답안 #58960

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
58960 2018-07-19T21:34:56 Z TadijaSebez Snake Escaping (JOI18_snake_escaping) C++11
75 / 100
1524 ms 66560 KB
#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);
   ~~~~~^~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4472 KB Output is correct
2 Correct 8 ms 4592 KB Output is correct
3 Correct 7 ms 4592 KB Output is correct
4 Correct 7 ms 4672 KB Output is correct
5 Correct 8 ms 4672 KB Output is correct
6 Correct 7 ms 4672 KB Output is correct
7 Correct 7 ms 4676 KB Output is correct
8 Correct 7 ms 4736 KB Output is correct
9 Correct 6 ms 4748 KB Output is correct
10 Correct 7 ms 4808 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4472 KB Output is correct
2 Correct 8 ms 4592 KB Output is correct
3 Correct 7 ms 4592 KB Output is correct
4 Correct 7 ms 4672 KB Output is correct
5 Correct 8 ms 4672 KB Output is correct
6 Correct 7 ms 4672 KB Output is correct
7 Correct 7 ms 4676 KB Output is correct
8 Correct 7 ms 4736 KB Output is correct
9 Correct 6 ms 4748 KB Output is correct
10 Correct 7 ms 4808 KB Output is correct
11 Correct 306 ms 9168 KB Output is correct
12 Correct 300 ms 9168 KB Output is correct
13 Correct 364 ms 9168 KB Output is correct
14 Correct 314 ms 9168 KB Output is correct
15 Correct 293 ms 9412 KB Output is correct
16 Correct 421 ms 9412 KB Output is correct
17 Correct 465 ms 9412 KB Output is correct
18 Correct 238 ms 10436 KB Output is correct
19 Correct 334 ms 10436 KB Output is correct
20 Correct 344 ms 10436 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4472 KB Output is correct
2 Correct 8 ms 4592 KB Output is correct
3 Correct 7 ms 4592 KB Output is correct
4 Correct 7 ms 4672 KB Output is correct
5 Correct 8 ms 4672 KB Output is correct
6 Correct 7 ms 4672 KB Output is correct
7 Correct 7 ms 4676 KB Output is correct
8 Correct 7 ms 4736 KB Output is correct
9 Correct 6 ms 4748 KB Output is correct
10 Correct 7 ms 4808 KB Output is correct
11 Correct 306 ms 9168 KB Output is correct
12 Correct 300 ms 9168 KB Output is correct
13 Correct 364 ms 9168 KB Output is correct
14 Correct 314 ms 9168 KB Output is correct
15 Correct 293 ms 9412 KB Output is correct
16 Correct 421 ms 9412 KB Output is correct
17 Correct 465 ms 9412 KB Output is correct
18 Correct 238 ms 10436 KB Output is correct
19 Correct 334 ms 10436 KB Output is correct
20 Correct 344 ms 10436 KB Output is correct
21 Correct 367 ms 10436 KB Output is correct
22 Correct 383 ms 10436 KB Output is correct
23 Correct 384 ms 10436 KB Output is correct
24 Correct 410 ms 10436 KB Output is correct
25 Correct 396 ms 10916 KB Output is correct
26 Correct 435 ms 10916 KB Output is correct
27 Correct 535 ms 10916 KB Output is correct
28 Correct 288 ms 11760 KB Output is correct
29 Correct 435 ms 11760 KB Output is correct
30 Correct 423 ms 11760 KB Output is correct
31 Correct 430 ms 11760 KB Output is correct
32 Correct 454 ms 11760 KB Output is correct
33 Correct 433 ms 11760 KB Output is correct
34 Correct 479 ms 11760 KB Output is correct
35 Correct 512 ms 11760 KB Output is correct
36 Correct 310 ms 11760 KB Output is correct
37 Correct 357 ms 11760 KB Output is correct
38 Correct 403 ms 11760 KB Output is correct
39 Correct 556 ms 11760 KB Output is correct
40 Correct 472 ms 11760 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4472 KB Output is correct
2 Correct 8 ms 4592 KB Output is correct
3 Correct 7 ms 4592 KB Output is correct
4 Correct 7 ms 4672 KB Output is correct
5 Correct 8 ms 4672 KB Output is correct
6 Correct 7 ms 4672 KB Output is correct
7 Correct 7 ms 4676 KB Output is correct
8 Correct 7 ms 4736 KB Output is correct
9 Correct 6 ms 4748 KB Output is correct
10 Correct 7 ms 4808 KB Output is correct
11 Correct 80 ms 16288 KB Output is correct
12 Correct 88 ms 16288 KB Output is correct
13 Correct 89 ms 16288 KB Output is correct
14 Correct 114 ms 16288 KB Output is correct
15 Correct 84 ms 16288 KB Output is correct
16 Correct 135 ms 16308 KB Output is correct
17 Correct 112 ms 16384 KB Output is correct
18 Correct 72 ms 16384 KB Output is correct
19 Correct 84 ms 16384 KB Output is correct
20 Correct 98 ms 16384 KB Output is correct
21 Correct 100 ms 16384 KB Output is correct
22 Correct 130 ms 16384 KB Output is correct
23 Correct 118 ms 16384 KB Output is correct
24 Correct 120 ms 16384 KB Output is correct
25 Correct 105 ms 16384 KB Output is correct
26 Correct 72 ms 16384 KB Output is correct
