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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#190903 | #5137. Tower | bzw | WA | 9ms | 5104kb | C++11 | 959b | 2023-09-29 15:33:23 | 2023-09-29 15:33:23 |
Judging History
answer
// qwq
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
ll a[4000][555],b[555],c[4000];
ll calc(ll a,ll b){
ll div=0,ans=abs(a-b);
while(a>b)
div++,a>>=1,
ans=min(ans,abs(a-b)+div);
ans=min(ans,abs(a-b)+div);
return ans;
}
int main(){
int T;
cin>>T;
while(T--){
ll n,m,cc=0;
cin>>n>>m;m=n-m;
for(ll i=1;i<=n;i++){
cin>>b[i]; int t=b[i];
while(t)c[++cc]=t,t>>=1;
}
sort(c+1,c+cc+1);
cc=unique(c+1,c+cc+1)-c-1;
for(ll i=1;i<=cc;i++)
for(ll j=1;j<=n;j++)
a[i][j]=calc(b[j],c[i]);
ll ans=1e16;
for(ll i=1;i<=n;i++){
sort(a[i]+1,a[i]+n+1);
for(ll j=1;j<=n;j++)a[i][j]+=a[i][j-1];
for(ll j=m;j<=n;j++)
ans=min(ans,a[i][j]-a[i][j-m]);
}
cout<<ans<<'\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3420kb
input:
3 2 0 2 6 5 0 1 2 3 4 5 5 3 1 2 3 4 5
output:
2 4 1
result:
ok 3 number(s): "2 4 1"
Test #2:
score: -100
Wrong Answer
time: 9ms
memory: 5104kb
input:
10 272 118 11 14 49 94 71 62 46 45 74 22 15 36 7 37 27 35 96 85 75 78 76 64 23 59 17 35 71 28 96 82 5 66 2 48 57 31 88 10 61 73 79 23 19 52 39 76 48 98 5 39 48 51 90 90 60 27 47 24 24 56 48 27 39 21 38 18 20 9 62 83 47 15 51 22 73 74 7 80 64 60 86 74 59 7 84 38 99 31 42 60 52 41 63 88 59 90 77 40 68...
output:
0 0 0 108 0 0 0 0 0 0
result:
wrong answer 1st numbers differ - expected: '454', found: '0'