oj.uz

Submission #444689

# Submission time Handle Problem Language Result Execution time Memory
444689 2021-07-14T20:20:23 Z NaimSS K blocks (IZhO14_blocks) C++14
100 / 100
 296 ms 89472 KB 
#include <bits/stdc++.h>
#define ld long double
#define endl "\n"
#define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pb push_back
#define mp(a,b) make_pair(a,b)
#define ms(v,x) memset(v,x,sizeof(v))
#define all(v) v.begin(),v.end()
#define ff first
#define ss second
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define per(i, a, b) for(int i = b-1; i>=a ; i--)
#define trav(a, x) for(auto& a : x)
#define allin(a , x) for(auto a : x)
#define Unique(v) sort(all(v));v.erase(unique(all(v)),v.end());
#define sz(v) ((int)v.size())
using namespace std;
typedef vector<int> vi;
#define y1 abacaba
//#define left oooooopss
#define db(x) cerr << #x <<" == "<<x << endl;
#define db2(x,y) cerr<<#x <<" == "<<x<<", "<<#y<<" == "<<y<<endl;
#define db3(x,y,z) cerr << #x<<" == "<<x<<", "<<#y<<" == "<<y<<", "<<#z<<" == "<<z<<endl;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
std::mt19937 rng((int) std::chrono::steady_clock::now().time_since_epoch().count());
ll cdiv(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up
ll fdiv(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down
//inline ll mod(ll n, ll m ){ ll ret = n%m; if(ret < 0) ret += m; return ret; }
ll gcd(ll a, ll b){return (b == 0LL ? a : gcd(b, a%b));}
ll exp(ll b,ll e,ll m){
  b%=m;
  ll ans = 1;
  for (; e; b = b * b % m, e /= 2)
      if (e & 1) ans = ans * b % m;
  return ans;
}

// debug:
void dbg_out() { cerr << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T){ 
  cerr << ' ' << H; 
  dbg_out(T...); 
}
#ifdef LOCAL
#define dbg(...) cerr<<"(" << #__VA_ARGS__<<"):" , dbg_out(__VA_ARGS__) , cerr << endl
#else
#define dbg(...)
#endif
//

const int N = 100100;
ll A[N],B[N];
ll dp[100100][110];
int32_t main(){
  fastio;
  int n,k;
  cin >> n >> k;
  rep(i,0,100100)rep(j,0,110)dp[i][j] = 1e18;
  ll mx=0;
  rep(i,1,n+1){
    cin >> A[i];
    B[i] = A[i];
    mx=max(mx,A[i]);
    dp[i][1] = mx;
  }
  sort(B+1,B+1+n,greater<ll>());


  rep(i,2,k+1){
    stack<pll> st;
    rep(j,1,n+1){
      ll val = dp[j-1][i-1];
      while(!st.empty() && st.top().ff < A[j]){
        val=min(val,st.top().ss);
        st.pop();
      }

      if(st.empty() || st.top().ff + st.top().ss > A[j] + val){
        st.push(pll(A[j],val));
      }
      if(j>=i)
        dp[j][i] = st.top().ff + st.top().ss;

    }

  }

  cout << dp[n][k] << endl;


