QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #276624 | #7875. Queue Sorting | Bob_Wang | AC ✓ | 259ms | 5592kb | C++14 | 1014b | 2023-12-06 01:00:46 | 2023-12-06 01:00:46 |
Judging History
answer
#include<cstdio>
#define ll long long
#define maxn 505
using namespace std;
const ll mod=998244353;
int n,m;
int cnt[maxn],a[maxn];
ll dp[2][maxn][maxn];
int main()
{
scanf("%d",&n);
for(int i=1;i<=n;++i)
{
scanf("%d",&cnt[i]);
for(int j=1;j<=cnt[i];++j)
a[++m]=i;
}
dp[0][0][0]=1;
for(int i=1;i<=m;++i)
{
int nw=(i&1);
int lst=nw^1;
for(int j=0;j<i;++j)
for(int k=0;k<i;++k)
dp[nw][j][i]=(dp[nw][j][i]+dp[lst][j][k])%mod;
if(a[i]!=a[i-1])
{
for(int j=0;j<i;++j)
{
for(int k=0;k<j;++k)
{
dp[nw][j][j]=(dp[nw][j][j]+dp[lst][k][k])%mod;
dp[nw][j][j]=(dp[nw][j][j]+dp[lst][k][i-1])%mod;
}
}
}
else
{
for(int j=0;j<i;++j)
for(int k=0;k<j;++k)
dp[nw][j][j]=(dp[nw][j][j]+dp[lst][k][k])%mod;
}
for(int j=0;j<=i;++j)
for(int k=0;k<=i;++k)
dp[lst][j][k]=0;
}
ll ans=0;
for(int i=0;i<=m;++i)
for(int j=0;j<=m;++j)
ans=(ans+dp[m&1][i][j])%mod;
printf("%lld",ans);
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: 0ms
memory: 1580kb
input:
4 1 1 1 1
output:
14
result:
ok 1 number(s): "14"
Test #2:
score: 0
Accepted
time: 247ms
memory: 5572kb
input:
300 0 5 2 2 1 0 3 2 2 5 2 1 1 2 1 3 2 3 2 0 0 0 0 1 2 2 3 0 2 2 3 2 0 2 3 0 6 0 0 2 0 1 3 2 1 1 1 3 4 0 1 0 4 1 1 1 1 1 1 2 3 2 1 2 3 2 3 0 5 3 3 2 0 1 1 0 2 1 1 2 0 0 2 1 1 3 2 2 1 2 1 3 0 3 0 1 2 2 0 5 0 2 2 0 0 0 1 2 1 4 2 1 1 0 3 0 2 0 3 1 1 2 0 2 1 1 0 2 0 1 2 2 3 3 1 1 1 1 0 1 3 3 1 0 2 2 4 2 ...
output:
507010274
result:
ok 1 number(s): "507010274"
Test #3:
score: 0
Accepted
time: 259ms
memory: 5572kb
input:
500 1 1 0 2 1 0 2 3 2 0 0 2 0 2 1 1 0 0 1 1 1 2 1 1 1 0 1 1 2 2 1 4 0 2 1 0 2 3 1 0 1 1 0 2 1 2 2 1 0 0 3 1 4 1 1 2 1 1 0 1 3 1 2 0 0 0 2 1 2 0 0 3 2 1 1 1 1 1 2 1 0 1 0 0 0 1 0 0 2 1 1 0 1 0 1 0 1 0 0 1 0 1 1 0 0 0 1 0 0 0 2 1 1 0 1 1 0 1 1 0 0 1 0 3 1 3 0 0 2 0 0 1 1 0 0 0 0 0 1 0 0 0 0 0 1 2 0 0 ...
output:
7590964
result:
ok 1 number(s): "7590964"
Test #4:
score: 0
Accepted
time: 234ms
memory: 5436kb
input:
200 3 1 0 3 2 1 0 3 1 1 2 3 3 1 6 2 1 3 2 1 1 2 1 2 1 5 2 2 3 4 0 4 2 1 2 2 0 2 3 1 2 3 6 3 2 3 2 2 4 2 7 2 1 5 1 9 0 4 4 8 3 3 3 1 3 0 2 2 8 1 3 5 4 3 0 6 1 6 1 3 4 2 2 1 1 4 4 4 1 0 4 3 4 3 3 0 3 2 0 0 3 4 0 3 1 3 2 4 3 2 0 3 2 2 3 2 2 2 1 2 2 1 0 2 0 3 1 3 5 1 3 3 6 5 3 2 2 2 3 6 2 0 5 2 2 2 2 1 ...
output:
507844569
result:
ok 1 number(s): "507844569"
Test #5:
score: 0
Accepted
time: 51ms
memory: 4004kb
input:
100 4 8 2 5 4 4 3 0 2 7 2 3 4 4 1 2 3 4 4 4 3 3 3 3 3 2 4 1 3 5 5 1 4 6 1 1 1 3 2 3 2 1 0 1 4 4 2 4 2 5 3 5 1 6 2 3 3 1 4 4 4 1 4 4 3 4 2 0 2 3 6 1 3 3 5 4 1 1 2 3 0 3 2 2 1 3 3 2 5 6 3 2 3 3 5 4 2 3 4 4
output:
989550242
result:
ok 1 number(s): "989550242"
Test #6:
score: 0
Accepted
time: 0ms
memory: 1624kb
input:
1 1
output:
1
result:
ok 1 number(s): "1"
Test #7:
score: 0
Accepted
time: 0ms
memory: 1628kb
input:
500 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 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 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 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 ...
output:
1
result:
ok 1 number(s): "1"
Test #8:
score: 0
Accepted
time: 0ms
memory: 1768kb
input:
10 2 1 3 3 2 3 1 1 3 1
output:
165452340
result:
ok 1 number(s): "165452340"
Test #9:
score: 0
Accepted
time: 0ms
memory: 1636kb
input:
20 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0
output:
2
result:
ok 1 number(s): "2"
Test #10:
score: 0
Accepted
time: 0ms
memory: 1648kb
input:
20 0 0 1 0 0 0 0 1 0 0 0 0 0 0 2 0 1 0 0 0
output:
28
result:
ok 1 number(s): "28"
Test #11:
score: 0
Accepted
time: 0ms
memory: 1556kb
input:
10 1 1 1 1 1 1 1 1 1 1
output:
16796
result:
ok 1 number(s): "16796"
Test #12:
score: 0
Accepted
time: 60ms
memory: 4024kb
input:
300 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
output:
431279497
result:
ok 1 number(s): "431279497"
Test #13:
score: 0
Accepted
time: 207ms
memory: 5576kb
input:
2 232 268
output:
929717758
result:
ok 1 number(s): "929717758"
Test #14:
score: 0
Accepted
time: 214ms
memory: 5588kb
input:
1 500
output:
1
result:
ok 1 number(s): "1"
Test #15:
score: 0
Accepted
time: 206ms
memory: 5592kb
input:
3 155 180 165
output:
911108550
result:
ok 1 number(s): "911108550"
Extra Test:
score: 0
Extra Test Passed