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author | sijanec <sijanecantonluka@gmail.com> | 2020-12-05 15:35:38 +0100 |
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committer | sijanec <sijanecantonluka@gmail.com> | 2020-12-05 15:35:38 +0100 |
commit | 6d9781765daf3ac1e80f43c4a0d38d07261c4721 (patch) | |
tree | ceb1d414ee8752469ed35f1afc55c3e74168a205 | |
parent | 12. naloga (diff) | |
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Diffstat (limited to '')
-rwxr-xr-x | mat/euler/12/a.out | bin | 8568 -> 8568 bytes | |||
-rw-r--r-- | mat/euler/12/prog.c | 2 | ||||
-rw-r--r-- | mat/euler/13/Makefile | 2 | ||||
-rwxr-xr-x | mat/euler/13/a.out | bin | 0 -> 12832 bytes | |||
-rw-r--r-- | mat/euler/13/dodaj.c | 38 | ||||
-rw-r--r-- | mat/euler/13/prog.c | 36 | ||||
-rw-r--r-- | mat/euler/13/stevilke.txt | 100 |
7 files changed, 177 insertions, 1 deletions
diff --git a/mat/euler/12/a.out b/mat/euler/12/a.out Binary files differindex 37a4114..c78bf2d 100755 --- a/mat/euler/12/a.out +++ b/mat/euler/12/a.out 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 Binary files differnew file mode 100755 index 0000000..614ead4 --- /dev/null +++ b/mat/euler/13/a.out 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 +46376937677490009712648124896970078050417018260538 +74324986199524741059474233309513058123726617309629 +91942213363574161572522430563301811072406154908250 +23067588207539346171171980310421047513778063246676 +89261670696623633820136378418383684178734361726757 +28112879812849979408065481931592621691275889832738 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