Submission #101325

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
101325	2019-03-18 12:58:14	arman_ferdous	Bali Sculptures (APIO15_sculpture)	C++17	100 / 100	186 ms	512 KiB

sculpture

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 2010;
int n, A, B;
ll a[N], mask, bitpos;
int dp4[105][105];
int DP4(int pos, int parts) {
  if(pos > n) {
    if(A <= parts && parts <= B) return 1;
    return 0;
  }
  if(dp4[pos][parts] != -1) return dp4[pos][parts];
  int &ret = dp4[pos][parts]; ret = 0;
  ll s = 0;
  for(int i = pos; i <= n; i++) {
    s += a[i];
    if(((mask >> bitpos) & (s >> bitpos)) == (s>>bitpos)) ret |= DP4(i+1, parts+1);
  }
  return ret;
}
int dp5[N];
int DP5(int pos) {
  if(pos > n) return 0;
  if(dp5[pos] != -1) return dp5[pos];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

sculpture.cpp: In function 'int main()':
sculpture.cpp:42:7: 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:44:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &a[i]);
   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 21 / 21
• Subtask 4: 25 / 25
• Subtask 5: 29 / 29