Submission #465412

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
465412	2021-08-16 00:43:51	JovanB	Dancing Elephants (IOI11_elephants)	C++17	100 / 100	4155 ms	17992 KiB

elephants

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#include "elephants.h"
#include <bits/stdc++.h>
using namespace std;
int n, k;
const int N = 150000;
const int K = 400;
int dp[N+5], dokle[N+5], pos[N+5];
vector <pair <int, int>> vec[N+5];
void Calc(int tr){
    if(vec[tr].empty()) return;
    int j = vec[tr].size() - 1;
    for(int i=vec[tr].size()-1; i>=0; i--){
        while(vec[tr][i].first + k - 1 < vec[tr][j].first) j--;
        if(j == vec[tr].size() - 1){
            dp[vec[tr][i].second] = 1;
            dokle[vec[tr][i].second] = vec[tr][i].first + k - 1;
        }
        else{
            dp[vec[tr][i].second] = dp[vec[tr][j+1].second] + 1;
            dokle[vec[tr][i].second] = dokle[vec[tr][j+1].second];
        }
    }
}
void Build(const vector <pair <int, int>> &v){
    for(int i=1; i<=n; i++) vec[i].clear();
 
 
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Compilation message (stderr)

elephants.cpp: In function 'void Calc(int)':
elephants.cpp:18:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |         if(j == vec[tr].size() - 1){
      |            ~~^~~~~~~~~~~~~~~~~~~~~
elephants.cpp: In function 'void brisi(int, int)':
elephants.cpp:70:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |     for(int i=0; i<vec[tr].size(); i++){
      |                  ~^~~~~~~~~~~~~~~
elephants.cpp: In function 'void dodaj(int, int)':
elephants.cpp:79:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |     for(int i=0; i<vec[tr].size(); i++){
      |                  ~^~~~~~~~~~~~~~~

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