Submission #846994

#	Time	Username	Problem	Language	Result	Execution time	Memory
846994		StefanSebez	Stone Arranging 2 (JOI23_ho_t1)	C++14	100 / 100	155 ms	15304 KiB

Main

#include <bits/stdc++.h>
using namespace std;
map<int,int>mapa;
int main()
{
    int n;
    scanf("%i",&n);
    int a[n+1];
    for(int i=1;i<=n;i++)
	{
		scanf("%i",&a[i]);
	}
	vector<int>b;
	for(int i=1;i<=n;i++)
	{
		if(mapa[a[i]]>0)
		{
			while(a[b.back()]!=a[i])
			{
				mapa[a[b.back()]]--;
				b.pop_back();
			}
		}
		mapa[a[i]]++;
		b.push_back(i);
	}
	/*for(auto i:b)cout<<i<<" ";
	cout<<endl;*/
	for(int i=0;i<b.size();i++)
	{
		printf("%i ",a[b[i]]);
		if(i==b.size()-1) break;
		for(int j=b[i]+1;j<b[i+1];j++)
		{
			printf("%i ",a[b[i]]);
		}
	}
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:29:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |  for(int i=0;i<b.size();i++)
      |              ~^~~~~~~~~
Main.cpp:32:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   if(i==b.size()-1) break;
      |      ~^~~~~~~~~~~~
Main.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%i",&n);
      |     ~~~~~^~~~~~~~~
Main.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |   scanf("%i",&a[i]);
      |   ~~~~~^~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40