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authorAnton Luka Šijanec <anton@sijanec.eu>2023-01-13 17:25:46 +0100
committerAnton Luka Šijanec <anton@sijanec.eu>2023-01-13 17:25:46 +0100
commit9e3cdb5da0b4fc1ff3b0fca15b4118785aebe026 (patch)
treeff24d4ce2b5c11ddafa8932edacbc4588dd927b0 /inf/zotks/3.c
parentfizvaje56 (diff)
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Diffstat (limited to 'inf/zotks/3.c')
-rw-r--r--inf/zotks/3.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/inf/zotks/3.c b/inf/zotks/3.c
new file mode 100644
index 0000000..1d4208c
--- /dev/null
+++ b/inf/zotks/3.c
@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <signal.h>
+#include <string.h>
+/* int ob (unsigned long long char * matrika, unsigned long long * obiskan, unsigned long long besed, unsigned long long ttl) {
+ for (int i = 0; i < besed; i++) {
+ for (int j = 0; j < besed; j++) {
+ if (matrika[i*d+j] && obiskan[j]) {
+ if (obiskan[i] == 0) {
+ obiskan[i] = obiskan[j]+1;
+ continue;
+ }
+ if (obiskan[j]+1 < obiskan[i])
+ obiskan[i] = obiskan[j]+1; // če obstaja krajša pot
+ }
+ }
+ }
+} */
+unsigned long long naivno (unsigned char * matrika, unsigned long long * obiskan, unsigned long long besed, unsigned long long ttl, unsigned long long d, unsigned long long lok) {
+#ifndef EVAL
+ fprintf(stderr, "ttl je %llu\n", ttl);
+#endif
+ if (!ttl)
+ return 0;
+ // if (obiskan[lok]) // nič več, smo že
+ // return 0;
+ obiskan[lok]++;
+ unsigned long long povezav = 1;
+ for (unsigned long long i = 0; i < besed; i++) {
+ if (matrika[besed*i+lok])
+ povezav += naivno(matrika, obiskan, besed, ttl-1, d, i);
+ }
+ return povezav;
+}
+int main (void) {
+ char buf[256];
+ fgets(buf, 256, stdin);
+ char * c;
+ unsigned long long s = strtoul(buf, &c, 10);
+ unsigned long long d = strtoul(++c, &c, 10);
+ unsigned long long n = strtoul(++c, &c, 10); // število otrok
+ unsigned long long z = strtoul(++c, &c, 10); // ??? . edit kasneje: aja, razumem, prva izrečena beseda
+ char ** w = malloc(sizeof(char *)*s);
+ unsigned long long i = 0;
+ while (i++ <= s) {
+ fgets(buf, 256 /* še newline in NULL */, stdin);
+ w[i-1] = strdup(buf);
+#ifndef EVAL
+ fprintf(stderr, "w[%llu]: %s\n", i-1, w[i-1]);
+#endif
+ if (ferror(stdin) || feof(stdin))
+ break;
+ }
+ unsigned char matrika[s*s]; // en megabajt največ, gucci
+ memset(matrika, '\0', s*s);
+ for (unsigned long long i = 0; i < s; i++) {
+#ifndef EVAL
+ fprintf(stderr, "%llu\n", i);
+#endif
+ for (unsigned long long j = 0; j < s; j++) {
+ int ne = 0;
+ for (unsigned long long k = 0; k < d; k++)
+ if (w[i][k] != w[j][k])
+ ne++;
+ if (ne <= 1)
+ matrika[s*i+j] = 1;
+ }
+ }
+#ifndef EVAL
+ for (unsigned long long i = 0; i < s; i++) {
+ for (unsigned long long j = 0; j < s; j++) {
+ fprintf(stderr, "%u ", matrika[s*i+j]);
+ }
+ fprintf(stderr, "\n");
+ }
+#endif
+ unsigned long long obiskan[s]; // da vpisujemo TTLje
+ memset(obiskan, '\0', s*sizeof(unsigned long long));
+ fprintf(stderr, "%llu\n", naivno(matrika, obiskan, s, n+1, d, z));
+ unsigned cx = 0;
+ for (int i = 0; i < s; i++) {
+ if (obiskan[i])
+ cx++;
+ }
+ fprintf(stdout, "%u\n", cx);
+ /*
+ int ret = ob(matrika, obiskan, d, n);
+ if (ret == -1) { // nihče ni bil dodatno obiskan
+ unsigned long long obiskanih = 0;
+ for (int i = 0; i < d; i++)
+ if (obiskan[d])
+ obiskanih++;
+ fprintf(stdout, "%u\n", obiskanih);
+ return 0;
+ }*/
+ return 0;
+}