#ifdef LOCAL
// #include "librerie locali/debugging.h"
#else
#pragma GCC optimize("Ofast,unroll-loops")
#endif
#include <bits/stdc++.h>
using namespace std;
#define rep(i, x) for (int i = 0; i < (x); i++)
#define reps(i,j,x) for(int i=(j);i<(x);i++)
#define repp(i,x) for(int i = 1; i <= (x); i++)
#define all(a) a.begin(),a.end()
#define allr(a) a.rbegin(),a.rend()
#define maxint numeric_limits<int>::max()
#define minint numeric_limits<int>::min()
#define maxll numeric_limits<ll>::max()
#define minll numeric_limits<ll>::min()
#define nl '\n'
#define f first
#define s second
#define pb push_back
typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int ui;
typedef pair<int, int> pi;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<ll, ll> pll;
typedef vector<ll> vll;
typedef vector<vll> vvll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
typedef vector<vpi> vvpi;
typedef vector<vpll> vvpll;
typedef array<int, 3> i3;
typedef array<ll, 3> ll3;
typedef array<int, 4> i4;
typedef array<ll, 4> ll4;
typedef vector<i3> vi3;
typedef vector<ll3> vll3;
typedef vector<i4> vi4;
typedef vector<ll4> vll4;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<string> vs;
constexpr ll mod = 998244353;//1000000007;
ll nxt() {ll x;cin >> x;return x;}
template <class T> void make_unique(T &arr) {sort(all(arr)); arr.resize(unique(all(arr)) - arr.begin());}
void print(){cout<<endl;} template <typename T, typename... Types> void print(T var1, Types... var2) {cout<<var1<<" ";print(var2...);}
void printf(){cout<<nl;} template <typename T, typename... Types> void printf(T var1, Types... var2) {cout<<var1<<" ";printf(var2...);}
template <typename T> T maxm(T var) {return var;} template <typename T, typename... Types> T maxm(T var1, Types... var2) {return max(var1,maxm(var2...));}
template <typename T> T minm(T var) {return var;} template <typename T, typename... Types> T minm(T var1, Types... var2) {return min(var1,minm(var2...));}
ll lpow(ll base, ll exp){ll result = 1;for (;;){if (exp & 1)result *= base;exp >>= 1;if (!exp)break;base *= base;}return result;}
int log2_floor(unsigned long long i) {return i ? __builtin_clzll(1) - __builtin_clzll(i) : 0;}
template <typename T> T maxv(vector<T> &var) {T maxi=numeric_limits<T>::min();for(auto x : var)maxi=max(maxi,x);return maxi;}
template <typename T> T minv(vector<T> &var) {T mini=numeric_limits<T>::max();for(auto x : var)mini=min(mini,x);return mini;}
ll fastExp(ll a, ll b){ll res = 1;while(b){if(b&1)res = res*a%mod;a = a*a%mod;b>>=1;}return res;}
ll modInv(ll a){return fastExp(a,mod-2);}
ll gcd(ll a, ll b,ll &x, ll &y){if(b == 0){x = 1;y = 0;return a;}ll x1,y1;ll g = gcd(b,a%b,x1,y1);x=y1;y=x1- y1 * (a/b);return g;}
ll gcd(ll a, ll b){if(b == 0)return a;return gcd(b,a%b);}
void solve();
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
#ifdef LOCAL
freopen("snakes.in", "r", stdin);
#endif
// freopen("snakes.out", "w", stdout);
cout << fixed << setprecision(15);
int t=1;
// cin>>t;
rep(i,t){
solve();
}
}
void solve(){
ll n,m;
cin>>n>>m;
vll arr(n+1);
arr[0]=0;
repp(i,n){
arr[i] = -nxt() + m*i;
}
vll top;
// print(arr);
rep(i,n+1)if(arr[i]>=0){
auto it = upper_bound(all(top),arr[i]);
if(it==top.end())top.pb(arr[i]);
else *it=arr[i];
}
cout<<n+1-top.size()<<nl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
2 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
2 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
456 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
592 KB |
Output is correct |
22 |
Correct |
1 ms |
508 KB |
Output is correct |
23 |
Correct |
2 ms |
592 KB |
Output is correct |
24 |
Correct |
2 ms |
592 KB |
Output is correct |
25 |
Correct |
1 ms |
592 KB |
Output is correct |
26 |
Correct |
1 ms |
592 KB |
