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哪位高手帮我看看,到底是哪出了问题,交的时候总是WA。Why????#include <iostream>
using namespace std;
char arr[110][110];
char str[110];
int g=1,sum=1;
void visit()
{
scanf("%s",arr[g]);
puts(arr[g]);
g++;
sum=g;
}
void backstack()
{
if(g-1==0)
{
printf("Ignored\n");
return;
}
else{
g--;
puts(arr[g-1]);
}
}
void forwardstack()
{
if(g>=sum)
{
printf("Ignored\n");
return ;
}
else{
puts(arr[g]);
g++;
}
}
int main()
{
while(1)
{
scanf("%s",str);
if(str[0]=='Q')
break;
char arry[]="http://wwww.acm.org/";
strcpy(arr[0],arry);
switch(str[0])
{
case 'V':visit();
break;
case 'B':backstack();
break;
case 'F':forwardstack();
break;
}
}
return 0;
}
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