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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#94843 | #5658. Problem Setting | Purslane | 18.181818 | 264ms | 48856kb | C++14 | 1.4kb | 2023-04-07 23:14:47 | 2023-04-07 23:14:48 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define ffor(i,a,b) for(int i=(a);i<=(b);i++)
#define roff(i,a,b) for(int i=(a);i>=(b);i--)
using namespace std;
const int MAXN=1e5+10,MAXM=1050,MAXK=(1<<20)+10,MOD=1e9+7;
int Mx=1<<20,n,m,fuc[MAXK],inv[MAXK],val[MAXK],cnt[MAXK],wys[MAXK],dp[MAXM][MAXM],tmp[MAXM];
int qpow(int base,int p) {
int ans=1;
while(p) {
if(p&1) ans*=base,ans%=MOD;
base*=base,base%=MOD,p>>=1;
}
return ans;
}
int C(int u,int d) {
return fuc[d]*inv[u]%MOD*inv[d-u]%MOD;
}
signed main() {
ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
fuc[0]=1; ffor(i,1,Mx) fuc[i]=fuc[i-1]*i%MOD;
inv[Mx]=qpow(fuc[Mx],MOD-2);
roff(i,Mx-1,0) inv[i]=inv[i+1]*(i+1)%MOD;
cin>>n>>m;
ffor(i,1,m) {
string S; cin>>S; S="&"+S;
ffor(j,1,n) if(S[j]=='H') val[j]+=(1<<i-1);
}
ffor(i,1,n) cnt[val[i]]++;
ffor(i,0,Mx) ffor(j,1,cnt[i]) wys[i]=(wys[i]+C(j,cnt[i])*fuc[j]%MOD)%MOD;
int U=(1<<10)-1,ans=0;
ffor(i,0,U) tmp[i]=1;
ffor(i,0,U) {
ffor(j,0,U) dp[i][j]=wys[i*U+j]*tmp[j]%MOD;
ffor(j,0,U) {
int tot=0;
for(int k=j;k;k=(k-1)&j) tot=(tot+dp[i][k])%MOD;
tot=(tot-dp[i][j])%MOD;
tot=(tot+dp[i][0])%MOD;
tot=tot*wys[i*U+j]%MOD;
dp[i][j]=(dp[i][j]+tot)%MOD;
}
ffor(j,0,9) ffor(k,0,U-(1<<j)) if(!(k&(1<<j))) dp[i][k+(1<<j)]=(dp[i][k+(1<<j)]+dp[i][k])%MOD;
ffor(j,0,U) tmp[j]=(tmp[j]+dp[i][j])%MOD;
ans=(ans+dp[i][U])%MOD;
}
cout<<(ans%MOD+MOD)%MOD<<"\n";
return 0;
}
詳細信息
Test #1:
score: 4.54545
Accepted
time: 239ms
memory: 34312kb
input:
3 1 EHE
output:
9
result:
ok 1 number(s): "9"
Test #2:
score: 4.54545
Accepted
time: 244ms
memory: 32584kb
input:
10 6 EHEEEHHEEH EHHHEEHHHE EHEHEHEEHH HEHEEEHEEE HHEEHEEEHE EHHEEEEEHE
output:
33
result:
ok 1 number(s): "33"
Test #3:
score: 4.54545
Accepted
time: 236ms
memory: 35960kb
input:
99930 1 HHEEHEEHEEEEEHHEEEEHEEHEEEEHEEEEEEEEEEHEEHHHHHEEHEHHHEEHHHEHHHHEEHHEHHHHHHEHEEEHHHHEEHHHEHHEHHEEEEHHHHHEEEHHEHEEEHEEEEHEEHHHEHHHHEHHEEEEHEHEEEEEHEEHHEEHEHEHHEEHEEHHHHEHEEHHHEHEHHHEEEEHEEHEHEHEHHEHHEEHHEEHHEEHEHHEEHHEHEHHEHHHHHEHHHHEEEHHHHEEHEHHHEEEHHEHHEHEHHHEHHEEHEHHEEHEEEHHEHEEEHHHEEEEEHEE...
