QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#273277 | #7886. Not Another Eulerian Number Problem | RainningLove | AC ✓ | 810ms | 3856kb | C++20 | 1.3kb | 2023-12-02 22:44:32 | 2023-12-02 22:44:32 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
using namespace std;
int n,m,a,n0;
int B[20];
vector<int> p,b;
long long A[20];
long long qm(long long a,long long b) {
long long ans=1;
while(b) {
if(b&1)ans=ans*a;
a=a*a;
b>>=1;
}
return ans;
}
int check() {
vector<int> arr;
queue<int> q;
for(int i=1;i<=n0*a;i++) {
q.push(B[i]);
}
int c=0;
for(int i=0;i<p.size();i++) {
arr.push_back(b[p[i]]);
if(!q.empty() && q.front()==b[p[i]])q.pop();
}
for(int i=0;i+1<p.size();i++) {
if(i+1<p.size() && arr[i]>arr[i+1])c++;
}
if(!q.empty() || c!=m)return 0;
vector<int> cnt(11,0);
set<int> st;
for(int i=0;i<arr.size();i++) {
cnt[arr[i]]++;
st.insert(arr[i]);
if(cnt[arr[i]]==a)st.erase(arr[i]);
if(st.upper_bound(arr[i])!=st.end())return 0;
}
return 1;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
cin>>a>>n>>m>>n0;
for(int i=1;i<=a*n0;i++) {
cin>>B[i];
}
A[0]=1;
for(int i=1;i<=10;i++)A[i]=A[i-1]*i;
for(int i=0;i<n*a;i++) {
p.push_back(i);
}
for(int i=1;i<=n;i++) {
for(int j=1;j<=a;j++) {
b.push_back(i);
}
}
long long ans=0;
do {
if(check())ans++;
}while(next_permutation(p.begin(),p.end()));
ans/=qm(A[a],n);
cout<<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: 3564kb
input:
1 4 2 2 2 1
output:
7
result:
ok 1 number(s): "7"
Test #2:
score: 0
Accepted
time: 6ms
memory: 3668kb
input:
2 4 2 2 1 2 2 1
output:
19
result:
ok 1 number(s): "19"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3508kb
input:
1 1 0 1 1
output:
1
result:
ok 1 number(s): "1"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3780kb
input:
3 1 0 1 1 1 1
output:
1
result:
ok 1 number(s): "1"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
4 1 0 1 1 1 1 1
output:
1
result:
ok 1 number(s): "1"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
5 1 0 1 1 1 1 1 1
output:
1
result:
ok 1 number(s): "1"
Test #7:
score: 0
Accepted
time: 810ms
memory: 3632kb
input:
10 1 0 1 1 1 1 1 1 1 1 1 1 1
output:
1
result:
ok 1 number(s): "1"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3512kb
input:
1 3 2 1 1
output:
1
result:
ok 1 number(s): "1"
Test #9:
score: 0
Accepted
time: 57ms
memory: 3560kb
input:
3 3 2 3 2 2 2 3 3 3 1 1 1
output:
0
result:
ok 1 number(s): "0"
Test #10:
score: 0
Accepted
time: 57ms
memory: 3624kb
input:
3 3 2 2 1 1 2 2 2 1
output:
5
result:
ok 1 number(s): "5"
Test #11:
score: 0
Accepted
time: 61ms
memory: 3564kb
input:
3 3 2 1 1 1 1
output:
15
result:
ok 1 number(s): "15"
Test #12:
score: 0
Accepted
time: 56ms
memory: 3508kb
input:
3 3 1 2 2 2 2 1 1 1
output:
2
result:
ok 1 number(s): "2"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3852kb
input:
1 4 0 4 4 2 1 3
output:
0
result:
ok 1 number(s): "0"
Test #14:
score: 0
Accepted
time: 6ms
memory: 3556kb
input:
2 4 1 4 1 4 4 3 3 2 2 1
output:
0
result:
ok 1 number(s): "0"
Test #15:
score: 0
Accepted
time: 7ms
memory: 3668kb
input:
2 4 2 4 1 3 3 2 2 4 4 1
output:
1
result:
ok 1 number(s): "1"
Test #16:
score: 0
Accepted
time: 6ms
memory: 3560kb
input:
2 4 2 1 1 1
output:
58
result:
ok 1 number(s): "58"
Test #17:
score: 0
Accepted
time: 3ms
memory: 3624kb
input:
2 4 1 2 1 1 2 2
output:
14
result:
ok 1 number(s): "14"
Test #18:
score: 0
Accepted
time: 5ms
memory: 3624kb
input:
1 8 7 3 2 1 3
output:
0
result:
ok 1 number(s): "0"
Test #19:
score: 0
Accepted
time: 5ms
memory: 3624kb
input:
1 8 0 4 1 2 3 4
output:
1
result:
ok 1 number(s): "1"
Test #20:
score: 0
Accepted
time: 3ms
memory: 3632kb
input:
1 8 4 4 4 3 1 2
output:
771
result:
ok 1 number(s): "771"
Test #21:
score: 0
Accepted
time: 6ms
memory: 3664kb
input:
1 8 1 4 4 3 2 1
output:
0
result:
ok 1 number(s): "0"
Test #22:
score: 0
Accepted
time: 5ms
memory: 3828kb
input:
1 8 7 1 1
output:
1
result:
ok 1 number(s): "1"
Test #23:
score: 0
Accepted
time: 55ms
memory: 3600kb
input:
1 9 2 5 4 3 1 5 2
output:
0
result:
ok 1 number(s): "0"
Test #24:
score: 0
Accepted
time: 57ms
memory: 3564kb
input:
1 9 7 8 6 5 8 3 4 7 2 1
output:
0
result:
ok 1 number(s): "0"
Test #25:
score: 0
Accepted
time: 56ms
memory: 3848kb
input:
1 9 7 7 5 3 2 4 7 6 1
output:
0
result:
ok 1 number(s): "0"
Test #26:
score: 0
Accepted
time: 54ms
memory: 3844kb
input:
1 9 7 6 2 1 3 5 6 4
output:
0
result:
ok 1 number(s): "0"
Test #27:
score: 0
Accepted
time: 58ms
memory: 3560kb
input:
1 9 3 3 1 2 3
output:
20420
result:
ok 1 number(s): "20420"
Test #28:
score: 0
Accepted
time: 574ms
memory: 3504kb
input:
1 10 0 10 5 6 10 1 3 2 4 7 8 9
output:
0
result:
ok 1 number(s): "0"
Test #29:
score: 0
Accepted
time: 527ms
memory: 3780kb
input:
1 10 7 2 2 1
output:
30973
result:
ok 1 number(s): "30973"
Test #30:
score: 0
Accepted
time: 566ms
memory: 3856kb
input:
1 10 1 6 6 3 5 2 4 1
output:
0
result:
ok 1 number(s): "0"
Test #31:
score: 0
Accepted
time: 517ms
memory: 3824kb
input:
1 10 2 1 1
output:
47840
result:
ok 1 number(s): "47840"
Test #32:
score: 0
Accepted
time: 687ms
memory: 3604kb
input:
1 10 5 2 2 1
output:
689155
result:
ok 1 number(s): "689155"
Extra Test:
score: 0
Extra Test Passed