Submission #2531164


Source Code Expand

#include <bits/stdc++.h>
//#define int long long

using namespace std;
using LL = long long;
using P = pair<int, int>;

#define FOR(i, a, n) for(int i = (int)(a); i < (int)(n); ++i)
#define REP(i, n) FOR(i, 0, n)

#define pb(a) push_back(a)
#define all(x) (x).begin(),(x).end()

const int INF = (int)1e9;
const LL INFL = (LL)1e15;
const int MOD = 1e9 + 7;

int dy[]={0, 0, 1, -1, 0};
int dx[]={1, -1, 0, 0, 0};

/*************** using variables **************/
int a, b;
/**********************************************/

signed main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    cin >> a >> b;

    int ans = a-b;
    if((a/100)%10 != 9) ans = max(ans, a%100 + 900 - b);
    else if((a/10)%10 != 9) ans = max(ans, a%10 + 990 - b);
    else if(a%10 != 9) ans = max(ans, 999 - b);

    if((b/100)%10 != 1) ans = max(ans, a - (b%100 + 100));
    else if((b/10)%10 != 0) ans = max(ans, a - (b%10 + 100));
    else if(b%10 != 0) ans = max(ans, a - (100));
    
    cout << ans << endl;
}

Submission Info

Submission Time
Task A - A - B problem
User wheson
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1035 Byte
Status AC
Exec Time 3 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 3
AC × 45
Set Name Test Cases
Sample sample_0.txt, sample_1.txt, sample_2.txt
All ansneg_0.txt, ansneg_1.txt, ansneg_2.txt, ansneg_3.txt, ansneg_4.txt, ansneg_5.txt, ansneg_6.txt, ansneg_7.txt, ansneg_8.txt, ansneg_9.txt, handmade_0.txt, handmade_1.txt, random_0.txt, random_1.txt, random_2.txt, random_3.txt, random_4.txt, random_5.txt, random_6.txt, random_7.txt, random_8.txt, random_9.txt, sample_0.txt, sample_1.txt, sample_2.txt, top2fixed_0.txt, top2fixed_1.txt, top2fixed_2.txt, top2fixed_3.txt, top2fixed_4.txt, top2fixed_5.txt, top2fixed_6.txt, top2fixed_7.txt, top2fixed_8.txt, top2fixed_9.txt, topfixed_0.txt, topfixed_1.txt, topfixed_2.txt, topfixed_3.txt, topfixed_4.txt, topfixed_5.txt, topfixed_6.txt, topfixed_7.txt, topfixed_8.txt, topfixed_9.txt
Case Name Status Exec Time Memory
ansneg_0.txt AC 1 ms 256 KB
ansneg_1.txt AC 1 ms 256 KB
ansneg_2.txt AC 1 ms 256 KB
ansneg_3.txt AC 1 ms 256 KB
ansneg_4.txt AC 1 ms 256 KB
ansneg_5.txt AC 1 ms 256 KB
ansneg_6.txt AC 1 ms 256 KB
ansneg_7.txt AC 1 ms 256 KB
ansneg_8.txt AC 1 ms 256 KB
ansneg_9.txt AC 1 ms 256 KB
handmade_0.txt AC 1 ms 256 KB
handmade_1.txt AC 1 ms 256 KB
random_0.txt AC 1 ms 256 KB
random_1.txt AC 1 ms 256 KB
random_2.txt AC 1 ms 256 KB
random_3.txt AC 1 ms 256 KB
random_4.txt AC 1 ms 256 KB
random_5.txt AC 3 ms 256 KB
random_6.txt AC 1 ms 256 KB
random_7.txt AC 1 ms 256 KB
random_8.txt AC 1 ms 256 KB
random_9.txt AC 1 ms 256 KB
sample_0.txt AC 1 ms 256 KB
sample_1.txt AC 1 ms 256 KB
sample_2.txt AC 1 ms 256 KB
top2fixed_0.txt AC 1 ms 256 KB
top2fixed_1.txt AC 1 ms 256 KB
top2fixed_2.txt AC 1 ms 256 KB
top2fixed_3.txt AC 1 ms 256 KB
top2fixed_4.txt AC 1 ms 256 KB
top2fixed_5.txt AC 1 ms 256 KB
top2fixed_6.txt AC 1 ms 256 KB
top2fixed_7.txt AC 1 ms 256 KB
top2fixed_8.txt AC 1 ms 256 KB
top2fixed_9.txt AC 1 ms 256 KB
topfixed_0.txt AC 1 ms 256 KB
topfixed_1.txt AC 1 ms 256 KB
topfixed_2.txt AC 1 ms 256 KB
topfixed_3.txt AC 1 ms 256 KB
topfixed_4.txt AC 1 ms 256 KB
topfixed_5.txt AC 1 ms 256 KB
topfixed_6.txt AC 1 ms 256 KB
topfixed_7.txt AC 1 ms 256 KB
topfixed_8.txt AC 1 ms 256 KB
topfixed_9.txt AC 1 ms 256 KB