#include<bits/stdc++.h>
#include<fstream>
using namespace std;
ifstream fin("WINTER.inp");
ofstream fout("WINTER.out");
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ld PI = 3.14159265359;
const int x[4] = {1, -1, 0, 0};
const int y[4] = {0, 0, 1, -1};
const ll mod = 1e9 + 7;
const int mxn = 5e5, mxm = 1e5, sq = 400;
const int base = (1 << 18);
const ll inf = 1e9;
const ld pre = 1e-6;
int r, c, n, sti, stj, eni, enj;
vt<vt<char>>a;
vt<vt<int>>d;
bool inside(int i, int j){
return(i >= 1 && j >= 1 && i <= r && j <= c);
}
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> r >> c >> n;
a.resize(r + 1, vt<char>(c + 1));
d.resize(r + 1, vt<int>(c + 1));
cin >> sti >> stj >> eni >> enj;
forr(i, 1, r + 1){
forr(j, 1, c + 1){
cin >> a[i][j]; d[i][j] = 1e9;
}
}
deque<pair<int, int>>dq; dq.pb({sti, stj});
d[sti][stj] = 0;
while(!dq.empty()){
auto [i, j] = dq.front(); dq.pop_front();
if(d[i][j] > 10)continue;
if(a[i][j] == '.'){
for(int t = 0; t < 4; t++){
int nwi = i + x[t], nwj = j + y[t];
if(inside(nwi, nwj)){
if(d[nwi][nwj] > d[i][j]){
d[nwi][nwj] = d[i][j];
dq.push_front({nwi, nwj});
}
}
}
}
for(auto ii: {i - n, i + n}){
for(int jj = j - n + 1; jj <= j + n - 1; jj++){
if(inside(ii, jj)){
if(d[ii][jj] > d[i][j] + 1){
d[ii][jj] = d[i][j] + 1;
dq.push_back({ii, jj});
}
}
}
}
for(auto jj : {j - n, j + n}){
for(int ii = i - n + 1; ii <= i + n - 1; ii++){
if(inside(ii, jj)){
if(d[ii][jj] > d[i][j] + 1){
d[ii][jj] = d[i][j] + 1;
dq.push_back({ii, jj});
}
}
}
}
}
int ans = 1e9;
for(int i = eni - n + 1; i <= eni + n - 1; i++){
for(int j = enj - n + 1; j <= enj + n - 1; j++){
if(inside(i, j)){
ans = min(ans, d[i][j] + 1);
}
}
}
ans = min(ans, d[eni][enj]);
cout << ans;
return(0);
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:46:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
46 | auto [i, j] = dq.front(); dq.pop_front();
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
212 KB |
Output is correct |
19 |
Correct |
0 ms |
212 KB |
Output is correct |
20 |
Correct |
0 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
2 ms |
340 KB |
Output is correct |
25 |
Correct |
2 ms |
468 KB |
Output is correct |
26 |
Correct |
13 ms |
1164 KB |
Output is correct |
27 |
Correct |
4 ms |
768 KB |
Output is correct |
28 |
Correct |
164 ms |
848 KB |
Output is correct |
29 |
Correct |
2 ms |
596 KB |
Output is correct |
30 |
Correct |
2 ms |
596 KB |
Output is correct |
31 |
Correct |
37 ms |
736 KB |
Output is correct |
32 |
Correct |
5 ms |
724 KB |
Output is correct |
33 |
Correct |
2 ms |
596 KB |
Output is correct |
34 |
Correct |
209 ms |
2148 KB |
Output is correct |
35 |
Correct |
9 ms |
1748 KB |
Output is correct |
36 |
Correct |
655 ms |
1784 KB |
Output is correct |
37 |
Correct |
4 ms |
1116 KB |
Output is correct |
38 |
Correct |
4 ms |
1108 KB |
Output is correct |
39 |
Correct |
380 ms |
6884 KB |
Output is correct |
40 |
Execution timed out |
2052 ms |
18944 KB |
Time limit exceeded |
41 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |