans=INF;
    for(int i=0;i<5;i++)
    {
        ans=min(ans, dp[N][i]);
    }
    cout << ans;
}

Compilation message

lamp.cpp: In function 'int main()':
lamp.cpp:18:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   18 |     cin >> A+1;
      |            ~^~
lamp.cpp:19:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   19 |     cin >> B+1;
      |            ~^~

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 364 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 376 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 364 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 376 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 404 KB Output is correct
42 Correct 1 ms 492 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 512 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 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 65 ms 42092 KB Output is correct
8 Correct 67 ms 42220 KB Output is correct
9 Correct 70 ms 42348 KB Output is correct
10 Correct 76 ms 42572 KB Output is correct
11 Correct 66 ms 42604 KB Output is correct
12 Correct 69 ms 42476 KB Output is correct
13 Correct 76 ms 42472 KB Output is correct
14 Correct 67 ms 42476 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 364 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 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 376 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 404 KB Output is correct
42 Correct 1 ms 492 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 512 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 364 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 65 ms 42092 KB Output is correct
66 Correct 67 ms 42220 KB Output is correct
67 Correct 70 ms 42348 KB Output is correct
68 Correct 76 ms 42572 KB Output is correct
69 Correct 66 ms 42604 KB Output is correct
70 Correct 69 ms 42476 KB Output is correct
71 Correct 76 ms 42472 KB Output is correct
72 Correct 67 ms 42476 KB Output is correct
73 Correct 69 ms 43372 KB Output is correct
74 Correct 77 ms 43372 KB Output is correct
75 Correct 71 ms 43500 KB Output is correct
76 Correct 68 ms 43372 KB Output is correct
77 Correct 67 ms 43372 KB Output is correct
78 Correct 76 ms 43372 KB Output is correct
79 Correct 66 ms 43372 KB Output is correct
80 Correct 69 ms 43520 KB Output is correct
81 Correct 67 ms 43372 KB Output is correct
82 Correct 69 ms 43372 KB Output is correct
83 Correct 84 ms 43500 KB Output is correct
84 Correct 76 ms 43500 KB Output is correct
85 Correct 80 ms 43372 KB Output is correct
86 Correct 96 ms 43500 KB Output is correct
87 Correct 91 ms 43372 KB Output is correct
88 Correct 78 ms 43372 KB Output is correct
89 Correct 77 ms 43372 KB Output is correct
90 Correct 78 ms 43500 KB Output is correct
91 Correct 82 ms 43372 KB Output is correct
92 Correct 87 ms 43372 KB Output is correct
93 Correct 103 ms 43372 KB Output is correct
94 Correct 87 ms 43372 KB Output is correct
95 Correct 88 ms 43500 KB Output is correct
96 Correct 95 ms 43372 KB Output is correct
97 Correct 87 ms 43332 KB Output is correct
98 Correct 86 ms 43372 KB Output is correct
99 Correct 88 ms 43372 KB Output is correct
100 Correct 87 ms 43372 KB Output is correct
101 Correct 92 ms 43372 KB Output is correct
102 Correct 90 ms 43500 KB Output is correct