結果
| 問題 |
No.34 砂漠の行商人
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-03-19 19:47:49 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 3,367 bytes |
| コンパイル時間 | 1,805 ms |
| コンパイル使用メモリ | 176,780 KB |
| 実行使用メモリ | 791,364 KB |
| 最終ジャッジ日時 | 2024-09-14 05:07:44 |
| 合計ジャッジ時間 | 11,340 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 6 WA * 2 TLE * 1 MLE * 1 -- * 16 |
ソースコード
#include "bits/stdc++.h"
using namespace std;
/* macro */
#define rep(i,a,b) for(int i=a;i<b;i++)
#define revrep(i,a,b) for(int i = a; i > b; i--)
//#define int long long
#define exist(s,e) ((s).find(e)!=(s).end())
#define all(v) (v).begin(), (v).end()
#define each(s,itr) for(auto (itr) = s.begin(); (itr) != s.end(); (itr)++)
#define sum(v) accumulate(all(v), (0LL))
#define isin(a, b, c) (b <= a && a <= c)
#define println cout << "\n";
#define sz(v) (int)v.size()
#define bin(x) static_cast<bitset<16> >(x)
/* alias */
template<class T> using vec = vector<T>;
typedef vector<int> vi;
typedef pair<int, int> pi;
typedef tuple<int, int, int> ti;
typedef map<int, int> mi;
typedef set<int> si;
/* constant */
const int inf = 1 << 30;
const int mod = 1e9 + 7;
const int dx[8]={1,0,-1,0,-1,1,-1,1};
const int dy[8]={0,1,0,-1,-1,-1,1,1};
const string alphabet = "abcdefghijklmnopqrstuvwxyz";
/* io_method */
int input(){int tmp;cin >> tmp;return tmp;}
string raw_input(){string tmp;cin >> tmp;return tmp;}
template<class T> void printx(T n){cout << n;}
template<class T, class U> void printx(pair<T, U> p){cout << "(" << p.first << "," << p.second << ")";}
template<class T, class U, class V> void printx(tuple<T, U, V> t){cout << "{" << get<0>(t) << "," << get<1>(t) <<"," << get<2>(t) << "}" << endl;}
template<class T> void printx(vector<T> v){cout << "{";rep(i,0,v.size()){printx(v[i]);if(i != v.size()-1)printx(",");}cout << "}";}
template<class T> void print(T n){printx(n);cout << endl;}
template<class T> void print(set<T> s){cout << "{";each(s, e){if(e != s.begin()) printx(",");printx(*e);}cout << "}" << endl;}
template<class T, class U> void print(map<T, U> mp){cout << "{";each(mp, e){cout << "(" << e -> first << "," << e -> second << ")";}cout << "}" << endl;}
template<class T> void printans(vec<T> v){rep(i,0,sz(v)){cout << v[i] << (i == sz(v) - 1 ? "" : " ");}cout << endl;}
/* general_method */
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
template<class T>T cut(T &a, int l, int r){return T(a.begin()+l, a.begin()+r);}
/* main */
int n, v, sx, sy, gx, gy;
int arr[100][100];
void in(){
cin >> n >> v >> sx >> sy >> gx >> gy;
sx--; sy--; gx--; gy--;
rep(i,0,n){
rep(j,0,n){
arr[i][j] = input();
}
}
}
void solve(){
int dist[100][100][10001];
rep(i,0,100) rep(j,0,100) rep(k,0,10001) dist[i][j][k] = inf;
dist[sy][sx][v] = 0;
queue<vi> que;
que.push({0, sx, sy, v});
while(not que.empty()){
int d = que.front()[0];
int x = que.front()[1];
int y = que.front()[2];
int v = que.front()[3];
que.pop();
if(dist[y][x][v] < d) continue;
rep(i,0,4){
int tx = x + dx[i];
int ty = y + dy[i];
if(!(isin(tx, 0, n - 1) && isin(ty, 0, n - 1))) continue;
if(v - arr[ty][tx] <= 0) continue;
if(chmin(dist[ty][tx][v - arr[ty][tx]], d + 1)){
que.push({d + 1, tx, ty, v - arr[ty][tx]});
}
}
}
int ans = inf;
rep(i,1,10001){
chmin(ans, dist[gy][gx][i]);
}
print(ans);
}
signed main(){
cin.tie(0);
ios::sync_with_stdio(false);
in();
solve();
}