OJ-Problems-Source/HDOJ/2785_autoAC.cpp

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C++
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#include<cstdio>
#include<cstring>
#include<math.h>
#include<iostream>
using namespace std;
int n;
struct acc{
int meb;
int bam;
double mo;
}arr[110];
int judge(int ac, int b){
int i;
for(i = 0; i < n; i++)
{
if(arr[i].meb == ac && arr[i].bam == b)
{
return i;
}
}
return -1;
}
int main()
{
int i;
char cao[100];
while(cin >> n)
{
if(n == 0)
{
cout << "goodbye" << endl;
break;
}
char s;
for(i = 0; i < n; i++)
{
scanf("%d%c%d%lf", &arr[i].meb, &s, &arr[i].bam, &arr[i].mo);
}
while(1){
scanf("%s", cao);
int l = strlen(cao);
if(strcmp(cao, "end") == 0)
break;
int ac, bank;
double money;
if(cao[0] == 'c')
{
scanf("%d%c%d", &ac, &s, &bank);
if(judge(ac, bank) == -1)
{
arr[n].meb = ac;
arr[n].bam = bank;
arr[n++].mo = 0.0;
cout << "create: ok" << endl;
}
else
{
cout << "create: already exists" << endl;
}
}
else if(cao[0] == 'd')
{
scanf("%d%c%d%lf", &ac, &s, &bank, &money);
int num = judge(ac, bank);
if(num == -1)
{
printf("deposit %.2lf: no such account\n", money);
}
else{
arr[num].mo += money;
printf("deposit %.2lf: ok\n", money);
}
}
else if(cao[0] == 'w')
{
scanf("%d%c%d%lf", &ac, &s, &bank, &money);
int num = judge(ac, bank);
if(num == -1){
printf("withdraw %.2lf: no such account\n", money);
}
else{
if(arr[num].mo < money)
{
printf("withdraw %.2lf: insufficient funds\n", money);
}
else{
arr[num].mo -= money;
printf("withdraw %.2lf: ok\n", money);
}
}
}
else if(cao[0] == 't')
{
int ac1, bank1;
char s1;
scanf("%d%c%d%d%c%d%lf", &ac, &s, &bank, &ac1, &s1, &bank1, &money);
int num = judge(ac, bank);
int num1 = judge(ac1, bank1);
if(num == -1 || num1 == -1){
printf("transfer %.2lf: no such account\n", money);
}
else{
if(arr[num].meb == arr[num1].meb && arr[num].bam == arr[num1].bam)
{
printf("transfer %.2lf: same account\n", money);
}
else if(arr[num].mo < money)
{
printf("transfer %.2lf: insufficient funds\n", money);
}
else{
arr[num].mo -= money;
arr[num1].mo += money;
if(arr[num].bam == arr[num1].bam)
{
printf("transfer %.2lf: ok\n", money);
}
else{
printf("transfer %.2lf: interbank\n", money);
}
}
}
}
}
cout << "end" << endl << endl;
}
return 0;
}