pvjc20/du6/program.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

struct LIS{
char name[100];
char fname[100];
int num;
};

char keep(struct LIS*,int);
void sort(struct LIS*,int);
void print(struct LIS*,int,int);

int main(){
    
struct LIS list[100];
int places=0;
int k;
k=scanf("%d",&places);
if(k!=1 || places<0){
    puts("Nespravny vstup");
}
else{
    int count=keep(list,places);
    sort(list,count);
    print(list,count,places);   
}
    return 0;
}


char keep(struct LIS* list,int places){
int count=0;
char names[100];
    for(;fgets(names,100,stdin);){
        if(names[0]=='\n'){
            list[count].num=-1;            
            continue;
        }    
        if(sscanf(names,"%s %s",list[count].fname,list[count].name)==2){
            count++;
            if(places>=count){
                list[count-1].num=0;
            }
            else{
               list[count-1].num=1; 
            }
        }
        else if(sscanf(names,"%s",list[count].fname)==1){
            count++;
            if(places>=count){
                list[count-1].num=2;
            }
            else{
               list[count-1].num=3; 
            }
        }
    }
    return count;
}

void sort(struct LIS* list,int count){
    struct LIS ilusion;
    char *min;
    int mini;
    for(int i=0;i<=count-1;i++){
        min=list[i].fname;
        mini=i;
        for(int j=i+1;j<=count;j++){
            if(strcmp(min,list[j].fname)==0 && strcmp(list[mini].name,list[j].name)>0){
                ilusion=list[i];
                list[i]=list[mini];
                list[mini]=ilusion;
            }    
            if(strcmp(min,list[j].fname)>0){
                min=list[j].fname;
                mini=j;
            }
        }
        ilusion=list[i];
        list[i]=list[mini];
        list[mini]=ilusion;
    }

}

void print(struct LIS *list,int count,int places){
    if(count>0){
        if(places>0){
            printf("Prijati studenti:\n");
            int i=1;
            for(i;i<=count;i++){
                if(list[i].num==2 && list[i].fname[0]!='\n'){
                    printf("%s\n",list[i].fname);
                }
                if(list[i].num==0 && list[i].fname[0]!='\n'){
                    printf("%s %s\n",list[i].fname,list[i].name);
                }
            }
        }
        if(count-places>0){
            printf("Neprijati studenti:\n");
            for(int i=0;i<=count;i++){
                if(list[i].num==3){
                    printf("%s\n",list[i].fname);
                }
                if(list[i].num==1){
                    printf("%s %s\n",list[i].fname,list[i].name);
                }
            }
        }
    }
    else{
        puts("Ziadne prihlasky");
    }
}