Submission #199034

#	Time	Username	Problem	Language	Result	Execution time	Memory
199034		TadijaSebez	Swap (BOI16_swap)	C++11	0 / 100	5 ms	256 KiB

swap

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
const int inf=1e9+7;
int main(){
	int n;
	scanf("%i",&n);
	vector<int> a(n*2+5,inf),ans(n+1);
	vector<bool> rsv(n+1,0);
	for(int i=1;i<=n;i++)scanf("%i",&a[i]);
	for(int i=1;i<=n;i++){
		if(rsv[i])swap(a[i>>1],a[i]);
		int ch=i<<1|1;
		if(a[i<<1]<a[i<<1|1])ch=i<<1;
		if(rsv[i^1] && a[i>>1]<a[ch])ch=i>>1;
		if(a[ch]<a[i]){
			if(ch>i && (ch&1))rsv[ch]=1;
			else if(ch<i)swap(a[i],a[ch]);
			else swap(a[i],a[ch]);
		}
	}
	for(int i=1;i<=n;i++)printf("%i ",a[i]);printf("\n");
	return 0;
}

Compilation message (stderr)

swap.cpp: In function 'int main()':
swap.cpp:23:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
  for(int i=1;i<=n;i++)printf("%i ",a[i]);printf("\n");
  ^~~
swap.cpp:23:42: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  for(int i=1;i<=n;i++)printf("%i ",a[i]);printf("\n");
                                          ^~~~~~
swap.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i",&n);
  ~~~~~^~~~~~~~~
swap.cpp:11:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++)scanf("%i",&a[i]);
                       ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 27
• Subtask 4: 0 / 20
• Subtask 5: 0 / 32