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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#734150 | #9564. Hey, Have You Seen My Kangaroo? | ucup-team3215 | WA | 1048ms | 40064kb | C++20 | 2.6kb | 2024-11-11 02:08:24 | 2024-11-11 02:08:25 |
Judging History
answer
#define tm xndisfbcgsf
#include <bits/stdc++.h>
#undef tm
using namespace std;
constexpr int N = 2e5, L = 20;
string s, a;
int n, m, k, jump[L][N], mark[N], tm;
vector<int> preim[N];
vector<int> merges;
void adv(int& i, int& j, int k) {
int di = s[k] == 'U'? -1: s[k] == 'D';
int dj = s[k] == 'L'? -1: s[k] == 'R';
if (i + di >= 0 && i + di < n && j + dj >= 0 && j + dj < m && a[(i + di) * m + j + dj] == '1') i += di, j += dj;
}
int getpos(int i, int t) {
for (int l = L; l--; ) if (t >> l & 1) i = jump[l][i];
return i;
}
//int sz(const vector<int>& v, int t) {
// ++tm;
// int res = 0;
// for (auto v: v) {
// v = getpos(v, t);
// res += mark[v] != tm;
// mark[v] = tm;
// }
// return res;
//}
vector<int> shrink(const vector<int>& v, int l) {
vector<int> res;
++tm;
for (auto v: v) {
v = jump[l][v];
if (mark[v] != tm) res.push_back(v);
mark[v] = tm;
}
return res;
}
void solve1(vector<int> v, int t) {
vector<int> u;
for (int i = 0; i < k; ++i) {
++tm;
for (auto v: v) {
int r = v / m, j = v % m;
adv(r, j, i);
v = r * m + j;
if (mark[v] != tm) u.push_back(v), mark[v] = tm;
else merges.push_back(t * k + i + 1);
}
swap(v = {}, u);
}
assert(v.size() == 1);
}
void solve(vector<int> v, int t) {
int dt = 0;
auto u = v;
for (int l = L; l--; ) {
auto w = shrink(u, l);
if (w.size() * 2 >= v.size() && w.size() > 1) dt += 1 << l, swap(u, w);
}
if (!dt) u = shrink(u, 0), dt = 1;
if (v.size() == 1 || dt == (1 << L) - 1) return;
if (u.size() == 1 && dt == 1) return solve1(move(v), t);
solve(u, t + dt);
for (auto v: v) preim[getpos(v, dt)].push_back(v);
vector<pair<int, vector<int>>> val;
for (auto v: u) val.emplace_back(v, move(preim[v]));
for (auto& [u, v]: val) solve(move(v), t);
}
int main() {
cin.tie(0)->sync_with_stdio(0);
cin >> n >> m >> k >> s;
string t;
for (int i = 0; i < n; ++i) cin >> t, a += t;
vector<int> all;
for (int i = 0; i < n; ++i)
for (int j = 0; j < m; ++j) if (a[i * m + j] == '1') {
all.push_back(i * m + j);
int ti = i, tj = j;
for (int i = 0; i < k; ++i) adv(ti, tj, i);
jump[0][i * m + j] = ti * m + tj;
}
for (int l = 0; l < L - 1; ++l)
for (int i = 0; i < n * m; ++i) jump[l + 1][i] = jump[l][jump[l][i]];
solve(all, 0);
sort(merges.begin(), merges.end());
vector<int> ans(all.size(), -1);
copy(merges.begin(), merges.end(), ans.rbegin());
ans.erase(ans.begin());
ans.resize(n * m);
for (auto ans: ans) cout << ans << '\n';
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 18168kb
input:
3 3 6 ULDDRR 010 111 010
output:
-1 4 2 1 0 0 0 0 0
result:
ok 9 numbers
Test #2:
score: 0
Accepted
time: 3ms
memory: 20168kb
input:
3 3 6 ULDDRR 010 111 011
output:
7 4 2 1 1 0 0 0 0
result:
ok 9 numbers
Test #3:
score: 0
Accepted
time: 0ms
memory: 19920kb
input:
1 5 1 R 11111
output:
4 3 2 1 0
result:
ok 5 number(s): "4 3 2 1 0"
Test #4:
score: 0
Accepted
time: 1048ms
memory: 40064kb
input:
1 200000 200 RDRLDRULURDLDRULLRULLRRULRULRDLLDLRUDDLRURLURLULDRUUURDLUDUDLLLLLURRDURLUDDRRLRRURUUDDLLDDUUUDUULRLRUDULRRUURUDDDDLULULLLLLLLLLLLUDURLURLRLLRRRURUURLUDULDUULRRLULLRUDRDRUUDDRUDRDLLDLURDDDURLUULDRRDLDD 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111...
output:
3999923 3999865 3999864 3999740 3999729 3999728 3999727 3999726 3999725 3999724 3999723 3999665 3999664 3999540 3999529 3999528 3999527 3999526 3999525 3999524 3999523 3999465 3999464 3999340 3999329 3999328 3999327 3999326 3999325 3999324 3999323 3999265 3999264 3999140 3999129 3999128 3999127 3999...
result:
ok 200000 numbers
Test #5:
score: -100
Wrong Answer
time: 733ms
memory: 34908kb
input:
2 100000 200 UULDRDLURDLDDRDRDUULDLUUULLRURLUUDDDRURURLLRRUDLDDDUDDRRUUURDDULURURLRULLUDLULURUUDURLDRRRDULRDLRRLDUUUDDUUDUDRDRUDLDRRUDRDLDRDLDRRDLRRDRDLRRLUDUDRULLRRLDDLUDDULDRLLLDLURRDDULDDUDULLRRRUURLRRRLURDLRLU 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111...
output:
-1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 383513 383490 383313 383290 383113 383090 382913 382890 382713 382690 382513 382490 382313 382290 382113 382090 381913 381890 381713 381690 381513 381490 381313 381290 381113 381090 380913 380890 380713 380690 380513 380490 3...
result:
wrong answer 16th numbers differ - expected: '384513', found: '-1'