oj.uz

답안 #592439

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
592439 2022-07-09T08:04:17 Z dantoh000 기억 압축 (JOI15_memory) C++14
30 / 100
 2403 ms 284168 KB 
#include "Memory_lib.h"
#include <bits/stdc++.h>
int Memory(int N, int M) {
	if (N <= 30){
		int idx = M&31;
		int flag = M>>5&1;
		int state = M>>6;
		if (idx > N) return 0;
		if (idx == N) return state==0?-1:-2;
		char ch = Get(idx+1);
		int type = (ch == '<' || ch == '>') ? 0 : 1;
		int open = (ch == '<' || ch == '[') ? 1 : 0;
		if (!open){
			if (state == 0) return -2;
			if (flag^(state&1) == type){
				state>>=1;
			}
			else return -2;
		}
		else{
			if (state >= 1<<16) return -2;
			state<<=1;
			if (state == 0){
				state = 1;
				flag = type^1;
			}
			else{
				state |= (flag^type);
			}
		}
		M = (state<<6)|(flag<<5)|(idx+1);
		return M>=4194304?0:M;
	}
	else{
		int idx = M&127;
		int ct = M>>7;
		if (idx > N) return 0;
		if (idx == N) return (ct==0)?-1:-2;
		char ch = Get(idx+1);
		if (ch == '<'){
			ct++;
		}
		else{
			if (ct == 0) return -2;
			ct--;
		}
		M = (ct<<7)|(idx+1);
		return M>=4194304?0:M;
	}
}

Compilation message

memory.cpp: In function 'int Memory(int, int)':
memory.cpp:15:23: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   15 |    if (flag^(state&1) == type){
      |             ~~~~~~~~~~^~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2206 ms 284076 KB Output is correct
2 Correct 2210 ms 284040 KB Output is correct
3 Correct 2253 ms 284072 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2206 ms 284076 KB Output is correct
2 Correct 2210 ms 284040 KB Output is correct
3 Correct 2253 ms 284072 KB Output is correct
4 Correct 2239 ms 284104 KB Output is correct

Subtask #3
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2206 ms 284076 KB Output is correct
2 Correct 2210 ms 284040 KB Output is correct
3 Correct 2253 ms 284072 KB Output is correct
4 Correct 2239 ms 284104 KB Output is correct
5 Incorrect 2320 ms 284168 KB Wrong Answer [5]
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2206 ms 284076 KB Output is correct
2 Correct 2210 ms 284040 KB Output is correct
3 Correct 2253 ms 284072 KB Output is correct
4 Correct 2239 ms 284104 KB Output is correct
5 Incorrect 2320 ms 284168 KB Wrong Answer [5]
6 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2403 ms 283952 KB Output is correct

Subtask #6
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2206 ms 284076 KB Output is correct
2 Correct 2210 ms 284040 KB Output is correct
3 Correct 2253 ms 284072 KB Output is correct
4 Correct 2239 ms 284104 KB Output is correct
5 Incorrect 2320 ms 284168 KB Wrong Answer [5]
6 Halted 0 ms 0 KB -