QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#305169 | #8010. Hierarchies of Judges | zhouhuanyi | AC ✓ | 2597ms | 135832kb | C++20 | 4.6kb | 2024-01-14 19:48:54 | 2024-01-14 19:48:54 |
Judging History
answer
#include<iostream>
#include<cstdio>
#define N 200000
#define Z 19
#define M 524288
#define g 3
#define mod 998244353
using namespace std;
int read()
{
char c=0;
int sum=0;
while (c<'0'||c>'9') c=getchar();
while ('0'<=c&&c<='9') sum=sum*10+c-'0',c=getchar();
return sum;
}
int MD(int x)
{
return x>=mod?x-mod:x;
}
int MD2(int x)
{
return x<0?x+mod:x;
}
void Adder(int &x,int d)
{
x+=d;
if (x>=mod) x-=mod;
return;
}
void Adder2(int &x,int d)
{
x+=d;
if (x<0) x+=mod;
return;
}
int n,sz,length,rev[M+1],num[M+1],fac[N+1],invfac[N+1],inv[N+1],dp[N+1],dp2[N+1],F[N+1],G[N+1],H[N+1],W[N+1],K[N+1],R[N+1],S[N+1],s1[M+1],s2[M+1],s3[M+1],s4[M+1],s5[M+1],s6[M+1],s7[M+1],s8[M+1],s9[M+1],s10[M+1],s11[M+1],s12[M+1],s13[M+1],s14[M+1],s15[M+1],s16[M+1],s17[M+1],s18[M+1],s19[M+1],wn[Z+1][M+1],wn2[Z+1][M+1];
int fast_pow(int a,int b)
{
int res=1,mul=a;
while (b)
{
if (b&1) res=1ll*res*mul%mod;
mul=1ll*mul*mul%mod,b>>=1;
}
return res;
}
void NTT(int limit,int *s,int type)
{
int s1,s2;
for (int i=1;i<limit;++i) rev[i]=(rev[i>>1]>>1)|((i&1)?limit>>1:0);
for (int i=1;i<limit;++i)
if (rev[i]>i)
swap(s[i],s[rev[i]]);
if (type==1)
{
for (int i=2;i<=limit;i<<=1)
for (int j=0;j+i-1<limit;j+=i)
for (int k=j;k<j+(i>>1);++k)
s1=s[k],s2=1ll*s[k+(i>>1)]*wn[num[i]][k-j]%mod,s[k]=MD(s1+s2),s[k+(i>>1)]=MD2(s1-s2);
}
else
{
for (int i=2;i<=limit;i<<=1)
for (int j=0;j+i-1<limit;j+=i)
for (int k=j;k<j+(i>>1);++k)
s1=s[k],s2=1ll*s[k+(i>>1)]*wn2[num[i]][k-j]%mod,s[k]=MD(s1+s2),s[k+(i>>1)]=MD2(s1-s2);
s1=fast_pow(limit,mod-2);
for (int i=0;i<=limit;++i) s[i]=1ll*s[i]*s1%mod;
}
return;
}
void solve(int l,int r)
{
if (l==r)
{
Adder(F[l],MD2(W[l-1]-S[l-1])),Adder(G[l],MD2(W[l-1]-K[l-1])),W[l]=1ll*W[l]*inv[l]%mod,K[l]=1ll*K[l]*inv[l]%mod,Adder(W[l],F[l]),Adder(K[l],H[l]),Adder(S[l],R[l]);
return;
}
int mid=(l+r)>>1;
solve(l,mid);
int limit=1;
while (limit<=min(sz,r-l)+mid-l) limit<<=1;
for (int i=0;i<=limit;++i) s1[i]=s2[i]=s3[i]=s4[i]=s5[i]=s6[i]=s7[i]=s8[i]=s9[i]=s10[i]=s11[i]=s12[i]=s13[i]=s14[i]=0;
for (int i=l;i<=mid;++i) s1[i-l]=F[i],s2[i-l]=G[i],s3[i-l]=1ll*F[i]*i%mod,s4[i-l]=1ll*H[i]*i%mod,s5[i-l]=W[i],s6[i-l]=K[i],s7[i-l]=R[i];
for (int i=0;i<=min(sz,r-l);++i) s8[i]=F[i],s9[i]=G[i],s10[i]=1ll*F[i]*i%mod,s11[i]=1ll*H[i]*i%mod,s12[i]=W[i],s13[i]=K[i],s14[i]=R[i];
