Submission #959389

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
9593892024-04-08 06:41:08vjudge1Ball Machine (BOI13_ballmachine)C++17
16.11 / 100
639 ms27264 KiB
#include <bits/stdc++.h>
#define Y8o "ballmachine"
#define maxn 100005
#define ll long long
#define pii pair<int, int>
#define gb(i, j) ((i >> j) & 1)
using namespace std;
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);
}
void iof() {
if(fopen(Y8o".inp", "r"))
{
freopen(Y8o".inp", "r", stdin);
freopen(Y8o".out", "w", stdout);
}
ios_base::sync_with_stdio(0);
cin.tie(NULL), cout.tie(NULL);
}
void ctime() {
cerr << "\n" << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
}
int n, Q, root, cnt;
int Min[maxn], cha[maxn][18], h[maxn], pos[maxn], a[maxn];
vector<int> o[maxn];
 
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Compilation message (stderr)

ballmachine.cpp: In function 'void iof()':
ballmachine.cpp:17:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         freopen(Y8o".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
ballmachine.cpp:18:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         freopen(Y8o".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
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