Submission #814865

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
814865	2023-08-08 10:45:20	rainboy	Cell Automaton (JOI23_cell)	C11	16 / 100	542 ms	127412 KiB

cell

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#include <stdio.h>
#define N 100000
#define X 2000
#define T 1000
int min(int a, int b) { return a < b ? a : b; }
int main() {
  static int xx[N], yy[N], nn[T + 1];
  static int dd[X * 2 + 1][X * 2 + 1];
  int n, q, i, t, x, y;
  scanf("%d%d", &n, &q);
  for (x = 0; x <= X * 2; x++)
    for (y = 0; y <= X * 2; y++)
      dd[x][y] = T + 1;
  for (i = 0; i < n; i++) {
    scanf("%d%d", &xx[i], &yy[i]);
    dd[X + xx[i]][X + yy[i]] = 0;
  }
  for (x = 0; x <= X * 2; x++) {
    for (y = 1; y <= X * 2; y++)
      dd[x][y] = min(dd[x][y], dd[x][y - 1] + 1);
    for (y = X * 2 - 1; y >= 0; y--)
      dd[x][y] = min(dd[x][y], dd[x][y + 1] + 1);
  }
  for (y = 0; y <= X * 2; y++) {
    for (x = 1; x <= X * 2; x++)
      dd[x][y] = min(dd[x][y], dd[x - 1][y] + 1);
 
 
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Compilation message (stderr)

cell.c: In function 'main':
cell.c:14:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%d%d", &n, &q);
      |  ^~~~~~~~~~~~~~~~~~~~~
cell.c:19:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |   scanf("%d%d", &xx[i], &yy[i]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cell.c:39:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |   scanf("%d", &t);
      |   ^~~~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 12 / 12
• Subtask 3: 0 / 8
• Subtask 4: 0 / 8
• Subtask 5: 0 / 17
• Subtask 6: 0 / 25
• Subtask 7: 0 / 26