답안 #66868 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
66868	2018-08-12T16:49:44 Z	ekrem	Snake Escaping (JOI18_snake_escaping)	C++	12 / 100	978 ms	14316 KB

snake_escaping

#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define N 1000005
using namespace std;

int n, m, a[N], dp[N];
char c;

int f(int bit){
	if(dp[bit] != -1)
		return dp[bit];
	int yed = bit, crp = 1, ckr = -1;
	while(yed){
		if(yed%3 == 2){
			ckr = crp;
			break;
		}
		crp *= 3;
		yed /= 3;
	}
	if(ckr == -1){
		yed = bit;
		int say = 0, cvp = 0;
		while(yed){
			cvp += (1<<say)*(yed%3);
			say++;
			yed /= 3;
		}
		return dp[bit] = a[cvp];
	}
	return dp[bit] = f(bit - ckr) + f(bit - ckr - ckr);
}

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	memset(dp, -1, sizeof dp);
	scanf("%d %d",&n ,&m);
	for(int i = 0; i < (1<<n); i++){
		scanf(" %c",&c);
		a[i] = c - '0';
	}
	for(int i = 1; i <= m; i++){
		int bit = 0;
		for(int i = 1; i <= n; i++){
			scanf(" %c" ,&c);
			bit *= 3;
			bit += (c == '?') ? 2 : c - '0';
		}
		printf("%d\n",f(bit));
	}
	return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:41:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n ,&m);
  ~~~~~^~~~~~~~~~~~~~~~
snake_escaping.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c",&c);
   ~~~~~^~~~~~~~~~
snake_escaping.cpp:49:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf(" %c" ,&c);
    ~~~~~^~~~~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4216 KB	Output is correct
2	Correct	8 ms	4456 KB	Output is correct
3	Correct	8 ms	4532 KB	Output is correct
4	Correct	8 ms	4532 KB	Output is correct
5	Correct	8 ms	4532 KB	Output is correct
6	Correct	7 ms	4592 KB	Output is correct
7	Correct	8 ms	4592 KB	Output is correct
8	Correct	9 ms	4592 KB	Output is correct
9	Correct	8 ms	4592 KB	Output is correct
10	Correct	8 ms	4592 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4216 KB	Output is correct
2	Correct	8 ms	4456 KB	Output is correct
3	Correct	8 ms	4532 KB	Output is correct
4	Correct	8 ms	4532 KB	Output is correct
5	Correct	8 ms	4532 KB	Output is correct
6	Correct	7 ms	4592 KB	Output is correct
7	Correct	8 ms	4592 KB	Output is correct
8	Correct	9 ms	4592 KB	Output is correct
9	Correct	8 ms	4592 KB	Output is correct
10	Correct	8 ms	4592 KB	Output is correct
11	Correct	909 ms	11892 KB	Output is correct
12	Correct	796 ms	11892 KB	Output is correct
13	Correct	862 ms	11892 KB	Output is correct
14	Correct	763 ms	12312 KB	Output is correct
15	Correct	750 ms	13260 KB	Output is correct
16	Correct	928 ms	13260 KB	Output is correct
17	Correct	943 ms	13260 KB	Output is correct
18	Correct	949 ms	14316 KB	Output is correct
19	Correct	754 ms	14316 KB	Output is correct
20	Correct	825 ms	14316 KB	Output is correct

Subtask #3
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4216 KB	Output is correct
2	Correct	8 ms	4456 KB	Output is correct
3	Correct	8 ms	4532 KB	Output is correct
4	Correct	8 ms	4532 KB	Output is correct
5	Correct	8 ms	4532 KB	Output is correct
6	Correct	7 ms	4592 KB	Output is correct
7	Correct	8 ms	4592 KB	Output is correct
8	Correct	9 ms	4592 KB	Output is correct
9	Correct	8 ms	4592 KB	Output is correct
10	Correct	8 ms	4592 KB	Output is correct
11	Correct	909 ms	11892 KB	Output is correct
12	Correct	796 ms	11892 KB	Output is correct
13	Correct	862 ms	11892 KB	Output is correct
14	Correct	763 ms	12312 KB	Output is correct
15	Correct	750 ms	13260 KB	Output is correct
16	Correct	928 ms	13260 KB	Output is correct
17	Correct	943 ms	13260 KB	Output is correct
18	Correct	949 ms	14316 KB	Output is correct
19	Correct	754 ms	14316 KB	Output is correct
20	Correct	825 ms	14316 KB	Output is correct
21	Incorrect	978 ms	14316 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

Subtask #4
0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4216 KB	Output is correct
2	Correct	8 ms	4456 KB	Output is correct
3	Correct	8 ms	4532 KB	Output is correct
4	Correct	8 ms	4532 KB	Output is correct
5	Correct	8 ms	4532 KB	Output is correct
6	Correct	7 ms	4592 KB	Output is correct
7	Correct	8 ms	4592 KB	Output is correct
8	Correct	9 ms	4592 KB	Output is correct
9	Correct	8 ms	4592 KB	Output is correct
10	Correct	8 ms	4592 KB	Output is correct
11	Incorrect	69 ms	14316 KB	Output isn't correct
12	Halted	0 ms	0 KB	-

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4216 KB	Output is correct
2	Correct	8 ms	4456 KB	Output is correct
3	Correct	8 ms	4532 KB	Output is correct
4	Correct	8 ms	4532 KB	Output is correct
5	Correct	8 ms	4532 KB	Output is correct
6	Correct	7 ms	4592 KB	Output is correct
7	Correct	8 ms	4592 KB	Output is correct
8	Correct	9 ms	4592 KB	Output is correct
9	Correct	8 ms	4592 KB	Output is correct
10	Correct	8 ms	4592 KB	Output is correct
11	Correct	909 ms	11892 KB	Output is correct
12	Correct	796 ms	11892 KB	Output is correct
13	Correct	862 ms	11892 KB	Output is correct
14	Correct	763 ms	12312 KB	Output is correct
15	Correct	750 ms	13260 KB	Output is correct
16	Correct	928 ms	13260 KB	Output is correct
17	Correct	943 ms	13260 KB	Output is correct
18	Correct	949 ms	14316 KB	Output is correct
19	Correct	754 ms	14316 KB	Output is correct
20	Correct	825 ms	14316 KB	Output is correct
21	Incorrect	978 ms	14316 KB	Output isn't correct
22	Halted	0 ms	0 KB	-

답안 #66868

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 0 / 10.0

Subtask #4 0 / 53.0

Subtask #5 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
0 / 10.0

Subtask #4
0 / 53.0

Subtask #5
0 / 25.0