제출 #791022

#제출 시각아이디문제언어결과실행 시간메모리
791022JakobZorzGlobal Warming (CEOI18_glo)C++14
15 / 100
2055 ms11864 KiB
#include <iostream> #include <vector> #include <queue> #include <algorithm> #include <set> #include <stack> #include <limits.h> #include <math.h> #include <iomanip> #include <bitset> #include <unordered_map> #include <unordered_set> #include <map> #include <cstring> #include <sstream> #pragma GCC target("popcnt") typedef long long ll; typedef long double ld; using namespace std; const int MOD=1e9+7; typedef pair<ll,ll>point; //#define x first //#define y second int n,x; int arr[200000]; int dp[1000][1000]; bool dpt[1000][1000]; int get(int curr,int end){ if(dpt[curr][end]) return dp[curr][end]; int res=1; int a=arr[curr]; if(end>curr) a-=x; for(int i=0;i<curr;i++){ int b=arr[i]; if(end>i) b-=x; if(b<a) res=max(res,get(i,end)+1); } dpt[curr][end]=true; dp[curr][end]=res; return res; } int main(){ ios::sync_with_stdio(false); cout.tie(NULL); cin.tie(NULL); //freopen("speeding.in","r",stdin); //freopen("speeding.out","w",stdout); cin>>n>>x; for(int i=0;i<n;i++) cin>>arr[i]; int res=0; for(int end=0;end<=n;end++){ for(int i=0;i<n;i++){ res=max(res,get(i,end)); } } cout<<res<<"\n"; return 0; } /* 8 10 7 3 5 12 2 7 3 4 */
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