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Submission #592526

# Submission time Handle Problem Language Result Execution time Memory
592526 2022-07-09T09:30:36 Z tqbfjotld None (JOI15_memory) C++14
40 / 100
 2480 ms 284084 KB 
#include "Memory_lib.h"
#include <bits/stdc++.h>
using namespace std;

int Memory(int N, int M) {
	if (N>30){			
		int loc = M%(N+1);
		int rem = M/(N+1);
		if (loc==N) return rem==0?-1:-2;
		int res = Get(loc+1);
		if (res=='>'){
			if (rem==0) return -2;
			rem--;
		}
		else{
			rem++;
		}
		if ((rem*(N+1)+loc+1)>=(1<<22)) return -2;
		return rem*(N+1)+loc+1;
	}
	int loc = M%(N+1);
	int rem = M/(N+1);
	if (loc==0) rem = 1<<15;
	int rems = 15-__builtin_ctz(rem);
	if (rems<0) return -2;
	int remm = rem>>(15-rems+1);
	if (loc==N){
		return rems==0?-1:-2;
	}
	int res = Get(loc+1);
	//printf("loc %d rems = %d remm = %x\n",loc,rems,remm);
	if (res==']' || res=='>'){
		if (rems==0) return -2;
		if ((remm&1)==(res==']')){
			rems--;
			remm>>=1;
		}
		else{
			return -2;
		}
	}
	else{
		if (rems==15){
			return -2;
		}
		rems++;
		remm<<=1;
		remm += (res=='[');
	}
	if ((((remm<<((15-rems)+1))+(1<<(15-rems)))*(N+1)+(loc+1))>=(1<<22))
		return -2;
	//printf("rems = %d, remm = %x\n",rems,remm);
	return ((remm<<((15-rems)+1))+(1<<(15-rems)))*(N+1)+(loc+1);
	
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2171 ms 284072 KB Output is correct
2 Correct 2192 ms 283984 KB Output is correct
3 Correct 2480 ms 283996 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2171 ms 284072 KB Output is correct
2 Correct 2192 ms 283984 KB Output is correct
3 Correct 2480 ms 283996 KB Output is correct
4 Correct 2228 ms 283912 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2171 ms 284072 KB Output is correct
2 Correct 2192 ms 283984 KB Output is correct
3 Correct 2480 ms 283996 KB Output is correct
4 Correct 2228 ms 283912 KB Output is correct
5 Correct 2158 ms 284084 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2171 ms 284072 KB Output is correct
2 Correct 2192 ms 283984 KB Output is correct
3 Correct 2480 ms 283996 KB Output is correct
4 Correct 2228 ms 283912 KB Output is correct
5 Correct 2158 ms 284084 KB Output is correct
6 Correct 2154 ms 283976 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2033 ms 283960 KB Output is correct

Subtask #6
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2171 ms 284072 KB Output is correct
2 Correct 2192 ms 283984 KB Output is correct
3 Correct 2480 ms 283996 KB Output is correct
4 Correct 2228 ms 283912 KB Output is correct
5 Correct 2158 ms 284084 KB Output is correct
6 Correct 2154 ms 283976 KB Output is correct
7 Correct 2033 ms 283960 KB Output is correct
8 Correct 2037 ms 283960 KB Output is correct
9 Incorrect 2203 ms 283892 KB Wrong Answer [6]
10 Halted 0 ms 0 KB -