89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
#include<string.h>
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#include<stdio.h>
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#include<math.h>
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#include<stdlib.h>
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#define SIZE 100
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struct student {
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char name[SIZE];
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int votes;
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};
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int find_student(struct student* 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, name) == 0) {
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return i; //ak najde studenta
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}
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}
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printf("nenaslo studenta\n"); // ak nenajde studenta
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return -1;
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}
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int compare(const void* p1, const void* p2){
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const struct student* s1 = (const struct student*)p1;
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const struct student* s2 = (const struct student*)p2;
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return strcmp(s2->name, s1->name);
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}
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int main(){
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struct student databaza[SIZE];
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memset(databaza, 0, SIZE*sizeof(struct student)); //inicializujem pamat, vynulujem
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int size = 0;
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//nacitanie jednej polozky do databazy
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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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}
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//nacitanie celeho cisla, premiena kym nepride na znak ktory nieje cislo
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char* end = NULL;
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int value = strtol(line,&end,10);
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if (value == 0){
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}
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// pomocné pole
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char name[SIZE];
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// vynulujeme
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memset(name,0,SIZE);
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// Vypocitame zaciatok mena
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// Jedno miesto za medzerou
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char* start_name = end + 1; //urcenie zaciatku mena
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// Velkost mena je pocet znakov do konca retazca
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// minus koniec riadka
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int name_size = strlen(start_name) - 1; //urcenie konca mena
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if (name_size > 0){
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// nakopirujeme
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memcpy(name,start_name,name_size);
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// Na konci je v poli name ulozeny retazec s menom
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// bez konca riadka a s nulou na konci
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}
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else {
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printf( "nepodarilo sa nacitat meno \n");
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}
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//prejde vsetky polozky v databaze
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int id = find_student(databaza,size,name);
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if (id< 0){
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if (size < SIZE){
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memcpy(databaza[size].name,name,name_size);
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databaza[size].votes = value;
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size++;
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}
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else{
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printf("databaza je plna\n");
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}
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}
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else {
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databaza[id].votes = value;
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}
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return 0;
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} |