oj.uz

Submission #839417

# Submission time Handle Problem Language Result Execution time Memory
839417 2023-08-30T02:18:32 Z huutuan Examination (JOI19_examination) C++14
2 / 100
 3000 ms 327708 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) ((int)x.size())
#define sumof(x) accumulate(all(x), 0ll)

struct nigga{
   int x, y, z, i;
   nigga(int a=0, int b=0, int c=0, int d=0): x(a), y(b), z(c), i(d){}
   bool operator<(const nigga &a) const {
      return make_pair(-z, i)<make_pair(-a.z, a.i);
   }
};

unordered_map<int, int> t[200001];

struct FenwickTree{
   int n;

   void init(int _n){
      n=_n;
   }

   void update(int x, int y, int val){
      for (int i=x; i<=n; i+=i&(-i))
         for (int j=y; j<=n; j+=j&(-j)) t[i][j]+=val;
   }

   int get(int x, int y){
      int ans=0;
      for (int i=x; i; i-=i&(-i))
         for (int j=y; j; j-=j&(-j)) ans+=t[i][j];
      return ans;
   }
} bit;

const int N=2e5+1;
int n, q, ans[N];
nigga a[N];

void solve(int tc){
   // cout << "Case #" << tc << ": ";
   cin >> n >> q;
   vector<int> r, c;
   for (int i=1; i<=n; ++i) cin >> a[i].x >> a[i].y, a[i].z=a[i].x+a[i].y, r.push_back(a[i].x), c.push_back(a[i].y), a[i].i=i;
   for (int i=n+1; i<=n+q; ++i) cin >> a[i].x >> a[i].y >> a[i].z, r.push_back(a[i].x), c.push_back(a[i].y), a[i].i=i;
   sort(all(r)); sort(all(c)); r.resize(unique(all(r))-r.begin()); c.resize(unique(all(c))-c.begin());
   for (int i=1; i<=n+q; ++i) a[i].x=lower_bound(all(r), a[i].x)-r.begin()+1, a[i].y=lower_bound(all(c), a[i].y)-c.begin()+1;
   sort(a+1, a+n+q+1);
   bit.init(N-1);
   int cnt=0;
   for (int i=1; i<=n+q; ++i){
      if (a[i].i<=n) bit.update(a[i].x, a[i].y, 1), ++cnt;
      else ans[a[i].i-n]=cnt-(bit.get(a[i].x-1, bit.n)+bit.get(bit.n, a[i].y-1)-bit.get(a[i].x-1, a[i].y-1));
   }
   for (int i=1; i<=q; ++i) cout << ans[i] << '\n';
}

int32_t main(){
   ios_base::sync_with_stdio(false);
   cin.tie(nullptr);
   int ntests=1;
   // cin >> ntests;
   for (int i=1; i<=ntests; ++i) solve(i);
   return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 17492 KB Output is correct
2 Correct 10 ms 17536 KB Output is correct
3 Correct 8 ms 17492 KB Output is correct
4 Correct 8 ms 17492 KB Output is correct
5 Correct 9 ms 17492 KB Output is correct
6 Correct 8 ms 17492 KB Output is correct
7 Correct 43 ms 27464 KB Output is correct
8 Correct 42 ms 27596 KB Output is correct
9 Correct 44 ms 27604 KB Output is correct
10 Correct 24 ms 21844 KB Output is correct
11 Correct 25 ms 21844 KB Output is correct
12 Correct 16 ms 17748 KB Output is correct
13 Correct 42 ms 27532 KB Output is correct
14 Correct 41 ms 27744 KB Output is correct
15 Correct 42 ms 27596 KB Output is correct
16 Correct 23 ms 21580 KB Output is correct
17 Correct 22 ms 21716 KB Output is correct
18 Correct 16 ms 17748 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3034 ms 327708 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3034 ms 327708 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 17492 KB Output is correct
2 Correct 10 ms 17536 KB Output is correct
3 Correct 8 ms 17492 KB Output is correct
4 Correct 8 ms 17492 KB Output is correct
5 Correct 9 ms 17492 KB Output is correct
6 Correct 8 ms 17492 KB Output is correct
7 Correct 43 ms 27464 KB Output is correct
8 Correct 42 ms 27596 KB Output is correct
9 Correct 44 ms 27604 KB Output is correct
10 Correct 24 ms 21844 KB Output is correct
11 Correct 25 ms 21844 KB Output is correct
12 Correct 16 ms 17748 KB Output is correct
13 Correct 42 ms 27532 KB Output is correct
14 Correct 41 ms 27744 KB Output is correct
15 Correct 42 ms 27596 KB Output is correct
16 Correct 23 ms 21580 KB Output is correct
17 Correct 22 ms 21716 KB Output is correct
18 Correct 16 ms 17748 KB Output is correct
19 Execution timed out 3034 ms 327708 KB Time limit exceeded
20 Halted 0 ms 0 KB -