Submission #132578

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
132578	2019-07-19 07:41:58	tmwilliamlin168	Dancing Elephants (IOI11_elephants)	C++14	100 / 100	6159 ms	12280 KiB

elephants

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#include "elephants.h"
#include <bits/stdc++.h>
using namespace std;
const int mxN=1.5e5, B=400, mxBC=(mxN-1)/B+1;
int n, l, *x, uc, bc, r[mxBC];
map<int, int> mp;
vector<int> v[mxBC];
vector<array<int, 2>> w[mxBC];
void init(int N, int L, int X[]) {
  n=N;
  l=L;
  x=X;
  for(int i=0; i<n; ++i)
    ++mp[x[i]];
}
void bb(int i) {
  w[i]=vector<array<int, 2>>(v[i].size());
  for(int j1=(int)v[i].size()-1, j2=v[i].size(); ~j1; --j1) {
    while(v[i][j2-1]>v[i][j1]+l)
      --j2;
    w[i][j1]=j2<v[i].size()?array<int, 2>{w[i][j2][0]+1, w[i][j2][1]}:array<int, 2>{1, v[i][j1]+l};
  }
}
void bld() {
  bc=0;
  for(pair<int, int> p : mp) {
    if(!bc||v[bc-1].size()>=B)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

elephants.cpp: In function 'void bb(int)':
elephants.cpp:24:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   w[i][j1]=j2<v[i].size()?array<int, 2>{w[i][j2][0]+1, w[i][j2][1]}:array<int, 2>{1, v[i][j1]+l};
            ~~^~~~~~~~~~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:66:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if(p<v[i].size()) {
      ~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3