27 Correct 81 ms 16384 KB Output is correct
28 Correct 88 ms 16384 KB Output is correct
29 Correct 97 ms 16384 KB Output is correct
30 Correct 135 ms 16384 KB Output is correct
31 Correct 90 ms 16384 KB Output is correct
32 Correct 128 ms 16384 KB Output is correct
33 Correct 130 ms 16384 KB Output is correct
34 Correct 70 ms 16384 KB Output is correct
35 Correct 105 ms 16384 KB Output is correct
36 Correct 89 ms 16384 KB Output is correct
37 Correct 107 ms 16384 KB Output is correct
38 Correct 101 ms 16384 KB Output is correct
39 Correct 94 ms 16384 KB Output is correct
40 Correct 92 ms 16384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 4472 KB Output is correct
2 Correct 8 ms 4592 KB Output is correct
3 Correct 7 ms 4592 KB Output is correct
4 Correct 7 ms 4672 KB Output is correct
5 Correct 8 ms 4672 KB Output is correct
6 Correct 7 ms 4672 KB Output is correct
7 Correct 7 ms 4676 KB Output is correct
8 Correct 7 ms 4736 KB Output is correct
9 Correct 6 ms 4748 KB Output is correct
10 Correct 7 ms 4808 KB Output is correct
11 Correct 306 ms 9168 KB Output is correct
12 Correct 300 ms 9168 KB Output is correct
13 Correct 364 ms 9168 KB Output is correct
14 Correct 314 ms 9168 KB Output is correct
15 Correct 293 ms 9412 KB Output is correct
16 Correct 421 ms 9412 KB Output is correct
17 Correct 465 ms 9412 KB Output is correct
18 Correct 238 ms 10436 KB Output is correct
19 Correct 334 ms 10436 KB Output is correct
20 Correct 344 ms 10436 KB Output is correct
21 Correct 367 ms 10436 KB Output is correct
22 Correct 383 ms 10436 KB Output is correct
23 Correct 384 ms 10436 KB Output is correct
24 Correct 410 ms 10436 KB Output is correct
25 Correct 396 ms 10916 KB Output is correct
26 Correct 435 ms 10916 KB Output is correct
27 Correct 535 ms 10916 KB Output is correct
28 Correct 288 ms 11760 KB Output is correct
29 Correct 435 ms 11760 KB Output is correct
30 Correct 423 ms 11760 KB Output is correct
31 Correct 430 ms 11760 KB Output is correct
32 Correct 454 ms 11760 KB Output is correct
33 Correct 433 ms 11760 KB Output is correct
34 Correct 479 ms 11760 KB Output is correct
35 Correct 512 ms 11760 KB Output is correct
36 Correct 310 ms 11760 KB Output is correct
37 Correct 357 ms 11760 KB Output is correct
38 Correct 403 ms 11760 KB Output is correct
39 Correct 556 ms 11760 KB Output is correct
40 Correct 472 ms 11760 KB Output is correct
41 Correct 80 ms 16288 KB Output is correct
42 Correct 88 ms 16288 KB Output is correct
43 Correct 89 ms 16288 KB Output is correct
44 Correct 114 ms 16288 KB Output is correct
45 Correct 84 ms 16288 KB Output is correct
46 Correct 135 ms 16308 KB Output is correct
47 Correct 112 ms 16384 KB Output is correct
48 Correct 72 ms 16384 KB Output is correct
49 Correct 84 ms 16384 KB Output is correct
50 Correct 98 ms 16384 KB Output is correct
51 Correct 100 ms 16384 KB Output is correct
52 Correct 130 ms 16384 KB Output is correct
53 Correct 118 ms 16384 KB Output is correct
54 Correct 120 ms 16384 KB Output is correct
55 Correct 105 ms 16384 KB Output is correct
56 Correct 72 ms 16384 KB Output is correct
57 Correct 81 ms 16384 KB Output is correct
58 Correct 88 ms 16384 KB Output is correct
59 Correct 97 ms 16384 KB Output is correct
60 Correct 135 ms 16384 KB Output is correct
61 Correct 90 ms 16384 KB Output is correct
62 Correct 128 ms 16384 KB Output is correct
63 Correct 130 ms 16384 KB Output is correct
64 Correct 70 ms 16384 KB Output is correct
65 Correct 105 ms 16384 KB Output is correct
66 Correct 89 ms 16384 KB Output is correct
67 Correct 107 ms 16384 KB Output is correct
68 Correct 101 ms 16384 KB Output is correct
69 Correct 94 ms 16384 KB Output is correct
70 Correct 92 ms 16384 KB Output is correct
71 Correct 645 ms 20916 KB Output is correct
72 Correct 687 ms 21792 KB Output is correct
73 Correct 1012 ms 21792 KB Output is correct
74 Correct 1524 ms 21792 KB Output is correct
75 Correct 723 ms 23492 KB Output is correct
76 Correct 1424 ms 23492 KB Output is correct
77 Correct 1169 ms 23492 KB Output is correct
78 Correct 387 ms 25420 KB Output is correct
79 Correct 664 ms 25420 KB Output is correct
80 Correct 727 ms 25420 KB Output is correct
81 Correct 936 ms 44248 KB Output is correct
82 Correct 1301 ms 64932 KB Output is correct
83 Correct 699 ms 64932 KB Output is correct
84 Correct 1370 ms 64932 KB Output is correct
85 Runtime error 1295 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.
86 Halted 0 ms 0 KB -