#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define PUTANJA "a.bin"
typedef struct igrac TIM[50];
typedef int MATRICA[10][10];
typedef struct igrac{
	char ime[50];
	int visina;
} IGRAC;
typedef struct element * POKAZIVAC;
typedef struct element{
	IGRAC podatak;
	POKAZIVAC sledeci;
} ELEMENT;



void osnovno(){
	FILE * dat = fopen("a.bin", "w+b");
	int a = 5;
	int b;
	if (dat == NULL) return;

	fwrite(&a, sizeof(int), 1, dat);
	fflush(dat);
	fseek(dat, 0, SEEK_SET);
	fread(&b, sizeof(int), 1, dat);
	printf("%d\n", b);

	fclose(dat);
}

void unos(){
	FILE * dat = fopen(PUTANJA, "wb");
	int a;
	if (dat == NULL) return;

	for (int i = 0; i < 5; i++)
	{
		scanf("%d", &a);
		fwrite(&a, sizeof(int), 1, dat);
		fflush(dat);
	}



	fclose(dat);
}

void prikaz(){
	FILE * dat = fopen(PUTANJA, "rb");
	int a;
	if (dat == NULL) return;

	while (fread(&a, sizeof(int), 1, dat) != 0){
		printf("%d\t", a);
	}

	fclose(dat);

}

void maks(){
	FILE * dat = fopen(PUTANJA, "rb");
	int a;
	int max1;
	if (dat == NULL) return;
	fread(&max1, sizeof(int), 1, dat);
	while (fread(&a, sizeof(int), 1, dat) != 0){
		max1 = max(max1, a);
	}

	printf("Max je %d", max1);
	fclose(dat);

}

void sort(){
	FILE * dat = fopen(PUTANJA, "r+b");
	int brEl,a,b;
	if (dat == NULL) return;
	fseek(dat, 0, SEEK_END);
	brEl = ftell(dat) / sizeof(int);

	for (int i = 0; i < brEl-1; i++)
	{
		for (int j = i+1; j < brEl; j++)
		{
			fseek(dat, i*sizeof(int), SEEK_SET);
			fread(&a, sizeof(int), 1, dat);
			fseek(dat, j*sizeof(int), SEEK_SET);
			fread(&b, sizeof(int), 1, dat);
			if (a>b){
				fseek(dat, i*sizeof(int), SEEK_SET);
				fwrite(&b, sizeof(int), 1, dat);
				fflush(dat);
				fseek(dat, j*sizeof(int), SEEK_SET);
				fwrite(&a, sizeof(int), 1, dat);
				fflush(dat);
			}
		}
	}
	fclose(dat);
}

void tekstualna(){
	FILE * dat = fopen("a.txt", "r");
	char rec[50];
	char max[50];
	if (dat == NULL) return;
	fscanf(dat, "%s", max);
	while (fscanf(dat, "%s", rec) != -1){
		if (strlen(rec) > strlen(max)){
			strcpy(max, rec);
		}
	}
	puts(max);

	fclose(dat);
}

void ucitajMatricu(MATRICA m, int * dim){
	FILE * dat = fopen("matrica.txt", "r");
	if (dat == NULL) return;

	fscanf(dat, "%d", dim);
	for (int i = 0; i < *dim; i++)
	{
		for (int j = 0; j < *dim; j++)
		{
			fscanf(dat, "%d|", &m[i][j]);
		}
	}


	fclose(dat);
}

void prikaz1(MATRICA m, int dim){
	FILE * dat = fopen("lepaMatrica.txt", "w");
	if (dat == NULL) return;
	for (int i = 0; i < dim; i++)
	{
		for (int j = 0; j < dim; j++)
		{
			fprintf(dat,"%d\t", m[i][j]);
		}
		fprintf(dat,"\n");
	}
	fclose(dat);
}

//=======================================================================================================PREBACIVANJA

void ubaciNaKraj(POKAZIVAC * glava, POKAZIVAC * rep, IGRAC i){

	POKAZIVAC novi = malloc(sizeof(ELEMENT));
	novi->podatak = i;
	novi->sledeci = NULL;
	if (*glava == NULL){
		*glava = novi;
	}
	else{
		(*rep)->sledeci = novi;
	}
	*rep = novi;
}

void izNizaUDat(TIM tim, int brEl){
	FILE * dat = fopen("igraci.dat", "wb");
	if (dat == NULL) return;
	for (int i = 0; i < brEl; i++)
	{
		fwrite(&tim[i], sizeof(IGRAC), 1, dat);
		fflush(dat);
	}


	fclose(dat);
}

void izDatUNiz(TIM tim, int * brEl){
	FILE * dat = fopen("igraci.dat", "rb");
	IGRAC i;
	if (dat == NULL) return;

	while (fread(&i, sizeof(IGRAC), 1, dat) != 0){
		tim[*brEl] = i;
		(*brEl)++;
	}

	fclose(dat);
}

void izListeUDat(POKAZIVAC glava){
	FILE * dat = fopen("igraci.dat", "wb");
	if (dat == NULL) return;
	while (glava != NULL){
		fwrite(&glava->podatak, sizeof(IGRAC), 1, dat);
		fflush(dat);
		glava = glava->sledeci;
	}
	fclose(dat);
}

void izDatUListu(POKAZIVAC * glava,POKAZIVAC * rep){
	FILE * dat = fopen("igraci.dat", "rb");
	IGRAC i;
	if (dat == NULL) return;


	while (fread(&i, sizeof(IGRAC), 1, dat) != 0){
		ubaciNaKraj(glava, rep, i);
	}

	fclose(dat);
}

void izNizaUListu(TIM tim, int brEl, POKAZIVAC * glava, POKAZIVAC * rep){
	for (int i = 0; i < brEl; i++)
	{
		ubaciNaKraj(glava, rep, tim[i]);
	}
}

void izListeUNiz(TIM tim, int *brEl, POKAZIVAC glava){

	while (glava != NULL){
		tim[*brEl] = glava->podatak;
		(*brEl)++;
		glava = glava->sledeci;
	}
}

int main(){
	MATRICA m;
	int dim;
	ucitajMatricu(m, &dim);
	prikaz1(m, dim);
	//unos();
	//sort();
	//prikaz();
	//maks();
	//tekstualna();

	return 0;
}