Submission #604262

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
604262	2022-07-25 02:18:52	super_j6	Feast (NOI19_feast)	C++14	0 / 100	109 ms	10192 KiB

feast

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#include <iostream>
#include <cstdio>
#include <algorithm>
using namespace std;
#define endl '\n'
#define ll long long
#define pi pair<ll, ll>
#define f first
#define s second
 
const int mxn = 300001;
int n, k;
ll a[mxn];
pi dp[mxn];
 
pi sol(ll x){
  pi p = dp[0];
  for(int i = 1; i <= n; i++){
    dp[i] = dp[i - 1];
    if(p.f + a[i] - x > dp[i].f) dp[i] = {p.f + a[i] - x, p.s + 1};
    if(dp[i].f - a[i] > p.f) p = {dp[i].f - a[i], dp[i].s};
  }
  return dp[n];
}
 
int main(){
  ios::sync_with_stdio(0);
  cin.tie(0);
  
  cin >> n >> k;
 
 
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• Subtask 1: 0 / 4
• Subtask 2: 0 / 8
• Subtask 3: 0 / 18
• Subtask 4: 0 / 10
• Subtask 5: 0 / 11
• Subtask 6: 0 / 20
• Subtask 7: 0 / 29