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Submission #255830

# Submission time Handle Problem Language Result Execution time Memory
255830 2020-08-01T22:58:02 Z uacoder123 Examination (JOI19_examination) C++14
22 / 100
 3000 ms 241496 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
#define F first
#define S second
#define FOR(i,a,b) for (auto i = (a); i <= (b); ++i)
#define NFOR(i,a,b) for(auto i = (a); i >= (b); --i)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
#define mp(i,a) make_pair(i,a)
#define pb(a) push_back(a)
#define bit(x,b) (x&(1LL<<b))
 
typedef long long int lli;
typedef pair <lli,lli> ii;
typedef pair <lli,ii> iii;
typedef vector <lli> vi;
typedef tree<
ii,
null_type,
less<ii>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

ordered_set segt[8*100000+1];
lli n,q,co=0;
void up(lli node,lli l,lli r,lli in,lli v)
{
  segt[node].insert(mp(v,co));
  co++;
  lli m=(l+r)/2;
  if(l!=r)
  {
    if(in<=m)
      up(2*node+1,l,m,in,v);
    else
      up(2*node+2,m+1,r,in,v);
  }
}
lli query(lli node,lli l,lli r,lli s,lli e,lli v)
{
  if(r<s||l>e)
    return(0);
  if(l>=s&&r<=e)
    return segt[node].size()-segt[node].order_of_key(mp(v,0));
  lli m=(l+r)/2;
  lli q1=query(2*node+1,l,m,s,e,v),q2=query(2*node+2,m+1,r,s,e,v);
  return(q1+q2);
}
int main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cin>>n>>q;
  multiset<pair<ii,ii>> se;
  set<lli> v;
  unordered_map<lli,lli> m;
  ii s[n];
  pair<ii,lli> qu[q];
  for(lli i=0;i<n;++i)
  {
    cin>>s[i].F>>s[i].S;
    v.insert(s[i].F);
    v.insert(s[i].S);
    v.insert(s[i].F+s[i].S);
  }
  for(lli i=0;i<q;++i)
  {
    cin>>qu[i].F.F>>qu[i].F.S>>qu[i].S;
    v.insert(qu[i].F.F);
    v.insert(qu[i].F.S);
    v.insert(qu[i].S); 
  }
  auto it=v.begin();
  lli c=0,c1=0;
  while(it!=v.end())
  {
    m[(*it)]=c;
    c++;
    it++;
  }
  for(lli i=0;i<n;++i)
  {
    lli su=s[i].F+s[i].S;
    s[i].F=m[s[i].F];
    s[i].S=m[s[i].S];
    se.insert(mp(mp(s[i].F,q+11),mp(s[i].S,m[su])));
  }
  for(lli i=0;i<q;++i)
  {
    qu[i].F.S=m[qu[i].F.S];
    qu[i].F.F=m[qu[i].F.F];
    qu[i].S=m[qu[i].S];
    se.insert(mp(mp(qu[i].F.F,i),mp(qu[i].F.S,qu[i].S)));
  }
  auto it1=se.begin();
  vector<ii> st[c];
  vector<iii> que[c];
  while(it1!=se.end())
  {
    lli in=(*it1).S.S;
    if((*it1).F.S!=q+11)
      que[in].pb(mp((*it1).F.S,mp(c1,(*it1).S.F)));
    else
      st[in].pb(mp(c1,(*it1).S.F));
    it1++;
    c1++;
  }
  lli ans[q]={};
  for(lli i=c-1;i>=0;--i)
  {
    for(lli j=0;j<st[i].size();++j)
      up(0,0,c1-1,st[i][j].F,st[i][j].S);
    for(lli j=0;j<que[i].size();++j)
      ans[que[i][j].F]=query(0,0,c1-1,que[i][j].S.F,c1-1,que[i][j].S.S);
  }
  for(lli i=0;i<q;++i)
    cout<<ans[i]<<endl;
  return(0);
}