NTT(limit,s1,1),NTT(limit,s2,1),NTT(limit,s3,1),NTT(limit,s4,1),NTT(limit,s5,1),NTT(limit,s6,1),NTT(limit,s7,1),NTT(limit,s8,1),NTT(limit,s9,1),NTT(limit,s10,1),NTT(limit,s11,1),NTT(limit,s12,1),NTT(limit,s13,1),NTT(limit,s14,1);
for (int i=0;i<=limit;++i) s15[i]=MD(1ll*s1[i]*s9[i]%mod+1ll*s8[i]*s2[i]%mod),s16[i]=2ll*s2[i]*s9[i]%mod,s17[i]=MD(1ll*s3[i]*s12[i]%mod+1ll*s10[i]*s5[i]%mod),s18[i]=MD(1ll*s4[i]*s13[i]%mod+1ll*s11[i]*s6[i]%mod),s19[i]=MD(1ll*s6[i]*s14[i]%mod+1ll*s13[i]*s7[i]%mod);
NTT(limit,s15,-1),NTT(limit,s16,-1),NTT(limit,s17,-1),NTT(limit,s18,-1),NTT(limit,s19,-1);
for (int i=mid+1;i<=r;++i) Adder(F[i],s15[i-l]),Adder(G[i],s16[i-l]),Adder(H[i],s15[i-l]),Adder(W[i],s17[i-l]),Adder(K[i],s18[i-l]),Adder(R[i],s16[i-l]),Adder(S[i],s19[i-l]);
solve(mid+1,r);
return;
}
void calc(int x)
{
if (x==1)
{
F[x]=W[x]=1;
return;
}
int limit=1;
calc((x+1)>>1);
while (limit<=x+1) limit<<=1;
for (int i=0;i<=limit;++i) s1[i]=s2[i]=s3[i]=s4[i]=s5[i]=s6[i]=s7[i]=0;
for (int i=0;i<=((x+1)>>1);++i) s1[i]=F[i],s2[i]=G[i],s3[i]=1ll*F[i]*i%mod,s4[i]=1ll*H[i]*i%mod,s5[i]=W[i],s6[i]=K[i],s7[i]=R[i];
NTT(limit,s1,1),NTT(limit,s2,1),NTT(limit,s3,1),NTT(limit,s4,1),NTT(limit,s5,1),NTT(limit,s6,1),NTT(limit,s7,1);
for (int i=0;i<=limit;++i) s8[i]=1ll*s1[i]*s2[i]%mod,s9[i]=1ll*s2[i]*s2[i]%mod,s10[i]=1ll*s3[i]*s5[i]%mod,s11[i]=1ll*s4[i]*s6[i]%mod,s12[i]=1ll*s6[i]*s7[i]%mod;
NTT(limit,s8,-1),NTT(limit,s9,-1),NTT(limit,s10,-1),NTT(limit,s11,-1),NTT(limit,s12,-1);
for (int i=((x+1)>>1)+1;i<=x;++i) Adder(F[i],s8[i]),Adder(G[i],s9[i]),Adder(H[i],s8[i]),Adder(W[i],s10[i]),Adder(K[i],s11[i]),Adder(R[i],s9[i]),Adder(S[i],s12[i]);
sz=((x+1)>>1),solve(((x+1)>>1)+1,x);
return;
}
int main()
{
fac[0]=1;
for (int i=1;i<=N;++i) fac[i]=1ll*fac[i-1]*i%mod;
invfac[N]=fast_pow(fac[N],mod-2);
for (int i=N-1;i>=0;--i) invfac[i]=1ll*invfac[i+1]*(i+1)%mod;
for (int i=1;i<=N;++i) inv[i]=1ll*fac[i-1]*invfac[i]%mod;
for (int i=2,w;i<=M;i<<=1)
{
num[i]=++length,w=fast_pow(g,(mod-1)/i);
for (int j=0,res=1;j<(i>>1);++j,res=1ll*res*w%mod) wn[num[i]][j]=res;
w=fast_pow(g,(mod-1)/i*(i-1));
for (int j=0,res=1;j<(i>>1);++j,res=1ll*res*w%mod) wn2[num[i]][j]=res;
}
n=read(),calc(n),W[0]=K[0]=1,printf("%lld\n",1ll*MD(F[n]+G[n])*fac[n]%mod);
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 97860kb
input:
1
output:
1
result:
ok 1 number(s): "1"
Test #2:
score: 0
Accepted
time: 7ms
memory: 122376kb
input:
3
output:
24
result:
ok 1 number(s): "24"
Test #3:
score: 0
Accepted
time: 12ms
memory: 132672kb
input:
5
output:
3190
result:
ok 1 number(s): "3190"
Test #4:
score: 0
