PAT B Zhenti 1012.D hex A + B

PAT B Zhenti 1012.D hex A + B

Title Description

Enter two non-negative decimal integers A and B (<= 230-1), the output A + D B (1 <D <= 10) Number of decimal.

Input Format

A given integer input successively three in a row, B and D.

Output Format

Output A + D B of the hexadecimal number.

SAMPLE INPUT

123 456 8

Sample Output

1103

Topic ideas

#include<bits/stdc++.h>
#define ll long long int
using namespace std;

int main()
{
    ll a,b;
    int d;
    scanf("%lld%lld%d",&a,&b,&d);
    a += b;
    if(a==0)
    {
        printf("0");
    }
    else
    {
        stack<int> s;
        while(a/d)
        {
            s.push(a%d);
            a/=d;
        }
        s.push(a);
        while(!s.empty())
        {
            printf("%d",s.top());
            s.pop();
        }
    }
    return 0;
}