output:
958738013
result:
ok 1 number(s): "958738013"
Test #4:
score: 4.54545
Accepted
time: 235ms
memory: 33216kb
input:
100000 1 EEEHEHHHEEEEHHEEHHHHEHEEHEEHHEEHEEEEHEEHHEHHHHHHHEEHHHHEEEHEHHEEEEEEEEEHEEEEHEEEEHEHEEHEHHHEEEHHHEEHEEEEEEEEHEEEEHHHHEHHEHHHEEEHHHHHEHEHEHEHEHHHEHHEEEEEHHHHEHHEEHHEHHEHHEEHEEEHHEEHEEHEHHHEHHEHHHEHEHHEEHEHHHEEHHEHEEHHEEHHHHEEHHHHHEHEEHHEHHEHHEEEHEHEEEHHEHEHHEHEHEEEHHHEEHHEHEEHHEHHHHEEEHHHEHE...
output:
141886138
result:
ok 1 number(s): "141886138"
Test #5:
score: 0
Wrong Answer
time: 254ms
memory: 36616kb
input:
100000 16 EHEEEHEHHEEEEEHHHEHHHEEHHHHEHEHEEEHHEEHHEHEEHHEEEEEEHHEEHHEHHHHEHHEEEEHEEEEHHEHHEEEEEHHHEHEEHEHEEEHEHHHHEEHHEHHEHEHEEEEEHHEHHEEEHEEEHHHEHEEEHHEEHEHHEHHHEEHHHEHHEHEEHHEEEHHEHEHHHEHEEHHHHHEHHHEHHEEEEEHEEHEHHEHHHEHHHEHHHEHHHEEEEHHEHHEEHHHEEHHEEHHEHHEEEEEEHHHEHHEEEEHEHEHEEEHEHHEEHHEHHEHHEEHEHE...
output:
582224683
result:
wrong answer 1st numbers differ - expected: '550365804', found: '582224683'
Test #6:
score: 0
Wrong Answer
time: 240ms
memory: 33688kb
input:
100000 16 EHEHEHHEHEEEEEHEHHEHEEEHEEHHEEEEHHEEEHEEEHEEEEEEEHHHHEHEEHEEEHEEEEHHEEHHEEHHHEHEEHEEEEHEEEEEEEHEHHEEEHHHEHHHHHEEEEEHHEHEHHHHHHHHEEHEHHHHEHEHHEEEEHHHEHEEHEEEHEEEEHHHHHHEHEEHHEHHHEEEEHEEEHEHEEEHHEHHEHHHEHEEHHHEEEEHHHEEEEEEHEHEHEHEHHHEHHHHHHEHHEEEEEHHEHHHHHEEHEEHHHHHEHHHEEEHHEHEEHHHHHEEEEHEHH...
output:
774614272
result:
wrong answer 1st numbers differ - expected: '304783114', found: '774614272'
Test #7:
score: 0
Wrong Answer
time: 251ms
memory: 33200kb
input:
99913 16 HEHHHEEEHEEEEEEHHEEEHHEHEEEEEEHHHHEHEEHEEHHHHEEEHHEEHEHEHHHEHEHHEEHEEEEHEEHEHEHHEEHEHHHEHEHEHEEHEEHEEHHHEHHEEHEHHEHEEEEEEEEEEHHHHHHEEHHHHEEHEHEHHHHEEHEEHHHHEEEHEEHHHEEHHEHEHEEHHHHHEEEHHEEEEEEEEHEHHHEHHHHEHHHEHEEEEEEEEEEHEEEEEEHEEHEHEHHHEEEHHHEHEEHEEHHHEHEEEHHHEEEEHEHHEEHEEEHEHEHEHHHEEHHEEEH...
output:
957173428
result:
wrong answer 1st numbers differ - expected: '102498247', found: '957173428'
Test #8:
score: 0
Wrong Answer
time: 255ms
memory: 33236kb
input:
100000 16 EHEHEHEHHHHEHEHEHEEEHEEEEHEHEEHHEHHEEHHEHEHEHEEHEHEHHEEEHHEHHEHHEHEEHEHEHHEEEEEHHEEHEHHHEHHEHHEHHEHHEEHEHHHHHEHHHHEHEEEEHHHEHEHEEHHHHEEHHEHHHEHHEEHHEEHHEEEEEHEEHHEHEEHHEEHEEEEEHEHEEHEHHHHEHEEHEEEHHEEEEEHEHEEHEEEEEEHEEHEHEEEHEEEHEEHHHHEEHEHHEHEHEEHHHEHEHEHHHEEEHEEHEEEHEEEHHHEEEEEEEEEHEHEEEE...
