Submission #13741

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
13741	2015-03-30 14:48:44	gs13068	역사적 조사 (JOI14_historical)	C++98	5 / 100	38 ms	147784 KiB

historic

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#include<cstdio>
#include<algorithm>
int a[111111];
int t[111111],tn;
int c[111111][333];
long long d[333][333];
int p[111111];
int main()
{
  long long res;
    int i,j,k,s,e,n,m,l,r;
    scanf("%d%d",&n,&m);
    for(i=0;i<n;i++)
  {
    scanf("%d",&a[i]);
    t[i]=a[i];
  }
  std::sort(t,t+n);
  tn=std::unique(t,t+n)-t;
    for(i=0;i<n;i++)a[i]=std::lower_bound(t,t+tn,a[i])-t;
  for(i=0;i<n;i++)
  {
    if(!(i&511))for(j=0;j<tn;j++)c[j][(i>>9)+1]=c[j][i>>9];
    d[a[i]][(i>>9)+1]++;
  }
  for(i=0;i<(n>>9);i++)
  {
    for(j=i+1;j<=(n>>9);j++)
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 25
• Subtask 4: 0 / 60