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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#327604 | #8228. 排序 | NATURAL6 | 100 ✓ | 1666ms | 12140kb | C++14 | 1.6kb | 2024-02-15 11:17:12 | 2024-02-15 11:17:14 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define mod 1000000007
inline int qread()
{
int a=0,f=1;char ch=getchar();
while(!isdigit(ch)){if(ch=='-')f=-1;ch=getchar();}
while(isdigit(ch)){(a*=10)+=(ch^48);ch=getchar();}
return a*f;
}
int n,m,d[20],mp[20][20],pos[20][40],cnt[20],cl[20],S,s,del,siz[20];
pair<int,int>dp[2000010];
inline int get_pos(int id,int rk,int sz){return mp[id][rk]&((1<<min(30,sz*d[id]))-1);}
int main()
{
n=qread(),m=qread();
for(int i=1;i<=m;++i)
{
d[i]=qread();
for(int j=0;j<n;++j)mp[i][j%d[i]]|=(1<<j);
}
for(int i=0;i<n;++i)pos[i%d[1]][cnt[i%d[1]]++]=i;
cl[0]=dp[0].first=1;
for(int i=0;i<d[1];++i)cl[i+1]=cl[i]*(cnt[i]+1),dp[0].second+=cnt[i]*(cnt[i]-1)>>1;
for(int i=0;i<=cl[d[1]]-2;++i)
{
S=0;
for(int j=0;j<d[1];++j)S|=get_pos(1,j,siz[j]=i/cl[j]%(cnt[j]+1));
for(int j=0,p;j<d[1];++j)if(cnt[j]^siz[j])
{
del=0,s=S;p=pos[j][siz[j]];
for(int k=2,tp,rk;k<=m;++k)
{
tp=s;s=0;rk=p%d[k];
del+=__builtin_popcount((tp&mp[k][rk])>>p);
p=rk+__builtin_popcount(tp&mp[k][rk])*d[k];
for(int l=0;l<d[k];++l)s|=get_pos(k,l,__builtin_popcount(tp&mp[k][l]));
}
if(dp[i].second+del>dp[i+cl[j]].second)dp[i+cl[j]]=make_pair(dp[i].first,dp[i].second+del);
else if(dp[i].second+del==dp[i+cl[j]].second)(dp[i+cl[j]].first+=dp[i].first)%=mod;
}
}
printf("%d %d\n",dp[cl[d[1]]-1].second,dp[cl[d[1]]-1].first);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 18
Accepted
Test #1:
score: 18
Accepted
time: 1ms
memory: 3988kb
input:
2 2 2 1
output:
1 1
result:
ok 2 number(s): "1 1"
Test #2:
score: 0
Accepted
time: 0ms
memory: 4064kb
input:
5 4 5 4 2 1
output:
6 4
result:
ok 2 number(s): "6 4"
Test #3:
score: 0
Accepted
time: 1ms
memory: 3716kb
input:
8 4 6 3 2 1
output:
15 4
result:
ok 2 number(s): "15 4"
Test #4:
score: 0
Accepted
time: 1ms
memory: 3788kb
input:
8 6 8 7 5 4 2 1
output:
14 2
result:
ok 2 number(s): "14 2"
Test #5:
score: 0
Accepted
time: 1ms
memory: 3768kb
input:
8 3 8 7 1
output:
22 7
result:
ok 2 number(s): "22 7"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3732kb
input:
8 1 1
output:
28 1
result:
ok 2 number(s): "28 1"
Subtask #2:
score: 27
Accepted
Dependency #1:
100%
Accepted
Test #7:
score: 27
Accepted
time: 0ms
memory: 3732kb
input:
16 2 6 1
output:
77 15
result:
ok 2 number(s): "77 15"
Test #8:
score: 0
Accepted
time: 13ms
memory: 4080kb
input:
16 8 10 9 8 7 6 5 4 1
output:
57 5
result:
ok 2 number(s): "57 5"
Test #9:
score: 0
Accepted
time: 16ms
memory: 3812kb
input:
16 10 10 9 8 7 6 5 4 3 2 1
output:
57 3
result:
ok 2 number(s): "57 3"
Test #10:
