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Submission #255137

# Submission time Handle Problem Language Result Execution time Memory
255137 2020-07-31T10:21:48 Z babo Teams (CEOI11_tea) C++14
0 / 100
 316 ms 51704 KB 
#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

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 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 640 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 640 KB Output is correct
2 Incorrect 3 ms 640 KB Output isn't correct

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 4352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 26 ms 4856 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 224 ms 38524 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 316 ms 51704 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 301 ms 50040 KB Output isn't correct
2 Halted 0 ms 0 KB -