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帮忙指错的有奖#include <iostream>
using namespace std;
int main ()
{
int t,i,p,len,j,sum;
char input[10];
cin>>t;
for (i=1;i<=t;++i)
{
sum=0;
cin>>input;
len=strlen(input)-1;
for (j=len;j>=0;--j)
{
if (input[j]=='?')
{
p=j;
}
else
{
if ((len-j)%3==0)
{ sum+=(input[j]-'0')*9; }
if ((len-j)%3==1)
{ sum+=(input[j]-'0')*3; }
if ((len-j)%3==2)
{ sum+=(input[j]-'0')*7; }
}
}
sum%=10;
if ((len-p)%3==0)
{
for (j=0;j<10;++j)
{
if (j*9%10+sum==10)
{
input[p]=j+'0';
}
}
}
if ((len-p)%3==1)
{
for (j=0;j<10;++j)
{
if (j*3%10+sum==10)
{
input[p]=j+'0';
}
}
}
if ((len-p)%3==2)
{
for (j=0;j<10;++j)
{
if (j*7%10+sum==10)
{
input[p]=j+'0';
}
}
}
cout<<"Scenario #"<<i<<":\n"<<input<<"\n"<<endl;
}
system("pause");
return 0;
}
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