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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#545667 | #6300. Best Carry Player 2 | Tolret# | WA | 0ms | 3776kb | C++20 | 2.5kb | 2024-09-03 16:02:23 | 2024-09-03 16:02:24 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define Pa pair<int,int>
using namespace std;
const int N=100+10;
const __int128 inf=1e20;
int a[N];
int cnt[N];
__int128 dp[N][N][2];
__int128 pw[N];
void init(){
pw[1]=1;
for(int i=2;i<=18;i++){
pw[i]=pw[i-1]*10;
}
}
void print(int x){
if(x>=10){
print(x/10);
}
cout<<x%10;
}
void chmin(__int128 &a, __int128 b) {
a=min(a,b);
}
void solve(){
// print(1);
// return;
int x,k,n=0;cin>>x>>k;
if(k==0){
int ans=1;
while(x){
if(x%10!=9){
print(ans);
cout<<'\n';
return;
}
ans*=10;
x/=10;
}
print(ans);
cout<<'\n';
return;
}
for(int i=0;i<=18;i++){
for(int j=0;j<=k;j++){
dp[i][j][0]=dp[i][j][1]=inf;
}
}
for(int i=0;i<=18;i++){
dp[i][0][0]=0;
}
int now=0;
int sum=0;
int cnt=0;
bool flag=0;
while(x){
a[++n]=x%10;
x/=10;
if(a[n]!=0){
flag=1;
}
if(!flag){
cnt++;
--n;
}
}
__int128 ans=inf;
for(int i=1;i<=18;i++){
if(a[i]==9){
for(int j=0;j<=k;j++){
dp[i][j][0]=dp[i-1][j][0];
}
for(int j=1;j<=k;j++){
dp[i][j][1]=dp[i-1][j-1][1];
}
for(int j=1;j<=k;j++){
chmin(dp[i][j][1],dp[i-1][j-1][0]+pw[i]);
}
}
else if(a[i]==0){
for(int j=0;j<=k;j++){
dp[i][j][0]=dp[i-1][j][0];
chmin(dp[i][j][0],dp[i-1][j][1]);
}
for(int j=1;j<=k;j++){
dp[i][j][1]=dp[i-1][j-1][1]+pw[i]*9;
}
}
else{
for(int j=0;j<=k;j++){
dp[i][j][0]=dp[i-1][j][0];
chmin(dp[i][j][0],dp[i-1][j][1]);
chmin(dp[i][j][1],dp[i-1][j-1][0]+pw[i]*(10-a[i]));
chmin(dp[i][j][1],dp[i-1][j-1][1]+pw[i]*(9-a[i]));
}
}
ans=min({ans,dp[i][k][0]});
if(a[i+1]!=9){
ans=min({ans,dp[i][k][1]});
}
}
print(ans);
for(int i=1;i<=cnt;i++)cout<<0;
cout<<'\n';
}
signed main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int T=1;cin>>T;
init();
while(T--)solve();
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3724kb
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: 0ms
memory: 3776kb
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 99900000999990000900000000000000000 1000000000000000000
result:
wrong answer 20th lines differ - expected: '99999999999999999900000000000000000', found: '99900000999990000900000000000000000'