Submission #963245

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
963245	2024-04-14 19:18:13	BhavayGoyal	Election Campaign (JOI15_election_campaign)	C++14	0 / 100	78 ms	18496 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
template<class T> using oset = 
            tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define ll long long
#define ld long double
#define ar array
#define vi vector<int>
#define vii vector<vector<int>>
#define pii pair<int, int>
#define pb push_back
#define all(x) x.begin(), x.end()
#define f first
#define s second
#define endl "\n"
const int MOD = 1e9+7;
const int inf = 1e9;
const ll linf = 1e18;
const int d4i[4]={-1, 0, 1, 0}, d4j[4]={0, 1, 0, -1};
const int d8i[8]={-1, -1, 0, 1, 1, 1, 0, -1}, d8j[8]={0, 1, 1, 1, 0, -1, -1, -1};
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
 
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Compilation message (stderr)

election_campaign.cpp: In member function 'void fenTree::update(int, int)':
election_campaign.cpp:41:48: warning: statement has no effect [-Wunused-value]
   41 |     void update(int idx, int val) {idx++; for (idx; idx <= n; idx += (idx&-idx)) tree[idx] += val;}
      |                                                ^~~
election_campaign.cpp: In member function 'int fenTree::sum(int)':
election_campaign.cpp:42:48: warning: statement has no effect [-Wunused-value]
   42 |     int sum(int idx) {idx++; int ans = 0; for (idx; idx; idx -= (idx&-idx)) ans += tree[idx]; return ans;}
      |                                                ^~~
election_campaign.cpp: In function 'void sol()':
election_campaign.cpp:113:13: warning: unused variable 'l' [-Wunused-variable]
  113 |         int l = lca(a, b);
      |             ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 30
• Subtask 5: 0 / 10
• Subtask 6: 0 / 40