1573A
1573 A codeforces solution in cpp
by ujjal roy
#include<bits/stdc++.h>
using namespace std;
main()
{
int t,i,sum=0;
cin>>t;
while(t--)
{
sum=0;
int n;
cin>>n;
string s;
cin>>s;
for(i=0;i<s.size()-1;i++)
{
if(s[i]!='0') sum++;
sum+=s[i]-'0';
}
sum+=s[s.size()-1]-'0';
cout<<sum<<endl;
}
return 0;
}
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