| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 258107 |
2020-08-05T11:18:06 Z |
sjimed |
Sandwich (JOI16_sandwich) |
C++14 |
|
5237 ms |
10772 KB |
#include<bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(false); cin.tie(NULL)
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define em emplace
#define all(v) (v).begin(), (v).end()
#define pre(a) cout<<fixed; cout.precision(a)
#define mp make_pair
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int inf = 1e9;
const ll INF = 1e18;
int n, m;
string s[444];
int chk[444][444];
int ans[444][444];
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};
int t[2][2][2] = {
1, 2,
0, 3,
2, 3,
0, 1
};
int dir[2][4] = {
1, 0, 0, 1,
1, 1, 0, 0
};
int dfs(int x, int y, int d) {
if(chk[x][y] == 1) return inf;
if(chk[x][y] == 2) return 0;
//cout << x << "!!! " << y << " " << d << endl;
chk[x][y]=1;
int ret = 2;
for(int i=0; i<2; i++) {
int nx = x + dx[t[s[x][y]][d][i]];
int ny = y + dy[t[s[x][y]][d][i]];
if(nx < 0 || nx >= n || ny < 0 || ny >= m) continue;
ret += dfs(nx, ny, dir[s[nx][ny]][t[s[x][y]][d][i]]);
ret = min(inf, ret);
}
chk[x][y]=2;
return ret;
}
int main() {
fast;
cin >> n >> m;
for(int i=0; i<n; i++) {
cin >> s[i];
for(int j=0; j<m; j++) {
if(s[i][j] == 'N') s[i][j] = 0;
else s[i][j] = 1;
ans[i][j] = inf;
}
}
for(int j=0; j<m; j++) {
memset(chk, 0, sizeof(chk));
int sum = 0;
for(int i=0; i<n; i++) {
sum += dfs(i, j, 0);
sum = min(sum, inf);
ans[i][j] = min(ans[i][j], sum);
}
memset(chk, 0, sizeof(chk));
sum = 0;
for(int i=n-1; i>=0; i--) {
sum += dfs(i, j, 1);
sum = min(sum, inf);
ans[i][j] = min(ans[i][j], sum);
}
}
for(int i=0; i<n; i++) {
for(int j=0; j<m; j++) {
if(ans[i][j] >= inf) cout << "-1 ";
else cout << ans[i][j] << " ";
}
cout << "\n";
}
}
Compilation message
sandwich.cpp: In function 'int dfs(int, int, int)':
sandwich.cpp:52:28: warning: array subscript has type 'char' [-Wchar-subscripts]
int nx = x + dx[t[s[x][y]][d][i]];
^
sandwich.cpp:53:28: warning: array subscript has type 'char' [-Wchar-subscripts]
int ny = y + dy[t[s[x][y]][d][i]];
^
sandwich.cpp:57:35: warning: array subscript has type 'char' [-Wchar-subscripts]
ret += dfs(nx, ny, dir[s[nx][ny]][t[s[x][y]][d][i]]);
^
sandwich.cpp:57:46: warning: array subscript has type 'char' [-Wchar-subscripts]
ret += dfs(nx, ny, dir[s[nx][ny]][t[s[x][y]][d][i]]);
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 2 |
Correct |
3 ms |
1152 KB |
Output is correct |
| 3 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 6 |
Correct |
12 ms |
1408 KB |
Output is correct |
| 7 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 8 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 9 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 10 |
Correct |
11 ms |
1280 KB |
Output is correct |
| 11 |
Correct |
8 ms |
1408 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1152 KB |
Output is correct |
| 13 |
Correct |
7 ms |
1280 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 15 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1280 KB |
Output is correct |
| 17 |
Correct |
5 ms |
1280 KB |
Output is correct |
| 18 |
Correct |
11 ms |
1280 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 20 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 21 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 22 |
Correct |
5 ms |
1280 KB |
Output is correct |
| 23 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 24 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 25 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 26 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 27 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 28 |