  // math -> gcd it all
  // Did u check N=1? Did you switch N,M?
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 86456 KB Output is correct
2 Correct 43 ms 86468 KB Output is correct
3 Correct 43 ms 86392 KB Output is correct
4 Correct 44 ms 86444 KB Output is correct
5 Correct 43 ms 86384 KB Output is correct
6 Correct 43 ms 86468 KB Output is correct
7 Correct 43 ms 86468 KB Output is correct
8 Correct 46 ms 86400 KB Output is correct
9 Correct 44 ms 86452 KB Output is correct
10 Correct 43 ms 86452 KB Output is correct
11 Correct 43 ms 86476 KB Output is correct
12 Correct 44 ms 86444 KB Output is correct
13 Correct 45 ms 86488 KB Output is correct
14 Correct 44 ms 86460 KB Output is correct
15 Correct 44 ms 86392 KB Output is correct
16 Correct 43 ms 86388 KB Output is correct
17 Correct 44 ms 86468 KB Output is correct
18 Correct 44 ms 86468 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 86400 KB Output is correct
2 Correct 45 ms 86532 KB Output is correct
3 Correct 44 ms 86504 KB Output is correct
4 Correct 43 ms 86460 KB Output is correct
5 Correct 44 ms 86472 KB Output is correct
6 Correct 44 ms 86416 KB Output is correct
7 Correct 43 ms 86512 KB Output is correct
8 Correct 43 ms 86468 KB Output is correct
9 Correct 43 ms 86540 KB Output is correct
10 Correct 45 ms 86512 KB Output is correct
11 Correct 43 ms 86420 KB Output is correct
12 Correct 44 ms 86468 KB Output is correct
13 Correct 44 ms 86420 KB Output is correct
14 Correct 44 ms 86384 KB Output is correct
15 Correct 45 ms 86480 KB Output is correct
16 Correct 44 ms 86468 KB Output is correct
17 Correct 43 ms 86428 KB Output is correct
18 Correct 50 ms 86436 KB Output is correct
19 Correct 45 ms 86476 KB Output is correct
20 Correct 45 ms 86372 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 86456 KB Output is correct
2 Correct 43 ms 86468 KB Output is correct
3 Correct 43 ms 86392 KB Output is correct
4 Correct 44 ms 86444 KB Output is correct
5 Correct 43 ms 86384 KB Output is correct
6 Correct 43 ms 86468 KB Output is correct
7 Correct 43 ms 86468 KB Output is correct
8 Correct 46 ms 86400 KB Output is correct
9 Correct 44 ms 86452 KB Output is correct
10 Correct 43 ms 86452 KB Output is correct
11 Correct 43 ms 86476 KB Output is correct
12 Correct 44 ms 86444 KB Output is correct
13 Correct 45 ms 86488 KB Output is correct
14 Correct 44 ms 86460 KB Output is correct
15 Correct 44 ms 86392 KB Output is correct
16 Correct 43 ms 86388 KB Output is correct
17 Correct 44 ms 86468 KB Output is correct
18 Correct 44 ms 86468 KB Output is correct
19 Correct 44 ms 86400 KB Output is correct
20 Correct 45 ms 86532 KB Output is correct
21 Correct 44 ms 86504 KB Output is correct
22 Correct 43 ms 86460 KB Output is correct
23 Correct 44 ms 86472 KB Output is correct
24 Correct 44 ms 86416 KB Output is correct
25 Correct 43 ms 86512 KB Output is correct
26 Correct 43 ms 86468 KB Output is correct
27 Correct 43 ms 86540 KB Output is correct
28 Correct 45 ms 86512 KB Output is correct
29 Correct 43 ms 86420 KB Output is correct
30 Correct 44 ms 86468 KB Output is correct
31 Correct 44 ms 86420 KB Output is correct
32 Correct 44 ms 86384 KB Output is correct
33 Correct 45 ms 86480 KB Output is correct
34 Correct 44 ms 86468 KB Output is correct
35 Correct 43 ms 86428 KB Output is correct
36 Correct 50 ms 86436 KB Output is correct
37 Correct 45 ms 86476 KB Output is correct
38 Correct 45 ms 86372 KB Output is correct
39 Correct 44 ms 86444 KB Output is correct
40 Correct 43 ms 86488 KB Output is correct
41 Correct 44 ms 86468 KB Output is correct
42 Correct 43 ms 86464 KB Output is correct
43 Correct 44 ms 86452 KB Output is correct
44 Correct 43 ms 86488 KB Output is correct
45 Correct 44 ms 86400 KB Output is correct
46 Correct 42 ms 86432 KB Output is correct
47 Correct 44 ms 86472 KB Output is correct
48 Correct 43 ms 86392 KB Output is correct
49 Correct 43 ms 86464 KB Output is correct
50 Correct 42 ms 86412 KB Output is correct
51 Correct 43 ms 86440 KB Output is correct
52 Correct 44 ms 86468 KB Output is correct
53 Correct 43 ms 86540 KB Output is correct
54 Correct 44 ms 86460 KB Output is correct
55 Correct 43 ms 86484 KB Output is correct
56 Correct 44 ms 86432 KB Output is correct
57 Correct 43 ms 86412 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 86456 KB Output is correct
