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authorsijanec <sijanecantonluka@gmail.com>2020-12-05 15:35:38 +0100
committersijanec <sijanecantonluka@gmail.com>2020-12-05 15:35:38 +0100
commit6d9781765daf3ac1e80f43c4a0d38d07261c4721 (patch)
treeceb1d414ee8752469ed35f1afc55c3e74168a205 /mat
parent12. naloga (diff)
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Diffstat (limited to 'mat')
-rwxr-xr-xmat/euler/12/a.outbin8568 -> 8568 bytes
-rw-r--r--mat/euler/12/prog.c2
-rw-r--r--mat/euler/13/Makefile2
-rwxr-xr-xmat/euler/13/a.outbin0 -> 12832 bytes
-rw-r--r--mat/euler/13/dodaj.c38
-rw-r--r--mat/euler/13/prog.c36
-rw-r--r--mat/euler/13/stevilke.txt100
7 files changed, 177 insertions, 1 deletions
diff --git a/mat/euler/12/a.out b/mat/euler/12/a.out
index 37a4114..c78bf2d 100755
--- a/mat/euler/12/a.out
+++ b/mat/euler/12/a.out
Binary files differ
diff --git a/mat/euler/12/prog.c b/mat/euler/12/prog.c
index 7af0f37..c23af4d 100644
--- a/mat/euler/12/prog.c
+++ b/mat/euler/12/prog.c
@@ -21,7 +21,7 @@ int main (int argc, char ** argv) {
}
d = (d*2)+2; // dva dodamo, ker sta to število samo in 1
if (d > n) {
- fprintf(stdout, "\rnašel število %lld z %lld delitelji\n", s, d);
+ fprintf(stdout, "\rnašel %lld triangelsko število %lld z %lld delitelji\n", i, s, d);
return 0;
}
i++;
diff --git a/mat/euler/13/Makefile b/mat/euler/13/Makefile
new file mode 100644
index 0000000..b9e8f74
--- /dev/null
+++ b/mat/euler/13/Makefile
@@ -0,0 +1,2 @@
+default:
+ gcc -I. prog.c -lm
diff --git a/mat/euler/13/a.out b/mat/euler/13/a.out
new file mode 100755
index 0000000..614ead4
--- /dev/null
+++ b/mat/euler/13/a.out
Binary files differ
diff --git a/mat/euler/13/dodaj.c b/mat/euler/13/dodaj.c
new file mode 100644
index 0000000..d1fbb59
--- /dev/null
+++ b/mat/euler/13/dodaj.c
@@ -0,0 +1,38 @@
+#pragma once
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+int dodaj (const char * c, char * d, long int a, long int b) {
+ unsigned long long int carry = 0; // carry je pri seštevanju vedno pozitiven
+ long int diff = b-a;
+ unsigned long long int dodajmo_tole = 0;
+ unsigned long long int temu = 0;
+ for (b = b-1; b >= 0; b--) {
+ if (b-diff >= 0) {
+ dodajmo_tole = c[b-diff] - '0';
+ } else {
+ dodajmo_tole = 0;
+ }
+ temu = d[b] - '0';
+ dodajmo_tole = dodajmo_tole + carry;
+ carry = 0;
+ if (temu + dodajmo_tole > 9) {
+ dodajmo_tole = (temu + dodajmo_tole) - 10;
+ temu = 0;
+ carry++;
+ }
+ d[b] = temu + dodajmo_tole + '0';
+ }
+ return 0;
+}
+#ifndef DISABLE_LIB_TESTS
+int main (int argc, char ** argv) {
+ char c[] = "37107287533902102798797998220837590246510135740250";
+ char d[] = "00000000000000000000000000000000000000000000000000000000000000000000000000000000000";
+ int a = strlen(c);
+ int b = strlen(d);
+ dodaj(c, d, a, b);
+ fprintf(stdout, "test: %s\n", d);
+ return 0;
+}
+#endif
diff --git a/mat/euler/13/prog.c b/mat/euler/13/prog.c
new file mode 100644
index 0000000..164e030
--- /dev/null
+++ b/mat/euler/13/prog.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h> // we don't need math, as long as we have string xD
+#include <string.h>
+#define ZACETNA_VELIKOST 128
+#define DISABLE_LIB_TESTS
+#include <dodaj.c>
+int main (int argc, char ** argv) {
+ fprintf(stderr, "program bere številke, ločene z LF, iz STDIN, ter jih sešteva.\n");
+ char c = fgetc(stdin);
+ char s[] = "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000";
+ size_t l = strlen(s);
+ // at this point I should mention that the the time is finite.
+ size_t velikost_b = ZACETNA_VELIKOST;
+ char * b = malloc(sizeof(char)*velikost_b);
+ unsigned int p = 0; // zaPisanih znakov v Buffer
+ while (c != EOF) {
+ if (c - '0' >= 0 && c - '0' <= 9) {
+ if (p + 3 >= velikost_b - 3) { // off by one can't happen now xD
+ velikost_b = velikost_b * 2;
+ char * b = realloc(b, sizeof(char)*velikost_b);
+ }
+ b[p++] = c;
+ }
+ if (c == '\n') {
+ b[p] = '\0';
+ dodaj (b, s, p, l);
+ fprintf(stderr, "dodal %s in dobil %s.\n", b, s);
+ p = 0;
+ }
+ continue_while:
+ c = fgetc(stdin);
+ }
+ fprintf(stdout, "seštevek številk je %s\n", s);
+ return 0;
+}
diff --git a/mat/euler/13/stevilke.txt b/mat/euler/13/stevilke.txt
new file mode 100644
index 0000000..43b568e
--- /dev/null
+++ b/mat/euler/13/stevilke.txt
@@ -0,0 +1,100 @@
+37107287533902102798797998220837590246510135740250
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