Submission #1096267

#TimeUsernameProblemLanguageResultExecution timeMemory
1096267trinhvtuanGlobal Warming (CEOI18_glo)C++17
38 / 100
2059 ms12752 KiB
#include <bits/stdc++.h> using namespace std; long long k,c,d,x,y,z,n,kq,kq1; int i,j; long long ans[1000001],b[1000001],st[1000001]; struct gv { long long val,vitri; }; gv a[1000001]; bool cmp(gv x,gv y) { if (x.val<y.val) return true; if (x.val==y.val && x.vitri>y.vitri) return true; return false; } void buildtree(int id,int l,int r) { if (l==r) { st[id]=0; return; } int mid=(l+r)/2; buildtree(id*2,l,mid); buildtree(id*2+1,mid+1,r); st[id]=st[id*2]+st[id*2+1]; } void update(int id,int l,int r,int i,int val) { if (i<l || r<i) return; if (l==r) { st[id]=val; return; } int mid=(l+r)/2; update(id*2,l,mid,i,val); update(id*2+1,mid+1,r,i,val); st[id]=max(st[id*2],st[id*2+1]); } long long get(int id,int l,int r,int u,int v) { if (v<l || r<u) return 0; if (u<=l && r<=v) return st[id]; int mid=(l+r)/2; return max(get(id*2,l,mid,u,v),get(id*2+1,mid+1,r,u,v)); } void solve() { buildtree(1,1,n); kq=0; sort(a+1,a+n+1,cmp); for (int i=1;i<=n;i++) { c=get(1,1,n,1,a[i].vitri)+1; ans[a[i].vitri]=c; update(1,1,n,a[i].vitri,c); } for (int i=1;i<=n;i++) kq=max(kq,ans[i]); //cout<<kq<<"\n"; kq1=max(kq1,kq); } void sub1() { for (int i=1;i<=n;i++) { for (int j=1;j<i;j++) { a[j].val=b[j]; a[j].vitri=j; } for (int j=i;j<=n;j++) { a[j].val=b[j]+k; a[j].vitri=j; } solve(); } cout<<kq1; } void sub2() { for (int i=1;i<=n;i++) { a[i].val=b[i]; a[i].vitri=i; } sort(a+1,a+n+1,cmp); for (int i=1;i<=n;i++) { c=get(1,1,n,1,a[i].vitri)+1; ans[a[i].vitri]=c; update(1,1,n,a[i].vitri,c); } for (int i=1;i<=n;i++) kq=max(kq,ans[i]); cout<<kq; } int main() { //freopen("daydep.inp", "r" ,stdin); //freopen("daydep.out", "w" ,stdout); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin>>n>>k; for (int i=1;i<=n;i++) { cin>>b[i]; } if (k!=0) sub1(); else sub2(); }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...