답안 #55391 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
55391	2018-07-07T06:40:13 Z	김세빈(#1545)	Sandwich (JOI16_sandwich)	C++11	100 / 100	2540 ms	15056 KB

sandwich

#include <bits/stdc++.h>

using namespace std;

char str[444][444];
bool chk[444][444][2], res[444][444][2];
int K[444];
int n, m, k;

void run(int i, int j, int d)
{
	if(chk[i][j][!d]) k = 1e9;
	else if(chk[i][j][d]){
		if(!res[i][j][d]) k = 1e9;
		return;
	}
	
	if(k >= 1e9) return;
	
	chk[i][j][d] = 1;
	k += 2;
	
	if(str[i][j] == 'N'){
		if(d == 0){
			if(j) run(i, j-1, 0);
			if(i+1 < n) run(i+1, j, str[i+1][j] == 'Z');
		}
		else{
			if(j+1 < m) run(i, j+1, 1);
			if(i) run(i-1, j, str[i-1][j] == 'N');
		}
	}
	else{
		if(d == 0){
			if(j) run(i, j-1, 0);
			if(i) run(i-1, j, str[i-1][j] == 'N');
		}
		else{
			if(j+1 < m) run(i, j+1, 1);
			if(i+1 < n) run(i+1, j, str[i+1][j] == 'Z'); 
		}
	}
	
	res[i][j][d] = 1;
}

int main()
{
	int i, j;
	
	scanf("%d%d", &n, &m);
	
	for(i=0;i<n;i++){
		scanf("%s", str[i]);
	}
	
	for(i=0;i<n;i++){
		for(j=k=0;j<n*m;j++){
			chk[j/m][j%m][0] = chk[j/m][j%m][1] = 0;
			res[j/m][j%m][0] = res[j/m][j%m][1] = 0;
		}
		for(j=0;j<m;j++){
			if(k < 1e9 && !chk[i][j][0]) run(i, j, 0);
			K[j] = k;
		}
		
		for(j=k=0;j<n*m;j++){
			chk[j/m][j%m][0] = chk[j/m][j%m][1] = 0;
			res[j/m][j%m][0] = res[j/m][j%m][1] = 0;
		}
		for(j=m-1;j>=0;j--){
			if(k < 1e9 && !chk[i][j][1]) run(i, j, 1);
			K[j] = min(k, K[j]);
		}
		
		for(j=0;j<m;j++){
			printf("%d ", K[j] < 1e9? K[j] : -1);
		}
		printf("\n");
	}
	
	return 0;
}

Compilation message

sandwich.cpp: In function 'int main()':
sandwich.cpp:51:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
sandwich.cpp:54:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s", str[i]);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	464 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	4 ms	572 KB	Output is correct
7	Correct	5 ms	624 KB	Output is correct
8	Correct	6 ms	716 KB	Output is correct
9	Correct	5 ms	732 KB	Output is correct
10	Correct	5 ms	792 KB	Output is correct
11	Correct	6 ms	792 KB	Output is correct
12	Correct	5 ms	792 KB	Output is correct
13	Correct	7 ms	828 KB	Output is correct
14	Correct	7 ms	828 KB	Output is correct
15	Correct	7 ms	828 KB	Output is correct
16	Correct	6 ms	828 KB	Output is correct
17	Correct	5 ms	828 KB	Output is correct
18	Correct	6 ms	828 KB	Output is correct
19	Correct	6 ms	828 KB	Output is correct
20	Correct	6 ms	828 KB	Output is correct
21	Correct	6 ms	828 KB	Output is correct
22	Correct	7 ms	828 KB	Output is correct
23	Correct	7 ms	864 KB	Output is correct
24	Correct	8 ms	900 KB	Output is correct
25	Correct	9 ms	904 KB	Output is correct
26	Correct	7 ms	1028 KB	Output is correct
27	Correct	7 ms	1028 KB	Output is correct
28	Correct	6 ms	1028 KB	Output is correct

