Submission

Score: 100

User: RandomPerson

Problemset: บวกเลขฐาน

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-12 21:02:52

#include <iostream>
using namespace std;
int main() {
    int x,c;
    char ans[10000]={0};
    string y,z;
    cin >> x >> y >> z;
    for (int i=0;y[i]!='\0';i++) {
        if (y[i]=='A') {
            y[i]=10;
        }
        else if (y[i]=='B') {
            y[i]=11;
        }
        else if (y[i]=='C') {
            y[i]=12;
        }
        else if (y[i]=='D') {
            y[i]=13;
        }
        else if (y[i]=='E') {
            y[i]=14;
        }
        else if (y[i]=='F') {
            y[i]=15;
        }
        else {
            y[i]-=48;
        }
    }
    for (int i=0;z[i]!='\0';i++) {
        if (z[i]=='A') {
            z[i]=10;
        }
        else if (z[i]=='B') {
            z[i]=11;
        }
        else if (z[i]=='C') {
            z[i]=12;
        }
        else if (z[i]=='D') {
            z[i]=13;
        }
        else if (z[i]=='E') {
            z[i]=14;
        }
        else if (z[i]=='F') {
            z[i]=15;
        }
        else {
            z[i]-=48;
        }
    }
    if (y.length()>=z.length()) {
        c=y.length();
    }
    else if (y.length()<z.length()) {
        c=z.length();
    }
    for (int i=0;i<c;i++) {
        int y1=0,z1=0;
        if(y.length()-1-i>=0)y1=y[y.length()-1-i];
        else y1=0;
        if(z.length()-1-i>=0)z1=z[z.length()-1-i];
        else z1=0;
        ans[c-i]+=y1+z1;
        if(ans[c-i]>=x){
            ans[c-i]-=x;
            ans[c-i-1]=1;
        }
    }
    for (int i=0;i<=c;i++){
        if(i==0 && ans[0]==0);
        else if(i==0) cout << 1;
        else{
            if (ans[i]<10)cout << int(ans[i]);
            else if (ans[i]==10){
                cout << 'A';
            }
            else if (ans[i]==11){
                cout << 'B';
            }
            else if (ans[i]==12){
                cout << 'C';
            }
            else if (ans[i]==13){
                cout << 'D';
            }
            else if (ans[i]==14){
                cout << 'E';
            }
            else {
                cout << 'F';
            }
        }
    }
    return 0;
}