Submission #144672

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
144672	2019-08-17 11:44:50	TadijaSebez	Examination (JOI19_examination)	C++11	100 / 100	748 ms	12604 KiB

examination

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
const int N=200050;
int a[N],b[N],c[N],t[N],p[N];
int cdq1[N],cdq2[N],tmp[N],ans[N];
void CDQ2D(int id[], int l, int r)
{
  if(l>=r) return;
  int mid=l+r>>1;
  CDQ2D(id,l,mid);CDQ2D(id,mid+1,r);
  int i=l,j=mid+1,k=l;
  int sum=0;
  while(k<=r)
  {
    if(j>r || (i<=mid && c[id[i]]>=c[id[j]]))
    {
      if(t[id[i]]==0 && p[id[i]]==0) sum++;
      tmp[k++]=id[i++];
    }
    else
    {
      if(t[id[j]]==1 && p[id[j]]==1) ans[id[j]]+=sum;
            tmp[k++]=id[j++];
    }
  }
  for(int z=l;z<=r;z++) id[z]=tmp[z];
}
void CDQ1D(int id[], int l, int r)
{
    if(l>=r) return;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

examination.cpp: In function 'void CDQ2D(int*, int, int)':
examination.cpp:9:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=l+r>>1;
          ~^~
examination.cpp: In function 'void CDQ1D(int*, int, int)':
examination.cpp:31:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=l+r>>1;
             ~^~
examination.cpp: In function 'int main()':
examination.cpp:45:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&q);
  ~~~~~^~~~~~~~~~~~~~~
examination.cpp:46:65: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%i %i",&a[i],&b[i]),c[i]=a[i]+b[i],t[i]=0;
                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
examination.cpp:47:63: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=n+1;i<=n+q;i++) scanf("%i %i %i",&a[i],&b[i],&c[i]),t[i]=1;
                            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 20 / 20
• Subtask 3: 21 / 21
• Subtask 4: 57 / 57