Submission #255137

#	Time	Username	Problem	Language	Result	Execution time	Memory
255137		babo	Teams (CEOI11_tea)	C++14	0 / 100	316 ms	51704 KiB

tea

#include <bits/stdc++.h>
#define L long long

using namespace std;


L n;

struct S{
	L a,ord;
}a[1000010];

bool operator<(S a,S b){
	return a.a<b.a;
}

L ma[1000010],mad[1000010],bck[1000010];

int main()
{
	scanf("%lld",&n);
	L i;
	for(i=1;i<=n;i++)
	{
		scanf("%lld",&a[i].a);
		a[i].ord=i;
	}
	sort(a+1,a+n+1);
	for(i=1;i<=n;i++)
	{
		ma[i]=ma[i-1];
		mad[i]=mad[i-1];
		if(a[i].a>i) continue;
		if(ma[i]<=ma[i-a[i].a]+1)
		{
			ma[i]=ma[i-a[i].a]+1;
			mad[i]=i;
			bck[i]=mad[i-a[i].a];
		}
	}
	printf("%lld\n",ma[n]);
	L temp=n;
	while(temp)
	{
		printf("%lld ",temp-bck[temp]);
		for(i=bck[temp]+1;i<=temp;i++)
			printf("%lld ",a[i].ord);
		puts("");
		temp=bck[temp];
	}
}

Compilation message (stderr)

tea.cpp: In function 'int main()':
tea.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
  ~~~~~^~~~~~~~~~~
tea.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i].a);
   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10