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답안 #1105488

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1105488 2024-10-26T14:09:06 Z clams1606 Maze (JOI23_ho_t3) C++14
8 / 100
 169 ms 96004 KB 
#include <bits/stdc++.h>

#define _files
#define _multitest
#define _Debug_

using namespace std;

void just_do_it();

int main() {
    #define task ""
    #ifdef _files_
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    #endif
    #ifdef _Debug
        ios_base::sync_with_stdio(0);
    #endif
    cin.tie(0);
    just_do_it();
    return 0;
}

#define __builtin_popcount __builtin_popcountll
#define BIT(x, i) (((x)>> (i))& (1LL))
#define MASK(x) (1LL<< (x))
#define MOD 1000000007
#define ll long long

const int maxm= (int)1e6, maxn= (int)1e5, maxb= (int)1e3;

ll INF= (ll)1e18;

const int dx[]= {-1, 1,  0, 0};
const int dy[]= { 0, 0, -1, 1};

struct DSU{
    DSU(){}
    vector<int> f;
    void init(int n){
        f.resize(n+ 1);
        iota(f.begin(), f.end(), 0);
    }
    int lab(int u){
        while(u!= f[u]){
            u= f[u]= f[f[u]];
        }
        return u;
    }
    void mer(int u, int v){
        u= lab(u);
        v= lab(v);
        if(u!= v){
            f[v]= u;
        }
    }
};

struct state{
    state(){}
    int t, x, y;
    state(int _t, int _x, int _y){
        t= _t;
        x= _x;
        y= _y;
    }
};



vector<vector<char> > a;
vector<vector<bool> > vis;
vector<DSU> nxtr, nxtc;
pair<int, int> sta, en;
int r, c, n;
deque<state> st;

bool ok(int pr, int pc){
        return ((0< pr)&& (pr<= r)&& (0< pc)&& (pc<= c));
}

void input(){
    cin>> r>> c>> n>> sta.first>> sta.second>> en.first>> en.second;
    a.resize(r+ 3, vector<char> (c+ 3));
    vis.resize(r+ 3, vector<bool> (c+ 3));
    nxtr.resize(c+ 3);
    for(int i= 1; i<= c; i++){
        nxtr[i].init(r+ 3);
    }
    nxtc.resize(r+ 2);
    for(int i= 1; i<= r; i++){
        nxtc[i].init(c+ 3);
    }
    for(int i= 1; i<= r; i++){
        for(int j= 1; j<= c; j++){
            cin>> a[i][j];
        }
    }
}

void prepare(){

}

void solve(){
    st.push_back(state(0, sta.first, sta.second));
    while(st.size()){
        int t= st.front().t, pr= st.front().x, pc= st.front().y;st.pop_front();
        if((pr== en.first)&& (pc== en.second)){
            cout<< t;
            return;
        }
        if(vis[pr][pc]) continue;
        else vis[pr][pc]= true;
        for(int k= 0; k< 4; k++){
            int nr= pr+ dx[k], nc= pc+ dy[k];
            if(ok(nr, nc)&& (vis[nr][nc]== false)){
                if(a[nr][nc]== '.') st.push_front(state(t, nr, nc));
                else st.push_back(state(t+ 1, nr, nc));
            }
        }
        int mnr= max(pr- n+ 1, 1), mxr= min(pr+ n- 1, r), mnc= max(pc- n+ 1, 1), mxc= min(pc+ n- 1, c);
        for(int i= nxtr[mnc].lab(mnr); i<= mxr; i= nxtr[mnc].lab(i+ 1)){
            for(int j= nxtc[i].lab(mnc); j<= mxc; j= nxtc[i].lab(j+ 1)){
                st.push_back(state(t, i, j));
                nxtc[i].mer(j+ 1, j);
            }
            nxtr[mnc].mer(i+ 1, i);
        }
    }
}

void printans(){

}

void reset(){

}

void test(){
    input();
    prepare();
    solve();
    printans();
    reset();
}

void just_do_it() {
    int nTest= 1;
    #ifdef _multitest_
        cin>>nTest;
    #endif
    for (int it= 1; it <= nTest; it++) {
        test();
    }
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 500 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 5 ms 960 KB Output is correct
20 Correct 6 ms 3260 KB Output is correct
21 Correct 5 ms 1616 KB Output is correct
22 Correct 6 ms 848 KB Output is correct
23 Correct 5 ms 848 KB Output is correct
24 Correct 8 ms 4176 KB Output is correct
25 Correct 7 ms 4184 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 856 KB Output is correct
29 Correct 11 ms 1872 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 11 ms 3152 KB Output is correct
32 Correct 13 ms 1872 KB Output is correct
33 Correct 10 ms 1872 KB Output is correct
34 Correct 17 ms 9916 KB Output is correct
35 Correct 17 ms 9660 KB Output is correct
36 Correct 9 ms 2128 KB Output is correct
37 Correct 11 ms 1872 KB Output is correct
38 Correct 5 ms 1964 KB Output is correct
39 Correct 128 ms 15432 KB Output is correct
40 Correct 8 ms 2384 KB Output is correct
41 Correct 18 ms 12136 KB Output is correct
42 Correct 18 ms 2468 KB Output is correct
43 Correct 20 ms 8784 KB Output is correct
44 Correct 38 ms 13984 KB Output is correct
45 Correct 43 ms 16932 KB Output is correct
46 Correct 101 ms 47220 KB Output is correct
47 Correct 126 ms 14152 KB Output is correct
48 Correct 93 ms 13904 KB Output is correct
49 Correct 169 ms 95116 KB Output is correct
50 Correct 161 ms 96004 KB Output is correct
51 Correct 106 ms 17224 KB Output is correct
52 Correct 84 ms 15608 KB Output is correct
53 Correct 116 ms 15688 KB Output is correct

