답안 #58956 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
58956	2018-07-19T21:31:29 Z	TadijaSebez	Snake Escaping (JOI18_snake_escaping)	C++11	75 / 100	1413 ms	66560 KB

snake_escaping

#include <stdio.h>
const int N=1<<20;
int dp0[N],dp1[N],pc[N];
char s[N],t[20];
int min(int a, int b){ return a>b?b:a;}
int abs(int x){ return x>0?x:-x;}
int main()
{
	int n,q,i,mask;
	for(i=1;i<N;i++) pc[i]=pc[i-(i&-i)]+1;
	scanf("%i %i",&n,&q);
	scanf("%s",s);
	for(i=0;i<(1<<n);i++)
	{
		dp1[i]=dp0[((1<<n)-1)^i]=s[i]-'0';
	}
	for(i=0;i<n;i++)
	{
		for(mask=0;mask<(1<<n);mask++)
		{
			if((mask>>i)&1)
			{
				dp1[mask]+=dp1[mask^(1<<i)];
				dp0[mask]+=dp0[mask^(1<<i)];
			}
		}
	}
	while(q--)
	{
		scanf("%s",t);
		int a=0,b=0,c=0;
		for(i=0;i<n;i++)
		{
			if(t[n-i-1]=='0') a+=1<<i;
			else if(t[n-i-1]=='1') b+=1<<i;
			else c+=1<<i;
		}
		int ans=0;
		if(pc[a]<=min(pc[b],pc[c]))
		{
			for(mask=a;;mask=(mask-1)&a)
			{
				//printf("a:%i %i\n",a,mask);
				if((pc[mask]&1)==(pc[a]&1)) ans+=dp0[mask|c];
				else ans-=dp0[mask|c];
				if(!mask) break;
			}
		}
		else if(pc[b]<=min(pc[a],pc[c]))
		{
			for(mask=b;;mask=(mask-1)&b)
			{
				//printf("b:%i %i\n",b,mask);
				if((pc[mask]&1)==(pc[b]&1)) ans+=dp1[mask|c];
				else ans-=dp1[mask|c];
				if(!mask) break;
			}
		}
		else
		{
			for(mask=c;;mask=(mask-1)&c)
			{
				//printf("c:%i %i\n",c,mask);
				ans+=s[mask|b]-'0';
				if(!mask) break;
			}
		}
		printf("%i\n",abs(ans));
	}
	return 0;
}

Compilation message

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&q);
  ~~~~~^~~~~~~~~~~~~~~
snake_escaping.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s",s);
  ~~~~~^~~~~~~~
snake_escaping.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s",t);
   ~~~~~^~~~~~~~

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4472 KB	Output is correct
2	Correct	6 ms	4472 KB	Output is correct
3	Correct	6 ms	4508 KB	Output is correct
4	Correct	6 ms	4508 KB	Output is correct
5	Correct	6 ms	4524 KB	Output is correct
6	Correct	7 ms	4524 KB	Output is correct
7	Correct	6 ms	4576 KB	Output is correct
8	Correct	6 ms	4576 KB	Output is correct
9	Correct	7 ms	4576 KB	Output is correct
10	Correct	6 ms	4624 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4472 KB	Output is correct
2	Correct	6 ms	4472 KB	Output is correct
3	Correct	6 ms	4508 KB	Output is correct
4	Correct	6 ms	4508 KB	Output is correct
5	Correct	6 ms	4524 KB	Output is correct
6	Correct	7 ms	4524 KB	Output is correct
7	Correct	6 ms	4576 KB	Output is correct
8	Correct	6 ms	4576 KB	Output is correct
9	Correct	7 ms	4576 KB	Output is correct
10	Correct	6 ms	4624 KB	Output is correct
11	Correct	298 ms	8620 KB	Output is correct
12	Correct	310 ms	8620 KB	Output is correct
13	Correct	334 ms	8620 KB	Output is correct
14	Correct	343 ms	8620 KB	Output is correct
15	Correct	315 ms	8664 KB	Output is correct
16	Correct	357 ms	8664 KB	Output is correct
17	Correct	409 ms	8664 KB	Output is correct
18	Correct	267 ms	9588 KB	Output is correct
19	Correct	349 ms	9588 KB	Output is correct
20	Correct	330 ms	9588 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4472 KB	Output is correct
2	Correct	6 ms	4472 KB	Output is correct
3	Correct	6 ms	4508 KB	Output is correct
4	Correct	6 ms	4508 KB	Output is correct
5	Correct	6 ms	4524 KB	Output is correct
6	Correct	7 ms	4524 KB	Output is correct
7	Correct	6 ms	4576 KB	Output is correct
8	Correct	6 ms	4576 KB	Output is correct
