Submission #678486

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
678486	2023-01-06 04:44:21	cig32	Permutation (APIO22_perm)	C++17	100 / 100	6 ms	340 KiB

perm

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#include "perm.h"
#include "bits/stdc++.h"
using namespace std;
static long long MX=1e18;
 
long long count_increasing(const vector<int>& v) {
  vector<long long> dp(v.size() + 1, 0);
  dp[0] = 1;
  for (int x : v)
  {
    for (int i = 0; i <= x; i++)
    {
      dp[x+1] += dp[i];
      dp[x+1] = min(dp[x+1],MX+1);
    }
  }
  long long result = 0;
  for (int i = 0; i <= (int)v.size(); i++){
    result += dp[i];
    result = min(result,MX+1);
  }
  return result;
}
 
int fastlog(long long x) {
  return (x == 0 ? -1 : 64 - __builtin_clzll(x) - 1);
}
 
mt19937_64 rng((long long)std::chrono::steady_clock::now().time_since_epoch().count());
long long rnd(long long x, long long y) {
 
 
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Compilation message (stderr)

perm.cpp: In function 'std::vector<int> construct_permutation(long long int)':
perm.cpp:54:42: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
   54 |   vector<int> l = construct_permutation(c);
      |                                          ^
perm.cpp:55:42: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   55 |   vector<int> r = construct_permutation(x);
      |                                          ^

• Subtask 1: 10 / 10
• Subtask 2: 90 / 90