Accepted
time: 4ms
memory: 132676kb
input:
100
output:
413875584
result:
ok 1 number(s): "413875584"
Test #5:
score: 0
Accepted
time: 3ms
memory: 91704kb
input:
1
output:
1
result:
ok 1 number(s): "1"
Test #6:
score: 0
Accepted
time: 8ms
memory: 118472kb
input:
2
output:
4
result:
ok 1 number(s): "4"
Test #7:
score: 0
Accepted
time: 4ms
memory: 120376kb
input:
3
output:
24
result:
ok 1 number(s): "24"
Test #8:
score: 0
Accepted
time: 7ms
memory: 132684kb
input:
4
output:
236
result:
ok 1 number(s): "236"
Test #9:
score: 0
Accepted
time: 3ms
memory: 130580kb
input:
5
output:
3190
result:
ok 1 number(s): "3190"
Test #10:
score: 0
Accepted
time: 7ms
memory: 130632kb
input:
6
output:
55182
result:
ok 1 number(s): "55182"
Test #11:
score: 0
Accepted
time: 8ms
memory: 132860kb
input:
7
output:
1165220
result:
ok 1 number(s): "1165220"
Test #12:
score: 0
Accepted
time: 7ms
memory: 130868kb
input:
8
output:
29013896
result:
ok 1 number(s): "29013896"
Test #13:
score: 0
Accepted
time: 8ms
memory: 132848kb
input:
9
output:
832517514
result:
ok 1 number(s): "832517514"
Test #14:
score: 0
Accepted
time: 8ms
memory: 132808kb
input:
10
output:
96547079
result:
ok 1 number(s): "96547079"
Test #15:
score: 0
Accepted
time: 9ms
memory: 132608kb
input:
11
output:
296100513
result:
ok 1 number(s): "296100513"
Test #16:
score: 0
Accepted
time: 11ms
memory: 130628kb
input:
12
output:
672446962
result:
ok 1 number(s): "672446962"
Test #17:
score: 0
Accepted
time: 12ms
memory: 132620kb
input:
13
output:
986909297
result:
ok 1 number(s): "986909297"
Test #18:
score: 0
Accepted
time: 3ms
memory: 130572kb
input:
14
output:
306542229
result:
ok 1 number(s): "306542229"
Test #19:
score: 0
Accepted
time: 4ms
memory: 132556kb
input:
15
output:
8548107
result:
ok 1 number(s): "8548107"
Test #20:
score: 0
Accepted
time: 3ms
memory: 130580kb
input:
16
output:
773960239
result:
ok 1 number(s): "773960239"
Test #21:
score: 0
Accepted
time: 7ms
memory: 130628kb
input:
17
output:
611627547
result:
ok 1 number(s): "611627547"
Test #22:
score: 0
Accepted
time: 7ms
memory: 130864kb
input:
18
output:
91793980
result:
ok 1 number(s): "91793980"
Test #23:
score: 0
Accepted
time: 8ms
memory: 130648kb
input:
19
output:
689202618
result:
ok 1 number(s): "689202618"
Test #24:
score: 0
Accepted
time: 4ms
memory: 132620kb
input:
20
output:
605957782
result:
ok 1 number(s): "605957782"
Test #25:
score: 0
Accepted
time: 55ms
memory: 132804kb
input:
10000
output:
713782215
result:
ok 1 number(s): "713782215"
Test #26:
score: 0
