Submission #887359

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
887359	2023-12-14 09:59:35	abcvuitunggio	Dancing Elephants (IOI11_elephants)	C++17	100 / 100	3340 ms	18452 KiB

elephants

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#include "elephants.h"
#include <bits/stdc++.h>
using namespace std;
const int sz=400,sz2=399,maxN=150000;
int n,l,x[maxN+1],idx[maxN+1],q,pos[maxN+1];
pair <int, int> nxt[maxN/sz+1][sz+sz2+1];
vector <int> v[maxN/sz+1];
void calc(int k){
    if (v[k].empty())
        return;
    int j=v[k].size()-1;
    for (int i=j;i>=0;i--){
        while (x[v[k][i]]+l<x[v[k][j]])
            j--;
        if (j==v[k].size()-1)
            nxt[k][i]={i,0};
        else{
            j++;
            nxt[k][i]={nxt[k][j].first,nxt[k][j].second+1};
        }
    }
}
void init(int N, int L, int X[]){
    n=N,l=L;
    for (int i=0;i<n;i++){
        x[i]=X[i];
        idx[i]=i;
    }
    sort(idx,idx+n,[](int i, int j){return x[i]<x[j];});
    for (int i=0;i*sz<n;i++){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

elephants.cpp: In function 'void calc(int)':
elephants.cpp:15:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |         if (j==v[k].size()-1)
      |             ~^~~~~~~~~~~~~~~

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