Created
May 13, 2014 13:27
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
struct seznamBesed { | |
char **vrstice; | |
int stVrstic; | |
}; typedef struct seznamBesed* sBesed; | |
sBesed initSeznam(sBesed); | |
void dodajBesedo(sBesed, char *); | |
void preberiDatoteko(sBesed, char const *); | |
char firstChar(sBesed, int); | |
int main(int argc, char const *argv[]) { | |
if(argc != 4) exit(1); | |
sBesed a = NULL, b = NULL; a = initSeznam(a); b = initSeznam(b); | |
preberiDatoteko(a, argv[1]); preberiDatoteko(b, argv[2]); | |
for(int i = 0; i < a->stVrstic; i++) | |
for(int j = 0; j < b->stVrstic; j++) { | |
if(strcmp(a->vrstice[i], b->vrstice[j]) == 0) { | |
a->vrstice[i] = ""; b->vrstice[j] = ""; | |
break; | |
} | |
if(i+1 < a ->stVrstic && strcmp(a->vrstice[i+1], b->vrstice[j]) == 0) { | |
a->vrstice[i+1] = ""; b->vrstice[j] = ""; | |
break; | |
} | |
} | |
FILE *fout = fopen(argv[3], "w"); | |
int max = a->stVrstic > b->stVrstic ? a->stVrstic : b->stVrstic; | |
for(int i = 0; i < max; i++) { | |
if(i < a->stVrstic && strcmp(a->vrstice[i], "") != 0) fputc(firstChar(a, i), fout); | |
if(i < b->stVrstic && strcmp(b->vrstice[i], "") != 0) fputc(firstChar(b, i), fout); | |
} | |
fputc('\n', fout); | |
fclose(fout); free(a); free(b); | |
return 0; | |
} | |
sBesed initSeznam(sBesed s) { | |
s = (sBesed) malloc(sizeof(struct seznamBesed)); | |
s->vrstice = (char **) malloc(0); s->stVrstic = 0; | |
return s; | |
} | |
void dodajBesedo(sBesed s, char *beseda) { | |
s->vrstice = (char **) realloc(s->vrstice, sizeof(char *) * (s->stVrstic + 1)); | |
s->vrstice[s->stVrstic] = (char *) malloc(sizeof(char) * (strlen(beseda) + 1)); | |
strcpy(s->vrstice[s->stVrstic++], beseda); | |
} | |
void preberiDatoteko(sBesed s, char const *pot) { | |
FILE *f = fopen(pot, "r"); char *l = (char *) malloc(101); | |
while(fgets(l, 100, f) != NULL) dodajBesedo(s, l); | |
fclose(f); free(l); | |
} | |
char firstChar(sBesed s, int vrstica) { return s->stVrstic > vrstica ? *s->vrstice[vrstica] : '\0'; } |
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