Submission #958294

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
958294	2024-04-05 10:23:23	pragmatist	Permutation (APIO22_perm)	C++17	100 / 100	681 ms	692 KiB

perm

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "perm.h"
#include<bits/stdc++.h>
 
using namespace std;
 
long long dp[6000];
int a[6000];
int mn;
vector<int> ans;
void go(long long k, int n, int p[]) {
  for(int i = 1; i <= n; ++i) {
    a[i] = p[i-1];
  }
  long long cur = 1;
  for(int i = 1; i <= n; ++i) {
    dp[i] = 1;
    for(int j = 1; j < i; ++j) {
      if(a[j]<a[i]) {
        dp[i] += dp[j];
      }
    }
    cur += dp[i];
  }
  if(cur>k) {
    return;
  }
  int old = n;
  while(cur<k) {
    vector<pair<int, long long> > b;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

perm.cpp: In function 'void go(long long int, int, int*)':
perm.cpp:28:6: warning: unused variable 'old' [-Wunused-variable]
   28 |  int old = n;
      |      ^~~

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