Output is correct |
27 |
Correct |
1 ms |
504 KB |
Output is correct |
28 |
Correct |
1 ms |
592 KB |
Output is correct |
29 |
Correct |
2 ms |
468 KB |
Output is correct |
30 |
Correct |
1 ms |
592 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
592 KB |
Output is correct |
33 |
Correct |
2 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
456 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
592 KB |
Output is correct |
6 |
Correct |
1 ms |
508 KB |
Output is correct |
7 |
Correct |
2 ms |
592 KB |
Output is correct |
8 |
Correct |
2 ms |
592 KB |
Output is correct |
9 |
Correct |
1 ms |
592 KB |
Output is correct |
10 |
Correct |
1 ms |
592 KB |
Output is correct |
11 |
Correct |
1 ms |
504 KB |
Output is correct |
12 |
Correct |
1 ms |
592 KB |
Output is correct |
13 |
Correct |
2 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
592 KB |
Output is correct |
15 |
Correct |
2 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
592 KB |
Output is correct |
17 |
Correct |
2 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
336 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
31 |
Correct |
2 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
336 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
36 |
Correct |
2 ms |
336 KB |
Output is correct |
37 |
Correct |
1 ms |
592 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
1 ms |
468 KB |
Output is correct |
40 |
Correct |
1 ms |
336 KB |
Output is correct |
41 |
Correct |
1 ms |
336 KB |
Output is correct |
42 |
Correct |
2 ms |
592 KB |
Output is correct |
43 |
Correct |
1 ms |
692 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
2 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
592 KB |
Output is correct |
5 |
Correct |
2 ms |
592 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
2 ms |
592 KB |
Output is correct |
10 |
Correct |
1 ms |
692 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
456 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
592 KB |
Output is correct |
16 |
Correct |
1 ms |
508 KB |
Output is correct |
17 |
Correct |
2 ms |
592 KB |
Output is correct |
18 |
Correct |
2 ms |
592 KB |
Output is correct |
19 |
Correct |
1 ms |
592 KB |
Output is correct |
20 |
Correct |
1 ms |
592 KB |
Output is correct |
21 |
Correct |
1 ms |
504 KB |
Output is correct |
22 |
Correct |
1 ms |
592 KB |
Output is correct |
23 |
Correct |
2 ms |
468 KB |
Output is correct |
24 |
Correct |
1 ms |
592 KB |
Output is correct |
25 |
Correct |
2 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
592 KB |
Output is correct |
27 |
Correct |
2 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
1 ms |
336 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
36 |
Correct |
1 ms |
336 KB |
Output is correct |
37 |
Correct |
1 ms |
348 KB |
Output is correct |
38 |
Correct |
1 ms |
336 KB |
Output is correct |
39 |
Correct |
1 ms |
336 KB |
Output is correct |
40 |
Correct |
1 ms |
336 KB |
Output is correct |
41 |
Correct |
2 ms |
336 KB |
Output is correct |
42 |
Correct |
1 ms |
336 KB |
Output is correct |
43 |
Correct |
1 ms |
336 KB |
Output is correct |
44 |
Correct |
14 ms |
5580 KB |
Output is correct |
45 |
Correct |
17 ms |
3912 KB |
Output is correct |
46 |
Correct |
24 ms |
3920 KB |
Output is correct |
47 |
Correct |
20 ms |
3804 KB |
Output is correct |
48 |
Correct |
20 ms |
6108 KB |
Output is correct |
49 |
Correct |
17 ms |
6356 KB |
Output is correct |
50 |
Correct |
20 ms |
5328 KB |
Output is correct |
51 |
Correct |
20 ms |
7116 KB |
Output is correct |
52 |
Correct |
16 ms |
4048 KB |
Output is correct |
53 |
Correct |
12 ms |
3160 KB |
Output is correct |
54 |
Correct |
17 ms |
6104 KB |
Output is correct |
55 |
Correct |
18 ms |
6092 KB |
Output is correct |