제출 #210859

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
210859		tleontest1	학생 (COCI14_studentsko)	C++14	30 / 100	1071 ms	39900 KiB

studentsko

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< int,int > PII;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 5002;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t;
int cev;
string s;
map<int,int> mpp;
map<PII,int> dp;
vector<int> v;

inline int f(int sira,int last){
	int cevv=0;
	if(sira>n)return 0;
	if(dp.find(mp(sira,last))!=dp.end())return dp[mp(sira,last)];
	cevv=max(cevv,f(sira+1,last));
	if(mpp[a[sira]]>=mpp[a[last]])cevv=max(cevv,f(sira+1,sira)+1);
	return dp[mp(sira,last)]=cevv;
}

int main(void){
	//~ memset(dp,-1,sizeof(dp));
	scanf("%d %d",&n,&m);
	FOR{
		scanf("%d",&a[i]);
		b[i]=a[i];
	}
	sort(b+1,b+n+1);
	FOR{
		mpp[b[i]]=(i-1)/m+1;
	}
	
	printf("%d\n",n-f(1,0));
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

studentsko.cpp: In function 'int main()':
studentsko.cpp:47:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
studentsko.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10