oj.uz

Submission #26840

# Submission time Handle Problem Language Result Execution time Memory
26840 2017-07-06T09:51:25 Z yutaka1999 Editor (BOI15_edi) C++14
100 / 100
 309 ms 50336 KB 
#include <cstdio>
#include <cstdlib>
#include <cstdlib>
#include <algorithm>
#include <vector>
#include <cstring>
#define SIZE 300005
#define BT 20

using namespace std;

int A[SIZE];
int par[SIZE][BT];
int mn[SIZE][BT];
int ans[SIZE];

int main()
{
	int n;
	scanf("%d",&n);
	memset(par,-1,sizeof(par));
	memset(mn,-1,sizeof(mn));
	for(int i=0;i<n;i++)
	{
		int a;
		scanf("%d",&a);
		if(a>0)
		{
			ans[i]=a;
			par[i][0]=i;
		}
		else
		{
			a=-a;
			int to=i-1;
			for(int j=BT-1;j>=0;j--)
			{
				if(mn[to][j]>=a)
				{
					to=par[to][j];
				}
			}
			to--;
			if(to==-1)
			{
				ans[i]=0;
				mn[i][0]=a;
			}
			else
			{
				ans[i]=ans[to];
				int now=to,c=a;
				for(int j=0;j<BT;j++)
				{
					par[i][j]=now;
					mn[i][j]=c;
					if(now!=-1)
					{
						c=min(c,mn[now][j]);
						now=par[now][j];
					}
				}
			}
		}
		printf("%d\n",ans[i]);
	}
	return 0;
}

Compilation message

edi.cpp: In function 'int main()':
edi.cpp:20:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
edi.cpp:26:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a);
                 ^

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 50336 KB Output is correct
2 Correct 3 ms 50336 KB Output is correct
3 Correct 9 ms 50336 KB Output is correct
4 Correct 3 ms 50336 KB Output is correct
5 Correct 3 ms 50336 KB Output is correct
6 Correct 0 ms 50336 KB Output is correct
7 Correct 0 ms 50336 KB Output is correct
8 Correct 0 ms 50336 KB Output is correct
9 Correct 9 ms 50336 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 50336 KB Output is correct
2 Correct 143 ms 50336 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 50336 KB Output is correct
2 Correct 76 ms 50336 KB Output is correct
3 Correct 246 ms 50336 KB Output is correct
4 Correct 136 ms 50336 KB Output is correct
5 Correct 143 ms 50336 KB Output is correct
6 Correct 166 ms 50336 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 50336 KB Output is correct
2 Correct 3 ms 50336 KB Output is correct
3 Correct 9 ms 50336 KB Output is correct
4 Correct 3 ms 50336 KB Output is correct
5 Correct 3 ms 50336 KB Output is correct
6 Correct 0 ms 50336 KB Output is correct
7 Correct 0 ms 50336 KB Output is correct
8 Correct 0 ms 50336 KB Output is correct
9 Correct 9 ms 50336 KB Output is correct
10 Correct 109 ms 50336 KB Output is correct
11 Correct 143 ms 50336 KB Output is correct
12 Correct 59 ms 50336 KB Output is correct
13 Correct 76 ms 50336 KB Output is correct
14 Correct 246 ms 50336 KB Output is correct
15 Correct 136 ms 50336 KB Output is correct
16 Correct 143 ms 50336 KB Output is correct
17 Correct 166 ms 50336 KB Output is correct
18 Correct 149 ms 50336 KB Output is correct
19 Correct 113 ms 50336 KB Output is correct
20 Correct 309 ms 50336 KB Output is correct
21 Correct 106 ms 50336 KB Output is correct
22 Correct 126 ms 50336 KB Output is correct