답안 #41149 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
41149	2018-02-13T06:28:26 Z	kriii	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1012 ms	21820 KB

snake_escaping

#include <stdio.h>
#include <algorithm>
using namespace std;

int L,Q;
char sc[1<<20+2]; int bc[1<<20];
int Z[1<<20],O[1<<20];
 
void go(int l, int r)
{
	if (l+1 == r) return;
 
	int m = (l + r) / 2;
	go(l,m);
	go(m,r);
	for (int i=l;i<m;i++){
		Z[i-l+m] += Z[i];
		O[i] += O[i-l+m];
	}
}
 
int main()
{
	scanf ("%d %d",&L,&Q);
	scanf ("%s",sc);
 
	for (int i=0;i<(1<<L);i++){
		if (i) bc[i] = bc[i-(i&(-i))] + 1;
		Z[i] = O[i] = sc[i] - '0';
	}
	go(0,(1<<L));
 
	while (Q--){
		char q[22]; scanf ("%s",q);
		int z = 0, o = 0, f = 0;
		for (int i=0;i<L;i++){
			if (q[i] == '0') z |= 1 << (L - i - 1);
			if (q[i] == '1') o |= 1 << (L - i - 1);
			if (q[i] == '?') f |= 1 << (L - i - 1);
		}
		int m = min({bc[z],bc[o],bc[f]});
		int ans = 0;
		if (bc[f] == m){
			for (int x=f;;x=(x-1)&f){
				ans += sc[x|o] - '0';
				if (!x) break;
			}
		}
		else if (bc[o] == m){
			for (int x=o;;x=(x-1)&o){
				int b = f + x;
				if (bc[o] % 2 != bc[x] % 2) ans -= Z[b];
				else ans += Z[b];
				if (!x) break;
			}
		}
		else{
			for (int x=z;;x=(x-1)&z){
				int b = o + z - x;
				if (bc[z] % 2 != bc[x] % 2) ans -= O[b];
				else ans += O[b];
				if (!x) break;
			}
		}
		printf ("%d\n",ans);
	}
	return 0;
}

Compilation message

snake_escaping.cpp:6:10: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
 char sc[1<<20+2]; int bc[1<<20];
          ^
snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:24:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d %d",&L,&Q);
                       ^
snake_escaping.cpp:25:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%s",sc);
                 ^
snake_escaping.cpp:34:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   char q[22]; scanf ("%s",q);
                             ^

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	480 KB	Output is correct
3	Correct	2 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	560 KB	Output is correct
8	Correct	1 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	480 KB	Output is correct
3	Correct	2 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	560 KB	Output is correct
8	Correct	1 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	295 ms	4588 KB	Output is correct
12	Correct	296 ms	4588 KB	Output is correct
13	Correct	351 ms	4588 KB	Output is correct
14	Correct	297 ms	4588 KB	Output is correct
15	Correct	371 ms	4588 KB	Output is correct
16	Correct	321 ms	4588 KB	Output is correct
17	Correct	326 ms	4588 KB	Output is correct
18	Correct	223 ms	5532 KB	Output is correct
19	Correct	252 ms	5532 KB	Output is correct
20	Correct	289 ms	5532 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	480 KB	Output is correct
3	Correct	2 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	560 KB	Output is correct
8	Correct	1 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	295 ms	4588 KB	Output is correct
12	Correct	296 ms	4588 KB	Output is correct
13	Correct	351 ms	4588 KB	Output is correct
14	Correct	297 ms	4588 KB	Output is correct
15	Correct	371 ms	4588 KB	Output is correct
16	Correct	321 ms	4588 KB	Output is correct
17	Correct	326 ms	4588 KB	Output is correct
18	Correct	223 ms	5532 KB	Output is correct
19	Correct	252 ms	5532 KB	Output is correct
20	Correct	289 ms	5532 KB	Output is correct
21	Correct	321 ms	5532 KB	Output is correct
22	Correct	329 ms	5532 KB	Output is correct
23	Correct	400 ms	5532 KB	Output is correct
24	Correct	379 ms	5532 KB	Output is correct
25	Correct	354 ms	5664 KB	Output is correct
26	Correct	388 ms	5664 KB	Output is correct
27	Correct	431 ms	5664 KB	Output is correct
28	Correct	245 ms	6684 KB	Output is correct
29	Correct	309 ms	6684 KB	Output is correct
30	Correct	330 ms	6684 KB	Output is correct
31	Correct	392 ms	6684 KB	Output is correct
32	Correct	395 ms	6684 KB	Output is correct
33	Correct	355 ms	6684 KB	Output is correct
34	Correct	419 ms	6684 KB	Output is correct
35	Correct	421 ms	6684 KB	Output is correct
36	Correct	239 ms	6684 KB	Output is correct
37	Correct	334 ms	6684 KB	Output is correct
38	Correct	346 ms	6684 KB	Output is correct
39	Correct	418 ms	6684 KB	Output is correct
40	Correct	397 ms	6684 KB	Output is correct