output:
350933453
result:
wrong answer 1st numbers differ - expected: '52676620', found: '350933453'
Test #9:
score: 0
Wrong Answer
time: 231ms
memory: 38920kb
input:
99989 16 EEEHEHEEEHHEHHEHHEHEEHEHEHHEEHEEEEEHEHHEEEHEHEHEHEHHHEHEEEEHHHEHHHHEHHEEHEHHHEHHHHHHHEHEHHHEHEHEEHHEHEHHEEEHEHHEEEEEEEHEHHEEEEEHHHHHHEHHHEHEHHEHHHHHEHEHHHEEEEEEEHEHEEEEHEHEEHHHHEHEEHHHEEEEHEHEHHEHEHHEHEEHHHHEHHEHHEHHEEEEEHHHEEHHEHEEHEHEEHHHHEHHHHEEHEHEEEHEEEHHHHEHEEHHEHEHHHHEEHHHEHEHHEHEEHH...
output:
76653756
result:
wrong answer 1st numbers differ - expected: '901615554', found: '76653756'
Test #10:
score: 0
Wrong Answer
time: 256ms
memory: 34232kb
input:
100000 16 HHEHHEHEEHEHEEHEEEEHHHEEHHHHEEHEEHHHEHHHHEEHEEHEHHHHHHHHHHEHEHEEEEHEEEEEHHHEEHEHEEHEEEEEEHHHHEHEHEEHHHHHEEHEEHHHEEHEEHEEEEHEEEEHHHHHEEHHHHEEHHEEHHHEHEHHHHHHHEEEEEHHHEEHHHEEHEHHHEEHHEEEHHHHEHHEHEHEHEHEEHEEEHHHHHEHHEEEEHEEEHHHHEHEHEHHEEEEEHHEEHHHHEEEHEEHHHEEHHEEEEEEEHHHHHHEHHHHHEHEEHHHHHHHHH...
output:
410943047
result:
wrong answer 1st numbers differ - expected: '691375190', found: '410943047'
Test #11:
score: 0
Wrong Answer
time: 251ms
memory: 33396kb
input:
100000 16 EEHEHHEEHHEHEHHHEEHEHEHEEEEHHEEEHHEEHHHEEEEHEEHHHEEHHEEHEHEHHEEHEHHEEEHEEHHHEHEEHHEHEEHHHEHEEEEEHEEHHHHEEEEEEHHHEEHHEHHHEEHHEHHHEEEEEHHHHEHHHEHEEHEEHHEEHEHHHEHEHHHHHEHHEEEHEEHHEEHHEHEEEEHEEHHHEHEHHHEEEEHHHHEHEHEEEHEHHEHEHHHHEEEEHHHEEEHEHHEHHEHHEHEEEEHEHEHHEHHHHEEHHEHEHEHHEHEEEHHHHEEHHHHEHH...
output:
649060490
result:
wrong answer 1st numbers differ - expected: '543699219', found: '649060490'
Test #12:
score: 0
Wrong Answer
time: 259ms
memory: 38792kb
input:
99990 16 EEEEEHHHEEHHEEEHHEHEEHHHHHHHEHHEHEEEHEHEHEEHEHHEEHHEHHEEHEEEHHHHEHHHHEEHEHHHEEEEEEHEHEEEEEEHHHHHEEHEHEHHEHEHEEEHHHHHHEHHEEEEEEHEEHEHHHHHHEHEHHEHHHEEEEHEHEEHHEHEEHHHHHHEHEEHEEHHHEHHEHHEEHEHEHHEEHHHEHHHEHEHEHEEEEHHHHHEEHHEHHHHHHHEHEEHHEHEHEEEHEEHEHHHEEEHEEHHHEEHEEEHEEHEEHHHHEHHHHHEHEEHEHHEHHH...
output:
137126647
result:
wrong answer 1st numbers differ - expected: '128876794', found: '137126647'
Test #13:
score: 0
Wrong Answer
time: 255ms
memory: 33440kb
input:
99912 16 EHEEEEHHEEEHEHHEEHHEHEEEHHEHHEEEHEHEHHEHEEHEHHHEEEEHHHHEHHEEHEEHEHHHEEEHHEHHEHEEHEEEHHHEEEEEHHEEHEHHEEEHHHHEHHEEEHHHEHEHEEEEEHHHEEEHHEHEHHHHHEHHEEEHHHEEEHHEEEEHHEHEHHHHHHHEHEEEEHHEHEEEHEHEEEEHHHHEHEHEEEEHEHEEEEHHEHEEHEHHHHEHHHHEHHHEEHEEEHHEHHHHHHEHEEEEEHHHHEHEHHHEHHHHEEHEHHHEEEHEEEEHHEEEEEH...
