89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define SIZE 100
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int get_index(char* students[],int size, const char* name){
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for(int i=0; i<size; i++){
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if(!strcmp(students[i], name)){
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return i;
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}
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}
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return -1;
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}
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int compare_func(const void * a, const void * b){
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return (strcmp(*(char**)a, *(char**)b));
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}
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int main(int argc, char const *argv[])
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{
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char line[SIZE];
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memset(line,0,SIZE);
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char* r = fgets(line,SIZE,stdin);
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if(r==NULL){
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puts("Nespravny vstup");
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return 0;
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}
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char* pEnd= NULL;
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int size = strtol(line, &pEnd, 10);
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if(size<=0){ //TODO check for trailing chars //there is newline
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puts("Nespravny vstup");
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return 0;
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}
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char* students[SIZE];
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for(int i=0; i<SIZE; i++)
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{
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students[i] = calloc(SIZE, sizeof(char));
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}
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//memset(students,0,SIZE*sizeof(char*));
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int loaded = 0;
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while(1){
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memset(line,0,SIZE);
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char* r = fgets(line,SIZE,stdin);
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if (r == NULL){
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break;
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}
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if(line[0]=='\n'){
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break;
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}
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char tmp[SIZE];
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memset(tmp, 0, SIZE);
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memcpy(tmp, line, strlen(line)-1);
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int idx = get_index(students, loaded, tmp);
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if(idx==-1){
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memcpy(students[loaded], tmp, strlen(tmp));
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loaded++;
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}
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}
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if(loaded==0){
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puts("Ziadne prihlasky");
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for(int i=0; i<SIZE; i++){
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free(students[i]);
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}
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return 0;
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}
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qsort(students, loaded, sizeof(char*), compare_func);
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puts("Prijati studenti:");
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for(int i=0; i<size; i++)
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puts(students[i]);
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if(size!=loaded){
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puts("Neprijati studenti:");
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for(int i=size; i<loaded; i++)
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puts(students[i]);
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}
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for(int i=0; i<SIZE; i++){
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free(students[i]);
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}
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return 0;
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}
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