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why wa????#include<iostream.h>
int main()
{
int a[493]={0};
int k=1;
for(long i=1;i<=200;i++)
{
if(i<10)
{a[k]=i;k++;}
else if(i>=10&&i<100)
{
a[k]=i/10;
k++;
a[k]=i-(i/10)*10;
k++;
}
else
{
a[k]=i/100;
k++;
a[k]=(i-(i/100)*100)/10;
k++;
a[k]=i-a[k-1]*10-a[k-2]*100;
k++;
}
}
int n;
cin>>n;
k=1;
// for(i=1;i<=492;i++)
// cout<<a[i]<<" ";
for(i=1;i<=490;i++)
{
if(n<10&&(n==a[i]))
{cout<<i<<endl;break;}
else if(n<100&&(n==a[i]*10+a[i+1]))
{cout<<i<<endl;break;}
else
if(n==a[i]*100+a[i+1]*10+a[i+2])
{cout<<i<<endl;break;}
}
return 0;
}
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