Subtask #4
53.0 / 53.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	480 KB	Output is correct
3	Correct	2 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	560 KB	Output is correct
8	Correct	1 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	67 ms	14236 KB	Output is correct
12	Correct	71 ms	14236 KB	Output is correct
13	Correct	76 ms	14364 KB	Output is correct
14	Correct	76 ms	14364 KB	Output is correct
15	Correct	63 ms	14364 KB	Output is correct
16	Correct	79 ms	14364 KB	Output is correct
17	Correct	77 ms	14364 KB	Output is correct
18	Correct	53 ms	14364 KB	Output is correct
19	Correct	62 ms	14364 KB	Output is correct
20	Correct	66 ms	14364 KB	Output is correct
21	Correct	76 ms	14364 KB	Output is correct
22	Correct	77 ms	14364 KB	Output is correct
23	Correct	67 ms	14364 KB	Output is correct
24	Correct	77 ms	14364 KB	Output is correct
25	Correct	84 ms	14364 KB	Output is correct
26	Correct	51 ms	14364 KB	Output is correct
27	Correct	63 ms	14364 KB	Output is correct
28	Correct	67 ms	14364 KB	Output is correct
29	Correct	68 ms	14364 KB	Output is correct
30	Correct	71 ms	14364 KB	Output is correct
31	Correct	72 ms	14364 KB	Output is correct
32	Correct	101 ms	14364 KB	Output is correct
33	Correct	85 ms	14364 KB	Output is correct
34	Correct	54 ms	14364 KB	Output is correct
35	Correct	72 ms	14364 KB	Output is correct
36	Correct	85 ms	14364 KB	Output is correct
37	Correct	84 ms	14364 KB	Output is correct
38	Correct	75 ms	14364 KB	Output is correct
39	Correct	73 ms	14364 KB	Output is correct
40	Correct	75 ms	14364 KB	Output is correct