Accepted
time: 125ms
memory: 132708kb
input:
20000
output:
337916836
result:
ok 1 number(s): "337916836"
Test #27:
score: 0
Accepted
time: 247ms
memory: 132832kb
input:
30000
output:
580803285
result:
ok 1 number(s): "580803285"
Test #28:
score: 0
Accepted
time: 276ms
memory: 132984kb
input:
40000
output:
732660392
result:
ok 1 number(s): "732660392"
Test #29:
score: 0
Accepted
time: 528ms
memory: 133432kb
input:
50000
output:
660835595
result:
ok 1 number(s): "660835595"
Test #30:
score: 0
Accepted
time: 544ms
memory: 133784kb
input:
60000
output:
323452070
result:
ok 1 number(s): "323452070"
Test #31:
score: 0
Accepted
time: 614ms
memory: 133104kb
input:
70000
output:
307315915
result:
ok 1 number(s): "307315915"
Test #32:
score: 0
Accepted
time: 611ms
memory: 131336kb
input:
80000
output:
951757567
result:
ok 1 number(s): "951757567"
Test #33:
score: 0
Accepted
time: 1082ms
memory: 131692kb
input:
90000
output:
426123208
result:
ok 1 number(s): "426123208"
Test #34:
score: 0
Accepted
time: 1156ms
memory: 131608kb
input:
100000
output:
827418228
result:
ok 1 number(s): "827418228"
Test #35:
score: 0
Accepted
time: 1199ms
memory: 134428kb
input:
110000
output:
541614559
result:
ok 1 number(s): "541614559"
Test #36:
score: 0
Accepted
time: 1220ms
memory: 134156kb
input:
120000
output:
184688986
result:
ok 1 number(s): "184688986"
Test #37:
score: 0
Accepted
time: 1305ms
memory: 135600kb
input:
130000
output:
898089371
result:
ok 1 number(s): "898089371"
Test #38:
score: 0
Accepted
time: 1321ms
memory: 135120kb
input:
140000
output:
949540221
result:
ok 1 number(s): "949540221"
Test #39:
score: 0
Accepted
time: 1349ms
memory: 133876kb
input:
150000
output:
767689851
result:
ok 1 number(s): "767689851"
Test #40:
score: 0
Accepted
time: 1350ms
memory: 135372kb
input:
160000
output:
553494563
result:
ok 1 number(s): "553494563"
Test #41:
score: 0
Accepted
time: 1376ms
memory: 135832kb
input:
170000
output:
270711750
result:
ok 1 number(s): "270711750"
Test #42:
score: 0
Accepted
time: 2465ms
memory: 132756kb
input:
180000
output:
108155689
result:
ok 1 number(s): "108155689"
Test #43:
score: 0
Accepted
time: 2555ms
memory: 132656kb
input:
190000
output:
327542856
result:
ok 1 number(s): "327542856"
Test #44:
score: 0
Accepted
time: 2590ms
memory: 132824kb
input:
200000
output:
236144151
result:
ok 1 number(s): "236144151"
Test #45:
score: 0
Accepted
time: 2597ms
memory: 135752kb
input:
198798
output:
16935264
result:
ok 1 number(s): "16935264"
Extra Test:
score: 0
Extra Test Passed