oj.uz

Submission #588642

# Submission time Handle Problem Language Result Execution time Memory
588642 2022-07-03T18:43:05 Z Sam_a17 K blocks (IZhO14_blocks) C++14
100 / 100
 284 ms 81664 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
 
#ifndef ONLINE_JUDGE
#define dbg(x) cerr << #x <<" "; print(x); cerr << endl;
#else
#define dbg(x)
#endif
 
#define sz(x) (int((x).size()))
#define len(x) (int)x.length()
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define uniq(x) x.resize(unique(all(x)) - x.begin());
#define blt __builtin_popcount
 
#define pb push_back
#define popf pop_front
#define popb pop_back
#define ld long double
#define ll long long
 
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
void print(long double t) {cerr << t;}
 
template <class T, class V> void print(pair <T, V> p);
template <class T> void print(vector <T> v);
template <class T> void print(set <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T> void print(multiset <T> v);
template <class T> void print(T v[],T n) {cerr << "["; for(int i = 0; i < n; i++) {cerr << v[i] << " ";} cerr << "]";}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(deque <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
// template <class T> void print(stack <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
 
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define nl '\n'
 
// for grid problems
int dx[8] = {-1,0,1,0,1,-1,1,-1};
int dy[8] = {0,1,0,-1,1,1,-1,-1};
 
// lowest / (1 << 17) >= 1e5 / (1 << 18) >= 2e5 / (1 << 21) >= 1e6
void fastIO() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr); cout.tie(nullptr);
}
// file in/out
void setIO(string str = "") {
  fastIO();
 
  if (str != "") {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
  }
}
 
// Indexed Set
template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;\
const long long inf = 1e15;
const int N = 1e5 + 10, K = 1e2 + 10;
long long dp[K][N], a[N], n, k;

void solve_() {
  cin >> n >> k;

  for(int i = 1; i <= n; i++) {
    cin >> a[i];
  }

  for(int i = 1; i <= n; i++) {
    dp[1][i] = max(dp[1][i - 1], a[i]);
  }

  for(int i = 0; i <= k; i++) {
    for(int j = 0; j <= n; j++) {
      if(!dp[i][j]) {
        dp[i][j] = inf;
      }
    }
  }

  for(int i = 2; i <= k; i++) {
    deque<pair<int, long long>> st;

    for(int j = 1; j < i; j++) {
      if(dp[i - 1][j] == inf) continue;
      st.push_back({j, dp[i - 1][j]});
    }

    for(int j = i; j <= n; j++) {
      long long mini = dp[i - 1][j - 1];
      while(!st.empty() && a[st.back().first] <= a[j]) {
        mini = min(mini, st.back().second);
        st.pop_back();
      }

      // if(j == 5) {
      //   dbg(mini)
      //   dbg(st)
      // } 

      if(!st.empty()) {
        dp[i][j] = min(dp[i][j], dp[i][st.back().first]);
        dp[i][j] = min(dp[i][j], dp[i - 1][st.back().first] + a[j]);
      }
      st.push_back({j, mini});
      
      dp[i][j] = min(dp[i][j], mini + a[j]);
    }
  }

  printf("%d\n", dp[k][n]);
}
 
int main () {
  setIO("");
 
  auto solve = [&](int test_case)-> void {
    while(test_case--) {
      solve_();
    }
  };
 
  int test_cases = 1;
  solve(test_cases);
 
  return 0;
}

Compilation message

blocks.cpp: In function 'void solve_()':
blocks.cpp:127:12: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  127 |   printf("%d\n", dp[k][n]);
      |           ~^     ~~~~~~~~
      |            |            |
      |            int          long long int
      |           %lld
blocks.cpp: In function 'void setIO(std::string)':
blocks.cpp:67:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:68:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |     freopen((str + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 328 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 596 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 1 ms 328 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 852 KB Output is correct
54 Correct 1 ms 852 KB Output is correct
55 Correct 1 ms 596 KB Output is correct
56 Correct 1 ms 852 KB Output is correct
57 Correct 1 ms 980 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 324 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 328 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 352 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 596 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 1 ms 328 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 852 KB Output is correct
54 Correct 1 ms 852 KB Output is correct
55 Correct 1 ms 596 KB Output is correct
56 Correct 1 ms 852 KB Output is correct
57 Correct 1 ms 980 KB Output is correct
58 Correct 7 ms 2516 KB Output is correct
59 Correct 4 ms 1652 KB Output is correct
60 Correct 10 ms 3748 KB Output is correct
61 Correct 81 ms 28108 KB Output is correct
62 Correct 227 ms 80848 KB Output is correct
63 Correct 14 ms 4820 KB Output is correct
64 Correct 115 ms 37696 KB Output is correct
65 Correct 1 ms 468 KB Output is correct
66 Correct 1 ms 596 KB Output is correct
67 Correct 1 ms 596 KB Output is correct
68 Correct 1 ms 596 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 468 KB Output is correct
71 Correct 28 ms 8792 KB Output is correct
72 Correct 2 ms 724 KB Output is correct
73 Correct 8 ms 2624 KB Output is correct
74 Correct 5 ms 1620 KB Output is correct
75 Correct 12 ms 3800 KB Output is correct
76 Correct 96 ms 28120 KB Output is correct
77 Correct 278 ms 80836 KB Output is correct
78 Correct 15 ms 4808 KB Output is correct
79 Correct 124 ms 37780 KB Output is correct
80 Correct 9 ms 3412 KB Output is correct
81 Correct 33 ms 10324 KB Output is correct
82 Correct 284 ms 80844 KB Output is correct
83 Correct 0 ms 340 KB Output is correct
84 Correct 1 ms 468 KB Output is correct
85 Correct 26 ms 8896 KB Output is correct
86 Correct 2 ms 724 KB Output is correct
87 Correct 8 ms 2696 KB Output is correct
88 Correct 5 ms 1620 KB Output is correct
89 Correct 12 ms 4056 KB Output is correct
90 Correct 90 ms 28388 KB Output is correct
91 Correct 269 ms 81664 KB Output is correct
92 Correct 16 ms 5496 KB Output is correct
93 Correct 126 ms 38404 KB Output is correct
94 Correct 2 ms 720 KB Output is correct
95 Correct 24 ms 8880 KB Output is correct
96 Correct 1 ms 460 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 340 KB Output is correct