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authorAnton Luka Šijanec <anton@sijanec.eu>2023-01-25 23:36:16 +0100
committerAnton Luka Šijanec <anton@sijanec.eu>2023-01-25 23:36:16 +0100
commit58c55856fc9e63bd786bdc22e8db2e3635d365fa (patch)
tree5e538f4fba9dccda8cb2ed0f06f3a31ee3c88d0b /inf/zotks
parentfizikalni vaji 7 in 8 in nekaj mat in inf (diff)
parentMerge branch 'master' of ssh://ni.sijanec.eu/var/lib/git/sijanec/sola-gimb-4 (diff)
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Diffstat (limited to 'inf/zotks')
-rw-r--r--inf/zotks/.gitignore8
-rw-r--r--inf/zotks/1.c25
-rw-r--r--inf/zotks/1.txt5
-rw-r--r--inf/zotks/2.c32
-rw-r--r--inf/zotks/2.txt3
-rw-r--r--inf/zotks/3.c98
-rw-r--r--inf/zotks/3.txt13
-rw-r--r--inf/zotks/makefile15
8 files changed, 199 insertions, 0 deletions
diff --git a/inf/zotks/.gitignore b/inf/zotks/.gitignore
new file mode 100644
index 0000000..1aa921d
--- /dev/null
+++ b/inf/zotks/.gitignore
@@ -0,0 +1,8 @@
+1
+2
+3
+4
+5
+6
+core
+*.pdf
diff --git a/inf/zotks/1.c b/inf/zotks/1.c
new file mode 100644
index 0000000..0fcd69e
--- /dev/null
+++ b/inf/zotks/1.c
@@ -0,0 +1,25 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <signal.h>
+int main (void) {
+ char buf[256];
+ unsigned long long prev = 0;
+ unsigned long long d;
+ unsigned long long numl = 0;
+ unsigned long long a1;
+ while (1) {
+ fgets(buf, 256, stdin);
+ if (ferror(stdin) || feof(stdin))
+ break;
+ numl++;
+ unsigned long long cur = strtoull(buf, NULL, 10);
+ if (numl == 1)
+ a1 = cur;
+ if (numl == 2)
+ d = cur-prev;
+ prev = cur;
+ }
+ printf("%llu\n", (prev-a1)/d+1-numl);
+ return 0;
+}
diff --git a/inf/zotks/1.txt b/inf/zotks/1.txt
new file mode 100644
index 0000000..0160b72
--- /dev/null
+++ b/inf/zotks/1.txt
@@ -0,0 +1,5 @@
+30
+40
+70
+90
+110
diff --git a/inf/zotks/2.c b/inf/zotks/2.c
new file mode 100644
index 0000000..6f71e5b
--- /dev/null
+++ b/inf/zotks/2.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <signal.h>
+#define N unsigned long long int
+N s (N n) {
+ return (n*(n+1))/2;
+}
+int main (void) {
+ char buf[256];
+ fgets(buf, 256, stdin);
+ while (1) {
+ fgets(buf, 256, stdin);
+ if (ferror(stdin) || feof(stdin))
+ break;
+ char * c;
+ N n = strtoull(buf, &c, 10); // imamo n števil
+ N m = strtoull(++c, &c, 10); // vsota vseh teh n števil je m
+ N k = strtoull(++c, NULL, 10); // teh n števil razdelimo v k skupin
+ if (k > n) { // ni možno imeti več skupin kot elementov
+ fprintf(stdout, "NE\n");
+ continue;
+ }
+ N smallest_max_in_group = n / k;
+ // fprintf(stderr, "smallest_max_in_group: %llu, s(smig+1)\n", smallest_max_in_group);
+ if ((n % k)*s(smallest_max_in_group+1) + (k-(n % k))*s(smallest_max_in_group) > m)
+ fprintf(stdout, "NE\n");
+ else
+ fprintf(stdout, "DA\n");
+ }
+ return 0;
+}
diff --git a/inf/zotks/2.txt b/inf/zotks/2.txt
new file mode 100644
index 0000000..1f2f1b6
--- /dev/null
+++ b/inf/zotks/2.txt
@@ -0,0 +1,3 @@
+2
+5 100 2
+2 2 1
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;
+}
diff --git a/inf/zotks/3.txt b/inf/zotks/3.txt
new file mode 100644
index 0000000..65d9d10
--- /dev/null
+++ b/inf/zotks/3.txt
@@ -0,0 +1,13 @@
+12 4 3 1
+DOZA
+KOZA
+ROZA
+KOMA
+VRBA
+KOSA
+KODA
+GRBA
+ROBA
+RIBA
+DOBA
+KOST
diff --git a/inf/zotks/makefile b/inf/zotks/makefile
new file mode 100644
index 0000000..f6c8f90
--- /dev/null
+++ b/inf/zotks/makefile
@@ -0,0 +1,15 @@
+CF=-Wall -Wextra -Wformat -Wformat-security -pedantic -g -O0 -I.
+LF=-lm
+default: $(subst .c,,$(shell find -name '*.c'))
+%: %.c
+ $(CC) $(CF) $(CFLAGS) $< -o$@ $(LF) $(LDFLAGS)
+
+navodila: s1_super_trojcek.pdf s1_tek.pdf s1_telefon.pdf
+
+%.pdf:
+ wget http://upload/d/$@
+
+clean:
+ rm -f 1 2 3 4 5 6 *.pdf
+
+.PHONY: default clean navodila