Subtask #2
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 336 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 336 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 336 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 336 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 500 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 5 ms 960 KB Output is correct
20 Correct 6 ms 3260 KB Output is correct
21 Correct 5 ms 1616 KB Output is correct
22 Correct 6 ms 848 KB Output is correct
23 Correct 5 ms 848 KB Output is correct
24 Correct 8 ms 4176 KB Output is correct
25 Correct 7 ms 4184 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 856 KB Output is correct
29 Correct 11 ms 1872 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 11 ms 3152 KB Output is correct
32 Correct 13 ms 1872 KB Output is correct
33 Correct 10 ms 1872 KB Output is correct
34 Correct 17 ms 9916 KB Output is correct
35 Correct 17 ms 9660 KB Output is correct
36 Correct 9 ms 2128 KB Output is correct
37 Correct 11 ms 1872 KB Output is correct
38 Correct 5 ms 1964 KB Output is correct
39 Correct 128 ms 15432 KB Output is correct
40 Correct 8 ms 2384 KB Output is correct
41 Correct 18 ms 12136 KB Output is correct
42 Correct 18 ms 2468 KB Output is correct
43 Correct 20 ms 8784 KB Output is correct
44 Correct 38 ms 13984 KB Output is correct
45 Correct 43 ms 16932 KB Output is correct
46 Correct 101 ms 47220 KB Output is correct
47 Correct 126 ms 14152 KB Output is correct
48 Correct 93 ms 13904 KB Output is correct
49 Correct 169 ms 95116 KB Output is correct
50 Correct 161 ms 96004 KB Output is correct
51 Correct 106 ms 17224 KB Output is correct
52 Correct 84 ms 15608 KB Output is correct
53 Correct 116 ms 15688 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 336 KB Output is correct
56 Incorrect 1 ms 336 KB Output isn't correct
57 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 500 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 5 ms 960 KB Output is correct
20 Correct 6 ms 3260 KB Output is correct
21 Correct 5 ms 1616 KB Output is correct
22 Correct 6 ms 848 KB Output is correct
23 Correct 5 ms 848 KB Output is correct
24 Correct 8 ms 4176 KB Output is correct
25 Correct 7 ms 4184 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 856 KB Output is correct
29 Correct 11 ms 1872 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 11 ms 3152 KB Output is correct
32 Correct 13 ms 1872 KB Output is correct
33 Correct 10 ms 1872 KB Output is correct
34 Correct 17 ms 9916 KB Output is correct
35 Correct 17 ms 9660 KB Output is correct
36 Correct 9 ms 2128 KB Output is correct
37 Correct 11 ms 1872 KB Output is correct
38 Correct 5 ms 1964 KB Output is correct
39 Correct 128 ms 15432 KB Output is correct
40 Correct 8 ms 2384 KB Output is correct
41 Correct 18 ms 12136 KB Output is correct
42 Correct 18 ms 2468 KB Output is correct
43 Correct 20 ms 8784 KB Output is correct
44 Correct 38 ms 13984 KB Output is correct
45 Correct 43 ms 16932 KB Output is correct
46 Correct 101 ms 47220 KB Output is correct
47 Correct 126 ms 14152 KB Output is correct
48 Correct 93 ms 13904 KB Output is correct
49 Correct 169 ms 95116 KB Output is correct
50 Correct 161 ms 96004 KB Output is correct
51 Correct 106 ms 17224 KB Output is correct
52 Correct 84 ms 15608 KB Output is correct
53 Correct 116 ms 15688 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 336 KB Output is correct
56 Incorrect 1 ms 336 KB Output isn't correct
57 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 500 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 5 ms 960 KB Output is correct
20 Correct 6 ms 3260 KB Output is correct
21 Correct 5 ms 1616 KB Output is correct
22 Correct 6 ms 848 KB Output is correct
23 Correct 5 ms 848 KB Output is correct
24 Correct 8 ms 4176 KB Output is correct
25 Correct 7 ms 4184 KB Output is correct
26 Correct 3 ms 856 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 856 KB Output is correct
29 Correct 11 ms 1872 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 11 ms 3152 KB Output is correct
32 Correct 13 ms 1872 KB Output is correct
33 Correct 10 ms 1872 KB Output is correct
34 Correct 17 ms 9916 KB Output is correct
35 Correct 17 ms 9660 KB Output is correct
36 Correct 9 ms 2128 KB Output is correct
37 Correct 11 ms 1872 KB Output is correct
38 Correct 5 ms 1964 KB Output is correct
39 Correct 128 ms 15432 KB Output is correct
40 Correct 8 ms 2384 KB Output is correct
41 Correct 18 ms 12136 KB Output is correct
42 Correct 18 ms 2468 KB Output is correct
43 Correct 20 ms 8784 KB Output is correct
44 Correct 38 ms 13984 KB Output is correct
45 Correct 43 ms 16932 KB Output is correct
46 Correct 101 ms 47220 KB Output is correct
47 Correct 126 ms 14152 KB Output is correct
48 Correct 93 ms 13904 KB Output is correct
49 Correct 169 ms 95116 KB Output is correct
50 Correct 161 ms 96004 KB Output is correct
51 Correct 106 ms 17224 KB Output is correct
52 Correct 84 ms 15608 KB Output is correct
53 Correct 116 ms 15688 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 336 KB Output is correct
56 Incorrect 1 ms 336 KB Output isn't correct
57 Halted 0 ms 0 KB -