Submission #681998

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
681998	2023-01-15 07:01:54	boykut	Bootfall (IZhO17_bootfall)	C++14	100 / 100	334 ms	3432 KiB

bootfall

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#include <bits/stdc++.h>
using namespace std;
const int MAX = 600;
int dp[MAX*MAX], can[MAX*MAX];
int a[MAX];
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  
  int n, sum = 0;
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    sum += a[i];
  }
  
  dp[0] = 1;
  for (int i = 0; i < n; i++) {
    for (int x = sum; x >= 0; x--) {
      dp[x+a[i]] += dp[x];
    }
  }
  
  if (sum%2 == 1 || dp[sum/2] == 0) {
    return cout << 0, 0;
  }
  
 
 
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Compilation message (stderr)

bootfall.cpp: In function 'int main()':
bootfall.cpp:53:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |   for (int i = 0; i < ans.size(); i++) {
      |                   ~~^~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 15 / 15
• Subtask 4: 16 / 16
• Subtask 5: 21 / 21
• Subtask 6: 35 / 35