9	Correct	7 ms	4576 KB	Output is correct
10	Correct	6 ms	4624 KB	Output is correct
11	Correct	298 ms	8620 KB	Output is correct
12	Correct	310 ms	8620 KB	Output is correct
13	Correct	334 ms	8620 KB	Output is correct
14	Correct	343 ms	8620 KB	Output is correct
15	Correct	315 ms	8664 KB	Output is correct
16	Correct	357 ms	8664 KB	Output is correct
17	Correct	409 ms	8664 KB	Output is correct
18	Correct	267 ms	9588 KB	Output is correct
19	Correct	349 ms	9588 KB	Output is correct
20	Correct	330 ms	9588 KB	Output is correct
21	Correct	356 ms	9588 KB	Output is correct
22	Correct	385 ms	9588 KB	Output is correct
23	Correct	456 ms	9588 KB	Output is correct
24	Correct	512 ms	9588 KB	Output is correct
25	Correct	396 ms	9784 KB	Output is correct
26	Correct	468 ms	9784 KB	Output is correct
27	Correct	485 ms	9784 KB	Output is correct
28	Correct	268 ms	10712 KB	Output is correct
29	Correct	336 ms	10712 KB	Output is correct
30	Correct	362 ms	10712 KB	Output is correct
31	Correct	420 ms	10712 KB	Output is correct
32	Correct	462 ms	10712 KB	Output is correct
33	Correct	356 ms	10712 KB	Output is correct
34	Correct	431 ms	10712 KB	Output is correct
35	Correct	429 ms	10712 KB	Output is correct
36	Correct	293 ms	10712 KB	Output is correct
37	Correct	360 ms	10712 KB	Output is correct
38	Correct	406 ms	10712 KB	Output is correct
39	Correct	443 ms	10712 KB	Output is correct
40	Correct	475 ms	10712 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4472 KB	Output is correct
2	Correct	6 ms	4472 KB	Output is correct
3	Correct	6 ms	4508 KB	Output is correct
4	Correct	6 ms	4508 KB	Output is correct
5	Correct	6 ms	4524 KB	Output is correct
6	Correct	7 ms	4524 KB	Output is correct
7	Correct	6 ms	4576 KB	Output is correct
8	Correct	6 ms	4576 KB	Output is correct
9	Correct	7 ms	4576 KB	Output is correct
10	Correct	6 ms	4624 KB	Output is correct
11	Correct	78 ms	14124 KB	Output is correct
12	Correct	83 ms	14224 KB	Output is correct
13	Correct	96 ms	14224 KB	Output is correct
14	Correct	117 ms	14224 KB	Output is correct
15	Correct	85 ms	14252 KB	Output is correct
16	Correct	131 ms	14252 KB	Output is correct
17	Correct	110 ms	14252 KB	Output is correct
18	Correct	83 ms	14380 KB	Output is correct
19	Correct	80 ms	14380 KB	Output is correct
20	Correct	90 ms	14380 KB	Output is correct
21	Correct	88 ms	14380 KB	Output is correct
22	Correct	147 ms	14380 KB	Output is correct
23	Correct	80 ms	14380 KB	Output is correct
24	Correct	104 ms	14380 KB	Output is correct
25	Correct	107 ms	14380 KB	Output is correct
26	Correct	67 ms	14380 KB	Output is correct
27	Correct	82 ms	14380 KB	Output is correct
28	Correct	80 ms	14380 KB	Output is correct
29	Correct	108 ms	14380 KB	Output is correct
30	Correct	97 ms	14380 KB	Output is correct
31	Correct	94 ms	14380 KB	Output is correct
32	Correct	120 ms	14380 KB	Output is correct
33	Correct	97 ms	14380 KB	Output is correct
34	Correct	79 ms	14380 KB	Output is correct
35	Correct	109 ms	14380 KB	Output is correct
36	Correct	91 ms	14380 KB	Output is correct
37	Correct	90 ms	14380 KB	Output is correct
38	Correct	102 ms	14380 KB	Output is correct
39	Correct	93 ms	14380 KB	Output is correct
40	Correct	114 ms	14380 KB	Output is correct

Subtask #5
0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	4472 KB	Output is correct
2	Correct	6 ms	4472 KB	Output is correct
3	Correct	6 ms	4508 KB	Output is correct
4	Correct	6 ms	4508 KB	Output is correct
5	Correct	6 ms	4524 KB	Output is correct
