Submission #968542

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
968542	2024-04-23 15:13:56	Neco_arc	Election Campaign (JOI15_election_campaign)	C++17	100 / 100	143 ms	42524 KiB

election_campaign

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#include <bits/stdc++.h>
#define ll long long
#define all(x) x.begin(), x.end()
#define Neco "Election Campaign"
#define resp(x) sort(all(x)), x.resize(unique(all(x)) - x.begin())
#define getbit(x,i) ((x >> i)&1)
#define _left id * 2, l, mid
#define _right id * 2 + 1, mid + 1, r
#define cntbit(x) __builtin_popcountll(x)
#define fi(i, a, b) for(int i = a; i <= b; i++)
#define fid(i, a, b) for(int i = a; i >= b; i--)
#define maxn (int) 2e5 + 7
using namespace std;
const ll mod = 1e9 + 7; //972663749
const ll base = 911382323;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll GetRandom(ll l, ll r)
{
    return uniform_int_distribution<ll> (l, r)(rng);
}
int n, m;
int cha[maxn][20];
ll dp[maxn], Sum[maxn];
struct dl { int x, y, w; } a[maxn];
 
 
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Compilation message (stderr)

election_campaign.cpp: In function 'bool insubtree(int, int)':
election_campaign.cpp:47:37: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   47 |     return p == 0 || In[p] <= In[u] && In[u] <= Out[p];
      |                      ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
election_campaign.cpp: In function 'int main()':
election_campaign.cpp:128:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  128 |         freopen(Neco".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
election_campaign.cpp:129:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  129 |         freopen(Neco".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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