QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#807634 | #9564. Hey, Have You Seen My Kangaroo? | alexz1205 | WA | 0ms | 16724kb | C++20 | 4.0kb | 2024-12-10 09:38:37 | 2024-12-10 09:38:47 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int NM = 2e5, K = 200;
typedef long long int lint;
typedef complex<int> vect;
typedef set<vect, decltype([](vect a, vect b){return (array<int,2>){a.real(), a.imag()} < (array<int, 2>){b.real(), b.imag()};})> setV;
int n, m, k;
template<typename T, size_t SIZE>
struct Multarr{
size_t N, M;
T data[SIZE];
Multarr(){
N = n;
M = m;
}
Multarr(int N, int M){
this->N = N;
this->M = M;
memset(data, 0, sizeof(data));
}
T* operator[](size_t i){
return &data[i*M];
}
T& operator[](vect cur){
return data[cur.real()*M + cur.imag()];
}
};
char buff[K+5];
int c1[K], c2[K];
int change[K];
Multarr<char, 2*NM> grid;
Multarr<int, NM> req;
Multarr<vect, NM> nex;
Multarr<setV, NM> con;
void setUpArrs(){
grid.N = n;
grid.M = m;
memset(grid.data, 0, sizeof(grid.data));
req.N = n;
req.M = m;
memset(req.data, 0, sizeof(req.data));
nex.N = n;
nex.M = m;
}
map<char, vect> dir = {{'U', vect(-1, 0)}, {'D', vect(1, 0)}, {'L', vect(0, -1)}, {'R', vect(0, 1)}};
vect move(vect cur, vect mov){
vect v = cur+mov;
v = vect(min(max(v.real(), 0), n-1), min(max(v.imag(), 0), m-1));
if (grid[v] != '0'){
return v;
}
return cur;
}
int ans[NM+1];
int main(){
scanf("%d %d %d", &n, &m, &k);
scanf("%s", buff);
setUpArrs();
for (int x = 0; x < n; x ++){
scanf("%s", grid[x]);
}
size_t sz = 0;
for (int x = 0; x < n; x ++){
for (int y = 0; y < m; y ++){
if (grid[x][y] != '0'){
sz ++;
vect cur(x, y);
for (int z = 0; z < k; z ++){
cur = move(cur, dir[buff[z]]);
}
nex[x][y] = cur;
con[cur].insert(vect(x, y));
req[cur] ++;
}
}
}
vector<vect> rem;
for (int x = 0; x < n; x ++){
for (int y = 0; y < m; y ++){
if (grid[x][y] != '0'){
vect cur(x, y);
if (!req[cur]) rem.push_back(cur);
}
}
}
memset(ans, -1, sizeof(ans));
memset(ans+sz, 0, sizeof(ans) - sz*sizeof(int));
int mov = 0;
size_t i = sz-1;
{
setV inter;
for (int x = 0; x < n; x ++){
for (int y = 0; y < m; y ++){
if (req[x][y] >= 2){
inter.insert(vect(x, y));
}
}
}
memset(change, 0, sizeof(change));
setV spect;
for (vect v: inter){
for (vect v2: con[v]){
spect.insert(v2);
}
}
for (int x = 0; x < k; x ++){
setV newSpect;
for (vect cur: spect){
vect v = move(cur, dir[buff[x]]);
newSpect.insert(v);
}
change[x] = spect.size() - newSpect.size();
swap(spect, newSpect);
}
}
while (!rem.empty()){
for (int x = 0; x < k; x ++){
sz -= change[x];
if (sz < 0){
exit(0);
}
while (i >= sz){
ans[i--] = mov*k + x + 1;
}
}
setV recalc;
vector<vect> nexRem;
for (vect cur: rem){
if (req[nex[cur]] == 2){
recalc.insert(nex[cur]);
}
}
memset(c1, 0, sizeof(c1));
memset(c2, 0, sizeof(c2));
{
setV spect;
for (vect v: recalc){
for (vect v2: con[v]){
spect.insert(v2);
}
}
for (int x = 0; x < k; x ++){
setV newSpect;
for (vect cur: spect){
vect v = move(cur, dir[buff[x]]);
newSpect.insert(v);
}
c1[x] = spect.size() - newSpect.size();
swap(spect, newSpect);
}
}
for (vect cur: rem){
if (req[nex[cur]] == 2){
recalc.erase(nex[cur]);
}
req[nex[cur]] --;
con[nex[cur]].erase(cur);
if (!req[nex[cur]]) nexRem.push_back(nex[cur]);
}
{
setV spect;
for (vect v: recalc){
for (vect v2: con[v]){
spect.insert(v2);
}
}
for (int x = 0; x < k; x ++){
setV newSpect;
for (vect cur: spect){
vect v = move(cur, dir[buff[x]]);
newSpect.insert(v);
}
c2[x] = spect.size() - newSpect.size();
swap(spect, newSpect);
}
}
for (int x = 0; x < k; x ++){
change[x] -= c1[x] - c2[x];
}
swap(nexRem, rem);
mov ++;
}
for (int x = 1; x <= n*m; x ++){
printf("%d\n", ans[x]);
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 16712kb
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: -100
Wrong Answer
time: 0ms
memory: 16724kb
input:
3 3 6 ULDDRR 010 111 011
output:
-1 4 2 1 1 0 0 0 0
result:
wrong answer 1st numbers differ - expected: '7', found: '-1'