Submission #444199

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
444199	2021-07-13 10:35:48	ivan_tudor	Election Campaign (JOI15_election_campaign)	C++14	100 / 100	171 ms	32472 KiB

election_campaign

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#include<bits/stdc++.h>
using namespace std;
struct AIB{
  vector<int> aib;
  AIB(int n): aib(n + 1, 0){}
  void update(int poz, int val){
    for(int i = poz; i < aib.size(); i+= i &(-i))
      aib[i] += val;
  }
  int query(int poz){
    int ans = 0;
    for(int i = poz; i > 0; i-= i&(-i))
      ans += aib[i];
    return ans;
  }
  int getonint(int l, int r){
    if(l > r)
      return 0;
    return query(r) - query(l - 1);
  }
};
struct pathlca{
  int x, y;
  int c;
};
const int N = 100005;
const int LOG_N = 17;
vector<int> gr[N];
vector<pathlca> path[N];
int dp[N];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

election_campaign.cpp: In member function 'void AIB::update(int, int)':
election_campaign.cpp:7:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i = poz; i < aib.size(); i+= i &(-i))
      |                      ~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40