Submission

Score: 100

User: mnmpyuuu

Problemset: บวกเลขฐาน

Language: c

Time: 0.002 second

Submitted On: 2025-10-10 22:59:07

#include<stdio.h>
#include<math.h>
#include<string.h>
int toten(int n,char a[])
{
    int sum=0;
    int m=strlen(a)-1;
    for(int i=0;i<=m;i++)
    {
        int x;
        if(a[i]>='A'&&a[i]<='F')
        {
            x=a[i]-'0'-7;
        }
        else
        {
            x=a[i]-'0';
        }
        sum=sum+(pow(n,m-i))*x;
    }
    return sum;

}

int main()
{
    int base;
    scanf("%d",&base);
    char a[100];
    char b[100];
    scanf("%s",a);
    scanf("%s",b);
    int x;
    x=toten(base,a);
    int y;
    y=toten(base,b);
    int sum=x+y;
    if(sum==0)
    {
        printf("0");
    }
    int m=sum,i=0;
    int r[100];
    while(m!=0)
    {
        r[i]=m%base;
        m=m/base;
        i++;
    }
    for(int j=i-1;j>=0;j--)
    {
        if(r[j]>=10)
        {
            printf("%c",r[j]-10+'A');
        }
        else
        {
            printf("%d",r[j]);
        }

    }

}