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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#733642 | #9564. Hey, Have You Seen My Kangaroo? | ucup-team5243 | TL | 0ms | 3848kb | C++17 | 9.4kb | 2024-11-10 20:17:39 | 2024-11-10 20:17:41 |
Judging History
answer
#ifdef NACHIA
#define _GLIBCXX_DEBUG
#else
#define NDEBUG
#endif
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using i64 = long long;
using u64 = unsigned long long;
#define rep(i,n) for(int i=0; i<int(n); i++)
const i64 INF = 1001001001001001001;
template<typename A> void chmin(A& l, const A& r){ if(r < l) l = r; }
template<typename A> void chmax(A& l, const A& r){ if(l < r) l = r; }
using namespace std;
#include <iterator>
#include <functional>
#include <utility>
#include <type_traits>
template<class Elem> struct vec;
template<class Iter>
struct seq_view{
using Ref = typename std::iterator_traits<Iter>::reference;
using Elem = typename std::iterator_traits<Iter>::value_type;
Iter a, b;
Iter begin() const { return a; }
Iter end() const { return b; }
int size() const { return (int)(b-a); }
seq_view(Iter first, Iter last) : a(first), b(last) {}
seq_view sort() const { std::sort(a, b); return *this; }
Ref& operator[](int x) const { return *(a+x); }
template<class F = std::less<Elem>, class ret = vec<int>> ret sorti(F f = F()) const {
ret x(size()); for(int i=0; i<size(); i++) x[i] = i;
x().sort([&](int l, int r){ return f(a[l],a[r]); });
return x;
}
template<class ret = vec<Elem>> ret col() const { return ret(begin(), end()); }
template<class ret = vec<Elem>> ret cumsum() const {
auto res = ret(size() + 1, Elem(0));
for(int i=0; i<size(); i++) res[i+1] = res[i] + operator[](i);
return res;
}
template<class F = std::equal_to<Elem>, class ret = vec<std::pair<Elem, int>>>
ret rle(F eq = F()) const {
auto x = ret();
for(auto& a : (*this)){
if(x.size() == 0 || !eq(x[x.size()-1].first, a)) x.emp(a, 1); else x[x.size()-1].second++;
} return x;
}
template<class F> seq_view sort(F f) const { std::sort(a, b, f); return *this; }
Iter uni() const { return std::unique(a, b); }
Iter lb(const Elem& x) const { return std::lower_bound(a, b, x); }
Iter ub(const Elem& x) const { return std::upper_bound(a, b, x); }
int lbi(const Elem& x) const { return lb(x) - a; }
int ubi(const Elem& x) const { return ub(x) - a; }
seq_view bound(const Elem& l, const Elem& r) const { return { lb(l), lb(r) }; }
template<class F> Iter lb(const Elem& x, F f) const { return std::lower_bound(a, b, x, f); }
template<class F> Iter ub(const Elem& x, F f) const { return std::upper_bound(a, b, x, f); }
template<class F> Iter when_true_to_false(F f) const {
if(a == b) return a;
return std::lower_bound(a, b, *a,
[&](const Elem& x, const Elem&){ return f(x); });
}
seq_view same(Elem x) const { return { lb(x), ub(x) }; }
template<class F> auto map(F f) const {
vec<decltype(f(std::declval<const typename Iter::value_type&>()))> r;
for(auto& x : *this) r.emp(f(x));
return r;
}
Iter max() const { return std::max_element(a, b); }
Iter min() const { return std::min_element(a, b); }
template<class F = std::less<Elem>>
Iter min(F f) const { return std::min_element(a, b, f); }
seq_view rev() const { std::reverse(a, b); return *this; }
};
template<class Elem>
struct vec {
public:
using Base = typename std::vector<Elem>;
using Iter = typename Base::iterator;
using CIter = typename Base::const_iterator;
using View = seq_view<Iter>;
using CView = seq_view<CIter>;
vec(){}
explicit vec(int n, const Elem& value = Elem()) : a(0<n?n:0, value) {}
template <class I2> vec(I2 first, I2 last) : a(first, last) {}
vec(std::initializer_list<Elem> il) : a(std::move(il)) {}
vec(Base b) : a(std::move(b)) {}
operator Base() const { return a; }
Iter begin(){ return a.begin(); }
CIter begin() const { return a.begin(); }
Iter end(){ return a.end(); }
CIter end() const { return a.end(); }
int size() const { return a.size(); }
bool empty() const { return a.empty(); }
Elem& back(){ return a.back(); }
const Elem& back() const { return a.back(); }
vec& sortuni(){ (*this)().sort(); a.erase((*this)().uni(), end()); return *this; }
vec sortunied(){ vec x = *this; x.sortuni(); return x; }
Iter operator()(int x){ return a.begin() + x; }
CIter operator()(int x) const { return a.begin() + x; }
View operator()(int l, int r){ return { (*this)(l), (*this)(r) }; }
CView operator()(int l, int r) const { return { (*this)(l), (*this)(r) }; }
View operator()(){ return (*this)(0,size()); }
CView operator()() const { return (*this)(0,size()); }
Elem& operator[](int x){ return a[x]; }
const Elem& operator[](int x) const { return a[x]; }
Base& operator*(){ return a; }
const Base& operator*() const { return a; }
vec& push(Elem args){
a.push_back(std::move(args));
return *this;
}
template<class... Args>
vec& emp(Args &&... args){
a.emplace_back(std::forward<Args>(args) ...);
return *this;
}
template<class Range>
vec& app(Range& x){ for(auto& v : x){ emp(v); } return *this; }
Elem pop(){ Elem x = std::move(a.back()); a.pop_back(); return x; }
void resize(int sz){ a.resize(sz); }
void reserve(int sz){ a.reserve(sz); }
bool operator==(const vec& r) const { return a == r.a; }
bool operator!=(const vec& r) const { return a != r.a; }
bool operator<(const vec& r) const { return a < r.a; }
bool operator<=(const vec& r) const { return a <= r.a; }
bool operator>(const vec& r) const { return a > r.a; }
bool operator>=(const vec& r) const { return a >= r.a; }
vec<vec<Elem>> pile(int n) const { return vec<vec<Elem>>(n, *this); }
template<class F> vec& filter(F f){
int p = 0;
for(auto& x : a) if(f(x)) std::swap(a[p++],x);
resize(p); return *this;
}
vec& operator+=(const vec& r){ return app(r); }
vec operator+(const vec& r) const { vec x = *this; x += r; return x; }
vec operator*(int t) const { vec res; while(t--){ res += *this; } return res; }
private: Base a;
};
template<class IStr, class U, class T>
IStr& operator>>(IStr& is, vec<std::pair<U,T>>& v){ for(auto& x:v){ is >> x.first >> x.second; } return is; }
template<class IStr, class T>
IStr& operator>>(IStr& is, vec<T>& v){ for(auto& x:v){ is >> x; } return is; }
template<class OStr, class T>
OStr& operator<<(OStr& os, const vec<T>& v){
for(int i=0; i<v.size(); i++){
if(i){ os << ' '; } os << v[i];
} return os;
}
template<class OStr, class U, class T>
OStr& operator<<(OStr& os, const vec<std::pair<U,T>>& v){
for(int i=0; i<v.size(); i++){
if(i){ os << ' '; } os << '(' << v[i].first << ',' << v[i].second << ')';
} return os;
}
void testcase(){
int H, W, K; cin >> H >> W >> K;
string Instruct; cin >> Instruct;
vec<string> G(H); cin >> G;
int numKangaroo = 0;
auto Id = vec<int>(W*H,-1);
auto Idx = [&](int y, int x){ return y * W + x; };
rep(y,H) rep(x,W) if(G[y][x] == '1') Id[Idx(y,x)] = numKangaroo++;
vec<int> FG(numKangaroo, -2);
struct Merger { int t; int u; int v; };
vec<Merger> mergers; {
auto Per = Id;
rep(k,K){
auto nx = vec<int>(W*H,-1);
char inst = Instruct[k];
rep(y,H) rep(x,W) if(Per[Idx(y,x)] >= 0){
int to = 0;
if(inst == 'U'){
to = (y == 0 || G[y-1][x] == '0') ? Idx(y,x) : Idx(y-1,x);
} else if(inst == 'D'){
to = (y == H-1 || G[y+1][x] == '0') ? Idx(y,x) : Idx(y+1,x);
} else if(inst == 'L'){
to = (x == 0 || G[y][x-1] == '0') ? Idx(y,x) : Idx(y,x-1);
} else if(inst == 'R'){
to = (x == W-1 || G[y][x+1] == '0') ? Idx(y,x) : Idx(y,x+1);
}
if(nx[to] != -1){
mergers.push({ k+1, nx[to], Per[Idx(y,x)] });
} else {
nx[to] = Per[Idx(y,x)];
}
}
swap(nx, Per);
}
//cout << Per << endl;
rep(i,H*W) if(Per[i] >= 0) FG[Per[i]] = Id[i];
}
mergers().rev();
for(auto [t,u,v] : mergers) FG[v] = FG[u];
mergers().rev();
//cout << FG << endl;
vec<int> dfsBackOrder; {
vec<int> vis(numKangaroo, 0);
rep(s,numKangaroo){
vec<int> que;
que.push(s);
vis[s] = 1;
while(vis[FG[que.back()]] == 0){
que.push(FG[que.back()]);
vis[que.back()] = 1;
}
que().rev();
dfsBackOrder.app(que);
}
}
vec<int> height(numKangaroo, 0);
rep(tt,2) for(int i=numKangaroo-1; i>=0; i--){
chmax(height[FG[dfsBackOrder[i]]], height[dfsBackOrder[i]] + 1);
rep(i,numKangaroo) chmax(height[FG[i]], height[i] + 1);
}
//cout << height << endl;
vec<int> ans;
rep(y,H*W) if(Id[y] == -1) ans.push(0);
ans.push(0);
for(auto [t,u,v] : mergers){
if(height[u] < height[v]) swap(height[u], height[v]);
rep(c,height[v]+1) ans.push(c * K + t);
}
ans().sort();
while(ans.size() < H*W) ans.push(-1);
ans().rev();
for(auto a : ans) cout << a << '\n';
}
int main(){
ios::sync_with_stdio(false); cin.tie(nullptr);
testcase();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3552kb
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: 0ms
memory: 3848kb
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: 3616kb
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: -100
Time Limit Exceeded
input:
1 200000 200 RDRLDRULURDLDRULLRULLRRULRULRDLLDLRUDDLRURLURLULDRUUURDLUDUDLLLLLURRDURLUDDRRLRRURUUDDLLDDUUUDUULRLRUDULRRUURUDDDDLULULLLLLLLLLLLUDURLURLRLLRRRURUURLUDULDUULRRLULLRUDRDRUUDDRUDRDLLDLURDDDURLUULDRRDLDD 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111...