score: 0
Accepted
time: 11ms
memory: 3804kb
input:
16 7 10 9 8 6 5 4 1
output:
49 1
result:
ok 2 number(s): "49 1"
Test #11:
score: 0
Accepted
time: 2ms
memory: 3820kb
input:
16 4 7 6 2 1
output:
52 9
result:
ok 2 number(s): "52 9"
Subtask #3:
score: 21
Accepted
Dependency #2:
100%
Accepted
Test #12:
score: 21
Accepted
time: 1ms
memory: 3704kb
input:
22 3 5 3 1
output:
100 1
result:
ok 2 number(s): "100 1"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3652kb
input:
22 1 1
output:
231 1
result:
ok 2 number(s): "231 1"
Test #14:
score: 0
Accepted
time: 52ms
memory: 4544kb
input:
22 4 10 8 3 1
output:
97 4
result:
ok 2 number(s): "97 4"
Test #15:
score: 0
Accepted
time: 69ms
memory: 4612kb
input:
22 5 10 7 6 3 1
output:
92 70
result:
ok 2 number(s): "92 70"
Test #16:
score: 0
Accepted
time: 92ms
memory: 4808kb
input:
22 6 10 9 8 7 3 1
output:
97 1
result:
ok 2 number(s): "97 1"
Test #17:
score: 0
Accepted
time: 153ms
memory: 4532kb
input:
22 10 10 9 8 7 6 5 4 3 2 1
output:
109 1
result:
ok 2 number(s): "109 1"
Subtask #4:
score: 10
Accepted
Test #18:
score: 10
Accepted
time: 2ms
memory: 3812kb
input:
14 2 10 1
output:
61 210
result:
ok 2 number(s): "61 210"
Test #19:
score: 0
Accepted
time: 0ms
memory: 3712kb
input:
18 2 2 1
output:
117 1
result:
ok 2 number(s): "117 1"
Test #20:
score: 0
Accepted
time: 78ms
memory: 7788kb
input:
30 2 9 1
output:
264 84
result:
ok 2 number(s): "264 84"
Test #21:
score: 0
Accepted
time: 67ms
memory: 6968kb
input:
29 2 9 1
output:
253 36
result:
ok 2 number(s): "253 36"
Test #22:
score: 0
Accepted
time: 12ms
memory: 4312kb
input:
25 2 8 1
output:
195 8
result:
ok 2 number(s): "195 8"
Subtask #5:
score: 24
Accepted
Dependency #1:
100%
Accepted
Dependency #2:
100%
Accepted
Dependency #3:
100%
Accepted
Dependency #4:
100%
Accepted
Test #23:
score: 24
Accepted
time: 608ms
memory: 11956kb
input:
30 4 10 9 5 1
output:
188 40
result:
ok 2 number(s): "188 40"
Test #24:
score: 0
Accepted
time: 1574ms
memory: 11864kb
input:
30 9 10 9 8 7 6 5 4 3 1
output:
184 6
result:
ok 2 number(s): "184 6"
Test #25:
score: 0
Accepted
time: 1314ms
memory: 11904kb
input:
30 8 10 9 8 7 4 3 2 1
output:
154 1
result:
ok 2 number(s): "154 1"
Test #26:
score: 0
Accepted
time: 1300ms
memory: 11904kb
input:
30 8 10 8 7 6 5 4 3 1
output:
155 1
result:
ok 2 number(s): "155 1"
Test #27:
score: 0
Accepted
time: 898ms
memory: 12140kb
input:
30 6 10 8 6 4 3 1
output:
150 4
result:
ok 2 number(s): "150 4"
Test #28:
score: 0
Accepted
time: 1666ms
memory: 11984kb
input:
30 10 10 9 8 7 6 5 4 3 2 1
output:
184 6
result:
ok 2 number(s): "184 6"
Test #29:
score: 0
Accepted
time: 713ms
memory: 9856kb
input:
29 6 10 9 7 5 3 1
output:
129 200
result:
ok 2 number(s): "129 200"
Extra Test:
score: 0
Extra Test Passed