output:
424402759
result:
wrong answer 1st numbers differ - expected: '334603270', found: '424402759'
Test #14:
score: 0
Wrong Answer
time: 239ms
memory: 33256kb
input:
100000 16 HHEEHHEEHHEHHEEEEHEHEHHEEHEEHHEHHHHEHHEEEEEHHEEHHEHEEHHEHHEEEHHEEHEEEHHEEEHHEHHHHHHHHEEEHHEHHEHHEEEHEEEEEEEEEHHEEHEHHEHHEEEHHEHEEHHHHHHEEEHHEEEEHHEEEEHHEEHHHEHHEEEHEEEEHEEEHHEHEHEHEEEHHHEEHEEHHHEEHHEEHEHEEEHEHEHHHEHHHEEHEEHEHHEEEHHHEEEHEHEHEEEHEHHEEEEEEHHHEHHEHHEEEHHHEEEHHEHEHEHEHHHHEEEHHH...
output:
381981170
result:
wrong answer 1st numbers differ - expected: '734499631', found: '381981170'
Test #15:
score: 0
Wrong Answer
time: 260ms
memory: 46816kb
input:
99985 20 HHEEHEHHEEHHEHEEHEEEHEEHHHEHEHHEHEHEHEHEHEEEHEEHHHEEEEHHEEHHHHEEEEEHHHEEEHHEHHEHEEHHEEHEEHEEHHHEHEHEHHHHEEHEEHEHHEEHEHHEHHEEHEEEHHEEHHEEEEEEEHEHEEHEEEEEHHEHEEHEHEHEEHHEEHEHHEEHEEEHHHEHEEHHEEHEHEHEHHEEEHHEEEEEEEEHEHHHHHHEEHEHHHHEEEEEEEEHHEHEHHHHHEEHEEHEEHHHEHEEEHHHHEHEHEHHEEHEHEEEEHHHHHHEEEH...
output:
872174985
result:
wrong answer 1st numbers differ - expected: '245101596', found: '872174985'
Test #16:
score: 0
Wrong Answer
time: 263ms
memory: 46840kb
input:
100000 20 HHEHHEEEHEEEEEEHHEEHEHHEHHHHEEEHHHEHHEHEEEEHHHHHHEHHHHHEHEHEHEEEHHEEEHEEHHEHEHHHEHEHEEEHHEEEHHEEHEHHEEHEEEHEHEEHHEEEEEHEEEEHHHHHHHHHHHEHHHHHHEEEHEHEHHEEEEHHHHEEHHEEHEHEHHHEHEEHHEEHEHHEHEEHHHHEEHHHEHHHHEEHHHHHEEEEEEEEEEHEEHEHHHHEEHEHEHHEEEEHHHHHEEEHHHHHHHHHHEEHEHEHEEHEEEHHHEEEEEHHEEEEHEEHHE...
output:
59754174
result:
wrong answer 1st numbers differ - expected: '908982675', found: '59754174'
Test #17:
score: 0
Wrong Answer
time: 236ms
memory: 47040kb
input:
99974 20 HHEEHEEEHEHEHEHEHHHEEHEEEHHHHEHHHHHHEHEHHHEEEHEEEHHHEHHEEEHEHEHEEHEHHEHHEEEEHEEHHHHEHEEHHEHHEEEHEEHEHEEEEHHEEEEHHHEHEEHEEHEEHEEHHHHHEHEEHEHEEHHEHHEEHEEHEEEHEHHHHHEEEEHEEHHHHEHHHHEHHEEEHEEHHHEHHEEEHHEHHEHHEEEEHHEHHEHEHHEHEEHHEEHEHEHEEEEEHEEEHEEEEHEHHHHHHHHHEHHHHEHHHEEHEHEHEEEHEHHHEHEHHHHHHHH...
