Submission #490087

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
490087	2021-11-25 13:33:07	rainboy	Pick (COI18_pick)	C11	100 / 100	1 ms	336 KiB

pick

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#include <stdio.h>
int dx[] = { 1, -1, 0, 0, 1, -1, -1, 1 };
int dy[] = { 0, 0, 1, -1, 1, -1, 1, -1 };
int x, y;
void move(int t) {
  printf("%d %d\n", x, y), x += dx[t], y += dy[t];
}
int main() {
  static int kk[4];
  int t, i;
  for (t = 0; t < 4; t++)
    scanf("%d", &kk[t]);
  if (kk[0] == 0 && kk[1] == 0) {
    for (i = 0; i < kk[2] / 2; i++)
      move(2 << 1 | 0);
    move(3 << 1 | 0);
    for (i = 0; i < kk[2] / 2 - 1; i++)
      move(2 << 1 | 1);
    for (i = 0; i < kk[3] / 2 - 1; i++)
      move(3 << 1 | 0);
    move(2 << 1 | 1);
    for (i = 0; i < kk[3] / 2; i++)
      move(3 << 1 | 1);
  } else if (kk[0] == 0) {
    if (kk[2] % 2 == 1 && kk[3] % 2 == 1) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

pick.c: In function 'main':
pick.c:17:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |   scanf("%d", &kk[t]);
      |   ^~~~~~~~~~~~~~~~~~~

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