#include <bits/stdc++.h>
using namespace std;
set<pair<long long, long long> > s;
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long n, m, ans=1e18;
cin >> n >> m;
s.insert({0, 0});
s.insert({1e18, 1e18});
for (long long i=1; i<=n; i++)
{
long long x, y;
cin >> x;
y=(*s.lower_bound({x-m*i, -1e18})).second;
auto itr=s.lower_bound({x-m*i, -1e18});
if (y-1<(*itr).second)
{
long long fi=(*itr).first, se=(*itr).second;
auto itr2=itr;
while (y-1<(*itr2).second)
{
itr2=s.erase(itr2);
if (itr2==s.begin())
break;
itr2--;
}
if (x-m*i==fi)
s.insert({fi, y-1});
else
{
s.insert({fi, se});
s.insert({x-m*i, y-1});
}
}
}
for (auto itr=s.begin(); itr!=s.end(); itr++)
ans=min(ans, itr->second+n);
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
0 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
3 ms |
468 KB |
Output is correct |
21 |
Correct |
4 ms |
596 KB |
Output is correct |
22 |
Correct |
3 ms |
212 KB |
Output is correct |
23 |
Correct |
3 ms |
596 KB |
Output is correct |
24 |
Correct |
3 ms |
596 KB |
Output is correct |
25 |
Correct |
3 ms |
596 KB |
Output is correct |
26 |
Correct |
4 ms |
596 KB |
Output is correct |
27 |
Correct |
2 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
3 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
592 KB |
Output is correct |
31 |
Correct |
2 ms |
468 KB |
Output is correct |
32 |
Correct |
3 ms |
596 KB |
Output is correct |
33 |
Correct |
2 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
3 ms |
468 KB |
Output is correct |
5 |
Correct |
4 ms |
596 KB |
Output is correct |
6 |
Correct |
3 ms |
212 KB |
Output is correct |
7 |
Correct |
3 ms |
596 KB |
Output is correct |
8 |
Correct |
3 ms |
596 KB |
Output is correct |
9 |
Correct |
3 ms |
596 KB |
Output is correct |
10 |
Correct |
4 ms |
596 KB |
Output is correct |
11 |
Correct |
2 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
3 ms |
596 KB |
Output is correct |
14 |
Correct |
2 ms |
592 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
3 ms |
596 KB |
Output is correct |
17 |
Correct |
2 ms |
596 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
0 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
0 ms |
212 KB |
Output is correct |
26 |
Correct |
0 ms |
212 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |
34 |
Correct |
4 ms |
388 KB |
Output is correct |
35 |
Correct |
4 ms |
388 KB |
Output is correct |
36 |
Correct |
4 ms |
340 KB |
Output is correct |
37 |
Correct |
3 ms |
588 KB |
Output is correct |
38 |
Correct |
2 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
2 ms |
468 KB |
Output is correct |
41 |
Correct |
2 ms |
340 KB |
Output is correct |
42 |
Correct |
4 ms |
596 KB |
Output is correct |
43 |
Correct |
3 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
388 KB |
Output is correct |
2 |
Correct |
4 ms |
388 KB |
Output is correct |
3 |
Correct |
4 ms |
340 KB |
Output is correct |
4 |
Correct |
3 ms |
588 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
2 ms |
468 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
4 ms |
596 KB |
Output is correct |
10 |
Correct |
3 ms |
596 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
3 ms |
468 KB |
Output is correct |
15 |
Correct |
4 ms |
596 KB |
Output is correct |
16 |
Correct |
3 ms |
212 KB |
Output is correct |
17 |
Correct |
3 ms |
596 KB |
Output is correct |
18 |
Correct |
3 ms |
596 KB |
Output is correct |
19 |
Correct |
3 ms |
596 KB |
Output is correct |
20 |
Correct |
4 ms |
596 KB |
Output is correct |
21 |
Correct |
2 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
3 ms |
596 KB |
Output is correct |
24 |
Correct |
2 ms |
592 KB |
Output is correct |
25 |
Correct |
2 ms |
468 KB |
Output is correct |
26 |
Correct |
3 ms |
596 KB |
Output is correct |
27 |
Correct |
2 ms |
596 KB |
Output is correct |
28 |
Correct |
0 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
212 KB |
Output is correct |
30 |
Correct |
0 ms |
212 KB |
Output is correct |
31 |
Correct |
0 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
0 ms |
212 KB |
Output is correct |
36 |
Correct |
0 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
212 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
1 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
212 KB |
Output is correct |
43 |
Correct |
1 ms |
212 KB |
Output is correct |
44 |
Correct |
157 ms |
13224 KB |
Output is correct |
45 |
Correct |
127 ms |
2312 KB |
Output is correct |
46 |
Correct |
121 ms |
2396 KB |
Output is correct |
47 |
Correct |
125 ms |
2420 KB |
Output is correct |
48 |
Correct |
104 ms |
13124 KB |
Output is correct |
49 |
Correct |
145 ms |
13864 KB |
Output is correct |
50 |
Correct |
49 ms |
2208 KB |
Output is correct |
51 |
Correct |
41 ms |
2212 KB |
Output is correct |
52 |
Correct |
93 ms |
7396 KB |
Output is correct |
53 |
Correct |
36 ms |
1456 KB |
Output is correct |
54 |
Correct |
153 ms |
13552 KB |
Output is correct |
55 |
Correct |
119 ms |
13624 KB |
Output is correct |