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#include <iostream> #include<algorithm> using namespace std; int main() { int q; cin >> q; for(int Q = 0; Q < q; Q++) { long long k; cin>>k; string n=""; long long m; m=k; int i=0; long long s=0; long long l=9; long long p=1; long long br=1; for(int j=1;j<=18;j++) { s=s+l*j; if(s>k) { s=s-l*j; break; } p=p*10; l=l*10; br++; } if(k == s) { cout << 9 << endl; continue; } k-=1; long long ost=(k-s)%br; p+=(k-s)/br; string x = ""; while(p>0) { x+=(p%10)+'0'; p/=10; } reverse(x.begin(), x.end()); if(ost==0) cout<<x[0] << endl; else cout<<x[ost] << endl; } return 0; }
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