# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
386168 |
2021-04-05T21:53:55 Z |
fadi57 |
Lamps (JOI19_lamps) |
C++14 |
|
1000 ms |
129624 KB |
#include<bits/stdc++.h>
using namespace std;
const int mx=1e5+10;
typedef long long ll;
const int inf=1e9+3e5;
int n;string a,b;
int solve(int i){
if(i==n){return 0;}
int ret=inf;
ret=solve(i+1)+(a[i]!=b[i]);
int togle=0;int turn_on=0;int turn_of=0;
for(int j=i;j<n;j++){
togle+=(a[j]==b[j]);
turn_on+=(b[j]=='0');
turn_of+=(b[j]=='1');
if(j>i){
ret=min(ret,solve(j+1)+min(min(togle,turn_on),turn_of)+1);}
}
return ret;
}
int main(){
cin>>n>>a>>b;
cout<<solve(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 |
3 ms |
364 KB |
Output is correct |
9 |
Correct |
3 ms |
364 KB |
Output is correct |
10 |
Correct |
2 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
3 ms |
364 KB |
Output is correct |
13 |
Incorrect |
2 ms |
364 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
3 ms |
364 KB |
Output is correct |
9 |
Correct |
3 ms |
364 KB |
Output is correct |
10 |
Correct |
2 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
3 ms |
364 KB |
Output is correct |
13 |
Incorrect |
2 ms |
364 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
384 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 |
Execution timed out |
1096 ms |
129624 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
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 |
3 ms |
364 KB |
Output is correct |
9 |
Correct |
3 ms |
364 KB |
Output is correct |
10 |
Correct |
2 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
364 KB |
Output is correct |
12 |
Correct |
3 ms |
364 KB |
Output is correct |
13 |
Incorrect |
2 ms |
364 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |