Submission #201404

#	Time	Username	Problem	Language	Result	Execution time	Memory
201404		ArKCa	Studentsko (COCI14_studentsko)	C++17	100 / 100	54 ms	888 KiB

studentsko

#include<bits/stdc++.h>
#define  f1   first
#define  s2   second
#define  pb   push_back
#define  pob  pop_back
#define  int  ll
#define  ll   long long 
#define  PII  pair<int,int> 
#define  N    5003

using namespace std;


int n,k;

int dizi[N],dizim[N],sa[N];
map<int,int>m;
int32_t main(){
	// freopen("a.gir","r",stdin);
	// freopen("a.cik","w",stdout);
	scanf("%lld %lld",&n,&k);

	for(int i=0;i<n;i++){
		scanf("%lld",&dizi[i]);
		dizim[i]=dizi[i];
	}
	sort(dizim,dizim+n);
	for(int i=0;i<n;i++){
		m[dizim[i]]=i/k;
	}	
	for(int i=0;i<n;i++)dizi[i]=m[dizi[i]];
	int mx=0;
	for(int i=n-1;i>=0;i--){
		sa[i]=1;
		for(int j=i+1;j<n;j++){
			if(dizi[i]<=dizi[j])
				sa[i]=max(sa[i],sa[j]+1);
		}
		mx=max(mx,sa[i]);
	}
	printf("%lld\n",n-mx );
}

Compilation message (stderr)

studentsko.cpp: In function 'int32_t main()':
studentsko.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld",&n,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~~
studentsko.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&dizi[i]);
   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10