# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
865943 |
2023-10-25T05:06:38 Z |
yeediot |
Lamps (JOI19_lamps) |
C++14 |
|
92 ms |
90608 KB |
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
//Don't open the standings during contests.
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int n;
cin>>n;
string a,b;
cin>>a>>b;
a="#"+a;
b="#"+b;
vector<vector<int>>dp(n+1,vector<int>(6,8e18));
dp[0][0]=0;
for(int i=1;i<=n;i++){
if(a[i]==b[i]){
dp[i][0]=min({dp[i-1][0],dp[i-1][1],dp[i-1][2],dp[i-1][3],dp[i-1][4],dp[i-1][5]});
}
else{
dp[i][3]=min({dp[i-1][0]+1,dp[i-1][1]+1,dp[i-1][2]+1,dp[i-1][3],dp[i-1][4],dp[i-1][5]});
}
if(b[i]=='0'){
dp[i][1]=min({dp[i-1][0]+1,dp[i-1][1],dp[i-1][2]+1,dp[i-1][3]+1,dp[i-1][4],dp[i-1][5]+1});
dp[i][5]=min({dp[i-1][0]+2,dp[i-1][1]+2,dp[i-1][2]+1,dp[i-1][3]+1,dp[i-1][4]+1,dp[i-1][5]});
}
else{
dp[i][2]=min({dp[i-1][0]+1,dp[i-1][1]+1,dp[i-1][2],dp[i-1][3]+1,dp[i-1][4]+1,dp[i-1][5]});
dp[i][4]=min({dp[i-1][0]+2,dp[i-1][1]+1,dp[i-1][2]+2,dp[i-1][3]+1,dp[i-1][4],dp[i-1][5]+1});
}
//cout<<dp[i][0]<<' '<<dp[i][1]<<' '<<dp[i][2]<<' '<<dp[i][3]<<' '<<dp[i][4]<<' '<<dp[i][5]<<'\n';
}
cout<<min({dp[n][0],dp[n][1],dp[n][2],dp[n][3],dp[n][4],dp[n][5]})<<'\n';
}
/*
input:
0
1 1
2 2
3 3
4 1 3
5 2 3
*/
Compilation message
lamp.cpp: In function 'void setIO(std::string)':
lamp.cpp:17:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
17 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lamp.cpp:18:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
18 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
356 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
456 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 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 |
1 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 |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
600 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
456 KB |
Output is correct |
25 |
Correct |
0 ms |
456 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
452 KB |
Output is correct |
28 |
Correct |
0 ms |
344 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 |
456 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 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
356 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
456 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 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 |
1 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 |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
600 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
456 KB |
Output is correct |
25 |
Correct |
0 ms |
456 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
452 KB |
Output is correct |
28 |
Correct |
0 ms |
344 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 |
456 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 |
1 ms |
604 KB |
Output is correct |
36 |
Correct |
0 ms |
604 KB |
Output is correct |
37 |
Correct |
1 ms |
604 KB |
Output is correct |
38 |
Correct |
0 ms |
604 KB |
Output is correct |
39 |
Correct |
1 ms |
604 KB |
Output is correct |
40 |
Correct |
0 ms |
604 KB |
Output is correct |
41 |
Correct |
1 ms |
600 KB |
Output is correct |
42 |
Correct |
0 ms |
604 KB |
Output is correct |
43 |
Correct |
1 ms |
456 KB |
Output is correct |
44 |
Correct |
1 ms |
604 KB |
Output is correct |
45 |
Correct |
1 ms |
612 KB |
Output is correct |
46 |
Correct |
1 ms |
612 KB |
Output is correct |
47 |
Correct |
0 ms |
612 KB |
Output is correct |
48 |
Correct |
0 ms |
612 KB |
Output is correct |
49 |
Correct |
0 ms |
608 KB |
Output is correct |
50 |
Correct |
0 ms |
612 KB |
Output is correct |
51 |
Correct |
1 ms |
604 KB |
Output is correct |
52 |
Correct |
1 ms |
604 KB |
Output is correct |
53 |
Correct |
0 ms |
604 KB |
Output is correct |
54 |
Correct |
1 ms |
604 KB |
Output is correct |
55 |
Correct |
1 ms |
604 KB |
Output is correct |
56 |
Correct |
1 ms |
604 KB |
Output is correct |
57 |
Correct |
0 ms |
604 KB |
Output is correct |
58 |
Correct |
0 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
456 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 |
71 ms |
89624 KB |
Output is correct |
8 |
Correct |
71 ms |
89584 KB |
Output is correct |
9 |
Correct |
82 ms |
89700 KB |
Output is correct |
10 |
Correct |
73 ms |
89592 KB |
Output is correct |
11 |
Correct |
74 ms |
89788 KB |
Output is correct |
