80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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int main()
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{
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setbuf(stdout, NULL);
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int con;
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con = 0;
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int account_balance = 1100;
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while(con == 0){
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printf("Welcome to the flag exchange\n");
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printf("We sell flags\n");
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printf("\n1. Check Account Balance\n");
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printf("\n2. Buy Flags\n");
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printf("\n3. Exit\n");
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int menu;
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printf("\n Enter a menu selection\n");
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fflush(stdin);
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scanf("%d", &menu);
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if(menu == 1){
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printf("\n\n\n Balance: %d \n\n\n", account_balance);
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}
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else if(menu == 2){
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printf("Currently for sale\n");
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printf("1. Defintely not the flag Flag\n");
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printf("2. 1337 Flag\n");
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int auction_choice;
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fflush(stdin);
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scanf("%d", &auction_choice);
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if(auction_choice == 1){
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printf("These knockoff Flags cost 900 each, enter desired quantity\n");
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int number_flags = 0;
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fflush(stdin);
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scanf("%d", &number_flags);
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if(number_flags > 0){
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int total_cost = 0;
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total_cost = 900*number_flags;
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printf("\nThe final cost is: %d\n", total_cost);
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if(total_cost <= account_balance){
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account_balance = account_balance - total_cost;
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printf("\nYour current balance after transaction: %d\n\n", account_balance);
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}
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else{
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printf("Not enough funds to complete purchase\n");
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}
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}
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}
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else if(auction_choice == 2){
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printf("1337 flags cost 100000 dollars, and we only have 1 in stock\n");
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printf("Enter 1 to buy one");
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int bid = 0;
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fflush(stdin);
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scanf("%d", &bid);
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if(bid == 1){
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if(account_balance > 100000){
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FILE *f = fopen("flag.txt", "r");
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if(f == NULL){
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printf("flag not found: please run this on the server\n");
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exit(0);
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}
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char buf[64];
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fgets(buf, 63, f);
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printf("YOUR FLAG IS: %s\n", buf);
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}
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else{
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printf("\nNot enough funds for transaction\n\n\n");
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}}
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}
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}
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else{
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con = 1;
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}
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}
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return 0;
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}
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