Submission #485062

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
485062	2021-11-06 01:40:14	socho	Olympic Bus (JOI20_ho_t4)	C++14	100 / 100	316 ms	4100 KiB

ho_t4

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#include <bits/stdc++.h>
using namespace std;
void fast() {
  ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
}
void ran() {
  srand(chrono::steady_clock::now().time_since_epoch().count());
}
long long get_rand() {
  long long a = rand();
  long long b = rand();
  return a * (RAND_MAX + 1ll) + b;
}
void usaco() {
  freopen("problem.in", "r", stdin); 
  freopen("problem.out", "w", stdout);
}
template<typename T>
using min_pq = priority_queue<T, vector<T>, greater<T>>;
#define endl '\n'
// #define double long double
#define int long long
// const int MOD = 1000 * 1000 * 1000 + 7;
// const int MOD = 998244353;
// #define cerr if(0) cerr
#define debug(x) cerr << #x << ": " << x << endl;
#define int long long
int n, m;
const int MXN = 205, MXM = 50005;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

ho_t4.cpp: In function 'void usaco()':
ho_t4.cpp:15:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |  freopen("problem.in", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t4.cpp:16:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |  freopen("problem.out", "w", stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 11 / 11
• Subtask 3: 21 / 21
• Subtask 4: 63 / 63