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author | Anton Luka Šijanec <anton@sijanec.eu> | 2021-12-14 21:44:53 +0100 |
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committer | Anton Luka Šijanec <anton@sijanec.eu> | 2021-12-14 21:44:53 +0100 |
commit | bcc38555ea8da30afd8d0e8314e2ef8d02004a1e (patch) | |
tree | 87d35b3fbb1760eb575bd1d770ee6b66e5aa2347 /inf | |
parent | drugi test geografije (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | inf/liga/.gitignore | 4 | ||||
-rw-r--r-- | inf/liga/1.1.txt | 5 | ||||
-rw-r--r-- | inf/liga/1.2.txt | 4 | ||||
-rw-r--r-- | inf/liga/1.3.txt | 8 | ||||
-rw-r--r-- | inf/liga/1.c | 49 | ||||
-rw-r--r-- | inf/liga/2.1.txt | 1 | ||||
-rw-r--r-- | inf/liga/2.c | 118 | ||||
-rw-r--r-- | inf/liga/3.c | 19 | ||||
-rw-r--r-- | inf/liga/Makefile | 15 | ||||
-rw-r--r-- | inf/liga/test.c | 5 |
10 files changed, 228 insertions, 0 deletions
diff --git a/inf/liga/.gitignore b/inf/liga/.gitignore new file mode 100644 index 0000000..94ebaf9 --- /dev/null +++ b/inf/liga/.gitignore @@ -0,0 +1,4 @@ +1 +2 +3 +4 diff --git a/inf/liga/1.1.txt b/inf/liga/1.1.txt new file mode 100644 index 0000000..87f4c7a --- /dev/null +++ b/inf/liga/1.1.txt @@ -0,0 +1,5 @@ +10 30 +1 +-1 +-1 +0 diff --git a/inf/liga/1.2.txt b/inf/liga/1.2.txt new file mode 100644 index 0000000..944b5a9 --- /dev/null +++ b/inf/liga/1.2.txt @@ -0,0 +1,4 @@ +10 30 +1 +-1 +0 diff --git a/inf/liga/1.3.txt b/inf/liga/1.3.txt new file mode 100644 index 0000000..fb8c257 --- /dev/null +++ b/inf/liga/1.3.txt @@ -0,0 +1,8 @@ +10 30 +-1 +-1 +-1 +1 +1 +-1 +0 diff --git a/inf/liga/1.c b/inf/liga/1.c new file mode 100644 index 0000000..955cd89 --- /dev/null +++ b/inf/liga/1.c @@ -0,0 +1,49 @@ +#include <stdio.h> +#include <stdlib.h> +#define M 512 +#define pedantic_fgets(a, b, c) if (!fgets(a, b, c)) { fprintf(stderr, "napaka pri vnosu\n"); return 1; } +int main (void) { + char buf[M]; + char * c; + int a, b, s; + pedantic_fgets(buf, M, stdin); + a = strtol(buf, &c, 10); + b = strtol(++c, NULL, 10); + if (a > b) { + s = a; /* swap */ + a = b; + b = s; + } + fprintf(stderr, "interval: %05d %05d\n", a, b); + while (1) { + int v, u; + u = (a+b)/2; /* ugibamo to */ + fprintf(stderr, "testiram %05d\n", u); + pedantic_fgets(buf, M, stdin); + if (!(v = strtol(buf, NULL, 10))) { + if ((b-a) <= 1) + goto ogabno; + fprintf(stdout, "%d %d\n", a, b); + return 0; /* da se CMS ne zmede */ + } + if ((b-a) <= 1) { /* našli smo število */ +ogabno: + if (v) + fprintf(stdout, "PROTISLOVJE\n"); + else + fprintf(stdout, "%d\n", u); + return 0; + } + if (v == -1) { + b = u; + b--; + fprintf(stderr, "-1: število je manjše od %05d, interval %05d %05d\n", u, a, b); + } + if (v == 1) { + a = u; + a++; + fprintf(stderr, " 1: število je večje od %05d, interval %05d %05d\n", u, a, b); + } + } + return 0; +} diff --git a/inf/liga/2.1.txt b/inf/liga/2.1.txt new file mode 100644 index 0000000..ed40cec --- /dev/null +++ b/inf/liga/2.1.txt @@ -0,0 +1 @@ +10 20 diff --git a/inf/liga/2.c b/inf/liga/2.c new file mode 100644 index 0000000..25ccbe5 --- /dev/null +++ b/inf/liga/2.c @@ -0,0 +1,118 @@ +#define _GNU_SOURCE +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <unistd.h> +#include <string.h> +#define M 512 +#define pedantic_fgets(a, b, c) if (!fgets(a, b, c)) { fprintf(stderr, "napaka pri vnosu\n"); return 1; } +struct p { + long long int a; + long long int b; +}; +int main (void) { + char buf[M]; + char * cp; + long long int m, n, s, a, b, c; + m = n = s = a = b = c = 0; /* uh */ + pedantic_fgets(buf, M, stdin); + m = strtoll(buf, &cp, 10); + if (!