Submission #36136

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
36136	2017-12-06 03:51:30	aome	Bootfall (IZhO17_bootfall)	C++14	100 / 100	376 ms	6972 KiB

bootfall

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#include <bits/stdc++.h>
using namespace std;
const int N = 505;
int n, a[N], sum[N];
int f[2][N * N];
int g[N * N];
int cnt[N * N];
vector<int> res;
int main() {
  ios::sync_with_stdio(false);
  cin >> n;
  for (int i = 1; i <= n; ++i) {
    cin >> a[i], sum[i] = sum[i - 1] + a[i];
  }
  f[0][0] = 1;
  for (int i = 0; i < n; ++i) {
    bool x = i & 1;
    for (int j = 0; j <= sum[i]; ++j) {
      f[x ^ 1][j + a[i + 1]] += f[x][j];
      f[x ^ 1][j] += f[x][j];
      f[x][j] = 0;
    }
  }
  if (sum[n] & 1 || !f[n & 1][sum[n] / 2]) {
    cout << 0; return 0;
  }
  for (int i = 1; i <= n; ++i) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bootfall.cpp: In function 'int main()':
bootfall.cpp:41:27: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d\n", res.size()); 
                           ^
bootfall.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < res.size(); ++i) printf("%d ", res[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