Subtask #2
65.0 / 65.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	464 KB	Output is correct
3	Correct	3 ms	564 KB	Output is correct
4	Correct	2 ms	572 KB	Output is correct
5	Correct	3 ms	572 KB	Output is correct
6	Correct	4 ms	572 KB	Output is correct
7	Correct	5 ms	624 KB	Output is correct
8	Correct	6 ms	716 KB	Output is correct
9	Correct	5 ms	732 KB	Output is correct
10	Correct	5 ms	792 KB	Output is correct
11	Correct	6 ms	792 KB	Output is correct
12	Correct	5 ms	792 KB	Output is correct
13	Correct	7 ms	828 KB	Output is correct
14	Correct	7 ms	828 KB	Output is correct
15	Correct	7 ms	828 KB	Output is correct
16	Correct	6 ms	828 KB	Output is correct
17	Correct	5 ms	828 KB	Output is correct
18	Correct	6 ms	828 KB	Output is correct
19	Correct	6 ms	828 KB	Output is correct
20	Correct	6 ms	828 KB	Output is correct
21	Correct	6 ms	828 KB	Output is correct
22	Correct	7 ms	828 KB	Output is correct
23	Correct	7 ms	864 KB	Output is correct
24	Correct	8 ms	900 KB	Output is correct
25	Correct	9 ms	904 KB	Output is correct
26	Correct	7 ms	1028 KB	Output is correct
27	Correct	7 ms	1028 KB	Output is correct
28	Correct	6 ms	1028 KB	Output is correct
29	Correct	3 ms	1028 KB	Output is correct
30	Correct	8 ms	1724 KB	Output is correct
31	Correct	871 ms	2624 KB	Output is correct
32	Correct	780 ms	2808 KB	Output is correct
33	Correct	236 ms	2808 KB	Output is correct
34	Correct	2204 ms	3320 KB	Output is correct
35	Correct	1218 ms	3320 KB	Output is correct
36	Correct	36 ms	3320 KB	Output is correct
37	Correct	2058 ms	3584 KB	Output is correct
38	Correct	1515 ms	3740 KB	Output is correct
39	Correct	2007 ms	3740 KB	Output is correct
40	Correct	2540 ms	4256 KB	Output is correct
41	Correct	888 ms	4256 KB	Output is correct
42	Correct	2182 ms	4536 KB	Output is correct
43	Correct	2376 ms	4740 KB	Output is correct
44	Correct	2184 ms	4884 KB	Output is correct
45	Correct	2293 ms	4884 KB	Output is correct
46	Correct	1534 ms	5036 KB	Output is correct
47	Correct	1576 ms	5036 KB	Output is correct
48	Correct	1082 ms	5036 KB	Output is correct
49	Correct	1478 ms	5316 KB	Output is correct
50	Correct	1620 ms	5468 KB	Output is correct
51	Correct	1376 ms	5648 KB	Output is correct
52	Correct	1621 ms	5808 KB	Output is correct
53	Correct	1625 ms	5912 KB	Output is correct
54	Correct	1555 ms	6060 KB	Output is correct
55	Correct	1537 ms	6424 KB	Output is correct
56	Correct	1490 ms	6520 KB	Output is correct
57	Correct	1282 ms	6520 KB	Output is correct
58	Correct	2324 ms	7128 KB	Output is correct
59	Correct	2300 ms	7128 KB	Output is correct
60	Correct	1426 ms	7128 KB	Output is correct
61	Correct	2215 ms	7344 KB	Output is correct
62	Correct	2068 ms	14808 KB	Output is correct
63	Correct	2097 ms	15056 KB	Output is correct

답안 #55391

Compilation message

Subtask #1 35.0 / 35.0

Subtask #2 65.0 / 65.0

Subtask #1
35.0 / 35.0

Subtask #2
65.0 / 65.0