Correct |
9 ms |
1280 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 2 |
Correct |
3 ms |
1152 KB |
Output is correct |
| 3 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 4 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 5 |
Correct |
1 ms |
1152 KB |
Output is correct |
| 6 |
Correct |
12 ms |
1408 KB |
Output is correct |
| 7 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 8 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 9 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 10 |
Correct |
11 ms |
1280 KB |
Output is correct |
| 11 |
Correct |
8 ms |
1408 KB |
Output is correct |
| 12 |
Correct |
5 ms |
1152 KB |
Output is correct |
| 13 |
Correct |
7 ms |
1280 KB |
Output is correct |
| 14 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 15 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1280 KB |
Output is correct |
| 17 |
Correct |
5 ms |
1280 KB |
Output is correct |
| 18 |
Correct |
11 ms |
1280 KB |
Output is correct |
| 19 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 20 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 21 |
Correct |
6 ms |
1280 KB |
Output is correct |
| 22 |
Correct |
5 ms |
1280 KB |
Output is correct |
| 23 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 24 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 25 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 26 |
Correct |
8 ms |
1280 KB |
Output is correct |
| 27 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 28 |
Correct |
9 ms |
1280 KB |
Output is correct |
| 29 |
Correct |
23 ms |
1152 KB |
Output is correct |
| 30 |
Correct |
1 ms |
1792 KB |
Output is correct |
| 31 |
Correct |
5237 ms |
10772 KB |
Output is correct |
| 32 |
Correct |
5090 ms |
10296 KB |
Output is correct |
| 33 |
Correct |
358 ms |
3960 KB |
Output is correct |
| 34 |
Correct |
1570 ms |
2960 KB |
Output is correct |
| 35 |
Correct |
1436 ms |
2552 KB |
Output is correct |
| 36 |
Correct |
3 ms |
1792 KB |
Output is correct |
| 37 |
Correct |
1986 ms |
3064 KB |
Output is correct |
| 38 |
Correct |
1859 ms |
3064 KB |
Output is correct |
| 39 |
Correct |
1899 ms |
3064 KB |
Output is correct |
| 40 |
Correct |
2102 ms |
3192 KB |
Output is correct |
| 41 |
Correct |
1465 ms |
2552 KB |
Output is correct |
| 42 |
Correct |
2290 ms |
3448 KB |
Output is correct |
| 43 |
Correct |
2235 ms |
3616 KB |
Output is correct |
| 44 |
Correct |
2179 ms |
3704 KB |
Output is correct |
| 45 |
Correct |
1456 ms |
2956 KB |
Output is correct |
| 46 |
Correct |
1066 ms |
2956 KB |
Output is correct |
| 47 |
Correct |
1192 ms |
3064 KB |
Output is correct |
| 48 |
Correct |
636 ms |
2636 KB |
Output is correct |
| 49 |
Correct |
971 ms |
3064 KB |
Output is correct |
| 50 |
Correct |
1200 ms |
3064 KB |
Output is correct |
| 51 |
Correct |
983 ms |
3064 KB |
Output is correct |
| 52 |
Correct |
1152 ms |
3064 KB |
Output is correct |
| 53 |
Correct |
1018 ms |
3064 KB |
Output is correct |
| 54 |
Correct |
978 ms |
2936 KB |
Output is correct |
| 55 |
Correct |
1004 ms |
3064 KB |
Output is correct |
| 56 |
Correct |
1035 ms |
2936 KB |
Output is correct |
| 57 |
Correct |
741 ms |
2684 KB |
Output is correct |
| 58 |
Correct |
2533 ms |
4236 KB |
Output is correct |
| 59 |
Correct |
2445 ms |
3712 KB |
Output is correct |
| 60 |
Correct |
1643 ms |
3576 KB |
Output is correct |
| 61 |
Correct |
2761 ms |
3232 KB |
Output is correct |
| 62 |
Correct |
3055 ms |
3116 KB |
Output is correct |
| 63 |
Correct |
3036 ms |
3144 KB |
Output is correct |
