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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#323446 | #4833. Tetra-puzzle | duongnc000 | 0 | 10ms | 8408kb | C++20 | 6.8kb | 2024-02-09 21:10:04 | 2024-02-09 21:10:05 |
Judging History
answer
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,sse4.2,popcnt,lzcnt")
#include <bits/stdc++.h>
#define taskname ""
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define i64 long long
#define pb push_back
#define ff first
#define ss second
#define isz(x) (int)x.size()
using namespace std;
const int mxN = 2e5 + 5;
const int mod = 1e9 + 7;
const i64 oo = 1e18;
namespace Piece {
vector<vector<pair<int, int>>> L = {{{0, 0}, {0, 1}, {1, 0}, {2, 0}},
{{0, 0}, {0, 1}, {0, 2}, {1, 0}},
{{0, 0}, {0, 1}, {1, 1}, {2, 1}},
{{0, 0}, {0, 1}, {0, 2}, {1, 2}},
{{0, 0}, {1, 0}, {2, 0}, {2, 1}},
{{0, 0}, {1, 0}, {1, 1}, {1, 2}},
{{2, 0}, {2, 1}, {1, 1}, {0, 1}},
{{1, 0}, {1, 1}, {1, 2}, {0, 2}}};
vector<vector<pair<int, int>>> I = {{{0, 0}, {0, 1}, {0, 2}, {0, 3}},
{{0, 0}, {1, 0}, {2, 0}, {3, 0}}};
vector<vector<pair<int, int>>> O = {{{0, 0}, {0, 1}, {1, 0}, {1, 1}}};
vector<vector<pair<int, int>>> T = {{{0, 0}, {1, 0}, {1, 1}, {2, 0}},
{{0, 0}, {0, 1}, {0, 2}, {1, 1}},
{{0, 1}, {1, 0}, {1, 1}, {1, 2}},
{{0, 1}, {1, 0}, {1, 1}, {2, 1}}};
vector<vector<pair<int, int>>> Z = {{{0, 0}, {0, 1}, {1, 1}, {1, 2}},
{{0, 1}, {1, 0}, {1, 1}, {2, 0}},
{{0, 1}, {0, 2}, {1, 0}, {1, 1}},
{{0, 0}, {1, 0}, {1, 1}, {2, 1}}};
vector<vector<pair<int, int>>> get_vector(char shape) {
if (shape == 'L') return L;
if (shape == 'I') return I;
if (shape == 'O') return O;
if (shape == 'T') return T;
if (shape == 'Z') return Z;
return {};
}
};
bool check(int x, int y) {
return 0 <= x and x < 5 and 0 <= y and y < 5;
}
struct State {
int a[5][5], score;
pair<int, char> prv;
State() {
memset(a, 0, sizeof a);
score = 25, prv = {-1, 0};
}
bool operator < (const State &rhs) const {
return score < rhs.score;
}
void clear() {
int row[5]{}, col[5]{};
for (int i = 0; i < 5; ++i) for (int j = 0; j < 5; ++j) a[i][j] = !!a[i][j], row[i] += a[i][j], col[j] += a[i][j];
for (int i = 0; i < 5; ++i) for (int j = 0; j < 5; ++j) if (row[i] == 5 or col[j] == 5) a[i][j] = 0, ++score;
}
pair<bool, pair<State, State>> test(int x, int y, vector<pair<int, int>> way, pair<int, char> cook) {
State res = *this;
for (auto [dx, dy] : way) {
if (!check(x + dx, y + dy) or res.a[x + dx][y + dy]) return {false, {res, res}};
res.a[x + dx][y + dy] = 2, --res.score;
}
pair<bool, pair<State, State>> rres = {true, {res, res}};
res.clear(); res.prv = cook; rres.ss.ss = res;
return rres;
}
int msk() {
int res = 0;
for (int i = 0; i < 5; ++i) for (int j = 0; j < 5; ++j) res = res << 1 | a[i][j];
return res;
}
// int count_way(vector<pair<int, int>> &way) {
// int res = 0;
// for (int x = 0; x < 4; ++x) for (int y = 0; y < 4; ++y) {
// int cnt = 1;
// for (auto [dx, dy] : way) res &= (check(x + dx, y + dy) and !a[x + dx][y + dy]);
// res += cnt;
// }
// return res;
// }
// int count_ways() {
// for (auto ch : ['L', 'I', 'O', 'T', 'Z']) {
// for (auto way : Piece::get_vector(ch))
// }
// }
};
void try_piece(State cur, char shape, vector<State> &res, int idx) {
auto ways = Piece::get_vector(shape);
for (int i = 0; i < 4; ++i) for (int j = 0; j < 4; ++j) for (int k = 0; k < isz(ways); ++k) {
auto ncur = cur.test(i, j, ways[k], {idx, shape});
if (ncur.ff) res.emplace_back(ncur.ss.ss);
}
}
void try_piece2(State cur, char shape, vector<pair<State, State>> &res, int idx) {
auto ways = Piece::get_vector(shape);
for (int i = 0; i < 4; ++i) for (int j = 0; j < 4; ++j) for (int k = 0; k < isz(ways); ++k) {
auto ncur = cur.test(i, j, ways[k], {idx, shape});
if (ncur.ff) res.emplace_back(ncur.ss.ss, ncur.ss.ff);
}
}
void prepare() {
int n; cin >> n;
string res = "";
vector<vector<State>> best(n + 1);
best[0].resize(1);
for (int i = 1; i <= n; ++i) {
string s; cin >> s;
for (int j = 0; j < isz(best[i - 1]); ++j) {
try_piece(best[i - 1][j], s[0], best[i], j);
try_piece(best[i - 1][j], s[1], best[i], j);
}
sort(rall(best[i]));
if (isz(best[i]) > 100) best[i].resize(100);
}
int cidx = 0;
for (int i = n; i >= 1; --i) {
res.push_back(best[i][cidx].prv.ss);
cidx = best[i][cidx].prv.ff;
}
reverse(all(res)); cout << res << endl;
}
void play() {
int n; cin >> n;
State cur;
for (int i = 1; i <= n; ++i) {
char ch; cin >> ch;
vector<pair<State, State>> res;
try_piece2(cur, ch, res, -1);
assert(!res.empty());
sort(rall(res), [&](pair<State, State> A, pair<State, State> B) {
if (A.ff.score == B.ff.score) return A.ff.msk() < B.ff.msk();
return A.ff.score < B.ff.score;
}); cur = res[0].ss;
for (int j = 0; j < 5; ++j) {
for (int k = 0; k < 5; ++k) {
if (cur.a[j][k] == 0) cout << '.';
if (cur.a[j][k] == 1) cout << '#';
if (cur.a[j][k] == 2) cout << '*';
}
cout << endl;
}
cur = res[0].ff;
}
}
string name;
void solve() {
cin >> name;
if (name == "prepare") prepare();
else play();
}
signed main() {
#ifndef CDuongg
if(fopen(taskname".inp", "r"))
assert(freopen(taskname".inp", "r", stdin)), assert(freopen(taskname".out", "w", stdout));
#else
freopen("bai3.inp", "r", stdin);
freopen("bai3.out", "w", stdout);
auto start = chrono::high_resolution_clock::now();
#endif
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1; //cin >> t;
while(t--) solve();
#ifdef CDuongg
auto end = chrono::high_resolution_clock::now();
cout << "\n"; for(int i = 1; i <= 100; ++i) cout << '=';
cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
cout << "Check array size pls sir" << endl;
#endif
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 7960kb
First Run Input
prepare 6 TO LO ZI LI LT LT
First Run Output
OLZITT
Second Run Input
play 6 O L Z I T T
Second Run Output
**... **... ..... ..... ..... ##*.. ##*** ..... ..... ..... ###** ..**. ..... ..... ..... ****. ..##. ..... ..... ..... ####. ..##. ...*. ..**. ...*. ###*. ..#** ...*. ..#.. .....
result:
ok good job!
Test #2:
score: 100
Accepted
time: 0ms
memory: 3728kb
First Run Input
prepare 1 ZI
First Run Output
Z
Second Run Input
play 1 Z
Second Run Output
**... .**.. ..... ..... .....
result:
ok good job!
Test #3:
score: 100
Accepted
time: 10ms
memory: 8408kb
First Run Input
prepare 10 LO TZ ZO OI OL ZL ZO TL OZ LO
First Run Output
LTOILLZLZL
Second Run Input
play 10 L T O I L L Z L Z L
Second Run Output
***.. *.... ..... ..... ..... ###.. #.... *.... **... *.... .##** ...** ..... .#... ..... .#### ..*## ..*.. .#*.. ..*.. *#.## ***## ..... .#... ..... ##*## ***.. ..... .#... ..... ..**. ###** ..... .#... ..... **##. *.... *.... .#... ..... ####* #..** #..*. .#... ..... ..... #**## #.*#. .#*.. .....
result:
ok good job!
Test #4:
score: 0
Stage 2: Program answer Runtime Error
First Run Input
prepare 29 ZT OT ZL LT ZI LO IZ LT OI ZT ZT OL ZI LT LZ TZ IL ZI OT LZ LT LZ OT OI IO OZ IZ ZL ZL
First Run Output
TOLLZLILIZTLILLZIZOLLLTIIZILL
Second Run Input
play 29 T O L L Z L I L I Z
Second Run Output
***.. .*... ..... ..... ..... ###** .#.** ..... ..... ..... ***.. *#.## ..... ..... ..... ###.. ##*## ***.. ..... ..... ###.. ..**. ###** ..... ..... ###.. ..##. .**.. ..*.. ..*.. ##... *..#. *#... *.... *.... *#... ***#. .#... ..... ..... ##... ####. .#... ****. .....