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 |
|---|---|---|---|---|---|---|---|---|---|
| #346317 | #7759. Permutation Counting 2 | yingxue_cat | 50 | 103ms | 29016kb | C++14 | 1.4kb | 2024-03-08 10:50:00 | 2024-03-08 10:50:01 |
Judging History
answer
#include<bits/stdc++.h>
#define il inline
using namespace std;
il long long read()
{
int xr=0,F=1; char cr;
while(cr=getchar(),cr<'0'||cr>'9') if(cr=='-') F=-1;
while(cr>='0'&&cr<='9')
xr=(xr<<3)+(xr<<1)+(cr^48),cr=getchar();
return xr*F;
}
const int N=41;
int n,mod;
int f[N][N][N][N][N];
il void add(int &x,int y) {x+=y;if(x>=mod) x-=mod;}
int main()
{
n=read(),mod=read();
f[1][1][1][0][0]=1;
for(int i=1;i<n;i++)
for(int j=1;j<=min(i,n-i+1);j++)
for(int id=1;id<=j;id++)
for(int x=0;x<i;x++)
for(int y=0;y<i;y++)
{
for(int nxt=1;nxt<=j+1;nxt++)
{
// cout<<i<<" "<<j<<" "<<nxt<<" "<<x<<" "<<y<<" "<<f[i][j][id][x][y]<<endl;
if(nxt!=1&&nxt!=j+1&&j>=2) //merge
{
add(f[i+1][j-1][nxt-1][x+1][y+(nxt>id)],f[i][j][id][x][y]);
}
add(f[i+1][j+1][nxt][x][y+(nxt>id)],f[i][j][id][x][y]);
if(nxt!=j+1) add(f[i+1][j][nxt][x][y+(nxt>id)],f[i][j][id][x][y]);
if(nxt!=1) add(f[i+1][j][nxt-1][x+1][y+(nxt>id)],f[i][j][id][x][y]);
}
}
for(int x=0;x<n;x++,printf("\n"))
for(int y=0;y<n;y++)
printf("%d ",f[n][1][1][x][y]);
return 0;
}
/*
3 1000000007
*/
詳細信息
Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 1ms
memory: 6140kb
input:
7 1001458121
output:
1 0 0 0 0 0 0 0 56 56 8 0 0 0 0 56 659 440 36 0 0 0 8 440 1520 440 8 0 0 0 36 440 659 56 0 0 0 0 8 56 56 0 0 0 0 0 0 0 1
result:
ok 49 tokens
Test #2:
score: 0
Accepted
time: 1ms
memory: 6112kb
input:
8 1008735209
output:
1 0 0 0 0 0 0 0 0 84 126 36 1 0 0 0 0 126 1773 1980 405 9 0 0 0 36 1980 8436 4761 405 1 0 0 1 405 4761 8436 1980 36 0 0 0 9 405 1980 1773 126 0 0 0 0 1 36 126 84 0 0 0 0 0 0 0 0 1
result:
ok 64 tokens
Subtask #2:
score: 15
Accepted
Test #3:
score: 15
Accepted
time: 2ms
memory: 7044kb
input:
14 1000253273
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 455 3003 6435 5005 1365 105 1 0 0 0 0 0 0 0 3003 112905 730665 1629435 1456560 529956 71940 2835 15 0 0 0 0 0 6435 730665 10865585 46433475 75169560 50184540 13633740 1349931 36735 120 0 0 0 0 5005 1629435 46433475 336576825 860578230 885230850 375891370 62035485 33...
result:
ok 196 tokens
Test #4:
score: 0
Accepted
time: 0ms
memory: 7284kb
input:
15 1009800301
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 560 4368 11440 11440 4368 560 16 0 0 0 0 0 0 0 0 4368 188682 1482416 4160120 4899264 2511376 536384 41328 800 1 0 0 0 0 0 11440 1482416 26232784 139089120 291102560 265085216 106311200 17712368 1048560 15232 16 0 0 0 0 11440 4160120 139089120 216926039 947184153 3...
result:
ok 225 tokens
Test #5:
score: 0
Accepted
time: 0ms
memory: 7536kb
input:
16 1006729121
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 680 6188 19448 24310 12376 2380 136 1 0 0 0 0 0 0 0 0 6188 305150 2867696 9916066 14924539 10288876 3196000 410329 17748 153 0 0 0 0 0 0 19448 2867696 59852036 387206263 15304436 216863763 683915984 173666645 18275272 650641 4828 1 0 0 0 0 24310 9916066 38720626...
result:
ok 256 tokens
Subtask #3:
score: 25
Accepted
Test #6:
score: 25
Accepted
time: 54ms
memory: 22968kb
input:
36 1003299797
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7770 435897 10295472 124403620 854992152 552567909 334501587 855871755 616535351 836177106 87288018 849183199 348330136 38608020 2324784 66045 666 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 435897 133844910 939232742 752696285 94...
result:
ok 1296 tokens
Test #7:
score: 0
Accepted
time: 64ms
memory: 24452kb
input:
37 1009736899
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8436 501942 12620256 163011640 193585389 366265801 325233075 508510208 4472335 508510208 325233075 366265801 193585389 163011640 12620256 501942 8436 38 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 501942 164674938 380061172 7953...
result:
ok 1369 tokens
Test #8:
score: 0
Accepted
time: 72ms
memory: 25804kb
input:
38 1002064493
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9139 575757 15380937 211915132 673991551 105909500 89228335 917893160 782878886 231145424 634874749 53537001 904603957 635745396 61523748 3262623 82251 741 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 575757 201514950 2661126...
result:
ok 1444 tokens
Test #9:
score: 0
Accepted
time: 93ms
memory: 27320kb
input:
39 1000696681
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9880 658008 18643560 273438880 310408078 24862708 197477816 671070872 191143189 191143189 671070872 197477816 24862708 310408078 273438880 18643560 658008 9880 40 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 658008 24533645...
result:
ok 1521 tokens
Test #10:
score: 0
Accepted
time: 103ms
memory: 29016kb
input:
40 1002813283
output:
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10660 749398 22481940 350343565 151022119 572250549 255038067 159674717 979042431 374977376 547170717 790491840 141687815 878961939 118286125 95548245 4496388 101270 820 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7493...
result:
ok 1600 tokens
Subtask #4:
score: 0
Runtime Error
Test #11:
score: 0
Runtime Error
input:
96 1005401729
output:
result:
Subtask #5:
score: 0
Runtime Error
Test #16:
score: 0
Runtime Error
input:
496 1005266363