(UPD: 2024-12-04 14:48 UTC) Judge is not working due to Cloudflare incident. (URL) We can do nothing about it, sorry. After the incident is resolved, we will grade all submissions.

Submission #37622

#TimeUsernameProblemLanguageResultExecution timeMemory
37622KerimLongest beautiful sequence (IZhO17_subsequence)C++14
100 / 100
5466 ms48780 KiB
#pragma GCC optimize("Ofast,no-stack-protector") #pragma GCC target("avx") #include "bits/stdc++.h" #define MAXN 100009 #define INF 1000000007 #define mp(x,y) make_pair(x,y) #define all(v) v.begin(),v.end() #define pb(x) push_back(x) #define wr cout<<"----------------"<<endl; #define ppb() pop_back() #define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++) #define ff first #define ss second #define my_little_dodge 46 #define debug(x) cerr<< #x <<" = "<< x<<endl; using namespace std; typedef long long ll; typedef pair<int,int> PII; template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;} template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;} const int B=1024; int dp[B][B][11]; int arr[MAXN],k[MAXN],bit[B],par[MAXN],res[MAXN]; int main(){ //~ freopen("file.in", "r", stdin); for(int i=1;i<B;i++) bit[i]=__builtin_popcount(i); int n; scanf("%d",&n); for(int i=1;i<=n;i++) scanf("%d",arr+i); for(int i=1;i<=n;i++) scanf("%d",k+i); int ans=0,who; for(int i=1;i<=n;i++){ int a=arr[i]>>10; int b=arr[i]-a*B; res[i]=1; for(int j=0;j<B;j++){ int need=k[i]-bit[a&j]; if(need<0 or need>10) continue; if(umax(res[i],res[dp[j][b][need]]+1)) par[i]=dp[j][b][need]; } for(int j=0;j<B;j++) if(res[dp[a][j][bit[j&b]]]<res[i]) dp[a][j][bit[j&b]]=i; if(umax(ans,res[i])) who=i; } printf("%d\n",ans); vector<int>vec; while(who){ vec.pb(who); who=par[who]; }reverse(all(vec)); tr(it,vec) printf("%d ",*it); puts(""); return 0; }

Compilation message (stderr)

subsequence.cpp: In function 'int main()':
subsequence.cpp:31:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
subsequence.cpp:33:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",arr+i);
                    ^
subsequence.cpp:35:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",k+i);
                  ^
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...