답안 #66983 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
66983	2018-08-13T06:42:14 Z	ekrem	Snake Escaping (JOI18_snake_escaping)	C++	75 / 100	2000 ms	66560 KB

snake_escaping

#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define N 1600005
using namespace std;

int n, m, a[(1<<20)+10], dp[N], prec[N], cvp[1000005], kaps[3000][200];
char c;
pair < int , int > q[1000005];

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);

	for(int i = 0; i < 1594323; i++){
		int x = i, crp = 1, ckr = -1, say = 0, bit = 0;
		while(x){
			if(x%3 == 2){
				ckr = crp;
				break;
			}
			bit += (1<<say)*(x%3);
			say++;
			crp *= 3;
			x /= 3;
		}
		if(ckr == -1)
			prec[i] = -bit;
		else
			prec[i] = ckr;
	}

	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 say = 0, son = 0, crp = 1;
		long long bit = 0;
		for(int i = 1; i <= n; i++){
			scanf(" %c" ,&c);
			bit *= 3;
			bit += (c == '?') ? 2 : c - '0';
		}
		for(int say = 1; say <= 13; say++){
			son += crp*(bit%3);
			crp *= 3;
			bit/=3;
		}
		// cout << bit << " , " << son << endl;
		q[i] = mp(bit, son);
	}

	for(int i = 0; i < 2187; i++)
		for(int j = 0; j < (1<<7); j++){
			if(i == 0 and j == 0)
				kaps[i][j] = 1;
			else if(i%3 != 2 and i%3 != j%2)
				kaps[i][j] = 0;
			else
				kaps[i][j] = kaps[i/3][j/2];
		}

	for(int i = 0; i < (1<<7); i++){

		for(int j = 0; j < 1594323; j++){
			if(prec[j] <= 0)
				dp[j] = a[i*(1<<13) - prec[j]];
			else
				dp[j] = dp[j - prec[j]] + dp[j - prec[j]*2];
		}

