Submission #36869

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
36869	2017-12-16 21:18:01	JustInCase	Bootfall (IZhO17_bootfall)	C++14	100 / 100	436 ms	5800 KiB

bootfall

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#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAX_N = 505;
const int MAX_SUM = 500 * 500 + 5;
int a[MAX_N], dp[MAX_SUM], aux[MAX_SUM], cntOkWith[MAX_SUM];
int main() {
  //ios_base::sync_with_stdio(false);
  //cin.tie(nullptr);
  int n;
  cin >> n;
  int sum = 0;
  dp[0] = 1;
  for(int i = 0; i < n; i++) {
    cin >> a[i];
    for(int j = sum; j >= 0; j--) {
      dp[j + a[i]] += dp[j];
    }
    sum += a[i];
  }
  if(sum % 2 != 0 || dp[sum / 2] == 0) {
    cout << 0 << endl;
 
 
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• Subtask 2: 7 / 7
• Subtask 3: 15 / 15
• Subtask 4: 16 / 16
• Subtask 5: 21 / 21
• Subtask 6: 35 / 35