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帮忙看看这个程序为啥一直WA啊,郁闷了#include<iostream>
#include<cstring>
using namespace std;
int main()
{
int n,b[10],i,j,k,t,len,x,z;
char d[10];
scanf("%d",&n);
for(i=1;i<=4;i++)
{
int sum=0,s;
scanf("%s",d);
len=strlen(d);
for(j=len-1;j>=0;j--)
{
if(d[j]>='0'&&d[j]<='9')
{
b[j]=d[j]-'0';
if((len-j)%3==1)
sum+=b[j]*9;
if((len-j)%3==2)
sum+=b[j]*3;
if((len-j)%3==0)
sum+=b[j]*7;
}
else
{
t=j;
if((len-j)%3==1)
z=9;
if((len-j)%3==2)
z=3;
if((len-j)%3==0)
z=7;
}
}
for(x=0;x<=9;x++)
{
s=sum;
s+=x*z;
if(s%10==0)
break;
}
cout<<"Scenario #"<<i<<":"<<endl;
for(k=0;k<len;k++)
{
if(k==t)
printf("%d",x);
else
printf("%d",b[k]);
}
cout<<endl<<endl<<endl;
}
return 0;
}
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