59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
#include "_.h"
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int main(int argc, char **argv) {
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if (argc != 2)
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return 1;
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char *input = argv[1];
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char **inputs = str_split(strdup(input), '\n');
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int count = 0;
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int max_y = strslen(inputs);
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int max_x = strlen(inputs[0]);
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int signals[4096][2] = { [0 ... 4095] = {-1, -1} };
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for (int y = 0; inputs[y] != NULL; y++) {
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for (int x = 0; inputs[y][x] != '\0'; x++) {
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if (isalpha(inputs[y][x]) || isdigit(inputs[y][x])) {
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for (int i = 0; inputs[i] != NULL; i++) {
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for (int j = 0; inputs[i][j] != '\0'; j++) {
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if (i == y && j == x)
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continue;
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if (inputs[i][j] != inputs[y][x])
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continue;
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int signal_y = i - y + i;
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int signal_x = j - x + j;
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if (signal_y >= max_y ||
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signal_y < 0 ||
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signal_x >= max_x ||
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signal_x < 0)
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continue;
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int continu = 0;
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for (int v = 0; signals[v][0] != -1; v++) {
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if (signals[v][0] == signal_y &&
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signals[v][1] == signal_x) {
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continu = 1;
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break;
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}
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}
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if (continu == 1)
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continue;
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signals[count][0] = signal_y;
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signals[count][1] = signal_x;
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count++;
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}
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}
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}
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}
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}
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printf("count: %d\n", count);
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return 0;
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}
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