Submission #1073929

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1073929	2024-08-25 04:05:04	Persia	Election Campaign (JOI15_election_campaign)	C++14	10 / 100	427 ms	30800 KiB

election_campaign

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#include <bits/stdc++.h>
#define rep(i, l, r) for(int i = l; i <= r; i++)
#define rep2(i, l, r) for(int i = l; i >= r; i--)
#define fi first
#define se second
#define bit(i, x) (x >> i & 1)
using namespace std;
const int N = 1e5 + 3;
const int mod = 1e9 + 7;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
long long rnd(long long l, long long r) {
  return uniform_int_distribution<long long>(l, r)(rng);
}
int n, m;
vector<int> G[N];
array<int, 3> qq[N];
int in[N], out[N], rn[N], cnt;
int h[2 * N], rmq[2 * N][19], ct;
void predfs(int u, int par) {
  in[u] = ++cnt;
  rn[cnt] = u;
  rmq[++ct][0] = in[u];
  h[in[u]] = ct;
  for(auto v : G[u]) if (v != par) {
    predfs(v, u);
    rmq[++ct][0] = in[u];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

election_campaign.cpp: In function 'long long int sub1::sol()':
election_campaign.cpp:82:30: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   82 |       rep(i, 1, m) if (bit(i - 1, mask)) {
      |                            ~~^~~
election_campaign.cpp:6:25: note: in definition of macro 'bit'
    6 | #define bit(i, x) (x >> i & 1)
      |                         ^
election_campaign.cpp:84:36: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   84 |         rep(j, i + 1, m) if (bit(j - 1, mask)) {
      |                                  ~~^~~
election_campaign.cpp:6:25: note: in definition of macro 'bit'
    6 | #define bit(i, x) (x >> i & 1)
      |                         ^

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