output:
182565208
result:
wrong answer 1st numbers differ - expected: '774998253', found: '182565208'
Test #18:
score: 0
Wrong Answer
time: 257ms
memory: 46712kb
input:
99916 20 HEHHHHEHEHEHEHHHEHEEEHHEEEHEHHEEEHEEHEEHEEHEHHHHHHEHHEEEEEEEHHEEHEHHHEEEEEEHEHEHEEEHHHEHHHEHHEHHEEHHHEEHHHHHHEHEHHEHHEHHHHEHEEEHHHHEHEEEEEEEHEHHEHEEHEEEEHEHHHEEHEEEHEHEEEHHHEEEEEEHHHHHHHHHHHHEEEHHEHHEHHEEEHEEEEHHHEEEEHHHEEEEHEHEEHHEEEEHEEEHHEHEEHHEEEHEHEEEHEEHEEEHHHEHEHHEHEEEHHHEEEEEHHEHHEH...
output:
900567270
result:
wrong answer 1st numbers differ - expected: '392464568', found: '900567270'
Test #19:
score: 0
Wrong Answer
time: 264ms
memory: 46676kb
input:
100000 20 HEHEHEHEHEEEHHEHEHHHEHHEEEEEEHEEHHEEEHEHHHHEHHEHHHEHEHEHEEEEEHEEHHEHEEHHHHHEHEHEHEHHHHHHHHHEHEHEHHHHEEEHEEEHHEHEEHEHHHEHHHEHEEHHHEEEEHEHEHHEHEHEEHHEEHHHEEHEHHEHEHHEEHEHHHHEEEEHHEEHEEEEHHEEHHEHHEHEEHEEEEEHEHEHHHHEHHHHEHEHEHEEEHEEHEHHHHHHHEHHHHEEEEHHHEEEEHEHEHHEEEHHEEEHEHEHEEEEHEEHEEHHEEEEEE...
output:
91776533
result:
wrong answer 1st numbers differ - expected: '42780816', found: '91776533'
Test #20:
score: 0
Wrong Answer
time: 261ms
memory: 46884kb
input:
99908 20 HHEHHEEEHHHHHEHHHEEHHEHEHEHHHHEEEEEEHEEHHHHHEEEEEEEHEHEEHHEHEHEEEEHEEHEHEEEEHEHHHEHHEHHHEEHHHHEHEHHHEHHHEHHHEEHHHEEEEHEHEEEHHEEEEEHHEEHEHEEEHEEHEHHHEEHHHEHHHEEEEHEEEEHHEHEHEHHHHEHEEHEEHEHHHEEHHHHEHEHHHHHHHHEEEHHEHEHHHHEEHEHEHEHHHEEHEHEHEEHEEEHEHHEEHEEEEEHHHHEHEHHEHHHHHEHHHHEHEHEHEEHEEEEHHEE...
output:
989222884
result:
wrong answer 1st numbers differ - expected: '873687145', found: '989222884'
Test #21:
score: 0
Wrong Answer
time: 249ms
memory: 48856kb
input:
99923 20 EHEHEHHEHHEHEEEHEEHHHEHHHHHHHEEEEHEEHEHEEHEEEHEHEHHHEEHEEHHHHHEEHHHHEHEEEEHEEEHEEHEHHEHHEHEEHHEEEHHHHHEEEEHEEEHHHHHHHEEEEHHHEEEHHHEEHHHEEHHHHHHEHEHHEHEEEHHEHHHEEHHHHEHEEHHEEEHHEHEHHEHHEHEHHEEHHEHEHHEEEEHHEHHEHHEHHEHEEEEHEHEEHEHHHHEHHHEHEEEEHHHEHEEHEHEEEHHEEHEHHHHHEEHEHEEHHHHHEHHEHHHHEHHHHEE...
output:
607148709
result:
wrong answer 1st numbers differ - expected: '6819458', found: '607148709'
Test #22:
score: 0
Wrong Answer
time: 256ms
memory: 46768kb
input:
100000 20 EHEEHEHEHHEEEHHHEEEHEHHEHEHEHEHEEEHHEHEHEHEHEHEEHEEEHEEEHEEEEEEEHHEEHHHEEEHEEHHHEEHEHEEEEHHHEEEHEHHHEHHEEEEEEHHEEEEEEEEHHEEHHEHEEHHHEEHEEEEEHEHHHHHEEHHEEHEEHHEEHEHHHEEHEHEHEEEEEHHEEEHHHHEEHHEEHEEEEEEEEHHEHEEHEHHEEHHEHHHHHEEEHHEEEEEHHHHEHHHHEHHHHEEHEEHEHEEHHHHEEEEHHEEEHEHEHEEHHHHEEEHHHHEHEE...
output:
468252768
result:
wrong answer 1st numbers differ - expected: '778489093', found: '468252768'