oj.uz

Submission #78027

# Submission time Handle Problem Language Result Execution time Memory
78027 2018-10-02T00:00:44 Z xiaowuc1 Bali Sculptures (APIO15_sculpture) C++14
0 / 100
 2 ms 620 KB 
#include <bits/stdc++.h>

/*
unsigned seed1 = std::chrono::system_clock::now().time_since_epoch().count();
mt19937 g1.seed(seed1);

ios_base::sync_with_stdio(false);
cin.tie(NULL);
*/
using namespace std;

const double PI = 2 * acos(0);

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<int, ll> pill;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef vector<vector<ll>> matrix;

ll pref[2001];

int n, a, b;
ll dp[2001];
ll nextDP[2001];

int main() {
  scanf("%d%d%d", &n, &a, &b);
  for(int i = 0; i < n; i++) {
    scanf("%lld", &pref[i+1]);
    pref[i+1] += pref[i];
    dp[i+1] = 1LL << 60;
  }
  ll ret = 1LL << 60;
  for(int x = 1; x <= b; x++) {
    for(int i = 0; i <= n; i++) {
      nextDP[i] = 1LL << 60;
    }
    for(int i = 0; i < n; i++) {
      for(int j = i+1; j <= n; j++) {
        nextDP[j] = min(nextDP[j], dp[i] | (pref[j] - pref[i]));
      }
    }
    memcpy(dp, nextDP, sizeof(dp));
    if(x >= a) {
      ret = min(ret, dp[n]);
    }
  }
  printf("%lld\n", ret);
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:29:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &n, &a, &b);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &pref[i+1]);
     ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 576 KB Output is correct
2 Incorrect 2 ms 576 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 576 KB Output is correct
2 Incorrect 2 ms 576 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 576 KB Output is correct
2 Incorrect 2 ms 616 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 620 KB Output is correct
2 Incorrect 2 ms 620 KB Output isn't correct
3 Halted 0 ms 0 KB -