CSES - Datatähti 2025 loppu

Submission details
Task:	Suunnistus
Sender:	MikaelM
Submission time:	2025-04-20 20:35:00 +0300
Language:	C++ (C++17)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	31
#2	ACCEPTED	12
#3	ACCEPTED	57

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.01 s	1, 2, 3	details
#4	ACCEPTED	0.01 s	1, 2, 3	details
#5	ACCEPTED	0.00 s	1, 2, 3	details
#6	ACCEPTED	0.00 s	1, 2, 3	details
#7	ACCEPTED	0.06 s	2, 3	details
#8	ACCEPTED	0.07 s	2, 3	details
#9	ACCEPTED	0.01 s	2, 3	details
#10	ACCEPTED	0.11 s	3	details
#11	ACCEPTED	0.13 s	3	details
#12	ACCEPTED	0.02 s	3	details
#13	ACCEPTED	0.09 s	3	details
#14	ACCEPTED	0.04 s	2, 3	details
#15	ACCEPTED	0.01 s	3	details
#16	ACCEPTED	0.00 s	3	details
#17	ACCEPTED	0.01 s	2, 3	details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:27:9: warning: unused variable 'ans' [-Wunused-variable]
   27 |     int ans = 1e9;
      |         ^~~

Code

#include <bits/stdc++.h>
using namespace std;
#define rall(x) x.rbegin(),x.rend()
#define all(x) x.begin(),x.end()
#define fi first
#define se second
using ll = long long;

char c[501][501];
int e[501][501];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n, m, k;
    cin >> n >> m >> k;

    vector<pair<pair<int, int>, int>> v;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> c[i][j];
            if (c[i][j] == 'S') v.push_back({{i, j}, 0});
        }
    }

    int ans = 1e9;

    for (int r = 1; r <= k+1; r++) {

        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                e[i][j] = 1e9;
            }
        }

        queue<pair<int, int>> bfs;
        for (auto u : v) {
            e[u.fi.fi][u.fi.se] = u.se;
            bfs.push({u.fi.fi, u.fi.se});
        }
        v.clear();

        while (!bfs.empty()) {

            auto [y, x] = bfs.front();
            bfs.pop();

            if (y < n && c[y+1][x] != '#' && e[y][x]+1 < e[y+1][x]) {
                e[y+1][x] = e[y][x]+1;
                bfs.push({y+1, x});
            }

            if (y > 1 && c[y-1][x] != '#' && e[y][x]+1 < e[y-1][x]) {
                e[y-1][x] = e[y][x]+1;
                bfs.push({y-1, x});
            }

            if (x < m && c[y][x+1] != '#' && e[y][x]+1 < e[y][x+1]) {
                e[y][x+1] = e[y][x]+1;
                bfs.push({y, x+1});
            }

            if (x > 1 && c[y][x-1] != '#' && e[y][x]+1 < e[y][x-1]) {
                e[y][x-1] = e[y][x]+1;
                bfs.push({y, x-1});
            }
    
        }

        if (r <= k) {
            for (int i = 1; i <= n; i++) {
                for (int j = 1; j <= m; j++) {
                    if (c[i][j] == char('0' + r)) v.push_back({{i, j}, e[i][j]});
                }
            }
        }
        else {
            for (int i = 1; i <= n; i++) {
                for (int j = 1; j <= m; j++) {
                    if (c[i][j] == 'E') {
                        cout << (e[i][j] == 1e9 ? -1 : e[i][j]) << "\n";
                        return 0;
                    }
                }
            }
        }


    }
    
    
}

Test details

Test 1

Group: 3

Verdict: ACCEPTED

input
`10 10 9 S293#35616 #662963731 54975451#7 5162589168 ...` view save

correct output
`25` view save

user output
`25` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`500 500 0 .................................` view save

correct output
`301` view save

user output
`301` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`500 500 0 .#.........#.#..##..#............` view save

correct output
`253` view save

user output
`253` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`500 500 0 ...#......##.##.#.#..##..#..##...` view save

correct output
`-1` view save

user output
`-1` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`500 1 0 . . . . ...` view save

correct output
`77` view save

user output
`77` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`1 500 0 .................................` view save

correct output
`166` view save

user output
`166` view save

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
`500 500 9 .................................` view save

correct output
`3447` view save

user output
`3447` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
`500 500 9 .#........#..................#...` view save

correct output
`4952` view save

user output
`4952` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`500 500 9 ##.########.##########.#..#......` view save

correct output
`-1` view save

user output
`-1` view save

Test 10

Group: 3

Verdict: ACCEPTED

input
`500 500 9 623475428948841896621266296765...` view save

correct output
`205` view save

user output
`205` view save

Test 11

Group: 3

Verdict: ACCEPTED

input
`500 500 9 7##814125813#3463#272134469457...` view save

correct output
`157` view save

user output
`157` view save

Test 12

Group: 3

Verdict: ACCEPTED

input
`500 500 9 ##67##36##5#3###67###8972#61##...` view save

correct output
`-1` view save

user output
`-1` view save

Test 13

Group: 3

Verdict: ACCEPTED

input
`500 500 9 ....................#...#........` view save

correct output
`1313` view save

user output
`1313` view save

Test 14

Group: 2, 3

Verdict: ACCEPTED

input
`499 499 9 S#...#...#...#...#...#...#...#...` view save

correct output
`1124942` view save

user output
`1124942` view save

Test 15

Group: 3

Verdict: ACCEPTED

input
`500 1 9 1 6 1 3 ...` view save

correct output
`332` view save

user output
`332` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`1 500 9 996327784392827829434482995353...` view save

correct output
`135` view save

user output
`135` view save

Test 17

Group: 2, 3

Verdict: ACCEPTED

input
`500 500 9 .................................` view save

correct output
`-1` view save

user output
`-1` view save

Datatähti 2025 loppu

Suunnistus

Compiler report

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 (MikaelM)