		for(int j = 1; j <= m; j++){
			if(kaps[q[j].st ][i ] ){
				cvp[j] += dp[q[j].nd];
			}
		}
	}
	for(int i = 1; i <= m; i++)
		printf("%d\n",cvp[i]);
	return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:43:7: warning: unused variable 'say' [-Wunused-variable]
   int say = 0, son = 0, crp = 1;
       ^~~
snake_escaping.cpp:35:7: 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:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf(" %c",&c);
   ~~~~~^~~~~~~~~~
snake_escaping.cpp:46:9: 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	407 ms	14584 KB	Output is correct
2	Correct	481 ms	14692 KB	Output is correct
3	Correct	478 ms	14768 KB	Output is correct
4	Correct	480 ms	14768 KB	Output is correct
5	Correct	443 ms	14972 KB	Output is correct
6	Correct	447 ms	14972 KB	Output is correct
7	Correct	443 ms	14972 KB	Output is correct
8	Correct	506 ms	14972 KB	Output is correct
9	Correct	484 ms	14972 KB	Output is correct
10	Correct	523 ms	14972 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	407 ms	14584 KB	Output is correct
2	Correct	481 ms	14692 KB	Output is correct
3	Correct	478 ms	14768 KB	Output is correct
4	Correct	480 ms	14768 KB	Output is correct
5	Correct	443 ms	14972 KB	Output is correct
6	Correct	447 ms	14972 KB	Output is correct
7	Correct	443 ms	14972 KB	Output is correct
8	Correct	506 ms	14972 KB	Output is correct
9	Correct	484 ms	14972 KB	Output is correct
10	Correct	523 ms	14972 KB	Output is correct
11	Correct	1531 ms	30432 KB	Output is correct
12	Correct	1731 ms	30432 KB	Output is correct
13	Correct	1396 ms	30432 KB	Output is correct
14	Correct	1750 ms	30432 KB	Output is correct
15	Correct	1536 ms	30664 KB	Output is correct
16	Correct	1537 ms	30664 KB	Output is correct
17	Correct	1553 ms	30664 KB	Output is correct
18	Correct	1489 ms	31628 KB	Output is correct
19	Correct	1572 ms	31628 KB	Output is correct
20	Correct	1605 ms	31628 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	407 ms	14584 KB	Output is correct
2	Correct	481 ms	14692 KB	Output is correct
3	Correct	478 ms	14768 KB	Output is correct
4	Correct	480 ms	14768 KB	Output is correct
5	Correct	443 ms	14972 KB	Output is correct
6	Correct	447 ms	14972 KB	Output is correct
7	Correct	443 ms	14972 KB	Output is correct
8	Correct	506 ms	14972 KB	Output is correct
9	Correct	484 ms	14972 KB	Output is correct
10	Correct	523 ms	14972 KB	Output is correct
11	Correct	1531 ms	30432 KB	Output is correct
12	Correct	1731 ms	30432 KB	Output is correct
13	Correct	1396 ms	30432 KB	Output is correct
14	Correct	1750 ms	30432 KB	Output is correct
15	Correct	1536 ms	30664 KB	Output is correct
16	Correct	1537 ms	30664 KB	Output is correct
17	Correct	1553 ms	30664 KB	Output is correct
18	Correct	1489 ms	31628 KB	Output is correct
19	Correct	1572 ms	31628 KB	Output is correct
20	Correct	1605 ms	31628 KB	Output is correct
21	Correct	1725 ms	31628 KB	Output is correct
22	Correct	1740 ms	32096 KB	Output is correct
23	Correct	1700 ms	33620 KB	Output is correct
24	Correct	1719 ms	33620 KB	Output is correct
25	Correct	1737 ms	35328 KB	Output is correct
26	Correct	1777 ms	35328 KB	Output is correct
27	Correct	1899 ms	35328 KB	Output is correct
28	Correct	1610 ms	36220 KB	Output is correct
29	Correct	1626 ms	36220 KB	Output is correct
30	Correct	1729 ms	36220 KB	Output is correct
31	Correct	1888 ms	36220 KB	Output is correct
32	Correct	1777 ms	38340 KB	Output is correct
33	Correct	1696 ms	49224 KB	Output is correct
34	Correct	1847 ms	54276 KB	Output is correct
35	Correct	1871 ms	54704 KB	Output is correct
36	Correct	1530 ms	54704 KB	Output is correct
37	Correct	1676 ms	55192 KB	Output is correct
38	Correct	1804 ms	55192 KB	Output is correct
39	Correct	1791 ms	55192 KB	Output is correct
40	Correct	1728 ms	55192 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	407 ms	14584 KB	Output is correct
2	Correct	481 ms	14692 KB	Output is correct
3	Correct	478 ms	14768 KB	Output is correct
4	Correct	480 ms	14768 KB	Output is correct
5	Correct	443 ms	14972 KB	Output is correct
6	Correct	447 ms	14972 KB	Output is correct
7	Correct	443 ms	14972 KB	Output is correct
8	Correct	506 ms	14972 KB	Output is correct
9	Correct	484 ms	14972 KB	Output is correct
10	Correct	523 ms	14972 KB	Output is correct
11	Correct	607 ms	55192 KB	Output is correct
12	Correct	698 ms	55192 KB	Output is correct
13	Correct	635 ms	55192 KB	Output is correct
14	Correct	754 ms	55192 KB	Output is correct
15	Correct	615 ms	55192 KB	Output is correct
16	Correct	655 ms	55192 KB	Output is correct
17	Correct	574 ms	55192 KB	Output is correct
18	Correct	518 ms	55192 KB	Output is correct
19	Correct	558 ms	55192 KB	Output is correct
20	Correct	612 ms	55192 KB	Output is correct
21	Correct	565 ms	56592 KB	Output is correct
22	Correct	608 ms	58644 KB	Output is correct
23	Correct	623 ms	60696 KB	Output is correct
24	Correct	583 ms	61760 KB	Output is correct
25	Correct	609 ms	61800 KB	Output is correct
26	Correct	586 ms	61800 KB	Output is correct
27	Correct	574 ms	61800 KB	Output is correct
28	Correct	817 ms	61800 KB	Output is correct
29	Correct	681 ms	61800 KB	Output is correct
30	Correct	554 ms	61800 KB	Output is correct
31	Correct	569 ms	61800 KB	Output is correct
32	Correct	593 ms	61840 KB	Output is correct
33	Correct	649 ms	61840 KB	Output is correct
34	Correct	589 ms	61840 KB	Output is correct
35	Correct	652 ms	61840 KB	Output is correct
36	Correct	630 ms	61840 KB	Output is correct
37	Correct	652 ms	61928 KB	Output is correct
38	Correct	685 ms	61928 KB	Output is correct
39	Correct	768 ms	61928 KB	Output is correct
40	Correct	687 ms	63608 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	407 ms	14584 KB	Output is correct
2	Correct	481 ms	14692 KB	Output is correct
3	Correct	478 ms	14768 KB	Output is correct
4	Correct	480 ms	14768 KB	Output is correct
5	Correct	443 ms	14972 KB	Output is correct
6	Correct	447 ms	14972 KB	Output is correct
7	Correct	443 ms	14972 KB	Output is correct
8	Correct	506 ms	14972 KB	Output is correct
9	Correct	484 ms	14972 KB	Output is correct
10	Correct	523 ms	14972 KB	Output is correct
11	Correct	1531 ms	30432 KB	Output is correct
12	Correct	1731 ms	30432 KB	Output is correct
13	Correct	1396 ms	30432 KB	Output is correct
14	Correct	1750 ms	30432 KB	Output is correct
15	Correct	1536 ms	30664 KB	Output is correct
16	Correct	1537 ms	30664 KB	Output is correct
17	Correct	1553 ms	30664 KB	Output is correct
18	Correct	1489 ms	31628 KB	Output is correct
19	Correct	1572 ms	31628 KB	Output is correct
20	Correct	1605 ms	31628 KB	Output is correct
21	Correct	1725 ms	31628 KB	Output is correct
22	Correct	1740 ms	32096 KB	Output is correct
23	Correct	1700 ms	33620 KB	Output is correct
24	Correct	1719 ms	33620 KB	Output is correct
25	Correct	1737 ms	35328 KB	Output is correct
26	Correct	1777 ms	35328 KB	Output is correct
27	Correct	1899 ms	35328 KB	Output is correct
28	Correct	1610 ms	36220 KB	Output is correct
29	Correct	1626 ms	36220 KB	Output is correct
30	Correct	1729 ms	36220 KB	Output is correct
31	Correct	1888 ms	36220 KB	Output is correct
32	Correct	1777 ms	38340 KB	Output is correct
33	Correct	1696 ms	49224 KB	Output is correct
34	Correct	1847 ms	54276 KB	Output is correct
35	Correct	1871 ms	54704 KB	Output is correct
36	Correct	1530 ms	54704 KB	Output is correct
37	Correct	1676 ms	55192 KB	Output is correct
38	Correct	1804 ms	55192 KB	Output is correct
39	Correct	1791 ms	55192 KB	Output is correct
40	Correct	1728 ms	55192 KB	Output is correct
41	Correct	607 ms	55192 KB	Output is correct
42	Correct	698 ms	55192 KB	Output is correct
43	Correct	635 ms	55192 KB	Output is correct
44	Correct	754 ms	55192 KB	Output is correct
45	Correct	615 ms	55192 KB	Output is correct
46	Correct	655 ms	55192 KB	Output is correct
47	Correct	574 ms	55192 KB	Output is correct
48	Correct	518 ms	55192 KB	Output is correct
49	Correct	558 ms	55192 KB	Output is correct
50	Correct	612 ms	55192 KB	Output is correct
51	Correct	565 ms	56592 KB	Output is correct
52	Correct	608 ms	58644 KB	Output is correct
53	Correct	623 ms	60696 KB	Output is correct
54	Correct	583 ms	61760 KB	Output is correct
55	Correct	609 ms	61800 KB	Output is correct
56	Correct	586 ms	61800 KB	Output is correct
57	Correct	574 ms	61800 KB	Output is correct
58	Correct	817 ms	61800 KB	Output is correct
59	Correct	681 ms	61800 KB	Output is correct
60	Correct	554 ms	61800 KB	Output is correct
61	Correct	569 ms	61800 KB	Output is correct
62	Correct	593 ms	61840 KB	Output is correct
63	Correct	649 ms	61840 KB	Output is correct
64	Correct	589 ms	61840 KB	Output is correct
65	Correct	652 ms	61840 KB	Output is correct
66	Correct	630 ms	61840 KB	Output is correct
67	Correct	652 ms	61928 KB	Output is correct
68	Correct	685 ms	61928 KB	Output is correct
69	Correct	768 ms	61928 KB	Output is correct
70	Correct	687 ms	63608 KB	Output is correct
71	Execution timed out	2051 ms	66560 KB	Time limit exceeded
72	Halted	0 ms	0 KB	-

답안 #66983

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 10.0 / 10.0

Subtask #4 53.0 / 53.0

Subtask #5 0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
10.0 / 10.0

Subtask #4
53.0 / 53.0

Subtask #5
0 / 25.0