Submission #1750374

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main() {
    int A,B;
    cin >> A >> B;
    
    int sub1 = A - B;
    
    int Ah = A / 100;
    int At = A / 10 - 10 * Ah;
    int Ao = A - 100 * Ah - 10 * At;
    
    int Bh = B / 100;
    int Bt = B / 10 - 10 * Bh;
    int Bo = B - 100 * Bh - 10 * Bt;
    
    if(Ah != 9 || Bh != 1){
        int sub2 = (900 + 10 * At + Ao) - B;
        int sub3 = A - (100 + 10 * Bt + Bo);
        
        int temp = max(sub1 , sub2);
        int ans = max(temp , sub3);
        cout << ans << endl;
    }
    
    else if(At != 9 || Bt != 0){
        int sub2 = (100 * Ah + 90 + Ao) - B;
        int sub3 = A - (100 * Bh + Bo);
        
        int temp = max(sub1 , sub2);
        int ans = max(temp , sub3);
        cout << ans << endl;
    }
    
    else{
        int sub2 = (100 * Ah + 10 * At + 9) - B;
        int sub3 = A - (100 * Bh + 10 * Bt);
        
        int temp = max(sub1 , sub2);
        int ans = max(temp , sub3);
        cout << ans << endl;
    }
    return 0;
}

Submission Info

Judge Result