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“Contoh Codingan (Toko Baju)dari Skyconnectiva/
source : http://a-l-g-o-r-i-t-m-a.blogspot.co.id/

#include
#include
#include
#include

struct Baju{
char kodeBaju[7];
char namaBaju[100];
int qty;
int hargaSatuan;
};

int initProgram(Baju baju[]){
FILE *file = fopen(“data.txt”, “r”);
int index = 0;
char tempHarga[100], tempQty[100];
while (!feof(file)){
fscanf(file, “%[^;];%[^;];%[^;];%[^\n]\n”, baju[index].kodeBaju, baju[index].namaBaju, tempQty, tempHarga);
baju[index].qty = atoi(tempQty);
baju[index].hargaSatuan = atoi(tempHarga);
index++;
}
fclose(file);
return index;
}

void generateTable(Baju baju[], int totalItem){
printf(“%-4s%-12s%-20s%-5s%-15s\n”, “No.”, “Code”, “Name”, “Qty”, “Price”);
printf(“============================================================\n”);
for (int i = 0; i < totalItem; i++)
printf(“%-4d%-12s%-20s%-5d%-15d\n”, (i + 1), baju[i].kodeBaju, baju[i].namaBaju, baju[i].qty, baju[i].hargaSatuan);
if(totalItem == 0) printf(“There is no data!”);
printf(“\n\n\n”);
}

char *generateCode(Baju baju[], int totalItem){
static char kode[10], kodeReturn[10];
int count;
strcpy(kode, baju[totalItem – 1].kodeBaju);
kode[0] = ‘0’; kode[1] = ‘0’;
count = atoi(kode) + 1;
if (count < 10) strcpy(kodeReturn, “JF00”);
else if (count < 100) strcpy(kodeReturn, “JF0”);
else if (count < 1000) strcpy(kodeReturn, “JF”);
itoa(count, kode, 10);
strcat(kodeReturn, kode);
return kodeReturn;
}

int checkCode(char key[], Baju baju[], int totalItem){
int left = 0, right = totalItem – 1, mid;
do{
mid = (left + right) / 2;
if (strcmp(baju[mid].kodeBaju, key) == 0) return mid;
else if (strcmp(baju[mid].kodeBaju, key) == -1) left = mid + 1;
else right = mid – 1;
} while (left<=right);
return -1;
}

void sort(Baju baju[], int left, int right, char by[], char option[]){
int i = left, j = right;
int pivotInt;
char pivotChar[100];
Baju tempBaju;
if (strcmp(by, “code”) == 0)strcpy(pivotChar, baju[(left + right) / 2].kodeBaju);
else if (strcmp(by, “name”) == 0)strcpy(pivotChar, baju[(left + right) / 2].namaBaju);
else if (strcmp(by, “qty”) == 0)pivotInt = baju[(left + right) / 2].qty;
else if (strcmp(by, “price”) == 0)pivotInt = baju[(left + right) / 2].hargaSatuan;
while (i <= j){
if (strcmp(by, “code”) == 0) { while (strcmp(baju[i].kodeBaju, pivotChar) 0) j–; }
else if (strcmp(by, “name”) == 0) { while (strcmp(baju[i].namaBaju, pivotChar) 0) j–; }
else if (strcmp(by, “qty”) == 0) { while (baju[i].qty pivotInt) j–; }
else if (strcmp(by, “price”) == 0) { while (baju[i].hargaSatuan pivotInt) j–; }
if (i <= j){
tempBaju = baju[i];
baju[i] = baju[j];
baju[j] = tempBaju;
i++; j–;
}
}
if (left < j) sort(baju, left, j, by, option);
if (i < right) sort(baju, i, right, by, option);
}

void saveData(Baju baju[], int totalItem){
FILE *file = fopen(“data.txt”, “w”);
for (int i = 0; i < totalItem; i++)
fprintf(file, “%s;%s;%d;%d\n”, baju[i].kodeBaju, baju[i].namaBaju, baju[i].qty, baju[i].hargaSatuan);
fclose(file);
}

int main(){
Baju baju[100];
int totalItem = initProgram(baju);
int choose, avail;
char tempCode[10], tempBy[10], tempSrt[10];
do{
system(“cls”);
printf(“\t\t\tJackForce Store\n\n”);
generateTable(baju, totalItem);
printf(“Menu\n”);
printf(“====\n”);
printf(“1. Add Item\n”);
printf(“2. Remove Item\n”);
printf(“3. Sort Item\n”);
printf(“4. Exit\n”);
printf(“\nInput menu : “);
scanf(“%d”, &choose); fflush(stdin);
switch (choose){
case 1:
sort(baju, 0, (totalItem-1), “code”, “asc”);
do{
printf(“Input your item’s name [3..20] : “);
gets(baju[totalItem].namaBaju);
} while (strlen(baju[totalItem].namaBaju)20);
do{
printf(“Input your item’s qty [1..1000] : “);
scanf(“%d”, &baju[totalItem].qty); fflush(stdin);
} while (baju[totalItem].qty1000);
do{
printf(“Input your item’s price [10000..1000000] : “);
scanf(“%d”, &baju[totalItem].hargaSatuan); fflush(stdin);
} while (baju[totalItem].hargaSatuan1000000);
strcpy(baju[totalItem].kodeBaju, generateCode(baju, totalItem));
totalItem++;
printf(“Success insert the new item!”);
getchar();
break;
case 2:
avail = -99;
do{
printf(“Input your item’s code [input ‘cancel’ to cancel] : “);
scanf(“%s”, tempCode); fflush(stdin);
if (strcmp(tempCode, “cancel”) != 0 && (avail = checkCode(tempCode, baju, totalItem)) == -1){
printf(“Can’t find the item that you mean.. Please check again the code.\n”);
getchar();
}
} while (strcmp(tempCode, “cancel”) != 0 && avail == -1);
if (avail != -99){
for (int i = avail + 1; i >= 1 && i < totalItem; i++){
baju[i-1] = baju[i];
}
totalItem -= 1;
printf(“Success delete an item!”);
getchar();
}
break;
case 3:
do{
printf(“Sort by [code/name/qty/price] : “);
scanf(“%s”, tempBy);
} while (strcmp(tempBy, “code”) != 0 && strcmp(tempBy, “name”) != 0 && strcmp(tempBy, “qty”) != 0
&& strcmp(tempBy, “price”) != 0);
sort(baju, 0, (totalItem-1), tempBy, “asc”);
printf(“The data has been sorted!”);
getchar();
break;
}
} while (choose != 4);
saveData(baju, totalItem);
printf(“Exit from the System.. Press Any Key to Continue…”);
getchar();
return 0;
}

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HACK PASSIONATELY

ACT RIGHTEOUSLY

THANKSSSSS

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