#include<iostream>
#include<vector>
#include<map>
#include<set>
#include<cassert>
#include<cassert>
#include<unordered_map>
#include<unordered_set>
#include<functional>
#include<queue>
#include<stack>
#include<cstring>
#include<algorithm>
#include<cmath>
#include<sstream>
#include<iomanip>
#include<cstdio>
#include<cstdlib>
#include<numeric>
#include<random>
#include<chrono>
#include<bitset>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define xx first
#define yy second
#define sz(x) (int)(x).size()
#define gc getchar
#define IO ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define mp make_pair
#ifndef ONLINE_JUDGE
# define LOG(x) (cerr << #x << " = " << (x) << endl)
#else
# define LOG(x) ((void)0)
#endif
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
const double PI=3.1415926535897932384626433832795;
const ll INF = 1LL<<62;
const ll MINF = -1LL<<62;
template<typename T> T getint() {
T val=0;
char c;
bool neg=false;
while((c=gc()) && !(c>='0' && c<='9')) {
neg|=c=='-';
}
do {
val=(val*10)+c-'0';
} while((c=gc()) && (c>='0' && c<='9'));
return val*(neg?-1:1);
}
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); uniform_int_distribution<int>(0, n-1)(rng)
#define int ll
main() {
IO;
int n,m;
cin>>n>>m;
vector<int> a(n);
for(int i=0;i<n;++i) cin>>a[i];
for(int i=0;i<n;++i) a[i]-=(i+1)*m;
int ans=0;
if(a[0]>0) {
a[0]=0;
ans++;
}
vector<int> lis, lis2;
for(int i=n-1;i>=1;i--) {
if(a[i]<=0) {
auto it2=lower_bound(all(lis2), a[i]+1);
if(it2==lis2.end()) lis2.pb(a[i]);
else *it2=a[i];
}
if(a[i]>a[0]) continue ;
auto it=lower_bound(all(lis), a[i]+1);
if(it==lis.end()) lis.pb(a[i]);
else *it=a[i];
}
cout<<min(ans+(n-1-sz(lis)), n-sz(lis2))<<"\n";
return 0;
}
Compilation message
triusis.cpp:68:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main() {
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
504 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
6 ms |
504 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
504 KB |
Output is correct |
8 |
Correct |
5 ms |
504 KB |
Output is correct |
9 |
Correct |
6 ms |
504 KB |
Output is correct |
10 |
Correct |
5 ms |
632 KB |
Output is correct |
11 |
Correct |
5 ms |
504 KB |
Output is correct |
12 |
Correct |
5 ms |
548 KB |
Output is correct |
13 |
Correct |
6 ms |
504 KB |
Output is correct |
14 |
Correct |
5 ms |
504 KB |
Output is correct |
15 |
Correct |
6 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
504 KB |
Output is correct |
17 |
Correct |
5 ms |
504 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
504 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
544 KB |
Output is correct |
5 |
Correct |
6 ms |
504 KB |
Output is correct |
6 |
Correct |
6 ms |
504 KB |
Output is correct |
7 |
Correct |
6 ms |
556 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
504 KB |
Output is correct |
10 |
Correct |
5 ms |
504 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
504 KB |
Output is correct |
15 |
Correct |
6 ms |
504 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
504 KB |
Output is correct |
18 |
Correct |
5 ms |
504 KB |
Output is correct |
19 |
Correct |
6 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
632 KB |
Output is correct |
21 |
Correct |
5 ms |
504 KB |
Output is correct |
22 |
Correct |
5 ms |
548 KB |
Output is correct |
23 |
Correct |
6 ms |
504 KB |
Output is correct |
24 |
Correct |
5 ms |
504 KB |
Output is correct |
25 |
Correct |
6 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
504 KB |
Output is correct |
27 |
Correct |
5 ms |
504 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |
34 |
Correct |
5 ms |
504 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
5 ms |
376 KB |
Output is correct |
37 |
Correct |
5 ms |
376 KB |
Output is correct |
38 |
Correct |
5 ms |
376 KB |
Output is correct |
39 |
Correct |
5 ms |
376 KB |
Output is correct |
40 |
Correct |
5 ms |
376 KB |
Output is correct |
41 |
Correct |
5 ms |
376 KB |
Output is correct |
42 |
Correct |
5 ms |
376 KB |
Output is correct |
43 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
544 KB |
Output is correct |
5 |
Correct |
6 ms |
504 KB |
Output is correct |
6 |
Correct |
6 ms |
504 KB |
Output is correct |
7 |
Correct |
6 ms |
556 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
504 KB |
Output is correct |
10 |
Correct |
5 ms |
504 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
504 KB |
Output is correct |
15 |
Correct |
6 ms |
504 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
504 KB |
Output is correct |
18 |
Correct |
5 ms |
504 KB |
Output is correct |
19 |
Correct |
6 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
632 KB |
Output is correct |
21 |
Correct |
5 ms |
504 KB |
Output is correct |
22 |
Correct |
5 ms |
548 KB |
Output is correct |
23 |
Correct |
6 ms |
504 KB |
Output is correct |
24 |
Correct |
5 ms |
504 KB |
Output is correct |
25 |
Correct |
6 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
504 KB |
Output is correct |
27 |
Correct |
5 ms |
504 KB |
Output is correct |
28 |
Correct |
30 ms |
5220 KB |
Output is correct |
29 |
Correct |
35 ms |
1912 KB |
Output is correct |
30 |
Correct |
45 ms |
2040 KB |
Output is correct |
31 |
Correct |
42 ms |
1912 KB |
Output is correct |
32 |
Correct |
37 ms |
5220 KB |
Output is correct |
33 |
Correct |
43 ms |
5220 KB |
Output is correct |
34 |
Correct |
40 ms |
3436 KB |
Output is correct |
35 |
Correct |
49 ms |
7140 KB |
Output is correct |
36 |
Correct |
40 ms |
4588 KB |
Output is correct |
37 |
Correct |
28 ms |
3192 KB |
Output is correct |
38 |
Correct |
42 ms |
6472 KB |
Output is correct |
39 |
Correct |
41 ms |
6244 KB |
Output is correct |
40 |
Correct |
5 ms |
376 KB |
Output is correct |
41 |
Correct |
5 ms |
376 KB |
Output is correct |
42 |
Correct |
5 ms |
376 KB |
Output is correct |
43 |
Correct |
5 ms |
376 KB |
Output is correct |
44 |
Correct |
5 ms |
376 KB |
Output is correct |
45 |
Correct |
5 ms |
376 KB |
Output is correct |
46 |
Correct |
5 ms |
504 KB |
Output is correct |
47 |
Correct |
5 ms |
376 KB |
Output is correct |
48 |
Correct |
5 ms |
376 KB |
Output is correct |
49 |
Correct |
5 ms |
376 KB |
Output is correct |
50 |
Correct |
5 ms |
376 KB |
Output is correct |
51 |
Correct |
5 ms |
376 KB |
Output is correct |
52 |
Correct |
5 ms |
376 KB |
Output is correct |
53 |
Correct |
5 ms |
376 KB |
Output is correct |
54 |
Correct |
5 ms |
376 KB |
Output is correct |
55 |
Correct |
5 ms |
376 KB |
Output is correct |