Submission #709896

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
709896	2023-03-14 18:52:38	rainboy	Sandcastle 2 (JOI22_ho_t5)	C11	100 / 100	1100 ms	18580 KiB

Main

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#include <stdio.h>
#include <string.h>
#define NM  50000
int di[] = { -1, 1, 0, 0 };
int dj[] = { 0, 0, -1, 1 };
int min(int a, int b) { return a < b ? a : b; }
int aa[NM], bb[NM], dd[NM], bad[3][3][3][3][NM], cc[3][3][NM], n, m;
int count(int il, int ir, int j, int y, int z) {
  int i, w, x, cnt;
  if (ir - il < 3) {
    cnt = 0;
    for (i = il; i <= ir; i++) {
      w = min(i - il, 2), x = min(ir - i, 2);
      if (bad[w][x][y][z][i * m + j])
        cnt++;
    }
  } else {
    cnt = 0;
    for (i = il; i < il + 2; i++)
      if (bad[i - il][2][y][z][i * m + j])
        cnt++;
    for (i = ir - 1; i <= ir; i++)
      if (bad[2][ir - i][y][z][i * m + j])
        cnt++;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.c: In function 'main':
Main.c:40:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |  scanf("%d%d", &n, &m);
      |  ^~~~~~~~~~~~~~~~~~~~~
Main.c:43:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |    scanf("%d", &aa[i * m + j]);
      |    ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 10 / 10
• Subtask 3: 5 / 5
• Subtask 4: 56 / 56
• Subtask 5: 20 / 20