Compilation message

examination.cpp: In function 'int main()':
examination.cpp:114:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(lli j=0;j<st[i].size();++j)
                 ~^~~~~~~~~~~~~
examination.cpp:116:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(lli j=0;j<que[i].size();++j)
                 ~^~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 75512 KB Output is correct
2 Correct 65 ms 75512 KB Output is correct
3 Correct 66 ms 75512 KB Output is correct
4 Correct 64 ms 75516 KB Output is correct
5 Correct 67 ms 75512 KB Output is correct
6 Correct 64 ms 75512 KB Output is correct
7 Correct 98 ms 81400 KB Output is correct
8 Correct 97 ms 81272 KB Output is correct
9 Correct 99 ms 81272 KB Output is correct
10 Correct 100 ms 80476 KB Output is correct
11 Correct 96 ms 80376 KB Output is correct
12 Correct 86 ms 78840 KB Output is correct
13 Correct 113 ms 81144 KB Output is correct
14 Correct 103 ms 80888 KB Output is correct
15 Correct 96 ms 80888 KB Output is correct
16 Correct 92 ms 79612 KB Output is correct
17 Correct 96 ms 80120 KB Output is correct
18 Correct 86 ms 78840 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2434 ms 237268 KB Output is correct
2 Correct 2561 ms 237664 KB Output is correct
3 Correct 2545 ms 237356 KB Output is correct
4 Correct 1489 ms 231224 KB Output is correct
5 Correct 1536 ms 231296 KB Output is correct
6 Correct 1161 ms 217596 KB Output is correct
7 Correct 2332 ms 237364 KB Output is correct
8 Correct 2423 ms 237392 KB Output is correct
9 Correct 2628 ms 236724 KB Output is correct
10 Correct 1377 ms 230016 KB Output is correct
11 Correct 1548 ms 230016 KB Output is correct
12 Correct 1169 ms 217052 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2434 ms 237268 KB Output is correct
2 Correct 2561 ms 237664 KB Output is correct
3 Correct 2545 ms 237356 KB Output is correct
4 Correct 1489 ms 231224 KB Output is correct
5 Correct 1536 ms 231296 KB Output is correct
6 Correct 1161 ms 217596 KB Output is correct
7 Correct 2332 ms 237364 KB Output is correct
8 Correct 2423 ms 237392 KB Output is correct
9 Correct 2628 ms 236724 KB Output is correct
10 Correct 1377 ms 230016 KB Output is correct
11 Correct 1548 ms 230016 KB Output is correct
12 Correct 1169 ms 217052 KB Output is correct
13 Correct 2897 ms 241496 KB Output is correct
14 Execution timed out 3098 ms 241108 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 66 ms 75512 KB Output is correct
2 Correct 65 ms 75512 KB Output is correct
3 Correct 66 ms 75512 KB Output is correct
4 Correct 64 ms 75516 KB Output is correct
5 Correct 67 ms 75512 KB Output is correct
6 Correct 64 ms 75512 KB Output is correct
7 Correct 98 ms 81400 KB Output is correct
8 Correct 97 ms 81272 KB Output is correct
9 Correct 99 ms 81272 KB Output is correct
10 Correct 100 ms 80476 KB Output is correct
11 Correct 96 ms 80376 KB Output is correct
12 Correct 86 ms 78840 KB Output is correct
13 Correct 113 ms 81144 KB Output is correct
14 Correct 103 ms 80888 KB Output is correct
15 Correct 96 ms 80888 KB Output is correct
16 Correct 92 ms 79612 KB Output is correct
17 Correct 96 ms 80120 KB Output is correct
18 Correct 86 ms 78840 KB Output is correct
19 Correct 2434 ms 237268 KB Output is correct
20 Correct 2561 ms 237664 KB Output is correct
21 Correct 2545 ms 237356 KB Output is correct
22 Correct 1489 ms 231224 KB Output is correct
23 Correct 1536 ms 231296 KB Output is correct
24 Correct 1161 ms 217596 KB Output is correct
25 Correct 2332 ms 237364 KB Output is correct
26 Correct 2423 ms 237392 KB Output is correct
27 Correct 2628 ms 236724 KB Output is correct
28 Correct 1377 ms 230016 KB Output is correct
29 Correct 1548 ms 230016 KB Output is correct
30 Correct 1169 ms 217052 KB Output is correct
31 Correct 2897 ms 241496 KB Output is correct
32 Execution timed out 3098 ms 241108 KB Time limit exceeded
33 Halted 0 ms 0 KB -