*++cp) return 1; + n = strtoll(cp, NULL, 10); + struct p * r = calloc(M, sizeof(struct p)); + int u = 0; + fprintf(stderr, "interval je [%lld; %lld]\n", m, n); +#if 0 + for (a = 1; a <= n; a++) + for (b = 1; b <= n; b++) + for (c = 1; c <= n; c++) { + if (c >= m && c <= n && a*a+b*b == c*c) { + for (int i = 0; i < u; i++) { + if ((r[i].a == a && r[i].b == b) + || (r[i].a == b && r[i].b == a)) { +#ifndef EVAL + fprintf(stderr, "ogabno\n"); +#endif + goto ogabno; + } + } + r[u].a = a; + r[u++].b = b; +#ifndef EVAL + fprintf(stderr, "%lld² + %lld² = %lld²\n", a, b, c); +#endif + s++; +ogabno:; + } + } + fprintf(stdout, "%lld\n", s); +#endif +#if 0 + for (int a = 1; a <= n; a++) + for (int b = a+1; b <= n; b++) { /* a < b, b < c <= pravzaprav to sploh ni res*/ + for (c = b+1; c*c < a*a+b*b; c++); /* koren je počasnejši */ + if (c >= m && c <= n && a*a + b*b == c*c) + s++; + } +#endif +#if 0 /* eulerjeva metoda ne generira vseh trojic */ + /* a = x² - y² + b = 2xy + c = x²+y² */ +#define COND (c < 100) + for (int x = 2; COND; x++) { + for (int y = 1; y < x; y++) { + c = x*x+y*y; +#ifndef EVAL + a = x*x-y*y; + b = 2*x*y; + fprintf(stderr, "%d²+%d²=%d² ", a, b, c); +#endif + if (c >= m && c <= n) { +#ifndef EVAL + fprintf(stderr, "ŠTEJEMO\n"); +#endif + s++; + } +#ifndef EVAL + else { + fprintf(stderr, "NE ŠTEJEMO\n"); + } +#endif + } + } +#endif +#if 0 + for (a = 1; a <= n; a++) + for (b = 1; b <= n; b++) { + double e = a*a+b*b; + double d = sqrt(e); +#ifndef EVAL /* CMS compila z -DEVAL */ + fprintf(stderr, "preverjam (%lld^2 + %lld^2 = %lf) = %lf^2\n", a, b, e, d); +#endif + if ((int) d >= m && (int) d <= n && d == (int) d) { + for (int i = 0; i < u; i++) { + if ((r[i].a == a && r[i].b == b) + || (r[i].a == b && r[i].b == a)) { +#ifndef EVAL + fprintf(stderr, "ogabno\n"); +#endif + goto ogabno; + } + } + r[u].a = a; + r[u++].b = b; + s++; +ogabno:; + } + } +#endif + for (a = 1; a <= n; a++) + for (b = 1; b <= n; b++) + for (c = 1; c <= n; c++) + if (a*a+b*b=c*c) { + + } + fprintf(stdout, "%lld\n", s); + return 0; +} diff --git a/inf/liga/3.c b/inf/liga/3.c new file mode 100644 index 0000000..9d370e6 --- /dev/null +++ b/inf/liga/3.c @@ -0,0 +1,19 @@ +#include <stdio.h> +#include <stdlib.h> +#define M 512 +#define pedantic_fgets(a, b, c) if (!fgets(a, b, c)) { fprintf(stderr, "napaka pri vnosu\n"); return 1; } +int main (void) { + char buf[M]; + char * c; + int n, k, r; + pedantic_fgets(buf, M, stdin); + n = strtol(buf, NULL, stdin); + pedantic_fgets(buf, M, stdin); + k = strtol(buf, NULL, stdin); + pedantic_fgets(buf, M, stdin); + r = strtol(buf, NULL, stdin); + while (fddgets(buf, M, stdin)) { + + } + return 0; +} diff --git a/inf/liga/Makefile b/inf/liga/Makefile new file mode 100644 index 0000000..1dd50ea --- /dev/null +++ b/inf/liga/Makefile @@ -0,0 +1,15 @@ +CFLAGS += -Wextra -Wall -pedantic -g -O0 -finput-charset=UTF-8 -fanalyzer -fextended-identifiers +LDFLAGS += -lm +CC ?= cc +SHELL ?= /bin/sh +cbins := $(subst .c,,$(wildcard *.c)) +asmbins := $(subst .asm,,$(wildcard *.asm)) +default: $(cbins) $(asmbins) +%: %.c + $(CC) $(CFLAGS) $< -o$@ $(LDFLAGS) +%: %.asm + # za zdaj sicer še ni ničesar v zbornem jeziku, mogoče pa bo ... + nasm -f elf $< && ld -m elf_i386 -s -o $@ $@.o +.PHONY: clean +clean: + rm -f $(bins) $(asmbins) *.o diff --git a/inf/liga/test.c b/inf/liga/test.c new file mode 100644 index 0000000..b412386 --- /dev/null +++ b/inf/liga/test.c @@ -0,0 +1,5 @@ +int main (void) { + int a = 123; + double b = 123.4; + return (b == a); +} |