6	Correct	7 ms	4524 KB	Output is correct
7	Correct	6 ms	4576 KB	Output is correct
8	Correct	6 ms	4576 KB	Output is correct
9	Correct	7 ms	4576 KB	Output is correct
10	Correct	6 ms	4624 KB	Output is correct
11	Correct	298 ms	8620 KB	Output is correct
12	Correct	310 ms	8620 KB	Output is correct
13	Correct	334 ms	8620 KB	Output is correct
14	Correct	343 ms	8620 KB	Output is correct
15	Correct	315 ms	8664 KB	Output is correct
16	Correct	357 ms	8664 KB	Output is correct
17	Correct	409 ms	8664 KB	Output is correct
18	Correct	267 ms	9588 KB	Output is correct
19	Correct	349 ms	9588 KB	Output is correct
20	Correct	330 ms	9588 KB	Output is correct
21	Correct	356 ms	9588 KB	Output is correct
22	Correct	385 ms	9588 KB	Output is correct
23	Correct	456 ms	9588 KB	Output is correct
24	Correct	512 ms	9588 KB	Output is correct
25	Correct	396 ms	9784 KB	Output is correct
26	Correct	468 ms	9784 KB	Output is correct
27	Correct	485 ms	9784 KB	Output is correct
28	Correct	268 ms	10712 KB	Output is correct
29	Correct	336 ms	10712 KB	Output is correct
30	Correct	362 ms	10712 KB	Output is correct
31	Correct	420 ms	10712 KB	Output is correct
32	Correct	462 ms	10712 KB	Output is correct
33	Correct	356 ms	10712 KB	Output is correct
34	Correct	431 ms	10712 KB	Output is correct
35	Correct	429 ms	10712 KB	Output is correct
36	Correct	293 ms	10712 KB	Output is correct
37	Correct	360 ms	10712 KB	Output is correct
38	Correct	406 ms	10712 KB	Output is correct
39	Correct	443 ms	10712 KB	Output is correct
40	Correct	475 ms	10712 KB	Output is correct
41	Correct	78 ms	14124 KB	Output is correct
42	Correct	83 ms	14224 KB	Output is correct
43	Correct	96 ms	14224 KB	Output is correct
44	Correct	117 ms	14224 KB	Output is correct
45	Correct	85 ms	14252 KB	Output is correct
46	Correct	131 ms	14252 KB	Output is correct
47	Correct	110 ms	14252 KB	Output is correct
48	Correct	83 ms	14380 KB	Output is correct
49	Correct	80 ms	14380 KB	Output is correct
50	Correct	90 ms	14380 KB	Output is correct
51	Correct	88 ms	14380 KB	Output is correct
52	Correct	147 ms	14380 KB	Output is correct
53	Correct	80 ms	14380 KB	Output is correct
54	Correct	104 ms	14380 KB	Output is correct
55	Correct	107 ms	14380 KB	Output is correct
56	Correct	67 ms	14380 KB	Output is correct
57	Correct	82 ms	14380 KB	Output is correct
58	Correct	80 ms	14380 KB	Output is correct
59	Correct	108 ms	14380 KB	Output is correct
60	Correct	97 ms	14380 KB	Output is correct
61	Correct	94 ms	14380 KB	Output is correct
62	Correct	120 ms	14380 KB	Output is correct
63	Correct	97 ms	14380 KB	Output is correct
64	Correct	79 ms	14380 KB	Output is correct
65	Correct	109 ms	14380 KB	Output is correct
66	Correct	91 ms	14380 KB	Output is correct
67	Correct	90 ms	14380 KB	Output is correct
68	Correct	102 ms	14380 KB	Output is correct
69	Correct	93 ms	14380 KB	Output is correct
70	Correct	114 ms	14380 KB	Output is correct
71	Correct	703 ms	19044 KB	Output is correct
72	Correct	744 ms	35396 KB	Output is correct
73	Correct	987 ms	35396 KB	Output is correct
74	Correct	1123 ms	35396 KB	Output is correct
75	Correct	674 ms	58148 KB	Output is correct
76	Runtime error	1413 ms	66560 KB	Memory limit exceeded: We have a known bug that the memory usage is measured incorrectly (possibly because of Meltdown/Spectre patch), so your solution may be correct. Please submit again. Sorry for the inconvenience.
77	Halted	0 ms	0 KB	-

답안 #58956

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