1395. Rounders

 

Time Limit: 1sec    Memory Limit:32MB

Description

For a given number, if greater than ten, round it to the nearest ten, then (if that result is greater than 100)
take the result and round it to the nearest hundred, then (if that result is greater than 1000) take that number
and round it to the nearest thousand, and so on ...

Input

Input to this problem will begin with a line containing a single integer n indicating the number of integers to
round. The next n lines each contain a single integer x (0 <= x <= 99999999).

Output

For each integer in the input, display the rounded integer on its own line.

Note: Round up on fives.

Sample Input

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91514459912345678444444451445446

Sample Output

20104510010000000500000002000500

   

#include <iostream>#include <cmath>using namespace std;int main(){int cases;cin>>cases;while(cases--){int a,duplicate,mark=1;cin>>a;if(a<=10){cout<<a<<endl;continue;}duplicate=a;while(true){int temp=duplicate%10,tens=pow(10.0,mark);;if(temp>=5) a=(a/tens+1)*tens;else a=(a/tens)*tens;//if(duplicate/10==0) break;duplicate=a;duplicate/=tens;if(duplicate/10==0) break;mark++;}cout<<a<<endl;}return 0;}