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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main(){
  5.  ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  6.  int t;cin>>t;
  7.  while(t--){
  8.   int n;cin>>n;
  9.   string s;cin>>s;
  10.   vector<int> dig(n,0);
  11.  
  12.   dig[0]=s[0]-'0';
  13.   for(int i=1;i<n;i++)
  14.    dig[i]=dig[i-1]+s[i]-'0';
  15.  
  16.   string ans="";
  17.   for(int i=n-1;i>0;i--){
  18.    ans=(char)((dig[i]%10)+'0')+ans;
  19.    dig[i-1]+=dig[i]/10;
  20.   }
  21.   while(dig[0]){
  22.   	ans=(char)((dig[0]%10)+'0')+ans;
  23.   	dig[0]/=10;
  24.   }
  25.   cout<<ans<<'\n';
  26.   }
  27.   return 0;
  28. }
Success #stdin #stdout 0.01s 5296KB
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https://ideone.com/12TS5U
language:
C++14 (clang 8.0)
created:
15 days ago
visibility:
public

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