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Submission #269439

# Submission time Handle Problem Language Result Execution time Memory
269439 2020-08-17T07:06:28 Z PKhing Dancing Elephants (IOI11_elephants) C++14
26 / 100
 21 ms 2560 KB 
#include<bits/stdc++.h>
#define FOR(i,a) for(int i=0;i<a;i++)
#define FOR1(i,a) for(int i=1;i<=a;i++)
#define db(a) printf("<%d> ",a)
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define mp make_pair
#define pb emplace_back
#define p emplace
#define iii pair<int,int>
#define ll long long
#define rf() freopen("_working/input.in","r",stdin)
#define pf() freopen("_working/output.out","w+",stdout)
using namespace std;
const int INF=1e9;
#include "elephants.h"

int n;
int l;
int x[150005];
set<iii> s;
void init(int N, int L, int X[])
{
  n = N;
  l = L;
  FOR(i,N){
    s.p(X[i],i);
    x[i]=X[i];
  }
}

int update(int i, int y)
{
  if(n>100) return n;
  s.erase(mp(x[i],i));
  s.insert(mp(y,i));
  x[i]=y;
  int bf = -1;
  int cnt= 0;
  for(auto i:s){
    //printf(".%d ",i.f);
    if(bf<i.f){
      cnt++;
      bf = i.f+l;
    }
  }
  //cout<<endl;
  return cnt;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 21 ms 2560 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 21 ms 2560 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #5
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 21 ms 2560 KB Output isn't correct
8 Halted 0 ms 0 KB -