Submission #814846

#TimeUsernameProblemLanguageResultExecution timeMemory
814846rainboyCell Automaton (JOI23_cell)C11
4 / 100
9 ms4436 KiB
#include <stdio.h> #define N 100000 #define T 50 #define X 100 int main() { static int xx[N], yy[N], nn[T + 1]; static char cc[T + 1][X * 2 + 1][X * 2 + 1]; int n, q, i, t, x, y; scanf("%d%d", &n, &q); for (i = 0; i < n; i++) { scanf("%d%d", &xx[i], &yy[i]); cc[0][X + xx[i]][X + yy[i]] = 2; } nn[0] = n; for (t = 1; t <= T; t++) for (x = 0; x <= X * 2; x++) for (y = 0; y <= X * 2; y++) if (cc[t - 1][x][y] > 0) cc[t][x][y] = cc[t - 1][x][y] - 1; else if (x > 0 && cc[t - 1][x - 1][y] == 2 || y > 0 && cc[t - 1][x][y - 1] == 2 || x < X * 2 && cc[t - 1][x + 1][y] == 2 || y < X * 2 && cc[t - 1][x][y + 1] == 2) cc[t][x][y] = 2, nn[t]++; while (q--) { scanf("%d", &t); printf("%d\n", nn[t]); } return 0; }

Compilation message (stderr)

cell.c: In function 'main':
cell.c:23:20: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   23 |     else if (x > 0 && cc[t - 1][x - 1][y] == 2 || y > 0 && cc[t - 1][x][y - 1] == 2 || x < X * 2 && cc[t - 1][x + 1][y] == 2 || y < X * 2 && cc[t - 1][x][y + 1] == 2)
      |              ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
cell.c:23:98: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   23 |     else if (x > 0 && cc[t - 1][x - 1][y] == 2 || y > 0 && cc[t - 1][x][y - 1] == 2 || x < X * 2 && cc[t - 1][x + 1][y] == 2 || y < X * 2 && cc[t - 1][x][y + 1] == 2)
      |                                                                                        ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
cell.c:23:139: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   23 |     else if (x > 0 && cc[t - 1][x - 1][y] == 2 || y > 0 && cc[t - 1][x][y - 1] == 2 || x < X * 2 && cc[t - 1][x + 1][y] == 2 || y < X * 2 && cc[t - 1][x][y + 1] == 2)
      |                                                                                                                                 ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
cell.c:12:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  scanf("%d%d", &n, &q);
      |  ^~~~~~~~~~~~~~~~~~~~~
cell.c:14:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |   scanf("%d%d", &xx[i], &yy[i]);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cell.c:26:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |   scanf("%d", &t);
      |   ^~~~~~~~~~~~~~~
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