12 |
Correct |
70 ms |
89592 KB |
Output is correct |
13 |
Correct |
77 ms |
89952 KB |
Output is correct |
14 |
Correct |
71 ms |
89596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
356 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
456 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
1 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 |
1 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 |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
600 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
456 KB |
Output is correct |
25 |
Correct |
0 ms |
456 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
0 ms |
452 KB |
Output is correct |
28 |
Correct |
0 ms |
344 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 |
456 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 |
1 ms |
604 KB |
Output is correct |
36 |
Correct |
0 ms |
604 KB |
Output is correct |
37 |
Correct |
1 ms |
604 KB |
Output is correct |
38 |
Correct |
0 ms |
604 KB |
Output is correct |
39 |
Correct |
1 ms |
604 KB |
Output is correct |
40 |
Correct |
0 ms |
604 KB |
Output is correct |
41 |
Correct |
1 ms |
600 KB |
Output is correct |
42 |
Correct |
0 ms |
604 KB |
Output is correct |
43 |
Correct |
1 ms |
456 KB |
Output is correct |
44 |
Correct |
1 ms |
604 KB |
Output is correct |
45 |
Correct |
1 ms |
612 KB |
Output is correct |
46 |
Correct |
1 ms |
612 KB |
Output is correct |
47 |
Correct |
0 ms |
612 KB |
Output is correct |
48 |
Correct |
0 ms |
612 KB |
Output is correct |
49 |
Correct |
0 ms |
608 KB |
Output is correct |
50 |
Correct |
0 ms |
612 KB |
Output is correct |
51 |
Correct |
1 ms |
604 KB |
Output is correct |
52 |
Correct |
1 ms |
604 KB |
Output is correct |
53 |
Correct |
0 ms |
604 KB |
Output is correct |
54 |
Correct |
1 ms |
604 KB |
Output is correct |
55 |
Correct |
1 ms |
604 KB |
Output is correct |
56 |
Correct |
1 ms |
604 KB |
Output is correct |
57 |
Correct |
0 ms |
604 KB |
Output is correct |
58 |
Correct |
0 ms |
604 KB |
Output is correct |
59 |
Correct |
0 ms |
344 KB |
Output is correct |
60 |
Correct |
0 ms |
456 KB |
Output is correct |
61 |
Correct |
0 ms |
348 KB |
Output is correct |
62 |
Correct |
0 ms |
348 KB |
Output is correct |
63 |
Correct |
0 ms |
348 KB |
Output is correct |
64 |
Correct |
0 ms |
348 KB |
Output is correct |
65 |
Correct |
71 ms |
89624 KB |
Output is correct |
66 |
Correct |
71 ms |
89584 KB |
Output is correct |
67 |
Correct |
82 ms |
89700 KB |
Output is correct |
68 |
Correct |
73 ms |
89592 KB |
Output is correct |
69 |
Correct |
74 ms |
89788 KB |
Output is correct |
70 |
Correct |
70 ms |
89592 KB |
Output is correct |
71 |
Correct |
77 ms |
89952 KB |
Output is correct |
72 |
Correct |
71 ms |
89596 KB |
Output is correct |
73 |
Correct |
72 ms |
90348 KB |
Output is correct |
74 |
Correct |
74 ms |
90296 KB |
Output is correct |
75 |
Correct |
84 ms |
90348 KB |
Output is correct |
76 |
Correct |
69 ms |
90356 KB |
Output is correct |
77 |
Correct |
73 ms |
90364 KB |
Output is correct |
78 |
Correct |
73 ms |
90472 KB |
Output is correct |
79 |
Correct |
87 ms |
90360 KB |
Output is correct |
80 |
Correct |
82 ms |
90596 KB |
Output is correct |
81 |
Correct |
80 ms |
90384 KB |
Output is correct |
82 |
Correct |
70 ms |
90360 KB |
Output is correct |
83 |
Correct |
77 ms |
90448 KB |
Output is correct |
84 |
Correct |
74 ms |
90568 KB |
Output is correct |
85 |
Correct |
79 ms |
90468 KB |
Output is correct |
86 |
Correct |
74 ms |
90360 KB |
Output is correct |
87 |
Correct |
92 ms |
90292 KB |
Output is correct |
88 |
Correct |
77 ms |
90260 KB |
Output is correct |
89 |
Correct |
73 ms |
90468 KB |
Output is correct |
90 |
Correct |
79 ms |
90352 KB |
Output is correct |
91 |
Correct |
76 ms |
90352 KB |
Output is correct |
92 |
Correct |
77 ms |
90228 KB |
Output is correct |
93 |
Correct |
80 ms |
90468 KB |
Output is correct |
94 |
Correct |
81 ms |
90608 KB |
Output is correct |
95 |
Correct |
79 ms |
90464 KB |
Output is correct |
96 |
Correct |
78 ms |
90388 KB |
Output is correct |
97 |
Correct |
78 ms |
90360 KB |
Output is correct |
98 |
Correct |
79 ms |
90468 KB |
Output is correct |
99 |
Correct |
84 ms |
90308 KB |
Output is correct |
100 |
Correct |
82 ms |
90244 KB |
Output is correct |
101 |
Correct |
77 ms |
90468 KB |
Output is correct |
102 |
Correct |
88 ms |
90356 KB |
Output is correct |