Submission #156152

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
156152	2019-10-03 19:11:45	wildturtle	Arranging Shoes (IOI19_shoes)	C++14	0 / 100	23 ms	19448 KiB

shoes

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#include "shoes.h"
long long a,b,c,d,i,e,f,g,n,m,k,l,ans,idx,tree[200005],fix[200005],A[200005],B[200005],le,ri;
std::vector <long long> L[200005],R[200005];
void upd(long long node,long long tl,long long tr,long long pos){
  if(tl==tr) { tree[node]=1; return; }
  long long mid=(tl+tr)/2;
  if(pos<=mid) upd(node*2,tl,mid,pos);
  else upd(node*2+1,mid+1,tr,pos);
  tree[node]=tree[node*2]+tree[node*2+1];
}
long long get(long long node,long long tl,long long tr){
  if(ri<tl || tr<le) return 0;
  if(tr<=ri && le<=tl) return tree[node];
  long long mid=(tr+tl)/2;
  long long x=get(node*2,tl,mid);
  long long y=get(node*2+1,mid+1,tr);
  return x+y;
}
long long count_swaps(std::vector<int> s) {
           n=s.size();
           for(long long i=0;i<n;i++) {
                      if(s[i]<0) {
                                 L[-s[i]].push_back(i);
                      }
                      else {
                                 R[s[i]].push_back(i);
                      }
           }
           for(long long i=0;i<n;i++) {
                      if(fix[i]==0) {
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15