QOJ.ac
QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #343275 | #8009. Growing Sequences | UESTC_GUEST_WIFI (Jinwei Yi, Chenghao Zhu, Cheng Wang)# | AC ✓ | 1ms | 3932kb | C++17 | 1.4kb | 2024-03-02 13:03:28 | 2024-03-02 13:03:29 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const int N=65;
const int mod=998244353;
int add(int x,int y){ return (x+=y)>=mod?x-mod:x; }
int sub(int x,int y){ return (x-=y)<0?x+mod:x; }
int n;
ll c;
int f[N*2+5],h[N*2+5];
int main(){
scanf("%d %lld",&n,&c);
c-=1ll<<n-1;
if(c<0){
puts("0");
return 0;
}
int lf=0;
f[0]=1;
for(int i=1;i<n;i++){
for(int j=0;j<=i;j++){
lf++;
for(int k=lf;k;k--)
f[k]=add(f[k],f[k-1]);
}
memcpy(h,f,sizeof h);
memset(f,0,sizeof f);
if(c&1){
for(int j=0;j*2+1<=lf;j++)
f[j]=h[j*2+1];
lf=(lf-1)/2;
}
else{
for(int j=0;j*2<=lf;j++)
f[j]=h[j*2];
lf>>=1;
}
c>>=1;
}
while(c){
for(int j=0;j<=n;j++){
lf++;
for(int k=lf;k;k--)
f[k]=add(f[k],f[k-1]);
}
memcpy(h,f,sizeof h);
memset(f,0,sizeof f);
if(c&1){
for(int j=0;j*2+1<=lf;j++)
f[j]=h[j*2+1];
lf=(lf-1)/2;
}
else{
for(int j=0;j*2<=lf;j++)
f[j]=h[j*2];
lf>>=1;
}
c>>=1;
}
printf("%d\n",f[0]);
return 0;
}
这程序好像有点Bug，我给组数据试试？
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3824kb
input:
1 5
output:
5
result:
ok answer is '5'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3924kb
input:
3 6
output:
4
result:
ok answer is '4'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3676kb
input:
15 179
output:
0
result:
ok answer is '0'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3932kb
input:
35 1234567887654321
output:
576695683
result:
ok answer is '576695683'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
45 228228228
output:
0
result:
ok answer is '0'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
60 576460752303423487
output:
0
result:
ok answer is '0'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
60 576460752303423488
output:
1
result:
ok answer is '1'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3932kb
input:
1 1000000000000000000
output:
716070898
result:
ok answer is '716070898'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3924kb
input:
1 1
output:
1
result:
ok answer is '1'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3800kb
input:
15 1
output:
0
result:
ok answer is '0'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
1 964573170374708959
output:
695628865
result:
ok answer is '695628865'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
2 336
output:
28224
result:
ok answer is '28224'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3928kb
input:
5 463
output:
172916212
result:
ok answer is '172916212'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
7 75427
output:
523581579
result:
ok answer is '523581579'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3752kb
input:
10 28166
output:
145818175
result:
ok answer is '145818175'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3852kb
input:
12 77890
output:
724302124
result:
ok answer is '724302124'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3844kb
input:
3 401245
output:
68076875
result:
ok answer is '68076875'
Test #18:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
8 511955
output:
109524351
result:
ok answer is '109524351'
Test #19:
score: 0
Accepted
time: 0ms
memory: 3928kb
input:
15 484969
output:
99426993
result:
ok answer is '99426993'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3692kb
input:
30 779369
output:
0
result:
ok answer is '0'
Test #21:
score: 0
Accepted
time: 0ms
memory: 3812kb
input:
17 638679755
output:
132031375
result:
ok answer is '132031375'
Test #22:
score: 0
Accepted
time: 0ms
memory: 3932kb
input:
25 669522429
output:
896585516
result:
ok answer is '896585516'
Test #23:
score: 0
Accepted
time: 0ms
memory: 3892kb
input:
29 748278478
output:
563047844
result:
ok answer is '563047844'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
33 642978862039931
output:
550967529
result:
ok answer is '550967529'
Test #25:
score: 0
Accepted
time: 0ms
memory: 3896kb
input:
38 218051542638139
output:
29411033
result:
ok answer is '29411033'
Test #26:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
44 188775063557057
output:
185410072
result:
ok answer is '185410072'
Test #27:
score: 0
Accepted
time: 1ms
memory: 3856kb
input:
48 4677253159871213
output:
863467586
result:
ok answer is '863467586'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3876kb
input:
22 854279883518523144
output:
916505804
result:
ok answer is '916505804'
Test #29:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
38 730620861826239715
output:
433138392
result:
ok answer is '433138392'
Test #30:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
54 435826341367976434
output:
237455633
result:
ok answer is '237455633'
Test #31:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
55 536518888651224157
output:
665085880
result:
ok answer is '665085880'
Test #32:
score: 0
Accepted
time: 0ms
memory: 3884kb
input:
56 413839394784728775
output:
647247529
result:
ok answer is '647247529'
Test #33:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
57 514531937773009201
output:
425329246
result:
ok answer is '425329246'
Test #34:
score: 0
Accepted
time: 0ms
memory: 3928kb
input:
58 391852448201481116
output:
522300883
result:
ok answer is '522300883'
Test #35:
score: 0
Accepted
time: 0ms
memory: 3932kb
input:
59 492544995484728838
output:
937899244
result:
ok answer is '937899244'
Test #36:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
60 693597573066212298
output:
490610488
result:
ok answer is '490610488'
Test #37:
score: 0
Accepted
time: 0ms
memory: 3892kb
input:
60 1000000000000000000
output:
13328531
result:
ok answer is '13328531'
Extra Test:
score: 0
Extra Test Passed