Subtask #5
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	248 KB	Output is correct
2	Correct	2 ms	480 KB	Output is correct
3	Correct	2 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	2 ms	560 KB	Output is correct
8	Correct	1 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	295 ms	4588 KB	Output is correct
12	Correct	296 ms	4588 KB	Output is correct
13	Correct	351 ms	4588 KB	Output is correct
14	Correct	297 ms	4588 KB	Output is correct
15	Correct	371 ms	4588 KB	Output is correct
16	Correct	321 ms	4588 KB	Output is correct
17	Correct	326 ms	4588 KB	Output is correct
18	Correct	223 ms	5532 KB	Output is correct
19	Correct	252 ms	5532 KB	Output is correct
20	Correct	289 ms	5532 KB	Output is correct
21	Correct	321 ms	5532 KB	Output is correct
22	Correct	329 ms	5532 KB	Output is correct
23	Correct	400 ms	5532 KB	Output is correct
24	Correct	379 ms	5532 KB	Output is correct
25	Correct	354 ms	5664 KB	Output is correct
26	Correct	388 ms	5664 KB	Output is correct
27	Correct	431 ms	5664 KB	Output is correct
28	Correct	245 ms	6684 KB	Output is correct
29	Correct	309 ms	6684 KB	Output is correct
30	Correct	330 ms	6684 KB	Output is correct
31	Correct	392 ms	6684 KB	Output is correct
32	Correct	395 ms	6684 KB	Output is correct
33	Correct	355 ms	6684 KB	Output is correct
34	Correct	419 ms	6684 KB	Output is correct
35	Correct	421 ms	6684 KB	Output is correct
36	Correct	239 ms	6684 KB	Output is correct
37	Correct	334 ms	6684 KB	Output is correct
38	Correct	346 ms	6684 KB	Output is correct
39	Correct	418 ms	6684 KB	Output is correct
40	Correct	397 ms	6684 KB	Output is correct
41	Correct	67 ms	14236 KB	Output is correct
42	Correct	71 ms	14236 KB	Output is correct
43	Correct	76 ms	14364 KB	Output is correct
44	Correct	76 ms	14364 KB	Output is correct
45	Correct	63 ms	14364 KB	Output is correct
46	Correct	79 ms	14364 KB	Output is correct
47	Correct	77 ms	14364 KB	Output is correct
48	Correct	53 ms	14364 KB	Output is correct
49	Correct	62 ms	14364 KB	Output is correct
50	Correct	66 ms	14364 KB	Output is correct
51	Correct	76 ms	14364 KB	Output is correct
52	Correct	77 ms	14364 KB	Output is correct
53	Correct	67 ms	14364 KB	Output is correct
54	Correct	77 ms	14364 KB	Output is correct
55	Correct	84 ms	14364 KB	Output is correct
56	Correct	51 ms	14364 KB	Output is correct
57	Correct	63 ms	14364 KB	Output is correct
58	Correct	67 ms	14364 KB	Output is correct
59	Correct	68 ms	14364 KB	Output is correct
60	Correct	71 ms	14364 KB	Output is correct
61	Correct	72 ms	14364 KB	Output is correct
62	Correct	101 ms	14364 KB	Output is correct
63	Correct	85 ms	14364 KB	Output is correct
64	Correct	54 ms	14364 KB	Output is correct
65	Correct	72 ms	14364 KB	Output is correct
66	Correct	85 ms	14364 KB	Output is correct
67	Correct	84 ms	14364 KB	Output is correct
68	Correct	75 ms	14364 KB	Output is correct
69	Correct	73 ms	14364 KB	Output is correct
70	Correct	75 ms	14364 KB	Output is correct
71	Correct	607 ms	18812 KB	Output is correct
72	Correct	617 ms	19064 KB	Output is correct
73	Correct	715 ms	19064 KB	Output is correct
74	Correct	886 ms	19064 KB	Output is correct
75	Correct	563 ms	19780 KB	Output is correct
76	Correct	1012 ms	19780 KB	Output is correct
77	Correct	881 ms	19780 KB	Output is correct
78	Correct	370 ms	21820 KB	Output is correct
79	Correct	527 ms	21820 KB	Output is correct
80	Correct	585 ms	21820 KB	Output is correct
81	Correct	737 ms	21820 KB	Output is correct
82	Correct	836 ms	21820 KB	Output is correct
83	Correct	532 ms	21820 KB	Output is correct
84	Correct	832 ms	21820 KB	Output is correct
85	Correct	923 ms	21820 KB	Output is correct
86	Correct	473 ms	21820 KB	Output is correct
87	Correct	554 ms	21820 KB	Output is correct
88	Correct	576 ms	21820 KB	Output is correct
89	Correct	679 ms	21820 KB	Output is correct
90	Correct	685 ms	21820 KB	Output is correct
91	Correct	534 ms	21820 KB	Output is correct
92	Correct	928 ms	21820 KB	Output is correct
93	Correct	931 ms	21820 KB	Output is correct
94	Correct	347 ms	21820 KB	Output is correct
95	Correct	798 ms	21820 KB	Output is correct
96	Correct	787 ms	21820 KB	Output is correct
97	Correct	839 ms	21820 KB	Output is correct
98	Correct	811 ms	21820 KB	Output is correct
99	Correct	742 ms	21820 KB	Output is correct
100	Correct	792 ms	21820 KB	Output is correct

답안 #41149

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 25.0 / 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
25.0 / 25.0