Создал(а) 'du6/program.c'

du6/program.c

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+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <math.h>
+#include <ctype.h>
+#define SIZE 100
+int compare(const void* arg1, const void* arg2){
+	const char** ptr1 = (const char**)arg1;
+	const char** ptr2 = (const char**)arg2;
+	return strcmp(*ptr1, *ptr2);
+}
+int main(){
+char* pole_smernikov[SIZE];
+memset(pole_smernikov,0,SIZE*sizeof(char*));
+char line[SIZE];
+memset(line,0,SIZE);
+char* r = fgets(line, SIZE, stdin);
+int pocet_mien_v_poli = 0;
+
+int copy = 0;
+int kolicestvo = atoi(line);
+if(kolicestvo <= 0){
+puts("Nespravny vstup\n");
+return 0;
+}
+int countpr = 0;
+while(1){
+	r = fgets(line, SIZE, stdin);
+        	if(line[0] == '\n'){
+			break;
+		}
+		if(r == NULL){
+            		break;
+		}
+	int pocet_znakov = strlen(line);
+        for(int i = 0; i < pocet_znakov; i++){
+            if(!isalpha(line[i])){
+                countpr++;
+		//printf("-->%d\n",countpr);
+            }
+	}
+	    if(countpr != 1){
+	    	puts("Ziadne prihlasky\n");
+		return 0;
+	    }
+		for(int i = 0; i < pocet_mien_v_poli; i++){
+    			if(strcmp(pole_smernikov[i],line) == 0){
+        			copy = 1;
+    				//printf("Chyba\n");
+			}	
+		}
+		if(copy == 0){
+			if (pocet_mien_v_poli >= SIZE) {
+				printf("Pole smernikov je plne\n");
+				break;
+			}	
+			pole_smernikov[pocet_mien_v_poli] = malloc(pocet_znakov + 1);
+			memcpy(pole_smernikov[pocet_mien_v_poli],line,pocet_znakov + 1);
+			pocet_mien_v_poli += 1;
+			//printf("Opa\n");
+		}
+countpr = 0;
+}
+qsort(pole_smernikov, pocet_mien_v_poli, sizeof(char*), compare);
+//printf("===>%d\n", pocet_mien_v_poli);
+if(pocet_mien_v_poli > kolicestvo){
+puts("Prijati studenti:");
+for (int i = 0; i < kolicestvo; i++) {
+	printf("%s", pole_smernikov[i]);
+}
+puts("Neprijati studenti:");
+for (int i = kolicestvo; i < pocet_mien_v_poli; i++) {
+	printf("%s", pole_smernikov[i]);
+}
+}
+else{
+puts("Prijati studenti:");
+for (int i = 0; i < pocet_mien_v_poli; i++) {
+	printf("%s", pole_smernikov[i]);
+}
+}
+for (int i = 0; i < pocet_mien_v_poli; i++){
+    free(pole_smernikov[i]);
+}
+return 0;
+}
+