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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#129216#6300. Best Carry Player 2kkioWA 1ms3780kbC++14981b2023-07-22 07:39:572023-07-22 07:40:00

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-07-22 07:40:00]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3780kb
  • [2023-07-22 07:39:57]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int inf=9e18;
int dp[20][20][2],a[20],len;
void solve()
{
    int x,K,c=1;
    len=0;
    cin>>x>>K;
    if(K==0)
    {
        int c=1;
        while(x%10==9)c*=10,x/=10;
        printf("%lld\n",c);
        return;
    }
    while(x%10==0)x/=10,c*=10;
    while(x){a[len++]=x%10,x/=10;}
    for(int i=0;i<20;i++)
        for(int j=0;j<20;j++)
            for(int k=0;k<2;k++)
                dp[i][j][k]=inf;
    dp[0][0][0]=0;
    for(int i=0,pw=1;i<=18;i++,pw*=10)
        for(int j=0;j<=K;j++)
            for(int k=0;k<=1;k++)
            if(dp[i][j][k]!=inf)
                for(int t=0;t<=9;t++)
                    dp[i+1][(t+a[i]+k)/10+j][(t+a[i]+k)/10]=min(dp[i+1][(t+a[i]+k)/10+j][(t+a[i]+k)/10],dp[i][j][k]+pw*t);
    int ans=dp[19][K][0];
    printf("%lld\n",max(ans*c,1ll));
}
signed main()
{
    int T;
    cin>>T;
    while(T--)solve();
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3780kb

input:

4
12345678 0
12345678 5
12345678 18
990099 5

output:

1
54322
999999999987654322
9910

result:

ok 4 lines

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 3600kb

input:

21
999990000099999 0
999990000099999 1
999990000099999 2
999990000099999 3
999990000099999 4
999990000099999 5
999990000099999 6
999990000099999 7
999990000099999 8
999990000099999 9
999990000099999 10
999990000099999 11
999990000099999 12
999990000099999 13
999990000099999 14
999990000099999 15
999...

output:

100000
10000
1000
100
10
1
900001
9900001
99900001
999900001
10000000001
9999910000
9999901000
9999900100
9999900010
9999900001
9000009999900001
99000009999900001
999000009999900001
4055430048555597824
1000000000000000000

result:

wrong answer 20th lines differ - expected: '99999999999999999900000000000000000', found: '4055430048555597824'