Submission #258753

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
258753	2020-08-06 13:53:27	atoiz	Swap (BOI16_swap)	C++14	100 / 100	60 ms	5264 KiB

swap

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#include <iostream>
#include <vector>
#include <algorithm>
#include <cassert>
using namespace std;
const int MAXN = 200007;
int N, A[MAXN * 2], B[MAXN];
int getMin(int i)
{
  if (B[i] == 0) return A[i];
  int ans;
  if ((i & 1)) {
    if (B[i ^ 1] == 1) ans = A[i ^ 1];
    else if (B[i ^ 1] == -1) ans = min(A[i ^ 1], getMin(i >> 1));
    else ans = getMin(i >> 1);
  } else {
    ans = getMin(i >> 1);
  }
  if (B[i] == -1) ans = min(ans, A[i]);
  return ans;
}
void retrieve(int i, int val)
{
  if (B[i] == 0) {
    assert(A[i] == val);
 
 
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Compilation message (stderr)

swap.cpp: In function 'int main()':
swap.cpp:69:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for (int i = 1; i <= N; ++i) cout << A[i] << ' '; cout << endl;
  ^~~
swap.cpp:69:52: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  for (int i = 1; i <= N; ++i) cout << A[i] << ' '; cout << endl;
                                                    ^~~~

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 27 / 27
• Subtask 4: 20 / 20
• Subtask 5: 32 / 32