2 Correct 43 ms 86468 KB Output is correct
3 Correct 43 ms 86392 KB Output is correct
4 Correct 44 ms 86444 KB Output is correct
5 Correct 43 ms 86384 KB Output is correct
6 Correct 43 ms 86468 KB Output is correct
7 Correct 43 ms 86468 KB Output is correct
8 Correct 46 ms 86400 KB Output is correct
9 Correct 44 ms 86452 KB Output is correct
10 Correct 43 ms 86452 KB Output is correct
11 Correct 43 ms 86476 KB Output is correct
12 Correct 44 ms 86444 KB Output is correct
13 Correct 45 ms 86488 KB Output is correct
14 Correct 44 ms 86460 KB Output is correct
15 Correct 44 ms 86392 KB Output is correct
16 Correct 43 ms 86388 KB Output is correct
17 Correct 44 ms 86468 KB Output is correct
18 Correct 44 ms 86468 KB Output is correct
19 Correct 44 ms 86400 KB Output is correct
20 Correct 45 ms 86532 KB Output is correct
21 Correct 44 ms 86504 KB Output is correct
22 Correct 43 ms 86460 KB Output is correct
23 Correct 44 ms 86472 KB Output is correct
24 Correct 44 ms 86416 KB Output is correct
25 Correct 43 ms 86512 KB Output is correct
26 Correct 43 ms 86468 KB Output is correct
27 Correct 43 ms 86540 KB Output is correct
28 Correct 45 ms 86512 KB Output is correct
29 Correct 43 ms 86420 KB Output is correct
30 Correct 44 ms 86468 KB Output is correct
31 Correct 44 ms 86420 KB Output is correct
32 Correct 44 ms 86384 KB Output is correct
33 Correct 45 ms 86480 KB Output is correct
34 Correct 44 ms 86468 KB Output is correct
35 Correct 43 ms 86428 KB Output is correct
36 Correct 50 ms 86436 KB Output is correct
37 Correct 45 ms 86476 KB Output is correct
38 Correct 45 ms 86372 KB Output is correct
39 Correct 44 ms 86444 KB Output is correct
40 Correct 43 ms 86488 KB Output is correct
41 Correct 44 ms 86468 KB Output is correct
42 Correct 43 ms 86464 KB Output is correct
43 Correct 44 ms 86452 KB Output is correct
44 Correct 43 ms 86488 KB Output is correct
45 Correct 44 ms 86400 KB Output is correct
46 Correct 42 ms 86432 KB Output is correct
47 Correct 44 ms 86472 KB Output is correct
48 Correct 43 ms 86392 KB Output is correct
49 Correct 43 ms 86464 KB Output is correct
50 Correct 42 ms 86412 KB Output is correct
51 Correct 43 ms 86440 KB Output is correct
52 Correct 44 ms 86468 KB Output is correct
53 Correct 43 ms 86540 KB Output is correct
54 Correct 44 ms 86460 KB Output is correct
55 Correct 43 ms 86484 KB Output is correct
56 Correct 44 ms 86432 KB Output is correct
57 Correct 43 ms 86412 KB Output is correct
58 Correct 47 ms 86604 KB Output is correct
59 Correct 50 ms 87492 KB Output is correct
60 Correct 53 ms 87564 KB Output is correct
61 Correct 87 ms 87496 KB Output is correct
62 Correct 233 ms 88672 KB Output is correct
63 Correct 61 ms 88644 KB Output is correct
64 Correct 134 ms 88816 KB Output is correct
65 Correct 46 ms 86420 KB Output is correct
66 Correct 44 ms 86468 KB Output is correct
67 Correct 44 ms 86484 KB Output is correct
68 Correct 44 ms 86444 KB Output is correct
69 Correct 43 ms 86476 KB Output is correct
70 Correct 44 ms 86424 KB Output is correct
71 Correct 56 ms 86632 KB Output is correct
72 Correct 46 ms 86668 KB Output is correct
73 Correct 50 ms 86676 KB Output is correct
74 Correct 52 ms 87492 KB Output is correct
75 Correct 56 ms 87468 KB Output is correct
76 Correct 89 ms 87380 KB Output is correct
77 Correct 266 ms 88676 KB Output is correct
78 Correct 67 ms 88636 KB Output is correct
79 Correct 144 ms 88716 KB Output is correct
80 Correct 62 ms 88736 KB Output is correct
81 Correct 79 ms 88644 KB Output is correct
82 Correct 243 ms 88864 KB Output is correct
83 Correct 44 ms 86496 KB Output is correct
84 Correct 44 ms 86524 KB Output is correct
85 Correct 60 ms 86728 KB Output is correct
86 Correct 46 ms 86684 KB Output is correct
87 Correct 49 ms 86728 KB Output is correct
88 Correct 49 ms 87444 KB Output is correct
89 Correct 54 ms 87796 KB Output is correct
90 Correct 107 ms 87820 KB Output is correct
91 Correct 296 ms 89472 KB Output is correct
92 Correct 65 ms 89280 KB Output is correct
93 Correct 163 ms 89468 KB Output is correct
94 Correct 46 ms 86692 KB Output is correct
95 Correct 54 ms 86724 KB Output is correct
96 Correct 44 ms 86432 KB Output is correct
97 Correct 44 ms 86408 KB Output is correct
98 Correct 43 ms 86420 KB Output is correct
99 Correct 45 ms 86468 KB Output is correct