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Submission #282824

# Submission time Handle Problem Language Result Execution time Memory
282824 2020-08-25T03:07:38 Z arnold518 None (JOI15_memory) C++14
25 / 100
 3132 ms 284024 KB 
#include "Memory_lib.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

int encode(int sz, int mch, int st)
{
	return (st<<8)|(mch<<4)|(sz);
}

int Memory(int N, int M)
{
	if(N%2) return -2;
	int sz=M&15; M>>=4;
	int mch=M&15; M>>=4;
	int st=M;

	if(sz>N/2) return -2;
	if(mch>N/2) return -2;
	if(st>=(1<<(N/2))) return -2;
	if(mch*2+sz>=N) return -2;
	char c=Get(mch*2+sz+1);

	if(c=='<')
	{
		st<<=1;
		sz++;
		if(sz>N/2) return -2;
	}
	else if(c=='[')
	{
		st<<=1;
		st|=1;
		sz++;
		if(sz>N/2) return -2;
	}
	else if(c=='>')
	{
		if(sz==0) return -2;
		if((st&1)!=0) return -2;
		sz--; st>>=1; mch++;
	}
	else if(c==']')
	{
		if(sz==0) return -2;
		if((st&1)!=1) return -2;
		sz--; st>>=1; mch++;
	}

	if(mch*2+sz==N)
	{
		if(sz==0) return -1;
		return -2;
	}
	return encode(sz, mch, st);
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2807 ms 283808 KB Output is correct
2 Correct 2834 ms 284024 KB Output is correct
3 Correct 2842 ms 284000 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2807 ms 283808 KB Output is correct
2 Correct 2834 ms 284024 KB Output is correct
3 Correct 2842 ms 284000 KB Output is correct
4 Correct 3132 ms 283872 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2807 ms 283808 KB Output is correct
2 Correct 2834 ms 284024 KB Output is correct
3 Correct 2842 ms 284000 KB Output is correct
4 Correct 3132 ms 283872 KB Output is correct
5 Correct 2956 ms 283660 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2807 ms 283808 KB Output is correct
2 Correct 2834 ms 284024 KB Output is correct
3 Correct 2842 ms 284000 KB Output is correct
4 Correct 3132 ms 283872 KB Output is correct
5 Correct 2956 ms 283660 KB Output is correct
6 Incorrect 0 ms 256 KB Wrong Answer [1]

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]

Subtask #6
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2807 ms 283808 KB Output is correct
2 Correct 2834 ms 284024 KB Output is correct
3 Correct 2842 ms 284000 KB Output is correct
4 Correct 3132 ms 283872 KB Output is correct
5 Correct 2956 ms 283660 KB Output is correct
6 Incorrect 0 ms 256 KB Wrong Answer [1]