Minimum Coins CodeChef Solution

Problem – Minimum Coins CodeChef Solution

There are only 2 type of denominations in Chefland:

  • Coins worth 1 rupee each
  • Notes worth 10 rupees each

Chef wants to pay his friend exactly X rupees. What is the minimum number of coins Chef needs to pay exactly X rupees?

Input Format

  • The first line of input will contain a single integer T, denoting the number of test cases.
  • Each test case consists of a single line of input containing a single integer X.

Output Format

For each test case, output on a new line the minimum number of coins Chef needs to pay exactly X rupees.

Constraints

  • 1≤T≤1000
  • 1≤X≤1000

Sample 1:

Input: 4
53
100
9
11
Output: 3
0
9
1

Explanation:

Test case 1: Chef can use 5 notes and 3 coins in the optimal case.

Test case 2: Chef can use 10 notes and 0 coins in the optimal case.

Test case 3: Chef can only use 9 coins.

Test case 4: Chef can use 1 note and 1 coin in the optimal case.

Minimum Coins CodeChef Solution in C++17

#include <iostream>
using namespace std;

int main() {
	int t,x;
	cin>>t;
	while(t--){
	    cin>>x;
	    if(x<10)
	    cout<<x<<endl;
	    else
	    cout<<x%10<<endl;
	}
	return 0;
}

Minimum Coins CodeChef Solution in Pyth 3

t = int(input())
for _ in range(t):
    a = int(input())
    print(a%10)

Minimum Coins CodeChef Solution in Java

import java.util.*;
import java.lang.*;
import java.io.*;

class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
	Scanner s=new Scanner(System.in);
    int T=s.nextInt();
    while(T-->0)
      {
        int x=s.nextInt();
        System.out.println(x%10); 
      }
	}
}
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