Submission #878596

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
878596	2023-11-24 21:21:30	rainboy	Robogolf (ROI19_golf)	C11	100 / 100	328 ms	25260 KiB

golf

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#include <stdio.h>
#define K 100000
#define N (K * 6)
#define MD  998244353
int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
unsigned int Z = 12345;
int rand_() {
  return (Z *= 3) >> 1;
}
int xx[N], yy[N], dd[N], ww[N], ii[N], dp[N][2], n; char trap[N], visited[N][2];
void sort(int *ii, int l, int r) {
  while (l < r) {
    int i = l, j = l, k = r, i_ = ii[l + rand_() % (r - l)], tmp;
    while (j < k) {
      int c = dd[ii[j]] != dd[i_] ? dd[ii[j]] - dd[i_] : xx[ii[j]] - xx[i_];
      if (c == 0)
        j++;
      else if (c < 0) {
        tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
        i++, j++;
      } else {
 
 
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Compilation message (stderr)

golf.c: In function 'solve':
golf.c:47:39: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   47 |   if (dd[ii[i]] < d || dd[ii[i]] == d && xx[ii[i]] < x)
      |                        ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
golf.c: In function 'main':
golf.c:63:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |  scanf("%*d%*d%d", &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
golf.c:68:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |   scanf("%d%d%d", &x, &y, &w);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 14 / 14
• Subtask 3: 14 / 14
• Subtask 4: 10 / 10
• Subtask 5: 6 / 6
• Subtask 6: 6 / 6
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10