#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int n, m;
vector<int> ans;
int best = 100;
bool check(vector<int> a) {
if (a[0] > m) return false;
for(int i = 1; i < n; i++) {
if (a[i] - a[i-1] > m) return false;
}
return true;
}
void go(int idx, vector<int> a, int changes) {
// cout << idx << "\n";
if (idx == n) {
if (changes < best && check(a)) {
best = changes;
} else return;
ans.resize(n);
ans = a;
return;
}
int i, k;
if (idx == 0)
i = 0;
else
i = a[idx-1];
if (idx == n-1)
k = 0;
else
k = a[idx+1];
go(idx+1, a, changes);
a[idx] = i + m;
go(idx+1, a, changes+1);
a[idx] = k - m;
go(idx+1, a, changes+1);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> m;
vector<int> a(n);
for(int i = 0; i < n; i++) {
cin >> a[i];
}
go(0, a, 0);
cout << best << "\n";
for(int i : ans) {
cerr << i << " ";
}
return 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 |
4 ms |
364 KB |
Output is correct |
5 |
Correct |
8 ms |
364 KB |
Output is correct |
6 |
Correct |
3 ms |
364 KB |
Output is correct |
7 |
Correct |
7 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 |
3 ms |
364 KB |
Output is correct |
11 |
Correct |
3 ms |
364 KB |
Output is correct |
12 |
Correct |
11 ms |
364 KB |
Output is correct |
13 |
Correct |
3 ms |
364 KB |
Output is correct |
14 |
Correct |
5 ms |
364 KB |
Output is correct |
15 |
Correct |
3 ms |
364 KB |
Output is correct |
16 |
Correct |
3 ms |
364 KB |
Output is correct |
# |
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 |
4 ms |
364 KB |
Output is correct |
5 |
Correct |
8 ms |
364 KB |
Output is correct |
6 |
Correct |
3 ms |
364 KB |
Output is correct |
7 |
Correct |
7 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 |
3 ms |
364 KB |
Output is correct |
11 |
Correct |
3 ms |
364 KB |
Output is correct |
12 |
Correct |
11 ms |
364 KB |
Output is correct |
13 |
Correct |
3 ms |
364 KB |
Output is correct |
14 |
Correct |
5 ms |
364 KB |
Output is correct |
15 |
Correct |
3 ms |
364 KB |
Output is correct |
16 |
Correct |
3 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
492 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Execution timed out |
1085 ms |
65500 KB |
Time limit exceeded |
21 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Execution timed out |
1085 ms |
65500 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Execution timed out |
1085 ms |
65500 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |