結果
| 問題 |
No.424 立体迷路
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2017-10-19 22:21:31 |
| 言語 | C++17(gcc12) (gcc 12.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 5,001 bytes |
| コンパイル時間 | 13,172 ms |
| コンパイル使用メモリ | 278,788 KB |
| 最終ジャッジ日時 | 2025-01-05 03:22:39 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | TLE * 5 |
| other | TLE * 21 |
ソースコード
//
// https://yukicoder.me/submissions/118725
//
// 昔のgetsが火を吹いたため
//
#pragma GCC optimize ("O3")
#pragma GCC target ("avx")
#include "bits/stdc++.h" // define macro "/D__MAI"
using namespace std;
typedef long long int ll;
#define xprintf(fmt,...) fprintf(stderr,fmt,__VA_ARGS__)
#define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;}
#define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;}
#define debugaa(m,h,w) {printf("L%d %s >\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}}
#define ALL(v) (v).begin(),(v).end()
#define repeat(cnt,l) for(auto cnt=0ll;(cnt)<(l);++(cnt))
#define iterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);++(cnt))
#define MD 1000000007ll
#define PI 3.1415926535897932384626433832795
#define EPS 1e-12
template<typename T1, typename T2> ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; }
template<typename iterator> inline size_t argmin(iterator begin, iterator end) { return distance(begin, min_element(begin, end)); }
template<typename iterator> inline size_t argmax(iterator begin, iterator end) { return distance(begin, max_element(begin, end)); }
template<typename T> T& maxset(T& to, const T& val) { return to = max(to, val); }
template<typename T> T& minset(T& to, const T& val) { return to = min(to, val); }
mt19937_64 randdev(8901016);
inline ll rand_range(ll l, ll h) {
return uniform_int_distribution<ll>(l, h)(randdev);
}
#ifdef __MAI
#define getchar_unlocked getchar
#define putchar_unlocked putchar
#endif
#ifdef __VSCC
#define getchar_unlocked _getchar_nolock
#define putchar_unlocked _putchar_nolock
#endif
namespace {
#define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E)
class MaiScanner {
public:
template<typename T> void input_integer(T& var) {
var = 0;
T sign = 1;
int cc = getchar_unlocked();
for (; cc<'0' || '9'<cc; cc = getchar_unlocked())
if (cc == '-') sign = -1;
for (; '0' <= cc&&cc <= '9'; cc = getchar_unlocked())
var = (var << 3) + (var << 1) + cc - '0';
var = var*sign;
}
inline int c() { return getchar_unlocked(); }
inline MaiScanner& operator>>(int& var) {
input_integer<int>(var);
return *this;
}
inline MaiScanner& operator>>(long long& var) {
input_integer<long long>(var);
return *this;
}
inline MaiScanner& operator>>(string& var) {
int cc = getchar_unlocked();
for (; !isvisiblechar(cc); cc = getchar_unlocked());
for (; isvisiblechar(cc); cc = getchar_unlocked())
var.push_back(cc);
return *this;
}
template<typename IT> void in(IT begin, IT end) {
for (auto it = begin; it != end; ++it) *this >> *it;
}
};
}
MaiScanner scanner;
string maze[100];
int height, width;
int sx, sy, gx, gy;
int main() {
int i, j, k, l;
scanner >> height >> width;
scanner >> sy >> sx >> gy >> gx; // (゚д゚)
sx--; sy--; gx--; gy--;
{
string str;
scanner >> (maze[0]);//dammy;
}
for (i = 0; i<height; i++) {
scanner >> (maze[i]);
}
queue<array<int,2>> q;
q.push({sy, sx});
int x, y, hi;
while (!q.empty()) {
auto& v = q.front();
x = v[1]; y = v[0]; hi = maze[y][x];
q.pop();
//printf("%d %d %c\n",x,y,maze[y][x]);
maze[y][x] = 'g';
if (y == gy && x == gx) {
cout << "YES" << endl;
return 0;
}
if (0<x && maze[y][x - 1] != 'g' && abs(maze[y][x - 1] - hi) <= 1) {
q.push({y, x - 1});
}
if (0<y && maze[y - 1][x] != 'g' && abs(maze[y - 1][x] - hi) <= 1) {
q.push({y - 1, x});
}
if (x<width - 1 && maze[y][x + 1] != 'g' && abs(maze[y][x + 1] - hi) <= 1) {
q.push({y, x + 1});
}
if (y<height - 1 && maze[y + 1][x] != 'g' && abs(maze[y + 1][x] - hi) <= 1) {
q.push({y + 1, x});
}
if (1<x && maze[y][x - 2] != 'g' && maze[y][x - 2] == hi && maze[y][x - 1]<hi) {
q.push({y, x - 2});
}
if (1<y && maze[y - 2][x] != 'g' && maze[y - 2][x] == hi && maze[y - 1][x]<hi) {
q.push({y - 2, x});
}
if (x<width - 2 && maze[y][x + 2] != 'g' && maze[y][x + 2] == hi && maze[y][x + 1]<hi) {
q.push({y, x + 2});
}
if (y<height - 2 && maze[y + 2][x] != 'g' && maze[y + 2][x] == hi && maze[y + 1][x]<hi) {
q.push({y + 2, x});
}
}
// for (y=0;y<height;y++){
// for (x=0;x<width;x++){
// putchar(maze[y][x]);
// }
// cout<<endl;
// }
cout << "NO" << endl;
return 0;
}