제출 #502767

#제출 시각아이디문제언어결과실행 시간메모리
502767beksultan04Financial Report (JOI21_financial)C++14
28 / 100
136 ms11984 KiB
#include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; //#define int long long #define pii pair<int,int> #define ret return #define fr first #define sc second #define OK puts("OK"); #define NO puts("NO"); #define YES puts("YES"); #define all(s) s.begin(),s.end() #define allr(s) s.rbegin(),s.rend() #define nosol puts("-1"); #define pb push_back #define endi puts(""); #define ordered_set tree <int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> const int N = 3e5+12,INF = 1e9+7; int a[N],dp[1000][1000]; int main(){ int i,n,d,j,ans=0; cin>>n>>d; vector <int> v; set <int> s{-1}; map <int,int> mp; for (i=1;i<=n;++i){ cin>>a[i]; s.insert(a[i]); } int cnt = 0; for (auto x:s) mp[x] = cnt++; for (i=1;i<=n;++i) a[i] = mp[a[i]]; for (i=1;i<=n;++i){ for (j=0;j<cnt;++j){ for (int l = max(i-d,0);l < i;++l){ dp[i][max(a[i],j)] = max(dp[i][max(a[i],j)],dp[l][j] + (a[i] > j)); } } } for (i=1;i<=n;++i) for (j=0;j<cnt;++j) ans = max(ans,dp[i][j]); cout <<ans; }
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