Submission #584457

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
584457	2022-06-27 12:07:39	benson1029	Dancing Elephants (IOI11_elephants)	C++14	100 / 100	6889 ms	24496 KiB

elephants

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#include "elephants.h"
#include<bits/stdc++.h>
using namespace std;
int n;
int RTN;
int cntGRP;
int l;
int a[150005];
int grp[150005];
vector<int> grpv[150005], dis[150005], nxt[150005];
vector< pair<int,int> > v;
int round_cnt = 0;
void calcgroup(int i) {
  dis[i].resize(grpv[i].size());
  nxt[i].resize(grpv[i].size());
  int ptr = grpv[i].size()-1;
  for(int j=grpv[i].size()-1; j>=0; j--) {
    while(ptr > 0 && grpv[i][ptr] - grpv[i][j] > l) ptr--;
    if(ptr == grpv[i].size()-1) {
      dis[i][j] = 1;
      nxt[i][j] = grpv[i][j] + l + 1;
    } else {
      dis[i][j] = dis[i][ptr+1] + 1;
      nxt[i][j] = nxt[i][ptr+1];
    }
  }
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

elephants.cpp: In function 'void calcgroup(int)':
elephants.cpp:21:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |   if(ptr == grpv[i].size()-1) {
      |      ~~~~^~~~~~~~~~~~~~~~~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:69:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |   for(int j=0; j<grpv[origgrp].size(); j++) {
      |                ~^~~~~~~~~~~~~~~~~~~~~
elephants.cpp:71:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |     for(int k=j+1; k<grpv[origgrp].size(); k++) grpv[origgrp][k-1] = grpv[origgrp][k];
      |                    ~^~~~~~~~~~~~~~~~~~~~~

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