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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int              long long int
  4. #define double           long double
  5. #define print(a)         for(auto x : a) cout << x << " "; cout << endl
  6.  
  7.  
  8. const int M = 1000000007;
  9. const int N = 3e5+9;
  10. const int INF = 2e9+1;
  11. const int LINF = 2000000000000000001;
  12.  
  13. inline int power(int a, int b, int mod=M) {
  14.     int x = 1;
  15.     a %= mod;
  16.     while (b) {
  17.         if (b & 1) x = (x * a) % mod; 
  18.         a = (a * a) % mod;
  19.         b >>= 1;
  20.     }
  21.     return x;
  22. }
  23.  
  24.  
  25. //_ ***************************** START Below *******************************
  26.  
  27.  
  28.  
  29.  
  30. vector<int> a;
  31.  
  32. int consistency(int n, int k){
  33.  
  34. 	vector<vector<int>> dp(n+1, vector<int>(k+1, INF));
  35.  
  36. 	dp[0][0] = 0;
  37.  
  38. 	for(int i=1; i<=n; i++){
  39.  
  40. 		for(int x=1; x<=k; x++){
  41.  
  42. 			int j = i-1;
  43. 			int maxi = a[i-1];
  44. 			while(j>=0){
  45.  
  46. 				dp[i][x] = min(dp[i][x] , dp[j][x-1] + maxi);
  47.  
  48. 				if(j-1>=0) maxi = max(maxi, a[j-1]);
  49. 				j--;
  50. 			}
  51. 		}
  52. 	}
  53.  
  54. 	return dp[n][k];
  55. }
  56.  
  57.  
  58.  
  59.  
  60.  
  61.  
  62.  
  63.  
  64.  
  65.  
  66.  
  67.  
  68.  
  69.  
  70.  
  71. int practice(int n, int k){
  72.  
  73.  
  74.     return 0;
  75. }
  76.  
  77.  
  78.  
  79.  
  80.  
  81. void solve() {
  82.  
  83.     int n, k;
  84.     cin>> n >> k;
  85.  
  86.     a.resize(n);
  87.     for(int i=0; i<n; i++) cin >> a[i];
  88.  
  89.     cout << consistency(n, k) << endl;
  90.  
  91.  
  92. }
  93.  
  94.  
  95.  
  96.  
  97.  
  98. int32_t main() {
  99.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  100.  
  101.     int t = 1;
  102.     // cin >> t;
  103.     while (t--) {
  104.         solve();
  105.     }
  106.  
  107.     return 0;
  108. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/uTlgB7
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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