oj.uz

Submission #580231

# Submission time Handle Problem Language Result Execution time Memory
580231 2022-06-20T19:00:50 Z Sam_a17 Bali Sculptures (APIO15_sculpture) C++14
100 / 100
 749 ms 23116 KB 
#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
//#include "temp.cpp"
#include <cstdio>
using namespace std;
 
#pragma GCC optimize("Ofast")
 
#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 pb push_back
#define popf pop_front
#define popb pop_back
 
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(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
 
template <class T> void print(set <T> v);
template <class T> void print(vector <T> v);
template <class T> void print(multiset <T> v);
template <class T, class V> void print(map <T, V> v);
template <class T, class V> void print(pair <T, V> p);
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } 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(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 << "]";}
template <class T, class V> void print(unordered_map<T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]";}
 
// #include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define nl '\n'
 
// for grid problems
long long dx[8] = {-1,0,1,0,1,-1,1,-1};
long long 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 != "" && str != "input") {
    freopen((str + ".in").c_str(), "r", stdin);
    freopen((str + ".out").c_str(), "w", stdout);
  }
 
  if(str == "input") {
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
  }
}
 
// Random
mt19937 myrand(chrono::steady_clock::now().time_since_epoch().count());
 
// Indexed Set
// template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 2e3 + 10, LOG = 8 * sizeof(long long) - 1, inf = 1e8;
int n, a, b;
long long arr[N], pref[N][N];

bool check1(long long curr, long long bi) {
  vector<vector<int>> dp(n + 1, vector<int> (n + 1, -1));
  dp[0][0] = 1;
  for(int i = 1; i <= n; i++) {
    long long s = 0;
    for(int j = i; j >= 1; j--) {
      s += arr[j];
      for(int k = 0; k < n; k++) {
        if(dp[j - 1][k] == -1) continue;
        int is_on = ((((s >> bi) << bi) | curr) == curr ? 1 : 0);
          
        if(dp[i][k + 1] == -1) {
          if(!is_on || !dp[j - 1][k]) {
            dp[i][k + 1] = 0;
          } else {
            dp[i][k + 1] = 1;
          }
        } else {
          if(dp[i][k + 1] == 1) {
            continue;
          }

          if(!is_on || !dp[j - 1][k]) {
            dp[i][k + 1] = 0;
          } else {
            dp[i][k + 1] = 1;
          }
        }
      }
    }
  }

  for(int i = a; i <= b; i++) {
    if(dp[n][i] == 1) {
      return true;
    }
  }

  return false;
}

bool check2(long long curr, long long bi) {
  vector<int> dp(n + 1, inf);
  dp[0] = 0;

  for(int i = 1; i <= n; i++) {
    for(int j = 1; j <= i; j++) {
      long long s = pref[j][i];
      int is_on = (((s >> bi) << bi) | curr) == curr;

      if(is_on) {
        dp[i] = min(dp[i], dp[j - 1] + 1);
      }
    }
  }

  return dp[n] <= b;
}

void solve_() {
  cin >> n >> a >> b;

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

  long long answ = 0;
  if(a != 1 && n <= 100) {
    for(int i = LOG; i >= 0; i--) {
      if(!check1(answ, i)) {
        answ |= (1ll << i);
      }
    }
  } else {
    for(int i = 1; i <= n; i++) {
      for(int j = i; j <= n; j++) {
        pref[i][j] = pref[i][j - 1] + arr[j];
      } 
    }

    for(int i = LOG; i >= 0; i--) {
      if(!check2(answ, i)) {
        answ |= (1ll << i);
      }
    }
  }

  printf("%lld\n", answ);
}
 
int main() {
  setIO();

  auto solve = [&](int test_case)-> void {
    while(test_case--) {
      solve_();
    }
  };
  int test_cases = 1;
  solve(test_cases);
 
  return 0;
}

Compilation message

sculpture.cpp: In function 'void setIO(std::string)':
sculpture.cpp:66:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |     freopen((str + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.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 + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:71:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:72:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 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 1 ms 328 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 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 340 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 340 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct

