Submission #655666

#	Time	Username	Problem	Language	Result	Execution time	Memory
655666		tolbi	Rabbit Carrot (LMIO19_triusis)	C++17	14 / 100	3 ms	852 KiB

triusis

#pragma optimize("Bismillahirrahmanirrahim")
//█▀█─█──█──█▀█─█─█
//█▄█─█──█──█▄█─█▄█
//█─█─█▄─█▄─█─█─█─█
//Allahuekber
//ahmet23 orz...
//Sani buyuk Osman Pasa Plevneden cikmam diyor.
//FatihSultanMehmedHan
//YavuzSultanSelimHan
//AbdulhamidHan
#define author tolbi
#include <bits/stdc++.h>
#define int long long
#define endl '\n'
#define vint(x) vector<int> x
#define deci(x) int x;cin>>x;
#define decstr(x) string x;cin>>x;
#define cinarr(x) for (auto &it : x) cin>>it;
#define coutarr(x) for (auto &it : x) cout<<it<<" ";cout<<endl;
#define sortarr(x) sort(x.begin(),x.end())
#define sortrarr(x) sort(x.rbegin(),x.rend())
#define ayahya() chrono::steady_clock().now().time_since_epoch().count()
#define det(x) cout<<"NO\0YES"+x*3<<endl;
#define INF LONG_LONG_MAX
#define rev(x) reverse(x.begin(),x.end());
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define tol(bi) (1LL<<((int)(bi)))
const int MOD = 1e9+7;
using namespace std;
struct SegTree{
	vector<int> segtree;
	SegTree(int n){
		segtree.resize(tol(ceil(log2(n)+1))-1,0ll);
	}
	int query(int tarl, int tarr, int l = 0, int r = -1, int node = 0){
		if (r==-1) r = segtree.size()/2;
		if (l>=tarl && r<=tarr) return segtree[node];
		if (l>tarr || r<tarl) return 0ll;
		int mid = l+(r-l)/2;
		int lnode = query(tarl, tarr, l, mid, node*2+1);
		int rnode = query(tarl, tarr, mid+1, r, node*2+2);
		return max(lnode, rnode);
	}
	void update(int node, int val){
		node+=segtree.size()/2;
		segtree[node]=val;
		while (node){
			node=(node-1)/2;
			segtree[node]=max(segtree[node*2+1],segtree[node*2+2]);
		}
	}
};
int32_t main(){
	ios;
	int t=1;
	int tno = 0;
	if (!t) cin>>t;
	while (t-(tno++)){
		deci(n);deci(k);
		vint(arr(n));
		cinarr(arr);
		rev(arr);
		int cure = 0;
		int crans = 0;
		while (arr.size() && arr.back()>cure+k){
			cure+=k;
			crans++;
			arr.pop_back();
		}
		arr.push_back(cure);
		n=arr.size();
		rev(arr);
		for (int i = 0; i < n; i++){
			arr[i]-=i*k;
			arr[i]=-arr[i];
		}
		map<int,int> mp;
		int indi = 1;
		vector<int> barr=arr;
		sortarr(barr);
		for (int i = 0; i < barr.size(); i++){
			if (mp[barr[i]]) continue;
			mp[barr[i]]=indi++;
		}
		for (int i = 0; i < arr.size(); i++){
			arr[i]=mp[arr[i]];
		}
		SegTree segtree(indi+5);
		int ans = 0;
		for (int i = 0; i < arr.size(); i++){
			int val = segtree.query(0,arr[i])+1ll;
			segtree.update(arr[i],val);
			ans=max(ans,val);
		}
		cout<<crans+n-ans<<endl;
	}
}

Compilation message (stderr)

triusis.cpp:1: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    1 | #pragma optimize("Bismillahirrahmanirrahim")
      | 
triusis.cpp: In function 'int32_t main()':
triusis.cpp:81:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   81 |   for (int i = 0; i < barr.size(); i++){
      |                   ~~^~~~~~~~~~~~~
triusis.cpp:85:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |   for (int i = 0; i < arr.size(); i++){
      |                   ~~^~~~~~~~~~~~
triusis.cpp:90:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |   for (int i = 0; i < arr.size(); i++){
      |                   ~~^~~~~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37