// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h>
using namespace std;
#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;
#ifndef DEBUG
#define cerr if (0) cerr
#endif
const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 200005;
const int MAXR = 805;
const int diri[] = {-1, 0, 1, 0}, dirj[] = {0, 1, 0, -1};
int key[500];
int n, r, c;
string s;
int a[MAXN];
int g[MAXR][MAXR];
int gap[1 << 4];
bool vis[MAXR][MAXR];
int st[MAXR][MAXR];
int ans, ansc;
int main() {
#ifndef DEBUG
ios::sync_with_stdio(0), cin.tie(0);
#endif
key['N'] = 0, key['E'] = 1, key['S'] = 2, key['W'] = 3;
cin >> n >> r >> c;
cin >> s;
REP (i, 1, r + 1) {
REP (j, 1, c + 1) {
cin >> g[i][j];
}
}
REP (i, 0, n) {
a[i] = key[s[i]];
}
REP (i, n, 2 * n) {
a[i] = a[i - n];
}
REP (msk, 0, 1 << 4) {
REP (l, 0, n) {
int r = l;
while (r - l < n && (msk >> a[r] & 1)) {
r++;
}
if (r - l == n) {
gap[msk] = INF;
break;
}
mxto(gap[msk], r - l);
l = r;
}
cerr << msk << ": " << gap[msk] << '\n';
}
ans = INF;
REP (i, 1, r + 1) {
REP (j, 1, c + 1) {
if (g[i][j] == 0) {
continue;
}
if (r <= 50 && c <= 50) {
memset(vis, 0, sizeof vis);
memset(st, 0, sizeof st);
}
vis[i][j] = 1;
queue<ii> qu;
qu.push({i, j});
int cnt = 0;
while (!qu.empty()) {
auto [ui, uj] = qu.front(); qu.pop();
cnt++;
if (r > 50 && c > 50 && cnt > 1) {
break;
}
REP (k, 0, 4) {
int vi = ui + diri[k], vj = uj + dirj[k];
if (g[vi][vj] == 0 || vis[vi][vj]) {
continue;
}
st[vi][vj] |= 1 << (k ^ 2);
if (g[vi][vj] <= gap[st[vi][vj]]) {
vis[vi][vj] = 1;
qu.push({vi, vj});
}
}
}
if (mnto(ans, cnt)) {
ansc = 0;
}
if (ans == cnt) {
ansc++;
}
vis[i][j] = st[i][j] = 0;
REP (k, 0, 4) {
int vi = i + diri[k], vj = j + dirj[k];
vis[vi][vj] = st[vi][vj] = 0;
}
}
}
cout << ans << '\n' << ansc << '\n';
return 0;
}
Compilation message
virus.cpp: In function 'int main()':
virus.cpp:66:24: warning: array subscript has type 'char' [-Wchar-subscripts]
66 | a[i] = key[s[i]];
| ^
virus.cpp:124:34: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
124 | vis[i][j] = st[i][j] = 0;
| ~~~~~~~~~^~~
virus.cpp:127:42: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
127 | vis[vi][vj] = st[vi][vj] = 0;
| ~~~~~~~~~~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
28 ms |
4012 KB |
Output is correct |
| 2 |
Correct |
73 ms |
5924 KB |
Output is correct |
| 3 |
Correct |
73 ms |
5932 KB |
Output is correct |
| 4 |
Correct |
62 ms |
7244 KB |
Output is correct |
| 5 |
Correct |
69 ms |
9804 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5736 KB |
Output is correct |
| 7 |
Incorrect |
71 ms |
8224 KB |
Output isn't correct |
| 8 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
3412 KB |
Output is correct |
| 2 |
Correct |
9 ms |
4436 KB |
Output is correct |
| 3 |
Correct |
14 ms |
4532 KB |
Output is correct |
| 4 |
Correct |
8 ms |
4436 KB |
Output is correct |
| 5 |
Correct |
8 ms |
4436 KB |
Output is correct |
| 6 |
Correct |
238 ms |
4640 KB |
Output is correct |
| 7 |
Correct |
7 ms |
3540 KB |
Output is correct |
| 8 |
Correct |
13 ms |
4564 KB |
Output is correct |
| 9 |
Correct |
143 ms |
3640 KB |
Output is correct |
| 10 |
Correct |
8 ms |
4436 KB |
Output is correct |
| 11 |
Correct |
132 ms |
3540 KB |
Output is correct |
| 12 |
Correct |
288 ms |
3644 KB |
Output is correct |
| 13 |
Correct |
182 ms |
4684 KB |
Output is correct |
| 14 |
Correct |
177 ms |
4564 KB |
Output is correct |
| 15 |
Correct |
183 ms |
4816 KB |
Output is correct |
| 16 |
Correct |
187 ms |
4636 KB |
Output is correct |
| 17 |
Correct |
126 ms |
4052 KB |
Output is correct |
| 18 |
Correct |
131 ms |
3672 KB |
Output is correct |
| 19 |
Correct |
121 ms |
4564 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
28 ms |
4012 KB |
Output is correct |
| 2 |
Correct |
73 ms |
5924 KB |
Output is correct |
| 3 |
Correct |
73 ms |
5932 KB |
Output is correct |
| 4 |
Correct |
62 ms |
7244 KB |
Output is correct |
| 5 |
Correct |
69 ms |
9804 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5736 KB |
Output is correct |
| 7 |
Incorrect |
71 ms |
8224 KB |
Output isn't correct |
| 8 |
Halted |
0 ms |
0 KB |
- |
