CSES - Datatähti 2022 loppu

Submission details
Task:	Sokkelo
Sender:	tonero
Submission time:	2022-01-22 16:41:41 +0200
Language:	C++ (C++17)
Status:	READY
Result:	28

Feedback
group	verdict	score
#1	ACCEPTED	28
#2	TIME LIMIT EXCEEDED	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.01 s	1, 2	details
#2	ACCEPTED	0.01 s	1, 2	details
#3	ACCEPTED	0.01 s	1, 2	details
#4	TIME LIMIT EXCEEDED	--	2	details
#5	TIME LIMIT EXCEEDED	--	2	details
#6	TIME LIMIT EXCEEDED	--	2	details
#7	ACCEPTED	0.01 s	1, 2	details
#8	TIME LIMIT EXCEEDED	--	2	details
#9	TIME LIMIT EXCEEDED	--	2	details
#10	ACCEPTED	0.01 s	1, 2	details
#11	TIME LIMIT EXCEEDED	--	2	details
#12	ACCEPTED	0.01 s	1, 2	details
#13	ACCEPTED	0.02 s	2	details
#14	ACCEPTED	0.01 s	1, 2	details
#15	ACCEPTED	0.02 s	2	details
#16	ACCEPTED	0.01 s	2	details
#17	ACCEPTED	0.01 s	2	details

Code

#include <bits/stdc++.h>

using namespace std;

#define ull unsigned long long
#define ll long long

vector<pair<int,int>> p1;
vector<pair<int,int>> p2;

int n,m;
char ma[1001][1001];
bool v[1001][1001] {false};
bool v2[1001][1001] {false};

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> n >> m;

    deque<pair<int,int>> vec;

    int a1,a2,s1,s2;

    for (int i = 1; i <= n; ++i){
        for (int u = 1; u <= m; ++u){
            cin >> ma[i][u];
            if(ma[i][u] == 'A'){
                a1 = i;
                a2 = u;
            }else if(ma[i][u] == 'B'){
                s1 = i;
                s2 = u;
            }
        }
    }

    vec.emplace_back(a1,a2);

    while(!vec.empty()){
        auto top = vec.front();
        vec.pop_front();
        if(top.first != n && !v[top.first+1][top.second] && ma[top.first+1][top.second] != '#'){
            p1.emplace_back(top.first+1,top.second);
            v[top.first+1][top.second] = true;
            vec.emplace_back(top.first+1, top.second);
        }
        if(top.first != 1 && !v[top.first-1][top.second] && ma[top.first-1][top.second] != '#'){
            p1.emplace_back(top.first-1,top.second);
            v[top.first-1][top.second] = true;
            vec.emplace_back(top.first-1, top.second);
        }
        if(top.second != m && !v[top.first][top.second+1] && ma[top.first][top.second+1] != '#'){
            p1.emplace_back(top.first,top.second+1);
            v[top.first][top.second+1] = true;
            vec.emplace_back(top.first, top.second+1);
        }
        if(top.second != 1 && !v[top.first][top.second-1] && ma[top.first][top.second-1] != '#'){
            p1.emplace_back(top.first,top.second-1);
            v[top.first][top.second-1] = true;
            vec.emplace_back(top.first, top.second-1);
        }
    }

    vec.emplace_back(s1, s2);

    while(!vec.empty()){
        auto top = vec.front();
        vec.pop_front();
        if(top.first != n && !v2[top.first+1][top.second] && ma[top.first+1][top.second] != '#'){
            p2.emplace_back(top.first+1,top.second);
            v2[top.first+1][top.second] = true;
            vec.emplace_back(top.first+1, top.second);
        }
        if(top.first != 1 && !v2[top.first-1][top.second] && ma[top.first-1][top.second] != '#'){
            p2.emplace_back(top.first-1,top.second);
            v2[top.first-1][top.second] = true;
            vec.emplace_back(top.first-1, top.second);
        }
        if(top.second != m && !v2[top.first][top.second+1] && ma[top.first][top.second+1] != '#'){
            p2.emplace_back(top.first,top.second+1);
            v2[top.first][top.second+1] = true;
            vec.emplace_back(top.first, top.second+1);
        }
        if(top.second != 1 && !v2[top.first][top.second-1] && ma[top.first][top.second-1] != '#'){
            p2.emplace_back(top.first,top.second-1);
            v2[top.first][top.second-1] = true;
            vec.emplace_back(top.first, top.second-1);
        }
    }

    int mi = INT32_MAX;

    for (const auto &item : p1){
        for (const auto &item2 : p2){
            mi = min(abs(item.first-item2.first) + abs(item.second-item2.second), mi);
        }
    }

    if(mi < 1) mi = 1;
    cout << mi;

    flush(std::cout);
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
`20 20 #################### #A.................# #..................# #..................# ...` view save

correct output
`1` view save

user output
`1` view save

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
`20 20 #################### #A.................# #..................# #..................# ...` view save

correct output
`2` view save

user output
`2` view save

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
`20 20 #################### #A.................# #..................# #..................# ...` view save

correct output
`9` view save

user output
`9` view save

Test 4

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 ##############################...` view save

correct output
`1` view save

user output
(empty)

Test 5

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 ##############################...` view save

correct output
`2` view save

user output
(empty)

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 ##############################...` view save

correct output
`335` view save

user output
(empty)

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
`20 20 #################### #####.############## ###.....############ ##.......########### ...` view save

correct output
`10` view save

user output
`10` view save

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 ##############################...` view save

correct output
`436` view save

user output
(empty)

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 ##############################...` view save

correct output
`2` view save

user output
(empty)

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
`20 20 #################### #B................## #################.## #################.## ...` view save

correct output
`2` view save

user output
`2` view save

Test 11

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1000 ##############################...` view save

correct output
`2` view save

user output
(empty)

Test 12

Group: 1, 2

Verdict: ACCEPTED

input
`20 20 #################### ##########A######### ##########.######### ##########.######### ...` view save

correct output
`2` view save

user output
`2` view save

Test 13

Group: 2

Verdict: ACCEPTED

input
`1000 1000 ##############################...` view save

correct output
`2` view save

user output
`2` view save

Test 14

Group: 1, 2

Verdict: ACCEPTED

input
`20 20 #################### ##########A######### ##########.######### ##########.######### ...` view save

correct output
`12` view save

user output
`12` view save

Test 15

Group: 2

Verdict: ACCEPTED

input
`1000 1000 ##############################...` view save

correct output
`502` view save

user output
`502` view save

Test 16

Group: 2

Verdict: ACCEPTED

input
`3 1000 ##############################...` view save

correct output
`1` view save

user output
`1` view save

Test 17

Group: 2

Verdict: ACCEPTED

input
`1000 3 ### #A# #.# #.# ...` view save

correct output
`1` view save

user output
`1` view save

Datatähti 2022 loppu

Sokkelo

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Tasks

Submissions (tonero)