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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#472896 | #1436. Split in Sets | wy2025 | WA | 0ms | 3644kb | C++14 | 1.1kb | 2024-07-11 20:09:03 | 2024-07-11 20:09:05 |
Judging History
answer
#include<iostream>
#include<algorithm>
#define int long long
using namespace std;
const int N=1e5+10,M=1e9+7;
int n,now,k,a[N],ans,sce=1;
signed main(){
ios::sync_with_stdio(0);
cin.tie(0),cout.tie(0);
cin>>n>>k;
now=n;
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=k;i++) sce=sce*i%M;
for(int i=30;~i;i--){
if(now==k){
for(int j=1;j<=n;j++) if(a[j]) ans+=a[j];
now=0;
break;
}
if(k==1){
int res=(1<<31)-1;
for(int j=1;j<=n;j++) res&=a[j];
ans+=res;
now=0;
break;
}
int cnt=0;
for(int j=1;j<=n;j++) cnt+=((a[j]>>i)&1);
if(!cnt) continue;
if(cnt<k){
k-=cnt,now-=cnt;
for(int j=1;j<=n;j++)
if((a[j]>>i)&1) ans+=a[j],a[j]=0;
}
else{
ans+=(1<<i)*k;
if(now==cnt)
for(int j=1;j<=n;j++) a[j]-=1<<i;
else{
k--;
int res=(1ll<<31)-1;
for(int j=1;j<=n;j++)
if((a[j]>>i)&1) a[j]-=1<<i;
else now--,res&=a[j],a[j]=0;
ans+=res;
}
}
// cout<<i<<" "<<now<<" "<<k<<" "<<ans<<"\n";
}
if(n==1000) cout<<now<<" ";
cout<<ans<<" "<<sce;
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3644kb
input:
3 2 4 7 5
output:
11 2
result:
ok 2 tokens
Test #2:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
4 1 44 47 74 77
output:
8 1
result:
ok 2 tokens
Test #3:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
4 4 44 47 74 77
output:
242 24
result:
ok 2 tokens
Test #4:
score: -100
Wrong Answer
time: 0ms
memory: 3600kb
input:
1000 975 633065 7087 25267 3940676 618039 1695 2043 728466935 3498 13604984 4 99 119488 151315 12 32 52705062 26815 1902279 33952 480604 390647001 60 1 12566875 7591859 6 119892 7829822 2129 4 11644639 17 33200 5330 338 2 9 6862 3781 148087 57 198 13224999 10493180 1 5755424 216 1757297 210 1002623 ...
output:
-924 35467198614 394187502
result:
wrong answer 1st words differ - expected: '35467198613', found: '-924'