oj.uz

Submission #1021470

# Submission time Handle Problem Language Result Execution time Memory
1021470 2024-07-12T18:36:39 Z Shadxwed Awesome Arrowland Adventure (eJOI19_adventure) C
50 / 100
 2000 ms 3392 KB 
#include <stdio.h>
#include <stdlib.h>

const int inf = 500*500*3+2;

void f(char *arr, int *res, int posy, int posx, int maxx) {
    if(arr[posy*(maxx+2)+posx+1] != 'X') {
        int t = res[posy*(maxx+2)+posx+1];
        char t2 = arr[posy*(maxx+2)+posx+1];
        if(t2 == 'W' && res[posy*(maxx+2)+posx] < t) {
            res[posy*(maxx+2)+posx+1] = res[posy*(maxx+2)+posx];
            f(arr, res, posy, posx+1, maxx);
        } else if(t2 == 'N' && res[posy*(maxx+2)+posx]+3 < t) {
            res[posy*(maxx+2)+posx+1] = res[posy*(maxx+2)+posx]+3;
            f(arr, res, posy, posx+1, maxx);
        } else if(t2 == 'E' && res[posy*(maxx+2)+posx]+2 < t) {
            res[posy*(maxx+2)+posx+1] = res[posy*(maxx+2)+posx]+2;
            f(arr, res, posy, posx+1, maxx);
        } else if(t2 == 'S' && res[posy*(maxx+2)+posx]+1 < t) {
            res[posy*(maxx+2)+posx+1] = res[posy*(maxx+2)+posx]+1;
            f(arr, res, posy, posx+1, maxx);
        }
    }
    if(arr[posy*(maxx+2)+posx-1] != 'X') {
        int t = res[posy*(maxx+2)+posx-1];
        char t2 = arr[posy*(maxx+2)+posx-1];
        if(t2 == 'E' && res[posy*(maxx+2)+posx] < t) {
            res[posy*(maxx+2)+posx-1] = res[posy*(maxx+2)+posx];
        } else if(t2 == 'S' && res[posy*(maxx+2)+posx]+3 < t) {
            res[posy*(maxx+2)+posx-1] = res[posy*(maxx+2)+posx]+3;
        } else if(t2 == 'W' && res[posy*(maxx+2)+posx]+2 < t) {
            res[posy*(maxx+2)+posx-1] = res[posy*(maxx+2)+posx]+2;
        } else if(t2 == 'N' && res[posy*(maxx+2)+posx]+1 < t) {
            res[posy*(maxx+2)+posx-1] = res[posy*(maxx+2)+posx]+1;
        }
        f(arr, res, posy, posx-1, maxx);
    }
    if(arr[(posy+1)*(maxx+2)+posx] != 'X') {
        int t = res[(posy+1)*(maxx+2)+posx];
        char t2 = arr[(posy+1)*(maxx+2)+posx];
        if(t2== 'N' && res[posy*(maxx+2)+posx] < t) {
            res[(posy+1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx];
        f(arr, res, posy+1, posx, maxx);
        } else if(t2 == 'E' && res[posy*(maxx+2)+posx]+3 < t) {
            res[(posy+1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx]+3;
        f(arr, res, posy+1, posx, maxx);
        } else if(t2 == 'S' && res[posy*(maxx+2)+posx]+2 < t) {
            res[(posy+1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx]+2;
        f(arr, res, posy+1, posx, maxx);
        } else if(t2 == 'W' && res[posy*(maxx+2)+posx]+1 < t) {
            res[(posy+1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx]+1;
        f(arr, res, posy+1, posx, maxx);
        }
    }
    if(arr[(posy-1)*(maxx+2)+posx] != 'X') {
        int t = res[(posy-1)*(maxx+2)+posx];
        char t2 = arr[(posy-1)*(maxx+2)+posx];
        if(t2 == 'S' && res[posy*(maxx+2)+posx] < t) {
            res[(posy-1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx];
        f(arr, res, posy-1, posx, maxx);
        } else if(t2 == 'W' && res[posy*(maxx+2)+posx]+3 < t) {
            res[(posy-1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx]+3;
        f(arr, res, posy-1, posx, maxx);
        } else if(t2 == 'N' && res[posy*(maxx+2)+posx]+2 < t) {
            res[(posy-1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx]+2;
        f(arr, res, posy-1, posx, maxx);
        } else if(t2 == 'E' && res[posy*(maxx+2)+posx]+1 < t) {
            res[(posy-1)*(maxx+2)+posx] = res[posy*(maxx+2)+posx]+1;
        f(arr, res, posy-1, posx, maxx);
        }
    }
}

int main()
{
    int n, m;
    scanf("%d %d ", &n, &m);
    char *arr = calloc((n+2)*(m+2), sizeof(char));
    int *res = calloc((n+2)*(m+2), sizeof(int));
    for(int i = 1; i < n+1; i++) {
        for(int j = 1; j < m+1; j++) {
            scanf("%c", &arr[i * (m+2) + j]);
        }
        if(i+1<n+1) scanf(" ");
    }
    for(int i = 0; i < n+2; i++) {
        res[0*(m+2)+i] = -1;
        arr[0*(m+2)+i] = 'X';
        res[i*(m+2)+0] = -1;
        arr[i*(m+2)+0] = 'X';
        res[((n+2)-1)*(m+2)+i] = -1;
        arr[((n+2)-1)*(m+2)+i] = 'X';
        res[i*(m+2)+(m+2)-1] = -1;
        arr[i*(m+2)+(m+2)-1] = 'X';
    }
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= m; j++) {
            res[i*(m+2)+j] = inf;
        }
    }

    res[n*(m+2)+m] = 0;
    f(arr, res, n, m, m);
    printf("%d", res[1*(m+2)+1]<inf?res[1*(m+2)+1]:-1); //res
    free(arr);
    free(res);
    return 0;
}

Compilation message

adventure.c: In function 'main':
adventure.c:77:5: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |     scanf("%d %d ", &n, &m);
      |     ^~~~~~~~~~~~~~~~~~~~~~~
adventure.c:82:13: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   82 |             scanf("%c", &arr[i * (m+2) + j]);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
adventure.c:84:21: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   84 |         if(i+1<n+1) scanf(" ");
      |                     ^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 420 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 416 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 31 ms 348 KB Output is correct
4 Correct 13 ms 492 KB Output is correct
5 Correct 289 ms 348 KB Output is correct
6 Correct 166 ms 556 KB Output is correct
7 Correct 17 ms 348 KB Output is correct
8 Correct 1 ms 448 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #5
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 420 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 416 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 31 ms 348 KB Output is correct
28 Correct 13 ms 492 KB Output is correct
29 Correct 289 ms 348 KB Output is correct
30 Correct 166 ms 556 KB Output is correct
31 Correct 17 ms 348 KB Output is correct
32 Correct 1 ms 448 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 8 ms 548 KB Output is correct
37 Execution timed out 2094 ms 3392 KB Time limit exceeded
38 Halted 0 ms 0 KB -