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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#128776#6300. Best Carry Player 2c20230201TL 2ms3524kbC++141.1kb2023-07-21 15:43:532023-07-21 15:58:00

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.
  • [2023-07-21 15:58:00]
  • 评测
  • 测评结果:TL
  • 用时:2ms
  • 内存:3524kb
  • [2023-07-21 15:43:53]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
const __int128 inf=1e36;

ll v,k,tot;
__int128 a[40], dp[40][40][2], pw[40];

__int128 dfs(__int128 x,__int128 num,__int128 hav) {
	if(x==0) {
		if(num==k&&hav==0) return 0;
		return inf;
	}
	if(dp[x][num][hav]>=0) return dp[x][num][hav];
	__int128 res=inf;
	for(__int128 hav2=0;hav2<2;hav2++) {
		for(__int128 i=0;i<10;i++) {
			if(i+a[x-1]+hav2>=hav*10&&i+a[x-1]+hav2<hav*10+10) {
				res=min(res,(__int128) dfs(x-1,num+hav,hav2)+i*pw[x-1]);
			}
		}
	}
	return dp[x][num][hav]=res;
}

void pt(__int128 x) {
	stack<int> q;
	while(x) q.push(x%10), x/=10;
	while(q.size()) cout<<q.top(), q.pop(); cout<<'\n';
	return ;
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);
	ll t; cin>>t;
	pw[0]=1;
	for(ll i=1;i<36;i++) pw[i]=pw[i-1]*10;
	while(t--) {
		memset(dp,-1,sizeof(dp));
		cin>>v>>k;
		tot=0;
		while(v) a[tot++]=v%10, v/=10;
		if(k==0) {
			for(ll i=0;i<=tot;i++) {
				if(a[i]<9) {
					__int128 ans=pw[i];
					pt(ans);
					break;
				}
			}
		}else pt(dfs(36,0,0));
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3520kb

input:

4
12345678 0
12345678 5
12345678 18
990099 5

output:

1
54322
999999999987654322
9910

result:

ok 4 lines

Test #2:

score: 0
Accepted
time: 2ms
memory: 3524kb

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
99999999999999999900000000000000000
1000000000000000000

result:

ok 21 lines

Test #3:

score: -100
Time Limit Exceeded

input:

100000
119111011091190000 10
1911011191011999 16
110099199000119 0
19009911191091011 13
199090909919000900 17
19009010011919110 5
90910190019900091 18
10911100000101111 1
110090011101119990 4
100909999119090000 12
90901119109011100 2
111010119991090101 4
900991019109199009 5
100919919990991119 8
911...

output:

88988908810000
8088988808988001
10
88808908989
9800909090080999100
80890
809089809980099909
9
80010
9090000880910000
8900
9909
991
9008900
8880880090
8080090801
8009900808909899
80880898981
909
8800909
99988889901
89908888089
880908890980099000
100
9889801
81
808890008099900891
880990801
9998099
890...

result: