pvjc20/du6/program.c

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#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#define fullSIZE 1000
#define wSIZE 100
#include <string.h>

int main()
{
    int SIZE = 0;
    if(!(scanf("%d", &SIZE))){
        printf("Nespravny vstup\n");
        return 0;
    }
    if(SIZE < 1){
        printf("Nespravny vstup\n");
        return 0;
    }
    int pm = 0;
    char** pole_smernikov = malloc(fullSIZE * sizeof(char));
    int k = 0;
    char* line = malloc(wSIZE * sizeof(char));
    size_t pocet_znakov = 0;
  	 int antiInfC = 0;
  	 char r = 'a';
    while (fgets(line,wSIZE,stdin)) {            
      		k = 0;
            pocet_znakov = strlen(line);
            char* all = malloc(pocet_znakov);
            memcpy(all, line, pocet_znakov);
            for(int x = 0; x < pm; x++){
                if(memcmp(pole_smernikov[x], line, pocet_znakov) == 0){
                    k++;
                }
            }
            if(0 == k){
                pole_smernikov[pm] = all;
                pm++;
            }
            if(antiInfC == 0){
                antiInfC++;
                continue;
            }
            if((line[0] == '\n' || isalpha(line[0])!=0 ) && antiInfC == 1 && r == '\n') {
                break;
            }
            r = line[0];
    }
  	free(line);
    k = 0;
    int i = 0;
  	i = 0;
        while (i < pm){
            for(int j = 0+1; j < pm-i; j++){
                if(0 < strcmp(pole_smernikov[j-1], pole_smernikov[j])){
                    char* temp = pole_smernikov[j];
                    pole_smernikov[j] = pole_smernikov[j - 1];
                    pole_smernikov[j-1] = temp;
                }
            }
            i++;
        }
        if(NULL == pole_smernikov[1]){
            puts("Ziadne prihlasky");
            return 0;
        }
        puts("Prijati studenti:");
        for(int i = 0+1; i < 1+SIZE; i++){
            if(pole_smernikov[i] != NULL){
                printf("%s", pole_smernikov[i]);
            } else{
                
            }
            free(pole_smernikov[i]);
        }
        int rra = -1;
        pm = pm + rra;
        if(0 > (SIZE - pm)){
            puts("Neprijati studenti:");
            for(int i = SIZE+1; i<pm+1; i++){
                printf("%s", pole_smernikov[i]);
                
                free(pole_smernikov[i]);
            }
        }
        free(pole_smernikov);

    return 0;
}