Subtask #2
16.0 / 16.0

# 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 212 KB Output is correct
23 Correct 2 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 328 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 468 KB Output is correct
36 Correct 1 ms 460 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 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 340 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 340 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 468 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 2 ms 596 KB Output is correct
27 Correct 1 ms 724 KB Output is correct
28 Correct 2 ms 724 KB Output is correct
29 Correct 2 ms 724 KB Output is correct
30 Correct 2 ms 724 KB Output is correct
31 Correct 2 ms 724 KB Output is correct
32 Correct 2 ms 716 KB Output is correct

Subtask #4
25.0 / 25.0

# 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 1 ms 340 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 324 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 340 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 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 344 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 456 KB Output is correct
40 Correct 1 ms 468 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 460 KB Output is correct
44 Correct 1 ms 468 KB Output is correct
45 Correct 1 ms 468 KB Output is correct
46 Correct 1 ms 460 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 1 ms 588 KB Output is correct
49 Correct 1 ms 596 KB Output is correct
50 Correct 2 ms 724 KB Output is correct
51 Correct 2 ms 724 KB Output is correct
52 Correct 2 ms 712 KB Output is correct
53 Correct 2 ms 724 KB Output is correct
54 Correct 2 ms 724 KB Output is correct
55 Correct 2 ms 724 KB Output is correct
56 Correct 1 ms 456 KB Output is correct
57 Correct 1 ms 596 KB Output is correct
58 Correct 2 ms 724 KB Output is correct
59 Correct 2 ms 724 KB Output is correct
60 Correct 1 ms 724 KB Output is correct
61 Correct 2 ms 716 KB Output is correct
62 Correct 2 ms 724 KB Output is correct
63 Correct 2 ms 724 KB Output is correct
64 Correct 30 ms 332 KB Output is correct
65 Correct 8 ms 340 KB Output is correct
66 Correct 16 ms 328 KB Output is correct
67 Correct 32 ms 340 KB Output is correct
68 Correct 43 ms 340 KB Output is correct
69 Correct 56 ms 360 KB Output is correct
70 Correct 51 ms 360 KB Output is correct
71 Correct 49 ms 360 KB Output is correct
72 Correct 51 ms 364 KB Output is correct
73 Correct 53 ms 364 KB Output is correct
74 Correct 50 ms 340 KB Output is correct

Subtask #5
29.0 / 29.0

# 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 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 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 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 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 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 1 ms 468 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 1 ms 468 KB Output is correct
35 Correct 1 ms 596 KB Output is correct
36 Correct 1 ms 596 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 2 ms 724 KB Output is correct
41 Correct 2 ms 724 KB Output is correct
42 Correct 2 ms 724 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 596 KB Output is correct
45 Correct 1 ms 724 KB Output is correct
46 Correct 2 ms 724 KB Output is correct
47 Correct 2 ms 724 KB Output is correct
48 Correct 2 ms 716 KB Output is correct
49 Correct 2 ms 724 KB Output is correct
50 Correct 2 ms 776 KB Output is correct
51 Correct 2 ms 716 KB Output is correct
52 Correct 26 ms 3924 KB Output is correct
53 Correct 40 ms 5460 KB Output is correct
54 Correct 78 ms 8276 KB Output is correct
55 Correct 79 ms 8276 KB Output is correct
56 Correct 688 ms 23056 KB Output is correct
57 Correct 702 ms 23056 KB Output is correct
58 Correct 749 ms 23116 KB Output is correct
59 Correct 679 ms 23000 KB Output is correct
60 Correct 670 ms 23072 KB Output is correct
61 Correct 2 ms 724 KB Output is correct
62 Correct 41 ms 5460 KB Output is correct
63 Correct 92 ms 8276 KB Output is correct
64 Correct 79 ms 8276 KB Output is correct
65 Correct 202 ms 13652 KB Output is correct
66 Correct 461 ms 19148 KB Output is correct
67 Correct 684 ms 23060 KB Output is correct
68 Correct 697 ms 23116 KB Output is correct
69 Correct 706 ms 23060 KB Output is correct