Submission #1046788

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1046788	2024-08-06 23:44:27	idiotcomputer	Skyscraper (JOI16_skyscraper)	C++11	20 / 100	366 ms	524288 KiB

skyscraper

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#include <bits/stdc++.h>
using namespace std;
#define ll long long int 
const ll mod = 1e9+7;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n,l;
  cin >> n >> l;
  vector<int> h(n);
  for (int i = 0; i < n; i++) cin >> h[i];
  sort(h.begin(),h.end());
  //2000 is 0
  ll dp[n][n+1][3005][3];
  memset(dp,0,sizeof(dp));
  dp[0][1][2000-2*h[0]][2] = 1;
  dp[0][1][2000-h[0]][1] = 2;
  int v;
  for (int i = 1; i < n; i++){
    for (int j = 1; j < n; j++){
      for (int k = 0; k < 3005; k++){
        //appending
        dp[i][j][k][0] += dp[i-1][j][k][0] * 2 * (j-1);
        dp[i][j][k][1] += dp[i-1][j][k][1] * (2 * j - 1);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 0 / 80